WO2012114381A1 - 地図表示装置、ナビゲーション装置および地図表示方法 - Google Patents
地図表示装置、ナビゲーション装置および地図表示方法 Download PDFInfo
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- WO2012114381A1 WO2012114381A1 PCT/JP2011/001064 JP2011001064W WO2012114381A1 WO 2012114381 A1 WO2012114381 A1 WO 2012114381A1 JP 2011001064 W JP2011001064 W JP 2011001064W WO 2012114381 A1 WO2012114381 A1 WO 2012114381A1
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- cruising
- energy consumption
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- energy
- mobile body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3469—Fuel consumption; Energy use; Emission aspects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3697—Output of additional, non-guidance related information, e.g. low fuel level
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/34—Cabin temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/62—Vehicle position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/10—Driver interactions by alarm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/12—Driver interactions by confirmation, e.g. of the input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2250/00—Driver interactions
- B60L2250/16—Driver interactions by display
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/52—Control modes by future state prediction drive range estimation, e.g. of estimation of available travel distance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
- B60L2260/54—Energy consumption estimation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a map display device that displays a map in consideration of energy consumption of a moving body, a navigation device including the map display device, and a map display method.
- a map display device that is mounted on a moving body such as an automobile, detects the current position of the vehicle by GPS or the like, and displays the position together with a road map on a display is used.
- a technology that displays the range in which the mobile body can travel with the current energy remaining amount or the energy supply required for traveling of the mobile body together with the map display is used. ing.
- the map display device disclosed in Patent Document 1 when the battery of the drive motor is charged, the remaining amount of the moving body is charged when the battery is charged for a plurality of types of time in consideration of the remaining amount of the battery. The travelable range is calculated and displayed on the display.
- the fuel supply station that can be reached under low-consumption driving conditions is used as a driver.
- the driving conditions of the vehicle are controlled so that the driver can reach the desired fuel supply station.
- Patent Documents 1 and 2 described above only the remaining amount of battery or the remaining amount of fuel is considered, and the energy consumption of devices (for example, an air conditioner, a wiper, and a headlight) that the moving body uses during traveling is considered. Not. Therefore, there has been a problem that it is not possible to dynamically notify the user of the travelable range that varies depending on the energy consumption of the equipment used.
- the present invention has been made to solve the above-described problems, and provides a map display device that dynamically notifies a user by changing a cruising range dynamically in accordance with energy consumption of equipment used when traveling on a moving body.
- the purpose is to obtain.
- a map display device includes a position information acquisition unit that acquires a current position of a mobile body, a map data storage unit that stores map data, and a residual energy that drives the mobile body and a device mounted on the mobile body.
- the energy remaining amount acquisition unit that acquires the amount, the moving energy consumption rate that is the energy consumption per unit time required for moving the mobile body, and the energy consumption per unit time that is required to drive the device mounted on the mobile body Using the driving energy consumption rate that is, the cruising range calculation unit that calculates the range that the mobile body can reach with the remaining energy acquired by the remaining energy acquisition unit, and the map data in the map data storage unit, And an output control unit that displays on the map a range that can be reached by the movable body calculated by the cruising range calculation unit.
- map display in which the cruising range is dynamically changed according to the energy consumption of the equipment used during traveling of the moving body.
- FIG. 3 is a block diagram illustrating a configuration of a control unit of the map display device according to the first embodiment.
- 3 is a block diagram illustrating a configuration of a cruising range calculation unit of the map display device according to Embodiment 1.
- FIG. It is a figure which shows the example of operation of the map display apparatus by Embodiment 1, and its display screen. It is a figure which shows the example of a display of the cruising range of the map display apparatus by Embodiment 1.
- FIG. 3 is a flowchart showing the operation of the map display device according to the first embodiment. It is a block diagram which shows the structure of the cruising range calculation part of the map display apparatus by Embodiment 2.
- FIG. 10 is a flowchart showing the operation of the map display device according to the second embodiment. It is a block diagram which shows a different structure of the cruising range calculation part of the map display apparatus by Embodiment 2.
- FIG. It is a flowchart which shows different operation
- FIG. It is a figure which shows the example of a display from which the cruising range of the map display apparatus by Embodiment 2 differs.
- 10 is a block diagram illustrating a configuration of a cruising range calculation unit of a map display device according to Embodiment 3.
- FIG. 10 is a flowchart illustrating the operation of the map display device according to the fourth embodiment. It is a figure which shows the example of a display of the cruising range of the map display apparatus by Embodiment 4.
- FIG. It is a figure which shows the example of a display from which the cruising range of the map display apparatus by Embodiment 4 differs.
- It is a block diagram which shows the structure of the cruising range calculation part of the map display apparatus by Embodiment 5.
- FIG. 10 is a flowchart showing the operation of the map display device according to the fifth embodiment. It is a figure which shows the display control of the map display apparatus by Embodiment 6.
- FIG. 20 is a flowchart showing the operation of the map display device according to the sixth embodiment.
- 18 is a flowchart showing different operations of the map display device according to the sixth embodiment. It is a block diagram which shows the structure of the navigation apparatus which has the function of Embodiment 1-6.
- FIG. 1 is a block diagram showing the configuration of the map display device according to the first embodiment.
- the map display apparatus 10 of Embodiment 1 includes a control unit 1, a position information acquisition unit 2, a map data storage unit 3, a user input unit 4, a remaining energy acquisition unit 5, an energy consumption rate acquisition unit 6, An audio output unit 7, a display unit 8, and a communication unit 9 are provided.
- this map display device 10 can be applied to various moving objects, a case where it is applied to a vehicle will be described below as an example.
- the control unit 1 is usually composed of a CPU, memory, etc. as an embedded system.
- the position information acquisition unit 2 acquires own vehicle position information based on GPS information input from an external device (not shown), vehicle speed information, and various driving information such as a steering angle.
- the map data storage unit 3 stores map data for the navigation system.
- the user input unit 4 includes, for example, a rotary switch, a button, a microphone, and the like, and accepts an operation input and a voice input by the user.
- the user input unit 4 can be realized by a soft key in addition to a hard key.
- the operation input or voice input is for instructing temperature setting or volume setting for an air conditioner or audio, for example.
- a device whose power consumption is increased or decreased by a user operation such as an air conditioner or audio in the host vehicle
- a power consuming device examples include heaters, wipers, wireless equipment, cigars, external equipment connections, entertainment equipment (DVD and Blu-ray video playback equipment) in the back seat of the vehicle, its screen, room lights, cruise control settings, etc. It is done.
- the energy remaining amount acquisition unit 5 calculates the remaining amount of retained energy that covers the energy required for driving the host vehicle and the energy used by the power consuming device.
- the energy consumption rate acquisition unit 6 acquires an energy consumption per unit time (hereinafter referred to as a kinetic energy consumption rate) by driving the host vehicle and using a power consuming device.
- the voice output unit 7 notifies the user of various information generated by the control unit 1 by voice. Further, a warning sound is output according to a control instruction from the control unit 1 as necessary.
- the display unit 8 displays various information generated by the control unit 1 in addition to the map information.
- the communication unit 9 communicates with an external device via an in-vehicle network (not shown) or an external network (not shown).
- FIG. 2 is a block diagram showing a detailed configuration of the control unit 1 in FIG.
- the control unit 1 includes a host vehicle position calculation unit 11, an input analysis unit 12, a cruising range calculation unit 13, an output control unit 14, and a map panel unit 15.
- the own vehicle position calculation unit 11 performs map matching between the own vehicle position information input from the position information acquisition unit 2 and the map data obtained from the map data storage unit 3, and calculates the own vehicle position on the map.
- the input analysis unit 12 analyzes input data input via the user input unit 4.
- the cruising range calculation unit 13 includes vehicle position information input from the vehicle position calculation unit 11, map data obtained from the map data storage unit 3, energy remaining amount of the vehicle obtained from the energy remaining amount acquisition unit 5, And the range which can be navigated is calculated from the movement energy consumption rate obtained from the consumption energy rate acquisition unit 6.
- the output control unit 14 performs display control of the cruising range calculated by the cruising range calculation unit 13.
- the display control controls the screen display on the display unit 8 and the output of the audio signal in the audio output unit 7.
- the display unit 8 and the audio output unit 7 are controlled when a warning is displayed on the display unit 8 and a voice warning in accordance with the warning is given.
- the map panel unit 15 accumulates data for displaying the map data, the vehicle position, and the cruising range on the display unit 8.
- FIG. 3 is a block diagram showing the configuration of the cruising range calculation unit in FIG.
- the cruising range calculation unit 13 includes a traveling efficiency storage unit 21, a cruising range calculation unit 22, and a cruising range calculation unit 23.
- the travel efficiency storage unit 21 stores travel efficiency during road travel for each type of road such as an expressway, a national road, or a general road. Further, a correspondence table between the vehicle traveling speed and the travel energy consumption rate is held in advance, and a correspondence table between the travel speed of the vehicle and the travel energy consumption rate and a constant of the distance that can be traveled by the travel energy consumption rate are retained.
- the correspondence table between the traveling speed of the vehicle and the kinetic energy consumption rate may be configured to be automatically updated from the traveling record of the own vehicle.
- the cruising distance calculation unit 22 calculates the distance that the host vehicle can travel from the remaining energy amount obtained from the remaining energy acquisition unit 5 and the consumed energy amount per unit time of the own vehicle obtained from the consumed energy rate acquisition unit 6. calculate.
- the cruising area calculation unit 23 calculates an area in which the host vehicle can travel based on the cruising range calculated by the cruising range calculation unit 22.
- FIG. 4 is a diagram illustrating a display example of the map display device according to the first embodiment, and illustrates an example in which the display content is changed following the volume operation of an audio device that is a power consuming device.
- an ellipse A indicating the cruising range displayed on the map of the display unit 8 following these operations is automatically displayed.
- the vehicle position O is displayed at a reduced or enlarged size.
- the cruising range A1 is displayed on the display unit 8 following these operations.
- the rotary switch 4a is turned to the position “2” or the button 4b is pressed twice, the cruising range A2 is displayed, and the rotary switch 4a is turned to the position “3” or the button 4b is turned three times.
- the cruising range A3 is displayed.
- the audio device is operated in the direction of increasing the volume, the power consumption is increased and the cruising range A is reduced.
- FIG. 4 shows an example in which the cruising range A1 to A3 is displayed as an ellipse centered on the vehicle position O.
- the display of the cruising range A is not limited to an ellipse, as shown in FIG. Even if the distance that can be traveled by the own vehicle calculated by the cruising distance calculation unit 22 centered on the own vehicle position O (the cruising range D, details of the calculation method will be described later) is displayed in a circle with a radius. Good.
- FIG. 6 is a flowchart showing the operation of the cruising range calculation unit of the map display device according to the first embodiment.
- the process for calculating the cruising range will be mainly described along the flowchart of FIG.
- the input analysis unit 12 analyzes the operation input information of the user input unit 4, and uses the communication unit 9 to determine whether or not the setting of the power consuming device has been changed. Received from the acquisition unit 6 (step ST1). If it is determined in step ST1 that the setting of the power consuming device has not been changed, the process returns to step ST1 and waits.
- step ST1 if it is determined in step ST1 that the setting of the power consuming device has been changed, the cruising range calculation unit 22 of the cruising range calculation unit 13 acquires the remaining energy Er from the remaining energy acquisition unit 5. Then, the energy consumption rate Ec is acquired from the energy consumption rate acquisition unit 6 (step ST3).
- Ec is the sum of the energy consumption per unit time of driving of the host vehicle and all the power consuming devices, and is calculated based on the following equation (1).
- Ec0 is the energy consumption per unit time (travel energy consumption) related to the traveling of the host vehicle
- the driving energy consumption rate of the power consuming device may be acquired directly from the power consuming device, or a table indicating the relationship between the setting of the power consuming device and the driving energy consumption rate at the time of the setting is held in advance. You may acquire from the said table.
- the cruising range calculation unit 22 acquires a constant d for the distance that can be navigated at the kinetic energy consumption rate Ec0 related to traveling of the host vehicle from the traveling efficiency storage unit 21 (step ST4).
- the constant d is a function of the road gradient and the traveling speed.
- the constant d will be described as a constant value as a simple method.
- the cruising range calculation unit 22 calculates the cruising range D that can be crushed while using the power consuming device based on the following equation (2) (step ST5).
- D d ⁇ (Er / Ec) (2) (Er / Ec) in the above formula (2) is obtained by dividing the remaining energy Er by the energy consumption rate Ec, and represents the cruising time under the current power consumption conditions.
- the cruising area calculation unit 23 travels from the cruising range D calculated in step ST5 based on the vehicle position information input from the vehicle position calculation unit 11 and the map data acquired from the map data storage unit 3.
- the possible range A is calculated (step ST6).
- the cruising range A calculated in step ST6 is output to the output control unit 14 (step ST7).
- the flowchart returns to the process of step ST1 and repeats the process described above.
- the cruising range A is calculated and displayed on the map data every time a change in the power consuming device is detected (see FIG. 4), so the cruising range is determined according to the energy consumption rate Ec of the host vehicle. It is possible to notify the user by changing A dynamically.
- FIG. 4 the energy consumption rate Ec of the host vehicle. It is possible to notify the user by changing A dynamically.
- the cruising range calculation unit 13 refers to the analysis information from the input analysis unit 12 and determines whether the setting of the power consuming device has been changed via the user input unit 4. good. At this time, in FIG. 3, information from the input analysis unit 12 is input to the cruising range calculation unit 22.
- the cruising range calculation unit 22 that calculates the cruising range D in consideration of the energy consumption (driving energy consumption rate) per unit time of the power consuming device is provided. Since it comprised as mentioned above, the cruising range which reflected the setting of the power consumption apparatus can be displayed.
- the cruising range calculation unit 22 calculates the energy consumption rate Ec in consideration of the energy consumption rate amount (driving energy consumption rate) per unit time required for driving the power consuming device. Since it comprised as mentioned above, the cruising range which reflected the setting of the power consumption apparatus can be displayed.
- the transmissible range is displayed when the power consuming device is operated, and the transmissible range is erased after a certain time when the operation is finished.
- the display may be changed so as to be inconspicuous, for example, by reducing the color.
- FIG. 7 is a block diagram showing the configuration of the map display device according to the second embodiment.
- the map display device 10 according to the second embodiment has the configuration described with reference to FIGS. 1 to 3 in the first embodiment, and the cruising range calculation unit 13 calculates the cruising range calculation unit 22.
- a cruising point calculation unit 24 that obtains a cruising point from the cruising range D is provided.
- the same or corresponding parts as those of the map display device 10 according to the first embodiment are denoted by the same reference numerals as those used in the first embodiment, and the description thereof is omitted or simplified.
- the cruising point calculation unit 24 calculates the cruising point p from the cruising range D based on the own vehicle position information input from the own vehicle position calculation unit 11 and the map data acquired from the map data storage unit 3.
- the cruising area calculation unit 23 calculates the cruising range A from the cruising point p.
- the cruising range A may be a route to the cruising point p or may be within a range obtained by connecting a plurality of cruising points p with line segments.
- FIG. 8 shows a display example of the map display device according to the second embodiment.
- FIG. 8A shows a route that travels from the vehicle position to the cruising points p1, p2, p3, and p4 along the main road as a cruising range A in a tree diagram.
- the range is narrower than the cruising range A of FIG. 5 shown in the first embodiment.
- FIG. 8B a range in which the cruising points p1, p2, p3, and p4 are connected by a straight line is displayed as a cruising range A.
- FIG. 9 is a flowchart showing the operation of the map display device according to the second embodiment.
- steps that perform the same processing as the processing shown in FIG. 6 of the first embodiment are denoted by the same reference numerals as those used in FIG. 6, and description thereof is omitted or simplified.
- the cruising range calculation unit 22 calculates the cruising range D in step ST5
- the cruising range calculation unit 24 acquires the vehicle position information input from the vehicle position calculation unit 11 and the map data storage unit 3.
- a cruising point p (p1, p2,..., Pn) is calculated from the cruising range D calculated in step ST5 (step ST11).
- the cruising area calculation unit 23 calculates the cruising range A from the cruising point p calculated in step ST11 (step ST12), and outputs it to the output control unit 14 (step ST7).
- the cruising range A may be a tree diagram showing the route to the cruising point p shown in FIG. 8A, or the cruising point shown in FIG. 8B. It is good also as the range which connected by a straight line. Thus, by calculating the cruising point, it is possible to present the cruising range A with higher accuracy based on the cruising range D.
- FIG. 10 is a block diagram showing a configuration for calculating a cruising point in consideration of an automobile exclusive road in the map display device according to the second embodiment.
- FIG. 11 is a flowchart showing a cruising range display operation in consideration of the traveling efficiency of a general road and an automobile exclusive road in the map display device according to the second embodiment.
- the cruising range calculation unit 22 calculates the cruising range D in step ST5
- the cruising range calculation unit 24 acquires the vehicle position information input from the vehicle position calculation unit 11 and the map data storage unit 3.
- the distance information of the route along the main road is acquired from the own vehicle position on the map data (step ST21), and the distance of the route along the acquired main road does not exceed the cruising distance D, A point q that is closest to the cruising distance D is calculated (step ST22).
- the cruising point calculation unit 24 determines whether or not an automobile road is included in at least a part of the route from the vehicle position to the point q (step ST23). If it is determined in step ST23 that no automobile exclusive road is included, the point q calculated in step ST22 is output to the navigable area calculation unit 23 as the navigable point p (step ST24). Thereafter, the cruising point calculation unit 24 determines whether or not the cruising point p is calculated for all the main roads (step ST25), and the cruising point p is not calculated for all the main roads in step ST25. Is determined, the process returns to step ST21 and the above-described processing is repeated.
- the reachable area calculation unit 23 calculates the reachable range A from the calculated reachable point p (step (ST26), it outputs to the output control part 14 (step ST7).
- the cruising range calculation unit 22 acquires the driving efficiency ratio d_ratio between the exclusive road and the general road from the driving efficiency acquisition unit 21. (Step ST27).
- the cruising range calculation unit 22 calculates a new value obtained by multiplying the distance passing through the automobile exclusive road among the routes determined to include the automobile exclusive road in step ST23 by the travel efficiency ratio d_ratio based on the following equation (4).
- step ST29 a point q ′ whose route distance does not exceed the cruising distance D ′ and is closest to D ′ is calculated (step ST29). It is determined whether or not the point q ′ calculated in step ST29 is located on the car road (step ST30). If it is determined in step ST30 that the point q ′ is not located on the motorway, the point q ′ is set as the cruising point p (step ST31). On the other hand, if it is determined in step ST30 that the point q ′ is located on the exclusive road, it is possible to continue the parking / stopping point closest to the point q ′ located between the own vehicle position and the point q ′. The point p is set (step ST32). When the process of step ST31 or step ST32 is performed, the flowchart proceeds to the process of step ST25.
- step ST32 when the vehicle flows into the exclusive road, the cruising point p is set on the general road in consideration of the parking and stopping points, or the interchange, the service area, the parking area, etc. on the exclusive road. It may be set to a point where parking and stopping is possible.
- FIG. 12 shows a display example in consideration of the traveling efficiency of a general road and a motor vehicle exclusive road.
- the motor vehicle exclusive road will be described as an expressway.
- FIG. 12 (a) shows a tree shape of a route that travels from the vehicle position O to the cruising points p1, p2, p4, p5, and p6 along the main road in consideration of the driving efficiency ratio d_ratio between the highway and the ordinary road. It is displayed as a cruising range A in the figure.
- the cruising points p1, p2, and p4 exist on the general road and are the same as the points shown in FIG.
- the point p6 in FIG. 12A is located on the expressway and is not a legally stopable point such as an interchange or a service area
- the point p6 is excluded from the cruising range A and displayed.
- the case is shown in FIG.
- the cruising possible point p5 is included in the cruising range A because it is a route that passes through the general road from the interchange.
- FIG. 12C if there is a service area (SA2) that can be parked and stopped on the expressway from the interchange to the cruising point p6, the point of the service area (SA2) is cruising point p6 ′. Is included in the cruising range A.
- SA2 service area
- the cruising range P is calculated from the cruising range D and the cruising range A in the form of a tree diagram showing the route to the cruising range P, or the cruising point Since the region connecting P is set as the cruising range A, the cruising range with high accuracy based on the cruising range D can be calculated.
- the travel efficiency storage unit 21 that stores the travel efficiency is provided, and the cruising range D is calculated in consideration of the travel efficiency.
- the reflected cruising range can be calculated.
- the cruising point p when the own vehicle is traveling on a motorway, and the cruising point p is on the motorway, the cruising point p is set as a parking and stopping point. Since it is configured to set, it is possible to calculate the cruising range legally using the parking and stopping points.
- FIG. 13 is a block diagram illustrating a configuration of a cruising range calculation unit of the map display device according to the third embodiment.
- the cruising range calculation unit 13 of the third embodiment has the configuration described with reference to FIG. 3 in the first embodiment, and further includes a sunshine information acquisition unit 25 that acquires the sunset time and the sunrise time. Yes.
- the same or corresponding parts as those of the map display device 10 according to the first embodiment are denoted by the same reference numerals as those used in the first embodiment, and the description thereof is omitted or simplified.
- the sunshine information acquisition unit 25 has, for example, the sunshine database shown in FIG. 14, acquires the sunset time or sunrise time at the current vehicle position with reference to the sunshine database, and the time from the current time to sunset. H1 or time H2 from the current time to dawn is calculated.
- FIG. 14A shows a sunset time table, in which the sunset time in a predetermined area is described for each date.
- FIG. 14B shows a sunrise time table, in which the sunrise time of a predetermined area is described for each date.
- the sunset time or sunrise time at the current vehicle position may be acquired via the communication unit 9 via the network.
- the cruising range calculation unit 22 calculates the energy consumption rate considering the turning on or off of the headlight based on the time H1 from the current time to sunset input from the sunshine information acquisition unit 25 or the time H2 from the current time to dawn.
- the cruising range D is calculated by using this. First, the case where the current time is before sunset, the headlights are turned on after the sunset time during the cruising, and the energy consumption per unit time increases will be described. In this case, the sunshine information acquisition unit 25 outputs the time H 1 from the current time to sunset to the cruising range calculation unit 22.
- the cruising range calculation unit 22 calculates the cruising range D that can be crushed when the headlight is turned on after H1 time, based on the following equation (5).
- (Er ⁇ Ec ⁇ H1) represents the remaining energy after running for H1 hours.
- Ec_headlight is the energy consumption per unit time that increases when the headlight is turned on, and (Ec + Ec_headlight) represents the energy consumption per unit time after H1 time.
- Ec_headlight of the headlight By adding the energy consumption rate Ec_headlight of the headlight to the energy consumption rate Ec when the headlight is turned off (that is, not including the power consumption of the headlight), the energy consumption rate when the headlight is turned on after sunset is calculated.
- the cruising range D when cruising is impossible before sunset (within H1 hour), that is, when Er ⁇ Ec ⁇ H1 ⁇ 0, is calculated based on the equation (2) shown in the first embodiment. Is done.
- the sunshine information acquisition unit 25 outputs the time H2 from the current time to dawn to the cruising distance calculation unit 22.
- the cruising range calculation unit 22 calculates the cruising range D that can be crushed when the headlight is turned off after H2 hours, based on the following equation (6).
- D d ⁇ H2 + d ⁇ (Er ⁇ Ec ⁇ H2) / (Ec ⁇ Ec_headlight) (6)
- the above formula (6) is applied when the cruising is possible after dawn, that is, when Er ⁇ Ec ⁇ H2> 0.
- (Er ⁇ Ec ⁇ H2) represents the remaining energy after running for H2 hours.
- Ec_headlight is an energy consumption rate that decreases when the headlight is turned off, and (Ec-Ec_headlight) represents an energy consumption rate after H2 hours.
- the energy consumption rate Ec_headlight of the headlight is expressed. Note that the cruising range D when cruising is impossible after sunrise (within H2 hours), that is, when Er ⁇ Ec ⁇ H2 ⁇ 0, is calculated based on the equation (2) shown in the first embodiment.
- the cruising area calculation unit 23 is capable of cruising based on the vehicle position information input from the vehicle position calculation unit 11 and the map data acquired from the map data storage unit 3 as in the first embodiment.
- the cruising range A is calculated from the cruising range D calculated by the distance calculation unit 22.
- the sunshine information acquisition unit 25 has a sunshine database and calculates the time from the current time to sunset (H1) or the time from the current time to dawn (H2).
- a cruising distance calculation unit 22 that calculates a cruising distance D using an energy consumption rate that considers turning on or off of the headlight based on the time from the current time to sunset or the time from the current time to dawn. Since it comprises so that it can be provided, the cruising range according to the energy consumption rate which changes dynamically according to lighting or extinction of a headlight can be shown.
- Embodiment 4 FIG.
- a service area with an interchange or energy supply facility that can be reached by the user turning on the power consuming device or setting the power level to strong / high while driving on a motor vehicle.
- a configuration is shown in which a warning is given to the user by changing the display of the reachable range displayed on the display unit 8 when the parking area becomes unreachable.
- the map display device 10 according to the fourth embodiment is the same as the configuration described in the first embodiment with reference to FIGS. 1 and 2 and the second embodiment with reference to FIG. 7 or FIG. In the following description, the same reference numerals as those used in the first and second embodiments are used.
- step ST5 steps that perform the same processing as the processing shown in FIG. 6 of the first embodiment are denoted by the same reference numerals as those used in FIG. 6, and description thereof is omitted or simplified.
- the cruising range calculation unit 22 calculates the cruising range D in step ST5
- the cruising range calculation unit 24 acquires the vehicle position information input from the vehicle position calculation unit 11 and the map data storage unit 3.
- a point r that is a cruising distance D along the exclusive road for the vehicle is calculated (step ST41).
- the cruising point calculation unit 24 calculates a parking / stopping point R closest to the point r, which is located between the vehicle position and the point r (step ST42), and calculates from the vehicle position to the parking / stopping point R.
- the cruising range A is calculated (step ST43).
- the calculated cruising range A is output to the output control unit 14 together with the map data.
- the output control unit 14 refers to the map data and determines whether or not there is an energy supply facility on the route to the parking and stopping point R within the cruising range A (step T44). If it is determined in step ST44 that there is an energy supply facility on the route to the parking and stopping point R, the cruising range A together with the energy supply facility display mark is displayed as a map (step ST45). On the other hand, when it is determined in step ST44 that there is no energy supply facility on the route to the parking and stopping point R, the cruising range A is displayed on the map and the display of the cruising range A is changed. A warning is displayed to the effect that the energy supply facility cannot be reached (step ST46). Thereafter, the flowchart returns to the process of step ST1 and repeats the above-described process.
- FIG. 16 shows a display example of a warning based on the cruising range A corresponding to the set level of the power consuming device and the presence or absence of the energy supply facility.
- FIG. 16 shows a map display screen of the display unit 8 when the setting level of the power consuming device is changed in three stages.
- FIG. 16A shows a display example when the setting level of the power consuming device is set to “1” by the dial 4 a or the button 4 b which is the user input unit 4.
- the parking and stopping point R calculated by the cruising point calculation unit 24 is a service area (hereinafter referred to as “SA”) 1, and charging facilities are SA1 and SA1 on the route to this SA1. It exists in two locations of SA2. Therefore, the display unit 8 displays the cruising range A1 from the vehicle position O to SA1 and the charging facility display marks in SA1 and SA2. In this case, a warning for changing the display of the cruising range A1 is not performed because the charging facility exists up to the parking and stopping point R.
- SA service area
- FIG. 16B shows a display example when the setting level of the power consuming device is set to “2” by the dial 4a or the button 4b.
- the parking and stopping possible point R calculated by the cruising possible point calculation unit 24 is SA2, and the charging facility exists in one location of SA2 on the route to SA2. Therefore, the display unit 8 displays the cruising range A2 from the vehicle position O to SA2 and the display mark of the charging facility in SA2. In this case, a warning for changing the display color of the cruising range A2 is not performed because the charging facility exists up to the parking and stopping point R.
- FIG. 16C shows a display example when the setting level of the power consuming device is set to “3” by the dial 4a or the button 4b.
- the parking / parking possible point R calculated by the cruising point calculation unit 24 is SA3, and there is no charging facility on the route to this SA3. Therefore, the display unit 8 displays the cruising range A3 from the own vehicle position O to SA3, and changes the display color of the cruising range A3 to, for example, red, or blinks the area to reach the charging facility. Warn that it is possible. Thereby, the user can recognize that the charging facility is unreachable when the power consumption device is used at the setting level 3 and traveling is continued.
- the cruising range A1 may be three-dimensionally displayed in a cylindrical shape.
- the cruising range A may be displayed in a conical shape with the own vehicle position O as a vertex.
- the conical shape protrudes most at the own vehicle position O, and the height of the conical shape decreases as the distance from the own vehicle position O increases. That is, the protruding height at a certain point corresponds to the remaining energy of the host vehicle. That is, the user can recognize the decrease in the remaining energy due to traveling from this conical shape.
- an area other than the cruising range A may be displayed translucently.
- a point r that is a cruising distance D away from the own vehicle position along the exclusive road is calculated, and a point r located between the own vehicle position and the point r is calculated.
- Embodiment 4 described above the case where the vehicle is traveling on a motorway has been described as an example. However, the present invention may be applied to traveling on a general road.
- the configuration of the fourth embodiment described above may be provided in addition to the map display device 10 shown in the third embodiment.
- a route that travels on a daily basis is stored as a tour route, and a route that can be traveled and a route that cannot be traveled are separated from the cruising range D calculated by the cruising range calculation unit 22.
- FIGS. 18 and 19 are block diagrams showing the structure of the map display device according to the fifth embodiment.
- the map display device 10 according to the fifth embodiment has the configuration described with reference to FIG. 1 to FIG. 3 in the first embodiment, and further stores a traveling route memory in which the route that the control unit 1 travels on a daily basis is stored. A portion 16 is provided.
- the same or corresponding parts as those of the map display device 10 according to the first embodiment are denoted by the same reference numerals as those used in the first embodiment, and the description thereof is omitted or simplified.
- the traveling route storage unit 16 stores in advance the traveling route input via the user input unit 4, the distance of the traveling route, and the like. When a mode for determining traveling on a traveling route is selected via the user input unit 4, the stored traveling route and its distance are output to the output control unit 14. Further, the cruising range calculation unit 13 estimates the power consumption device to be used based on the temperature, weather, current time, or the like that is input via the user input unit 4 or acquired via the network via the communication unit 9. To do.
- the cruising range calculation unit 13 has a driving energy consumption rate of the power consuming device in advance as a database, and energy per unit time required to drive the power consuming device estimated to be used with reference to the database. A consumption amount (hereinafter referred to as an estimated driving energy consumption rate) is calculated.
- the cruising range calculation unit 22 includes the remaining energy Er obtained from the remaining energy acquisition unit 5, the estimated driving energy consumption rate of the power consuming device estimated by the cruising range calculation unit 13, and the consumed energy.
- the cruising range D is calculated from the kinetic energy consumption rate related to the travel of the host vehicle acquired from the rate acquisition unit 6.
- the calculated cruising distance D is output to the output control unit 14 via the cruising area calculation unit 23.
- the output control unit 14 compares the traveling route distance input from the traveling route storage unit 16 with the cruising distance D, and determines whether traveling on the traveling route is possible. When the distance of the tour route is equal to or shorter than the cruising distance D, it is determined that the route can be returned to the departure point, and the display of the tour route is displayed in the same manner as a normal route. On the contrary, when the distance of the tour route is longer than the cruising distance D, it is determined that the route cannot be returned to the departure point, and display control for displaying the tour route with a warning (displayed with a dotted line or red) is performed.
- a warning displayed with a dotted line or red
- FIG. 20 is a diagram showing a display example of a patrol route of the map display device according to the fifth embodiment.
- the remaining energy of the host vehicle is 100%
- three tour routes 1, 2, and 3 that can be navigated are stored in the tour route storage unit 16, and the current remaining energy of the host vehicle is 70%.
- the traveling route 3 is displayed with a dotted line, and the user is warned that the traveling route 3 cannot return to the departure point.
- the cruising range calculation unit 13 calculates the current position of the host vehicle calculated from the host vehicle position information, and the current position at the current position.
- An estimated driving energy consumption rate of the power consuming device estimated to be used from the external condition is acquired (step ST52).
- the cruising range calculation unit 22 receives the remaining energy Er acquired from the remaining energy acquisition unit 5, the estimated driving energy consumption rate of the power consuming device estimated to be used acquired in step ST52, and the consumed energy rate acquisition unit 6.
- the cruising range D is estimated from the travel energy consumption rate related to the travel of the host vehicle to be acquired (step ST53), and is output to the output control unit 14 via the cruising range calculation unit 23.
- the output control unit 14 acquires the traveling route and the distance of the traveling route from the traveling route storage unit 16 (step ST54), and determines whether the distance of the traveling route is longer than the cruising distance D (step ST55). .
- step ST55 When it is determined in step ST55 that the distance of the tour route is longer than the cruising distance D, display control for displaying the tour route with a warning is performed (step ST56). On the other hand, when it is determined in step ST56 that the distance of the cyclic route is equal to or shorter than the cruising distance D, control is performed to display the cyclic route in the same manner as a normal route (step ST57). Thereafter, the output control unit 14 determines whether or not display control has been performed for all the cyclic routes (step ST58), and when the determination is made for all of the circular routes, the processing ends. On the other hand, if the determination is not made for all the traveling routes, the process returns to step ST55 and the above-described processing is repeated.
- the traveling route is stored when the traveling route storage unit 16 that stores the traveling route in advance and when the traveling route distance is longer than the estimated traveling distance D are estimated. Since it is configured to include the output control unit 14 that performs a warning display indicating that it is impossible, the presentable remaining energy and the path that can be visited according to the power consuming device that is estimated to be used are presented to the user Can do. Thus, the user can easily select a route that can be reliably visited.
- the traveling route can be traveled based on the estimated driving energy consumption rate of the power consuming device that is estimated to be used based on external conditions such as temperature, weather, and time. Therefore, it is possible to make a more accurate traveling determination in accordance with external conditions during traveling.
- FIG. 22 shows an example in which the display speed of the cruising range A is changed following the operation speed of the user input unit 4.
- the cruising range A is changed in accordance with the operation of the user input unit 4 (for example, turning a dial or pressing a button). Adjust the speed.
- the rotation speed of the dial 4a is shown in FIG. 22B.
- the moving speed is 0
- the speed is increased toward the setting level 2 and the dial 4a rotates, and the moving speed decreases near the setting level 2 (time T1).
- the dial 4a rotates at an increased speed toward the setting level 3, and the moving speed decreases near the setting level 3 (time T3).
- the setting level 3 is reached, the moving speed becomes 0 and the rotation of the dial 4a stops. To do.
- the display speed of the cruising range A is also changed in the same manner as the speed change in FIG.
- the time from the time T0 of the cruising range A1 The speed is increased to T1 to decrease the region, and the decrease in the cruising range stops from time T1 to time T2, which is the outermost periphery of the cruising range A2.
- the speed is increased again from the time T2 in the cruising range A2 to the time T3 to decrease the region, and when the time T3 that is the outermost periphery of the cruising range A3 is reached, the change stops.
- the visibility of the map display is improved by performing the display control following the operation feeling of the user input unit 4.
- a configuration may be provided in which the change in the cruising range A is temporarily stopped even at a dominant point on the map display such as the destination of the host vehicle. As a result, the user can more easily recognize the dominant point in the map display.
- FIG. 23 (a) the display mark of the charging facility which is an energy supply facility and each setting of the air conditioner The cruising range A corresponding to the temperature is displayed.
- FIG. 23 (b) the display mark of the charging facility which is an energy supply facility and each setting of the air conditioner The cruising range A corresponding to the temperature is displayed.
- the charging facility is at least within the cruising range A (27 degrees), A (28 degrees), and A (29 degrees). Since there is one place, the cruising range A (27 degrees), A (28 degrees) and A (29 degrees) are displayed in blue, for example.
- the cruising range A (26 degrees) of the set temperature 26 is set to, for example, a red indicating a warning.
- the message “Recommended temperature 27 ° C or higher is recommended” is displayed as a message to the user, and it is proposed that the temperature setting of the air conditioner be 27 ° C or higher. Thereby, the user confirms the displayed cruising range A, warning display or display message, and determines the set temperature of the air conditioner.
- Step ST61 the driving energy consumption rate at each preset temperature of the air conditioner held in advance is output to the cruising range calculation unit 22.
- the cruising range calculation unit 22 calculates the driving energy consumption rate at each set temperature of the air conditioner input in step ST62, the remaining energy Er acquired from the remaining energy acquisition unit 5, and the own energy acquired from the consumed energy rate acquisition unit 6.
- the cruising distance D at each set temperature of the air conditioner is calculated (step ST63).
- the cruising area calculation unit 23 calculates a cruising range A based on the cruising distance D calculated in step ST63 (step ST64).
- the calculated cruising range A is output to the output control unit 14 together with the map data.
- the output control unit 14 refers to the map data to extract the energy supply facility (step ST65), and determines whether there is an energy supply facility that can be reached in the cruising range A corresponding to each set temperature of the air conditioner. Is performed (step ST66). If it is determined in step ST66 that the energy supply facility exists within the cruising range A corresponding to the set temperature of the air conditioner, the cruising range A is displayed together with the display mark of the energy supply facility (step ST67). On the other hand, when it is determined in step ST66 that there is no energy supply facility in the cruising range A corresponding to the set temperature of the air conditioner, the cruising range A is displayed as a warning (step ST68).
- step ST69 determines whether or not the processing of step ST66 has been performed for all the air conditioner set temperatures.
- step ST69 determines whether or not the processing of step ST66 has been performed for all the air conditioner set temperatures.
- step ST70 determines whether or not the processing has been performed for all the air conditioner set temperatures.
- the cruising range calculation unit 13 has a drive energy consumption rate corresponding to each set temperature in advance as a database.
- the cruising range calculation unit 22 may have the database.
- step ST70 after calculating and displaying the recommended air conditioner set temperature in step ST70, the output control unit 14 is controlled by the vehicle control unit (not shown) via the communication unit 9.
- the set temperature of the air conditioner is acquired, and it is determined whether or not it is possible to reach the nearest energy supply facility from the current position at the set temperature (step ST71). If it is determined in step ST71 that it cannot be reached, the recommended air conditioner set temperature calculated in step ST70 is output as a control instruction to the vehicle control unit via the communication unit 9 (step ST72). On the other hand, if it is determined in step ST71 that it is reachable, the process is terminated without controlling the air conditioner.
- the vehicle control unit to which the control instruction is input in step ST72 sets the set temperature of the air conditioner to a recommended temperature. Thereby, the air conditioner can be automatically controlled to a recommended temperature.
- a warning is displayed for the set temperature at which the energy supply facility closest to the current position cannot be reached, and the recommended air conditioner set temperature can be notified to the user. Furthermore, it becomes possible to automatically control the set temperature of the air conditioner to a temperature that can reach the energy supply facility. Furthermore, the present invention is not limited to the air conditioner, and can be configured to automatically control the setting of the power consuming device that does not affect the traveling of the host vehicle according to the determination result of whether the energy supply facility can be reached. When automatic control is performed, a configuration may be adopted in which the user is notified that automatic control has been performed, such as canceling the warning display.
- the output control unit 14 is configured to perform display control of the cruising range A following the operation feeling of the user input unit 4.
- the operation and the cruising range A can be displayed in association with each other. Thereby, the user can easily recognize the change in the cruising range A due to the setting of the power consuming device.
- the cruising range calculation unit 13 calculates the cruising range A corresponding to each set temperature of the air conditioner, and the output control unit 14 within the cruising range A at each set temperature of the air conditioner. It is determined whether there is an energy supply facility, and if it does not exist, the cruising range A is displayed as a warning and the recommended air conditioner set temperature is notified. The temperature can be easily recognized. Note that even a power consuming device other than an air conditioner can notify a recommended setting, and the same effect can be obtained.
- the recommended set temperature of the air conditioner is output as a control instruction to the vehicle control unit via the communication unit 9, and the air conditioner is set to the recommended temperature via the vehicle control unit. Since it comprised as mentioned above, it can control automatically to the preset temperature which the own vehicle can reach
- the present invention can be applied to a moving body driven by various energies such as an electric car, a hybrid car, and a gasoline car.
- various energies include electricity, gasoline, natural gas, and alcohol. Therefore, the energy supply facility can also be configured as a facility for supplying these various types of energy. Note that the type of the moving body and the type of energy are not limited to those described above, and can be configured with appropriate changes.
- the present invention has been described by taking an example of displaying a map in two dimensions, the map may be displayed in three dimensions. Further, the display method may be changed according to the display contents, such as displaying the map in two dimensions and displaying the cruising range in three dimensions. Further, three-dimensional stereoscopic display may be applied.
- the configuration described in the first to sixth embodiments may be applied to a navigation device.
- the configuration of the map display device shown in the first to sixth embodiments includes a route guidance unit 31 having a route guidance function, a route guidance function, and a location function, and a POI (Point of Interest).
- a search unit 32 having a search function and the like can be provided, and a map display function can be added to the display unit 8 ′ to configure the navigation device 30.
- the configuration for displaying an accurate map is shown.
- the present invention is not limited to this.
- a deformed map display may be performed.
- the so-called display audio may have a map database display function and a GPS function so as to realize the configuration shown in the first to sixth embodiments.
- the configuration shown in the first to sixth embodiments described above may be realized on an in-vehicle monitor device having a map database and a GPS function.
- the map display device can be used in a navigation device or the like that is mounted on a mobile object and displays the cruising range of the mobile object in accordance with the map display.
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Abstract
Description
実施の形態1.
図1は、実施の形態1による地図表示装置の構成を示すブロック図である。図1において、実施の形態1の地図表示装置10は、制御部1、位置情報取得部2、地図データ格納部3、ユーザ入力部4、エネルギー残量取得部5、消費エネルギー率取得部6、音声出力部7、表示部8および通信部9を備える。この地図表示装置10は種々の移動体に適用することができるが、以下では車両に適用した場合を例に説明する。
自車位置計算部11は、位置情報取得部2から入力される自車位置情報と、地図データ格納部3から得られる地図データとをマップマッチングし、地図上の自車位置を算出する。入力解析部12は、ユーザ入力部4を介して入力される入力データの解析を行う。航続可能範囲計算部13は、自車位置計算部11から入力される自車位置情報、地図データ格納部3から得られる地図データ、エネルギー残量取得部5から得られる自車両のエネルギー残量、および消費エネルギー率取得部6から得られる移動エネルギー消費率から航続可能な範囲を計算する。
航続可能範囲計算部13は、走行効率記憶部21、航続可能距離計算部22、および航続可能エリア計算部23で構成されている。
走行効率記憶部21は、高速道路、国道あるいは一般道路などの道路種別毎に道路走行時の走行効率を記憶している。さらに車両の走行速度と移動エネルギー消費率の対応表を予め保有しており、車両の走行速度と移動エネルギー消費率の対応表および移動エネルギー消費率で航続可能な距離の定数を保有している。この車両の走行速度と移動エネルギー消費率の対応表は、自車の走行記録から自動的に更新するように構成してもよい。
ユーザがユーザ入力部4であるオーディオ機器のロータリースイッチ4aを回す、あるいはボタン4bを押下すると、これらの操作に追随して表示部8の地図上に表示された航続可能範囲を示す楕円Aが自車位置Oを中心として縮小あるいは拡大して表示される。具体的には、ロータリースイッチ4aを「1」の位置に回す、あるいはボタン4bを1回押下すると、これらの操作に追随して表示部8に航続可能範囲A1が表示される。同様に、ロータリースイッチ4aを「2」の位置に回す、あるいはボタン4bを2回押下すると、航続可能範囲A2が表示され、ロータリースイッチ4aを「3」の位置に回す、あるいはボタン4bを3回押下すると、航続可能範囲A3が表示される。このように、オーディオ機器の音量を上げる方向に操作されると、消費電力が増加し、航続可能範囲Aの範囲が縮小される。
航続可能範囲計算部13は、入力解析部12がユーザ入力部4の操作入力情報を解析し、電力消費機器の設定が変更されたか否かの判定情報を、通信部9を介して消費エネルギー率取得部6から受け取る(ステップST1)。ステップST1において、電力消費機器の設定は変更されていないと判定された場合には、ステップST1の処理に戻り待機する。一方、ステップST1において、電力消費機器の設定が変更されたと判定された場合には、航続可能範囲計算部13の航続可能距離計算部22は、エネルギー残量取得部5からエネルギー残量Erを取得し(ステップST2)、消費エネルギー率取得部6からエネルギー消費率Ecを取得する(ステップST3)。
Ec=Ec0+ΣEci(i=1~n)・・・式(1)
なお、Ec0は自車両の走行に関わる単位時間当たりのエネルギー消費量(移動エネルギー消費量)、Eci(i=1~n)は電力消費機器の駆動に要する単位時間当たりのエネルギー消費量(以下、駆動エネルギー消費率と称する)、nは自車両に搭載されている電力消費機器の数を示している。ここで、電力消費機器の駆動エネルギー消費率は、電力消費機器から直接取得してもよいし、電力消費機器の設定と当該設定時の駆動エネルギー消費率との関係を示すテーブルをあらかじめ保有し、当該テーブルから取得してもよい。
D=d×(Er/Ec) ・・・式(2)
上記式(2)における(Er/Ec)は、エネルギー残量Erをエネルギー消費率Ecで除したものであり、現在の電力消費の条件で航続走行可能な時間を表わしている。現在の電力消費の条件で航続走行可能な時間(Er/Ec)に定数dを乗じることにより、Dは現在の電力消費の条件で航続可能距離となる。なお、上記式(2)は簡略的な計算式としているが、航続可能距離Dの精度を向上させるためにより詳細な条件での計算式としてもよい。
なお、図2において航続可能範囲計算部13は、入力解析部12からの解析情報を参照してユーザ入力部4を介して電力消費機器の設定が変更されたか否か判定を行う構成にしても良い。このとき、図3においては入力解析部12の情報は航続可能距離計算部22に入力される。
この実施の形態2では、上記実施の形態1で示した航続可能距離Dに基づいて自車位置から主要道路に沿った航続可能地点を算出する構成を示す。
図7は、実施の形態2による地図表示装置の構成を示すブロック図である。この実施の形態2による地図表示装置10は、上記実施の形態1で図1から図3を用いて説明した構成を有し、さらに航続可能範囲計算部13が、航続可能距離計算部22が算出する航続可能距離Dから航続可能な地点を求める航続可能地点計算部24を有している。なお以下では、実施の形態1による地図表示装置10の構成要素と同一または相当する部分には、実施の形態1で使用した符号と同一の符号を付して説明を省略または簡略化する。
図9は、実施の形態2による地図表示装置の動作を示すフローチャートである。なお以下では、実施の形態1の図6で示した処理と同一の処理を行うステップには図6で使用した符号と同一の符号を付し、説明を省略または簡略化する。
航続可能距離計算部22がステップST5で航続可能距離Dを算出すると、航続可能地点計算部24は、自車位置計算部11から入力される自車位置情報、および地図データ格納部3から取得する地図データに基づいて、ステップST5で算出された航続可能距離Dから航続可能地点p(p1,p2,・・・,pn)を算出する(ステップST11)。航続可能エリア計算部23は、ステップST11で算出された航続可能地点pから航続可能範囲Aを算出し(ステップST12)、出力制御部14に出力する(ステップST7)。
図10は、実施の形態2による地図表示装置において、自動車専用道を考慮して航続可能地点を算出する構成を示すブロック図である。上述した図7と同一の構成を有し、さらに航続可能地点計算部24が算出した航続可能地点pまでの経路の少なくとも一部に自動車専用道が含まれる場合に、走行効率記憶部21から自動車専用道と一般道の走行効率比d_ratioを取得し、当該走行効率比d_ratioを考慮した航続可能地点p´を再度算出する。
航続可能距離計算部22がステップST5で航続可能距離Dを算出すると、航続可能地点計算部24は、自車位置計算部11から入力される自車位置情報、および地図データ格納部3から取得する地図データに基づいて、地図データ上の自車位置から主要道路に沿った経路の距離情報を取得し(ステップST21)、取得した主要道路に沿った経路の距離が航続可能距離Dを越えず、且つ航続可能距離Dに最も近い値となる地点qを算出する(ステップST22)。
d_ratio=(自動車専用道走行での走行効率)/(一般道路走行での走行効率d)・・・式(3)
航続可能距離D´=一般道路の経路の距離D_ippan+d_ratio自動車専用道の経路の距離D_senyou・・・式(4)
図13は、実施の形態3による地図表示装置の航続可能範囲計算部の構成を示すブロック図である。この実施の形態3の航続可能範囲計算部13は、上記実施の形態1で図3を用いて説明した構成を有し、さらに日の入り時刻および日の出時刻を取得する日照情報取得部25を有している。なお以下では、実施の形態1による地図表示装置10の構成要素と同一または相当する部分には、実施の形態1で使用した符号と同一の符号を付して説明を省略または簡略化する。
まず、現在時刻が日没前であり、航続中に日の入り時刻を過ぎてヘッドライトを点灯し、単位時間当たりのエネルギー消費量が増加する場合について説明する。この場合、日照情報取得部25は現在時刻から日没までの時間H1を航続可能距離計算部22に出力する。航続可能距離計算部22は、以下の式(5)に基づいてH1時間後にヘッドライトを点灯した場合に航続できる航続可能距離Dを算出する。
D=d×H1+d×(Er-Ec×H1)/(Ec+Ec_headlight)・・・式(5)
ただし、上記式(5)は日没後に航続可能である場合、すなわちEr-Ec×H1>0の場合に適用される。
なお、日没前(H1時間以内)に航続ができなくなる場合、すなわちEr-Ec×H1≦0の場合の航続可能距離Dは、上記実施の形態1で示した式(2)に基づいて算出される。
D=d×H2+d×(Er-Ec×H2)/(Ec-Ec_headlight)・・・式(6)
ただし、上記式(6)は夜明け後に航続可能である場合、すなわちEr-Ec×H2>0の場合に適用される。
なお、日の出後(H2時間以内)に航続ができなくなる場合、すなわちEr-Ec×H2≦0の場合の航続可能距離Dは、上記実施の形態1で示した式(2)に基づいて算出される。
この実施の形態4では、自動車専用道走行中にユーザが電力消費機器の電源をONするあるいはレベルを強/大に設定したことにより、到達可能であったインターチェンジあるいはエネルギー供給設備のあるサービスエリアやパーキングエリアに到達不可能となった場合に、表示部8に表示している到達可能範囲の表示を変化させてユーザに警告を発する構成を示す。なお、実施の形態4の地図表示装置10は上述した実施の形態1で図1および図2、実施の形態2で図7あるいは図10を用いて説明した構成と同一であるため説明を省略し、実施の形態1および実施の形態2で使用した符号と同一の符号を付して説明を行う。
航続可能距離計算部22がステップST5で航続可能距離Dを算出すると、航続可能地点計算部24は、自車位置計算部11から入力される自車位置情報、および地図データ格納部3から取得する地図データに基づいて、自車位置から自動車専用道に沿って航続可能距離D離れた地点rを算出する(ステップST41)。さらに航続可能地点計算部24は、自車位置と地点rの間に位置する、地点rに最も近い駐停車可能地点Rを算出し(ステップST42)、自車位置から駐停車可能地点Rまでを航続可能範囲Aとして算出する(ステップST43)。算出された航続可能範囲Aは地図データと共に出力制御部14に出力される。
図16(a)は、ユーザ入力部4であるダイヤル4aあるいはボタン4bにより電力消費機器の設定レベルを「1」に設定した場合の表示例を示している。設定レベル「1」の場合、航続可能地点計算部24において算出された駐停車可能地点Rはサービスエリア(以下、SAと記載する)1であり、このSA1までの経路上に充電設備がSA1およびSA2の2箇所に存在する。そのため、表示部8には自車位置OからSA1までの航続可能範囲A1とSA1およびSA2に充電設備の表示マークとを表示する。この場合、駐停車可能地点Rまでに充電設備が存在することから航続可能範囲A1の表示を変化させる警告は行わない。
この実施の形態5では、日常的に走行するルートを巡回経路として記憶させておき、航続可能距離計算部22が算出する航続可能距離Dから走行可能なルートと走行不可能なルートとを分けて表示する構成を示す。例えば、訪問介護車両などは、毎日複数の決まったルートを走行して出発地点に戻る。このような利用を想定し、記憶された巡回経路のうち、エネルギー残量、気温(エアコンの設定)、天候(ワイパーの設定)および時間(ヘッドライトの設定)などに基づいて、出発地点に戻る事のできない巡回経路に対して警告表示を行う構成について示す。
ユーザ入力部4を介して巡回経路の走行を判定するモードが選択されると(ステップST51)、航続可能範囲計算部13は自車位置情報から算出される自車両の現在位置、当該現在位置における外的条件から使用が推定される電力消費機器の推定駆動エネルギー消費率を取得する(ステップST52)。
この実施の形態6では、出力制御部14の構成について種々説明を行う。
まず、図22では、ユーザ入力部4の操作速度に追随させて航続可能範囲Aの表示速度を変化させる例を示している。ユーザ入力部4を介して電力消費機器の設定レベルが1から3に変化する場合、ユーザ入力部4の操作(例えば、ダイヤルを回すあるいはボタンを押す)の感覚に合せて航続可能範囲Aを変化させる速度を調整する。
ユーザ入力部4を介して電力消費機器としてエアコンが選択されると(図23(a)参照)、図23(b)に示すようにエネルギー供給設備である充電設備の表示マークとエアコンの各設定温度に対応した航続可能範囲Aが表示される。図23(b)の例では、設定温度を27度から29度に設定した場合には、航続可能範囲A(27度)、A(28度)およびA(29度)内に充電設備が少なくとも1箇所存在していることから航続可能範囲A(27度)、A(28度)およびA(29度)を例えば青色で表示する。一方、設定温度を26度に設定した場合には、SA3に位置する最初の充電設備に到達不可能であることから、当該設定温度26の航続可能範囲A(26度)を例えば警告を示す赤色で表示すると共に、ユーザに対するメッセージとして「設定温度27度以上を推奨します。」と表示し、エアコンの設定温度を27度以上にすることを提案する。これによりユーザは、表示された航続可能範囲A、警告表示あるいは表示メッセージを確認してエアコンの設定温度を決定する。
航続可能範囲計算部13がエアコンの設定ボタン(不図示)の入力を検出する(ステップST61)と、あらかじめ保有しているエアコンの各設定温度における駆動エネルギー消費率を航続可能距離計算部22に出力する(ステップST62)。航続可能距離計算部22は、ステップST62で入力されたエアコンの各設定温度の駆動エネルギー消費率と、エネルギー残量取得部5から取得するエネルギー残量Erおよび消費エネルギー率取得部6から取得する自車両の走行に関わる移動エネルギー消費率に基づいて、エアコンの各設定温度における航続可能距離Dを算出する(ステップST63)。航続可能エリア計算部23は、ステップST63で算出した航続可能距離Dに基づいた航続可能範囲Aを算出する(ステップST64)。算出された航続可能範囲Aは地図データと共に出力制御部14に出力される。
ステップST72において制御指示が入力された車両制御部は、エアコンの設定温度を推奨される温度に設定する。これにより、エアコンを推奨される温度に自動制御することができる。
Claims (14)
- 移動体の現在位置を取得する位置情報取得部と、
地図データを記憶する地図データ格納部と、
前記移動体および前記移動体に搭載された機器を駆動するエネルギーの残量を取得するエネルギー残量取得部と、
前記移動体の移動に要する単位時間当たりのエネルギー消費量である移動エネルギー消費率、および前記移動体に搭載された機器の駆動に要する単位時間当たりのエネルギー消費量である駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギー残量で前記移動体が到達可能な範囲を算出する航続可能範囲計算部と、
前記地図データ格納部の地図データを用いて、前記航続可能範囲計算部が算出した前記移動体が到達可能な範囲を地図上に表示する出力制御部とを備えた地図表示装置。 - 前記航続可能範囲計算部は、
前記移動エネルギー消費率、および前記駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギー残量で前記移動体が到達可能な距離を算出する航続可能距離算出部と、
前記地図データ格納部の地図データを用いて、前記位置情報取得部が取得する前記移動体の現在位置から、前記航続可能距離算出部が算出した距離離れた地点を算出する航続可能地点算出部と、
前記航続可能地点算出部が算出した地点に基づいて前記移動体が到達可能な範囲を算出する航続可能エリア算出部と
を備えたことを特徴とする請求項1記載の地図表示装置。 - 前記移動体の走行環境に応じた走行効率を記憶する走行効率記憶部を備え、
前記航続可能範囲計算部は、前記移動体の走行環境に応じた走行効率を適用して前記到達可能な範囲を算出することを特徴とする請求項1記載の地図表示装置。 - 前記地図データは、前記移動体が停止可能な地点に関する情報を含み、
前記航続可能範囲計算部は、前記地図データを参照して、前記移動体が到達可能な範囲が停車不可能な地点である場合に、前記移動体が到達可能な範囲内に位置し、且つ前記移動体が停止可能な地点を新たな到達可能な範囲とすることを特徴とする請求項1記載の地図表示装置。 - 前記航続可能範囲計算部は、前記位置情報取得部から取得する前記移動体の現在位置における外的条件から推定される前記機器の駆動に要する単位時間当たりのエネルギー消費量である推定駆動エネルギー消費率を算出し、前記移動エネルギー消費率、前記駆動エネルギー消費率、および前記推定駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギーの残量で、到達可能な範囲を算出することを特徴とする請求項1記載の地図表示装置。
- 前記外的条件は、前記移動体の走行地域、日付、時間、または天候の内少なくとも1つであることを特徴とする請求項5記載の地図表示装置。
- 前記地図データは、前記移動体にエネルギーを供給する設備が位置する情報を含み、
前記航続可能範囲計算部は、前記駆動エネルギー消費率を増加させる操作が行われると、前記移動エネルギー消費率、および前記操作により増加した駆動エネルギー消費率を用いて前記エネルギー残量取得部が取得したエネルギー残量で到達可能な範囲を再度算出し、
前記出力制御部は、前記地図データ格納部の地図データを参照し、前記再度算出した到達可能な範囲内に、前記移動体にエネルギーを供給する設備が存在しない場合に警告表示を行うことを特徴とする請求項1記載の地図表示装置。 - 前記移動体の巡回経路および前記巡回経路の距離情報を記憶する巡回経路記憶部を備え、
前記航続可能範囲計算部は、前記位置情報取得部から取得する前記移動体の現在位置における外的条件から推定される前記機器の駆動に要する単位時間当たりのエネルギー消費量である推定駆動エネルギー消費率を算出し、
前記航続可能距離算出部は、前記移動エネルギー消費率、および前記推定駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギーの残量で到達可能な距離を算出し、
前記出力制御部は、前記巡回経路記憶部に記憶された前記巡回経路の距離が、前記航続可能距離算出部が算出した距離より長い場合に、前記巡回経路は航続不可能である旨を示す警告表示を行うことを特徴とする請求項2記載の地図表示装置。 - 前記出力制御部は、前記機器が操作されると、前記航続可能範囲計算部において算出された前記移動体が到達可能な範囲を、前記操作に追随させて変化させることを特徴とする請求項1記載の地図表示装置。
- 前記出力制御部は、前記地図データを参照し、前記航続可能範囲計算部において算出された前記移動体が到達可能な範囲のうち、前記移動体にエネルギーを供給する設備が存在する到達可能な範囲に対応した機器の設定を推奨条件として表示することを特徴とする請求項7記載の地図表示装置。
- 前記出力制御部は、前記推奨条件を前記機器に出力することを特徴とする請求項10記載の地図表示装置。
- 移動体および前記移動体に搭載された機器を駆動するエネルギーの残量を取得するエネルギー残量取得部と、
前記移動体の移動に要する単位時間当たりのエネルギー消費量である前記移動エネルギー消費率、および前記移動体に搭載された機器の駆動に要する単位時間当たりのエネルギー消費量である前記駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギー残量で前記移動体が到達可能な距離を算出する航続可能距離算出部と、
前記航続可能距離算出部が算出した距離を表示する出力制御部とを備えた地図表示装置。 - 移動体の現在位置を取得する位置情報取得部と、
地図データを記憶する地図データ格納部と、
前記移動体および前記移動体に搭載された機器を駆動するエネルギーの残量を取得するエネルギー残量取得部と、
前記移動体の移動に要する単位時間当たりのエネルギー消費量である移動エネルギー消費率、および前記移動体に搭載された機器の駆動に要する単位時間当たりのエネルギー消費量である駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギー残量で前記移動体が到達可能な範囲を算出する航続可能範囲計算部と、
前記地図データ格納部の地図データを用いて、前記航続可能範囲計算部が算出した前記移動体が到達可能な範囲を地図上に表示する出力制御部とを備えたナビゲーション装置。 - 位置情報取得部が、移動体の現在位置を取得するステップと、
エネルギー残量取得部が、前記移動体および前記移動体に搭載された機器を駆動するエネルギーの残量を取得するステップと、
航続可能範囲計算部が、前記移動体の移動に要する単位時間当たりのエネルギー消費量である移動エネルギー消費率、および前記移動体に搭載された機器の駆動に要する単位時間当たりのエネルギー消費量である駆動エネルギー消費率を用いて、前記エネルギー残量取得部が取得したエネルギー残量で前記移動体が到達可能な範囲を算出するステップと、
出力制御部が、地図データを用いて、前記航続可能範囲計算部が算出した前記移動体が到達可能な範囲を地図上に表示するステップとを備えた地図表示方法。
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