CN105835881B - Speed Limitation on Freeway cruise system and cruise method based on satellite positioning - Google Patents
Speed Limitation on Freeway cruise system and cruise method based on satellite positioning Download PDFInfo
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- CN105835881B CN105835881B CN201610202224.XA CN201610202224A CN105835881B CN 105835881 B CN105835881 B CN 105835881B CN 201610202224 A CN201610202224 A CN 201610202224A CN 105835881 B CN105835881 B CN 105835881B
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- 239000000446 fuel Substances 0.000 claims abstract description 17
- 230000001133 acceleration Effects 0.000 claims description 9
- 238000007726 management method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000002045 lasting effect Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 2
- 239000003921 oil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
- B60W30/143—Speed control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/087—Interaction between the driver and the control system where the control system corrects or modifies a request from the driver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
- B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Controls For Constant Speed Travelling (AREA)
Abstract
The invention discloses Speed Limitation on Freeway cruise system and cruise method based on satellite positioning, cruise control module, for generating request signal and inputing to signal acquisition process module, meanwhile, request signal is also delivered to satellite positioning module by cruise control module；The position signal of vehicle is delivered to signal acquisition process module by satellite positioning module, signal acquisition process module will control signal after being handled the position signal of the request signal of acquisition and vehicle and pass to vehicle module, the current state information of vehicle is passed to signal acquisition module by vehicle module, correction amount as control signal, vehicle can be reduced the problem of encountering front speed limit and frequent switching cruise mode, also be effectively reduced driver's long period drive brought by fatigue driving and safety problem, vehicle automatically controlled engine fuel delivery and uniform speed during cruise, it ensure that the dynamic property and economy of vehicle.
Description
Technical field
The present invention relates to field of automobile, and in particular to a kind of Speed Limitation on Freeway cruise based on satellite positioning
System and cruise method.
Background technique
Cruise Control System can exactly make automotive service in the advantageous range of speeds of engine, mitigate driving for driver
Manipulation labor intensity is sailed, the automobile automatic running device of driving comfort is improved.
The country of type in continent, the chance for the long-distance running that drives a car is more, and converts when driving on a highway
The frequency and range of speed are all less, compared with can be travelled with stable speed.If but driving over a long distance and right crus of diaphragm is had to step on the gas and stepped on
When plate, long foot is easy for feeling fatigue, causes driver's energy not concentrated, there are security risks.Cruise Control System
Effect be exactly that can automatically keep speed without accelerator pedal by after speed closure switch required by driver,
Travel vehicle with fixed speed.Using this device, after driving a vehicle for a long time on a highway, driver does not just have to again
Control gas pedal is gone, fatigue is alleviated, while reducing unnecessary speed variation, fuel can be saved.
Recently, due to high-speed secure Frequent Accidents, traffic law is also increasingly stringenter the punishment of high speed hypervelocity.And
China has different speed limit to provide again for different high-speed road conditions, for example, tunnel, tunnel group speed limit value generally according to 80 kilometers/
Hour, accident-prone road section speed limit value be generally below main line high speed 20 kilometers/hour, driver be likely due to carelessness etc. reasons and
Hypervelocity.In addition, vehicle can not operate in always under general cruise mode, there is no really realize cruise for cruise mode.
Summary of the invention
To solve the shortcomings of the prior art, cruising the invention discloses the Speed Limitation on Freeway based on satellite positioning is
System and cruise method, the system start to receive in vehicle launch from satellite vehicle location information, front truck will be worked as always
Speed is compared with the speed limit value in front of corresponding position in database in certain distance (in generally 500 meters), if judgement front has
Speed limit requirement, then vehicle is voluntarily decelerated to the 90% of regulation speed, does speed-down action without driver, is ensureing safe speed
Bring economic loss due to hypervelocity is also avoided simultaneously, while also eliminating installation driving safety early-warning apparatus and (being commonly called as " electronics
Dog ") cost.
To achieve the above object, concrete scheme of the invention is as follows:
Speed Limitation on Freeway cruise system based on satellite positioning, comprising:
Cruise control module, for generating request signal and inputing to signal acquisition process module, meanwhile, cruise control mould
Request signal is also delivered to satellite positioning module by block；
The position signal of vehicle is delivered to signal acquisition process module by satellite positioning module, and signal acquisition process module will
Control signal is passed to vehicle module after being handled by the request signal of acquisition and the position signal of vehicle, and vehicle module is by vehicle
Current state information pass to signal acquisition module, as control signal correction amount；
When vehicle enters cruise mode, signal acquisition process module starts the position signal of lasting acquisition vehicle, by vehicle
Current automobile's instant velocity and database in high limiting speed of driving speed data in front of current vehicle position in set distance compare,
If the current automobile's instant velocity of vehicle is less than the high limiting speed of driving speed data in database in front of current vehicle position in set distance,
Then vehicle keeps existing speed continuous service；If the current automobile's instant velocity of vehicle is greater than in database before current vehicle position
High limiting speed of driving speed data in square set distance then make speed be less than high limiting speed of driving speed data by unlocking vehicle braking system.
Further, the Speed Limitation on Freeway cruise system based on satellite positioning further includes display module, the letter
Number acquisition processing module is connected with display module, is shown in display module display signal of getting the winning number in a bond.
Further, the cruise control module include control cruise system " ON/OFF " button, " accelerations " button with
" deceleration " button, on the steering wheel, above-mentioned button inputs to signal acquisition process for generating request signal for above-mentioned button distribution
Module.
Further, the signal acquisition process module acquires the request signal from cruise control module respectively and comes from
The vehicle location signal of satellite positioning module, and combine the status feedback signal of vehicle module to obtain accurate action command and turn
It is changed to the control signal for meeting CAN bus agreement, vehicle module is connected to by vehicle-mounted CAN bus.
Further, the vehicle module includes power assembly system and braking system, and power assembly system reception comes from
The instruction of CAN bus, adjustment engine are acted accordingly, and braking system receives the control signal from signal processing module
Carry out braking maneuver or attonity.
Further, the vehicle module is by the throttle position of vehicle, gear information, automobile's instant velocity and instantaneous fuel consumption information
Signal processing module is inputed to as status feedback signal；The status feedback signal will control the amendment of signal as adjustment
Amount.
Further, the power assembly system includes engine management system and transmission system, and the two is receiving
After control signal from CAN bus, the ECU of engine management system according to signal instruction and cooperates transmission system, in conjunction with
The distributive value of vehicle current vehicle speed, oil consumption status information adjustment engine, fuel supply advance angle information want power assembly satisfaction
It asks.
Further, the display module is incorporated on the instrument board of vehicle, be a LED light, by vehicle currently whether
In cruising condition intuitively on instrument board.
Further, when the vehicle enters cruise mode, speed is made to be less than high speed limit by unlocking vehicle braking system
Fast data, and reduce engine fuel supply and reduce gear, so that output revolving speed is matched with speed.
A kind of cruise method of the high-speed road conditions speed limit cruise system based on satellite positioning, comprising the following steps:
Step (1): pressing " ON/OFF " button on steering wheel when vehicle launch, the request that cruise system is opened
Signal inputs to satellite positioning module and signal acquisition process module；
Step (2): signal acquisition process module records the throttle position signal and gear that current power assembly system provides
Signal, and vehicle module is persistently inputed to using the signal as control signal；
Step (3): vehicle enters cruise mode, and signal acquisition process module starts lasting acquisition vehicle location signal,
High limiting speed of driving speed data in set distance in front of current vehicle position in current automobile's instant velocity and database are compared, such as
The current automobile's instant velocity of fruit vehicle is less than the high limiting speed of driving speed data in database in front of current vehicle position in set distance, then
Vehicle keeps existing speed continuous service；If the current automobile's instant velocity of vehicle is greater than in database in front of current vehicle position
High limiting speed of driving speed data in set distance then make speed be less than high limiting speed of driving speed data, and reduce by unlocking vehicle braking system
Engine fuel supply and reduction gear, make output revolving speed match with speed；
Step (4): when pressing " ON/OFF " button on steering wheel again, stopping signal passes to signal acquisition
Processing module and satellite positioning module, vehicle enter driver's driving mode.
Further, if vehicle in the process of running, presses " acceleration " button on steering wheel, the request signal of acceleration is then
It is input to signal acquisition process module, which by increasing fuel delivery and improving gear, and combines vehicle according to request signal
The status feedback signal that module returns is adjusted, and stablizes speed in target position.
Further, if vehicle in the process of running, driver want reduce vehicle cruise speed, press on steering wheel
" deceleration " button, the request signal of deceleration are then input to signal acquisition process module, which reduces fuel feeding according to request signal
Amount and reduction, and the status feedback signal for combining vehicle module to return is adjusted, and stablizes speed in target position.
Beneficial effects of the present invention:
Vehicle may be implemented on a highway when driving in the present invention, opens cruise mode, and detects whether front needs
Want speed limit and speed dropped into limit value 90% automatically, it is possible to reduce vehicle encounter front speed limit and frequent switching cruise mode
The problem of, be also effectively reduced driver's long period drive brought by fatigue driving and safety problem, ensureing accident-free vehicle
Bring economic loss due to hypervelocity is also avoided while fast.Vehicle automatically controls distributive value and uniform vehicle during cruise
Speed ensure that the dynamic property and economy of vehicle.
Detailed description of the invention
Fig. 1 is the control principle structure chart of the high-speed road conditions speed limit cruise system of the present invention based on satellite positioning.
Specific embodiment:
The present invention is described in detail with reference to the accompanying drawing:
As shown in Figure 1, the high-speed road conditions speed limit cruise system of the present invention based on satellite positioning, comprising: cruise control
Molding block, satellite positioning module, signal acquisition process module, vehicle module and display module；Signal acquisition process module acquisition
The request signal of driver from cruise control module；Signal acquisition process module acquires the vehicle position from satellite positioning module
Confidence number；Control signal is passed to vehicle module, display is believed by signal acquisition process module by after collected signal processing
Number pass to the display module on instrument board；The cruise control switch signal of satellite positioning module acquisition cruise control module；It is whole
The current state information of vehicle is passed to signal acquisition module by vehicle module；Satellite positioning module receives the letter that satellite is issued
Number, it is positioned using these signals, and location information is inputed into signal acquisition process module；Signal acquisition process module obtains
Accurate action command and the control signal for meeting CAN bus agreement is converted to out, vehicle mould is connected to by vehicle-mounted CAN bus
Block power assembly system and braking system；Vehicle module includes power assembly system and braking system, power assembly system adjustment
Engine is acted accordingly, and braking system carries out braking maneuver or attonity；Vehicle module is by the throttle position of vehicle, shelves
The information such as position information, automobile's instant velocity and instantaneous oil consumption input to signal processing module as status feedback signal；The state is anti-
Feedback signal will control the correction amount of signal as adjustment；Power assembly system includes engine management system and transmission system,
The two receives the control signal from CAN bus, and the ECU of engine management system according to signal instruction and cooperates gearbox system
System, in conjunction with the distributive value of the status informations such as vehicle current vehicle speed, oil consumption adjustment engine, the information such as fuel supply advance angle make power
Assembly is met the requirements；Display module receives the display information from signal processing module, the module integrated instrument board in vehicle
On, be a LED light, by vehicle currently whether in cruising condition intuitively on instrument board.The satellite positioning module connects
The switching signal from cruise control module is received, independently switches work and the standby mode of the satellite positioning module according to signal.
The detailed process based on the high-speed road conditions speed limit cruise system of the present invention based on satellite positioning is carried out below
Explanation, comprising the following steps:
Step (1): driver driving is loaded with the vehicle driving of the system when on expressway, can be selected by accelerator gear etc.
The properly speed of oneself, and " ON/OFF " button on steering wheel is pressed, the request signal input that speed limit cruise system is opened at this time
To satellite positioning module and signal acquisition process module, the two enters working condition by standby；
Step (2): signal acquisition process module records the throttle position signal and gear that current power assembly system provides
Signal, and vehicle module is persistently inputed to using the signal as control signal.After system is stablized, the cruise on instrument board
Operation LED etc. is always on, and driver can liberate both feet, and vehicle enters cruise mode；
Step (3): after vehicle enters cruise mode, signal acquisition signal starts lasting acquisition satellite positioning module and transmits
Vehicle location signal, by vehicle location signal carry out mean filter processing, in database, (the more families of the database generalization are with authority
The latest data of figure acquisition process company, the speed limit data including section locating for location information and current location) in inquiry it is current
High limiting speed of driving speed data in front of position in 500 meters, and compare, if existing speed is less than high limiting speed of driving speed data, vehicle
Keep existing speed continuous service；If existing speed is greater than high limiting speed of driving speed data, vehicle is made by unlocking vehicle braking system
Fast automatic slowly reduces and so that speed is reached the 90% of requirement speed before reaching speed limit and requiring point, and reduces engine oil
Amount and reduction gear, make output revolving speed match with speed；
Step (4): if vehicle is in the process of running, driver wants to improve the cruise speed of (or reduction) vehicle, it is not necessary to close
Cruise system presses " acceleration " (or " deceleration ") button on steering wheel, and the request signal of (or deceleration) is accelerated then to be input to letter
Number acquisition processing module, the module by increase (or reduction) fuel delivery and improve (or reduction) gear according to request signal, and
It is suitably adjusted in conjunction with the status feedback signal that vehicle module returns, stablizes speed in the target position of driver；
Step (5): when driver presses " ON/OFF " button on steering wheel again, stopping signal passes to letter
Number acquisition processing module and satellite positioning module, the two enter standby mode by working condition, the cruise system LED on instrument board
Lamp extinguishes, and vehicle enters driver's driving mode.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (9)
1. the Speed Limitation on Freeway cruise system based on satellite positioning, characterized in that include:
Cruise control module, for generating request signal and inputing to signal acquisition process module, meanwhile, cruise control module is also
Request signal is delivered to satellite positioning module；
The position signal of vehicle is delivered to signal acquisition process module by satellite positioning module, and signal acquisition process module will acquire
Request signal and vehicle position signal handled after control signal passed into vehicle module, vehicle module is by vehicle
Current state information passes to signal acquisition module, the correction amount as control signal；
The signal acquisition process module acquires the request signal from cruise control module respectively and comes from satellite positioning module
Vehicle location signal, and the status feedback signal of vehicle module is combined to obtain accurate action command and be converted to and meet CAN
The control signal of bus protocol is connected to vehicle module by vehicle-mounted CAN bus；
When vehicle enters cruise mode, signal acquisition process module starts the position signal of lasting acquisition vehicle, by vehicle
High limiting speed of driving speed data in current automobile's instant velocity and database in front of current vehicle position in set distance compare, if
The current automobile's instant velocity of vehicle is less than the high limiting speed of driving speed data in database in front of current vehicle position in set distance, then vehicle
Keep existing speed continuous service；It is set in front of current vehicle position if the current automobile's instant velocity of vehicle is greater than in database
High limiting speed of driving speed data in set a distance then make speed be less than high limiting speed of driving speed data by unlocking vehicle braking system；
If vehicle is in the process of running, driver wants to increase or decrease the cruise speed of vehicle, it is not necessary to close cruise system, the side of pressing
" acceleration " or " deceleration " button on disk, the request signal of acceleration or deceleration are then input to signal acquisition process module, the mould
Root tuber passes through the state for increasing or decreasing fuel delivery and increasing or decreasing gear, and vehicle module being combined to return according to request signal
Feedback signal is suitably adjusted, and stablizes speed in the target position of driver.
2. the Speed Limitation on Freeway cruise system based on satellite positioning as described in claim 1, characterized in that described to be based on defending
The Speed Limitation on Freeway cruise system of star positioning further includes display module, the signal acquisition process module and display module phase
Even, display signal is shown in display module.
3. the Speed Limitation on Freeway cruise system based on satellite positioning as described in claim 1, characterized in that the cruise control
Molding block includes " ON/OFF " button for controlling cruise system, " acceleration " button and " deceleration " button, and above-mentioned button is distributed in direction
On disk, above-mentioned button inputs to signal acquisition process module for generating request signal.
4. the Speed Limitation on Freeway cruise system based on satellite positioning as described in claim 1, characterized in that the vehicle mould
Block includes power assembly system and braking system, and power assembly system receives the instruction from CAN bus, and adjustment engine carries out
Corresponding movement, braking system receive the control signal from signal processing module and carry out braking maneuver or attonity.
5. the Speed Limitation on Freeway cruise system based on satellite positioning as described in claim 1, characterized in that the vehicle mould
Block inputs to signal using the throttle position of vehicle, gear information, automobile's instant velocity and instantaneous fuel consumption information as status feedback signal
Processing module；The status feedback signal will control the correction amount of signal as adjustment.
6. the Speed Limitation on Freeway cruise system based on satellite positioning as claimed in claim 4, characterized in that the power is total
It include engine management system and transmission system at system, the two is started after receiving the control signal from CAN bus
The ECU of machine management system is according to signal instruction and cooperates transmission system, adjusts in conjunction with vehicle current vehicle speed, oil consumption status information
The distributive value of engine, fuel supply advance angle information, meets the requirements power assembly.
7. the Speed Limitation on Freeway cruise system based on satellite positioning as claimed in claim 2, characterized in that the display mould
Block is incorporated on the instrument board of vehicle, is a LED light, and whether vehicle is currently in cruising condition intuitively in instrument board
On.
8. the Speed Limitation on Freeway cruise system based on satellite positioning as described in claim 1, characterized in that the vehicle into
When entering cruise mode, by unlocking vehicle braking system make speed be less than high limiting speed of driving speed data, and reduce engine fuel supply and
Gear is reduced, output revolving speed is made to match with speed.
9. using the cruise method of any Speed Limitation on Freeway cruise system based on satellite positioning of claim 1-8,
It is characterized in that, comprising the following steps:
Step (1): pressing " ON/OFF " button on steering wheel when vehicle launch, the request signal that cruise system is opened
Input to satellite positioning module and signal acquisition process module；
Step (2): signal acquisition process module records the throttle position signal and gear signal that current power assembly system provides,
And vehicle module is persistently inputed to using the signal as control signal；
Step (3): vehicle enters cruise mode, and signal acquisition process module starts lasting acquisition vehicle location signal, will work as
High limiting speed of driving speed data in preceding automobile's instant velocity and database in front of current vehicle position in set distance compare, if vehicle
Current automobile's instant velocity be less than the high limiting speed of driving speed data in database in front of current vehicle position in set distance, then vehicle
Keep existing speed continuous service；If the current automobile's instant velocity of vehicle is greater than in database setting in front of current vehicle position
High limiting speed of driving speed data in distance then make speed be less than high limiting speed of driving speed data, and reduce and start by unlocking vehicle braking system
Machine fuel delivery and reduction gear, make output revolving speed match with speed；
If vehicle in the process of running, presses " acceleration " button on steering wheel, the request signal of acceleration is then input to signal and adopts
Collecting processing module, the module is according to request signal, by increasing fuel delivery and improving gear, and the shape for combining vehicle module to return
State feedback signal is adjusted, and stablizes speed in target position；
If vehicle is in the process of running, driver wants to reduce the cruise speed of vehicle, presses " deceleration " button on steering wheel, slows down
Request signal be then input to signal acquisition process module, which reduces fuel delivery and reduction according to request signal, and combines
The status feedback signal that vehicle module returns is adjusted, and stablizes speed in target position；
Step (4): when pressing " ON/OFF " button on steering wheel again, stopping signal passes to signal acquisition process
Module and satellite positioning module, vehicle enter driver's driving mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610202224.XA CN105835881B (en) | 2016-03-31 | 2016-03-31 | Speed Limitation on Freeway cruise system and cruise method based on satellite positioning |
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| CN201610202224.XA CN105835881B (en) | 2016-03-31 | 2016-03-31 | Speed Limitation on Freeway cruise system and cruise method based on satellite positioning |
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| CN105835881B true CN105835881B (en) | 2018-12-11 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106558234A (en) * | 2016-12-13 | 2017-04-05 | 山姆帮你（天津）信息科技有限公司 | Road network monitoring system technical field based on satellite fix |
| CN108536134B (en) * | 2017-03-02 | 2019-12-20 | 比亚迪股份有限公司 | Automatic control method and device for vehicle running |
| CN108533427A (en) * | 2018-03-22 | 2018-09-14 | 安徽江淮汽车集团股份有限公司 | A kind of automotive fuel oil system |
| CN113022563A (en) * | 2019-12-24 | 2021-06-25 | 北京宝沃汽车股份有限公司 | Vehicle, and control method and control device thereof |
| CN112622902A (en) * | 2021-01-15 | 2021-04-09 | 江苏理工学院 | Self-adaptive cruise control system based on brake-by-wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102004002483B4 (en) * | 2004-01-17 | 2016-09-15 | Robert Bosch Gmbh | Method and device for speed control of a vehicle |
| CN101240750A (en) * | 2007-02-05 | 2008-08-13 | 上海大众智能设备有限公司 | Automobile speed limiting intelligent controller possessing GPS location function |
| US8055427B2 (en) * | 2008-12-18 | 2011-11-08 | GM Global Technology Operations LLC | Method and apparatus for speed-limit following cruise control |
| CN105346390B (en) * | 2015-10-21 | 2018-04-17 | 奇瑞汽车股份有限公司 | A kind of constant speed cruising system and constant speed cruising method based on onboard navigation system |
| CN107933554B (en) * | 2015-12-03 | 2019-07-30 | 成都九十度工业产品设计有限公司 | A kind of mobile phone constant-speed-cruise control method |
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