CN108422881A - A kind of pure electric automobile course continuation mileage computational methods and system - Google Patents
A kind of pure electric automobile course continuation mileage computational methods and system Download PDFInfo
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- CN108422881A CN108422881A CN201810219512.5A CN201810219512A CN108422881A CN 108422881 A CN108422881 A CN 108422881A CN 201810219512 A CN201810219512 A CN 201810219512A CN 108422881 A CN108422881 A CN 108422881A
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- vehicle
- course continuation
- continuation mileage
- mounted guidance
- vehicle mounted
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Classifications
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- 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
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
-
- 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
- B60L2240/64—Road conditions
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of pure electric automobile course continuation mileage computational methods and system, wherein method includes the following steps, demarcates the corresponding power consumption rate of vehicle speed in advance；When vehicle uses vehicle mounted guidance when driving, the corresponding traffic information of each section of road of acquisition vehicle mounted guidance institute planning road obtains power consumption rate corresponding with speed according to the speed in the corresponding traffic information of each section of road；The course continuation mileage that automobile travels in vehicle mounted guidance planning path is calculated according to the corresponding energy expenditure rate of each section of road and corresponding path length and present battery remaining capacity.
Description
Technical field
The present invention relates to automobile technical fields, more particularly to pure electric automobile course continuation mileage computational methods and system.
Background technology
In recent years, pure electric automobile achieved and more quickly developed, pure electricity under national, local policy support
The items technology such as battery system, electric system and full-vehicle control of electrical automobile makes significant progress！
In automobile industry, the technological progress and development of pure electric automobile solves component environment and energy problem, still
There are still certain technological deficiencies.It is limited by the development bottleneck of battery industry, the course continuation mileage of pure electric automobile cannot be satisfied
The psychological needs of people.The many factors such as the development of battery technology, the restriction of cost are limited to, vehicle continuation of the journey currently on the market
Mileage is usually no more than 300km.
Therefore, pure electric automobile user be frequently necessary to when selecting long-distance trip carefully calculate mileage, assess meticulously whole
Vehicle ability.Due to the limitation of course continuation mileage, many factors such as charging station negligible amounts, charging time be longer in addition, electric vehicle
It is easier to occur almost going on a journey with target range, or traveling can not get home to poor tens kilometers even several kilometers
(or reaching charging station), puzzlement is brought to user！
When user carries out trip planning, show in pure electric automobile instrument can course continuation mileage be a very crucial ginseng
Examine content, however be limited to the estimation of battery capacity, the driving habit of driver, road the factors such as practical road conditions shadow
It rings, the course continuation mileage shown on automobile instrument is difficult to accomplish very accurately.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of pure electric automobile course continuation mileage calculating sides
Method, the practical road conditions of the road planned according to vehicle mounted guidance estimate pure electric automobile can course continuation mileage, meeting user couple can
Mileage travelled information more accurately needs.
To achieve the goals above, the technical solution adopted by the present invention is：A kind of pure electric automobile course continuation mileage calculating side
Method includes the following steps：The corresponding power consumption rate of calibration vehicle speed in advance；
When vehicle using vehicle mounted guidance when driving, obtain the corresponding road conditions of each section of road of vehicle mounted guidance institute planning road
Information obtains power consumption rate corresponding with speed according to the speed in the corresponding traffic information of each section of road；According to each
The corresponding energy expenditure rate of Duan Daolu and corresponding path length and present battery remaining capacity calculate automobile and are led vehicle-mounted
The course continuation mileage travelled in boat planning path.
When using vehicle mounted guidance, using the start button for clicking vehicle mounted guidance as trigger signal, triggers and use vehicle mounted guidance
The practical traffic information of planning path calculates course continuation mileage.
When not using vehicle mounted guidance when driving, with the average value for the average energy consumption rate being calculated that repeatedly charges recently
As the energy expenditure rate for calculating course continuation mileage, course continuation mileage, wherein average energy are then calculated according to the electricity of battery
The electric energy that consumption rate is recorded twice mileage travelled and consumption between charging for entire car controller is calculated.
The corresponding power consumption rate of vehicle speed of calibration is previously written in entire car controller.
A kind of pure electric vehicle course continuation mileage computing system, including it is entire car controller, vehicle mounted guidance, battery management system, continuous
Boat mileage display instrument, the entire car controller are separately connected vehicle mounted guidance, battery management system, course continuation mileage display instrument；
Vehicle power consumption rate when different speeds are written in advance in entire car controller；
The entire car controller obtain respectively the working condition of vehicle mounted guidance, battery management system information about power, in vehicle
When carrying navigation work, entire car controller obtains the corresponding traffic information of each section of road of vehicle mounted guidance institute planning road, according to
Speed in the corresponding traffic information of each section of road obtains power consumption rate corresponding with speed；The entire car controller according to
The corresponding energy expenditure rate of each section of road and corresponding path length and present battery remaining capacity calculate automobile in vehicle
It carries the course continuation mileage travelled in navigation programming route and controls course continuation mileage display instrument and show.
When entire car controller judges that vehicle mounted guidance does not work, entire car controller is calculated flat with multiple charging recently
Then the average value of equal energy expenditure rate is calculated continuous as the energy expenditure rate for calculating course continuation mileage according to the electricity of battery
Simultaneously control instrument is shown boat mileage, and wherein average energy consumption rate is the traveling that entire car controller is recorded twice between charging
Mileage and the electric energy of consumption and be calculated.
Whether the entire car controller works according to vehicle mounted guidance condition adjudgement vehicle mounted guidance, when vehicle mounted guidance start by
When key is triggered, navigational state is started to work at this time, and otherwise, vehicle mounted guidance does not work.
The advantage of the invention is that：The practical road conditions for the road planned according to vehicle mounted guidance remove estimation pure electric automobile
Can course continuation mileage, have more certain referential, it is more accurate compared with the existing technology, User Part use can be solved and asked
Topic, facilitate user according to physical planning path confirm can course continuation mileage whether meet the needs of of arriving at, to promoting pure electricity
The popularization of electrical automobile is of great significance with development.
Description of the drawings
Below to each width attached drawing of description of the invention expression content and figure in label be briefly described：
Fig. 1 is structure of the invention functional block diagram.
Specific implementation mode
The specific implementation mode of the present invention is made further detailed by the description to optimum embodiment below against attached drawing
Thin explanation.
The road conditions of pure electric automobile institute travel influence clearly, according to most motors the course continuation mileage of vehicle
Efficiency is generally relatively low when the characteristic of (AC magnetoelectric machine), the slow-speed of revolution and high rotating speed, and the high efficiency range of motor is generally in motor
In high rotating speed.Since current most electric vehicles use fixed speed ratio, motor speed to be corresponded with speed, thus car with
Different speed travelings, vehicle energy expenditure rate have different.
Therefore, according to the practical road conditions for the road planned go estimation pure electric automobile can course continuation mileage, have more one
Fixed referential can solve the problems, such as User Part using to promoting the popularization of pure electric automobile to be of great significance with development.
Therefore, when user opens vehicle mounted guidance, pure electric automobile is estimated according to the practical road conditions of navigation institute planning road
Instrument show can course continuation mileage when patent of the present invention elementary object." electric vehicle course continuation mileage " refers to pure electric automobile residue
Electricity automobile can course continuation mileage.
The course continuation mileage computational methods of the present invention：If user does not use vehicle mounted guidance, according to battery current electric quantity and
Charge and discharge average power drawn rate is estimated three times before；If user uses vehicle mounted guidance, according to battery current electric quantity, difference
The practical road conditions estimation of speed average power drawn rate and navigation institute planning road；" power consumption rate " refers to vehicle energy and disappears
Consumption rate, unit kWh/100km.
In different speed average power drawn rate write-in VCU (entire car controller) softwares, vehicle mounted guidance triggers after opening to be made
With；
Pure electric automobile course continuation mileage computational methods of the present invention include mainly following sections structure：
1, entire car controller (VCU)；
2, battery management system (BMS)；
3, course continuation mileage is shown (instrument)；
4, speed data collection；
5, vehicle mounted guidance；
Vehicle power consumption rate (such as 100km/h traveling energy consumptions when being written different speeds in advance in entire car controller
For a, it is b that 90km/h, which travels energy consumption, and energy expenditure rate is surveyed to obtain by development phase complete vehicle test).
When user does not use vehicle mounted guidance, entire car controller is recorded twice the electric energy of the mileage travelled and consumption between charging
(being calculated according to SOC) calculates average energy consumption rate；The nearest rate of average energy consumption three times of record is averaged again, so
The course continuation mileage that instrument is shown is calculated according to battery electric quantity state afterwards.
When user uses vehicle mounted guidance, with click " starting to navigate " for trigger signal, according to the reality of navigation institute planning road
Border road conditions judge average speed and time (by mileage calculation time) of the car per a road section, utilize the power consumption of different speeds
Rate calculates the electric energy of consumption, in the continual mileage shown according to current battery charge state computation table.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using the methodology and skill of the present invention
The improvement for the various unsubstantialities that art scheme carries out, within protection scope of the present invention.
Claims (7)
1. a kind of pure electric automobile course continuation mileage computational methods, it is characterised in that：
The corresponding power consumption rate of calibration vehicle speed in advance；
When vehicle uses vehicle mounted guidance when driving, the corresponding road conditions of each section of road for obtaining vehicle mounted guidance institute planning road are believed
Breath obtains power consumption rate corresponding with speed according to the speed in the corresponding traffic information of each section of road；According to each section
The corresponding energy expenditure rate of road and corresponding path length and present battery remaining capacity calculate automobile in vehicle mounted guidance
The course continuation mileage travelled in planning path.
2. a kind of pure electric automobile course continuation mileage computational methods as described in claim 1, it is characterised in that：It is led using vehicle-mounted
Endurance is triggered and is believed using the practical road conditions of vehicle mounted guidance planning path using the start button for clicking vehicle mounted guidance as trigger signal
Breath calculates course continuation mileage.
3. a kind of pure electric automobile course continuation mileage computational methods as described in claim 1, it is characterised in that：It is vehicle-mounted when not using
It navigates when driving, using the average value for the average energy consumption rate being calculated that repeatedly charges recently as the energy for calculating course continuation mileage
Consumption rate is measured, course continuation mileage is then calculated according to the electricity of battery, wherein average energy consumption rate is remembered for entire car controller
It records the electric energy of the mileage travelled and consumption between charging twice and is calculated.
4. a kind of pure electric vehicle course continuation mileage computational methods as described in claim 1, it is characterised in that：The vehicle speed of calibration
Corresponding power consumption rate is previously written in entire car controller.
5. a kind of pure electric vehicle course continuation mileage computing system, it is characterised in that：Including entire car controller, vehicle mounted guidance, cell tube
Reason system, course continuation mileage display instrument, the entire car controller are separately connected vehicle mounted guidance, battery management system, course continuation mileage
Display instrument；
Vehicle power consumption rate when different speeds are written in advance in entire car controller；
The entire car controller obtain respectively the working condition of vehicle mounted guidance, battery management system information about power, led vehicle-mounted
When boat work, entire car controller obtains the corresponding traffic information of each section of road of vehicle mounted guidance institute planning road, according to each
Speed in the corresponding traffic informations of Duan Daolu obtains power consumption rate corresponding with speed；The entire car controller is according to each
The corresponding energy expenditure rate of Duan Daolu and corresponding path length and present battery remaining capacity calculate automobile and are led vehicle-mounted
It the course continuation mileage that travels and controls course continuation mileage display instrument in boat planning path and shows.
6. a kind of pure electric vehicle course continuation mileage computing system as claimed in claim 5, it is characterised in that：Entire car controller judges
When vehicle mounted guidance does not work, entire car controller is made with the average value for the average energy consumption rate being calculated that repeatedly charges recently
To calculate the energy expenditure rate of course continuation mileage, course continuation mileage is then calculated according to the electricity of battery and control instrument is shown
Show, wherein average energy consumption rate is recorded twice mileage travelled between charging for entire car controller and the electric energy of consumption calculates
It obtains.
7. a kind of pure electric vehicle course continuation mileage computing system as claimed in claim 5, it is characterised in that：The entire car controller
Whether worked according to vehicle mounted guidance condition adjudgement vehicle mounted guidance, when the beginning button of vehicle mounted guidance is triggered, navigate shape at this time
State is started to work, and otherwise, vehicle mounted guidance does not work.
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| CN201810219512.5A CN108422881A (en) | 2018-03-16 | 2018-03-16 | A kind of pure electric automobile course continuation mileage computational methods and system |
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| CN201810219512.5A CN108422881A (en) | 2018-03-16 | 2018-03-16 | A kind of pure electric automobile course continuation mileage computational methods and system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017316A (en) * | 2018-08-30 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of automotive discharge alarm method, apparatus and system |
| CN109334511A (en) * | 2018-09-03 | 2019-02-15 | 胡斌 | A kind of prediction technique of electric car course continuation mileage |
| CN109543343A (en) * | 2018-12-12 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | The emulation mode of electric car course continuation mileage |
| CN110085047A (en) * | 2019-04-01 | 2019-08-02 | 深圳鸿鹏新能源科技有限公司 | Bus and its control method and device for carrying out roadside assistance |
| CN110154831A (en) * | 2019-05-17 | 2019-08-23 | 长安大学 | A kind of pure electric automobile unit time power consumption, vehicle course continuation mileage and the computing system and method that travel route institute electricity demand |
| CN110200760A (en) * | 2018-10-30 | 2019-09-06 | 深圳前海诶加无障碍生态产业发展有限公司 | Intelligence is ridden instead of walk wheelchair and the application method based on accessible map |
| CN110726566A (en) * | 2019-10-23 | 2020-01-24 | 重庆长安汽车股份有限公司 | Method for estimating endurance mileage of electric vehicle |
| WO2020047862A1 (en) * | 2018-09-07 | 2020-03-12 | 深圳配天智能技术研究院有限公司 | Method for acquiring remaining driving mileage of vehicle, electronic device, and vehicle |
| CN111483322A (en) * | 2020-04-27 | 2020-08-04 | 中国第一汽车股份有限公司 | Method and device for determining remaining mileage of vehicle and vehicle |
| CN111497624A (en) * | 2020-04-27 | 2020-08-07 | 中国第一汽车股份有限公司 | Method and device for determining remaining mileage of vehicle and vehicle |
| CN111497679A (en) * | 2019-05-17 | 2020-08-07 | 合肥工业大学 | Pure electric vehicle energy consumption monitoring optimization method and system |
| CN111546937A (en) * | 2020-05-06 | 2020-08-18 | 南安昌晟消防科技有限公司 | Method for evaluating working state of battery of electric vehicle |
| CN111563976A (en) * | 2020-04-26 | 2020-08-21 | 浙江吉利新能源商用车集团有限公司 | Method and device for determining remaining driving mileage of commercial vehicle |
| CN112389213A (en) * | 2020-11-25 | 2021-02-23 | 中国第一汽车股份有限公司 | Driving range prediction method, device, equipment and storage medium |
| CN112622619A (en) * | 2020-12-17 | 2021-04-09 | 江苏开沃汽车有限公司 | Display method of code-breaking screen instrument |
| CN112896172A (en) * | 2021-01-30 | 2021-06-04 | 刘孝恩 | Electric energy optimal utilization method and system for new energy automobile |
| CN113815423A (en) * | 2021-09-30 | 2021-12-21 | 华人运通(江苏)技术有限公司 | Energy feedback control method and device of electric automobile and vehicle |
| CN113844270A (en) * | 2021-09-30 | 2021-12-28 | 华人运通(江苏)技术有限公司 | Display mileage updating method and device of electric automobile and vehicle |
| CN113954688A (en) * | 2020-07-01 | 2022-01-21 | 广汽埃安新能源汽车有限公司 | Method and system for estimating driving range of electric automobile |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017316A (en) * | 2018-08-30 | 2018-12-18 | 北京新能源汽车股份有限公司 | A kind of automotive discharge alarm method, apparatus and system |
| CN109334511A (en) * | 2018-09-03 | 2019-02-15 | 胡斌 | A kind of prediction technique of electric car course continuation mileage |
| CN109334511B (en) * | 2018-09-03 | 2020-10-02 | 胡斌 | Prediction method for endurance mileage of electric automobile |
| CN111670340A (en) * | 2018-09-07 | 2020-09-15 | 深圳配天智能技术研究院有限公司 | Method for acquiring remaining driving mileage of vehicle, electronic equipment and vehicle |
| WO2020047862A1 (en) * | 2018-09-07 | 2020-03-12 | 深圳配天智能技术研究院有限公司 | Method for acquiring remaining driving mileage of vehicle, electronic device, and vehicle |
| CN110200760A (en) * | 2018-10-30 | 2019-09-06 | 深圳前海诶加无障碍生态产业发展有限公司 | Intelligence is ridden instead of walk wheelchair and the application method based on accessible map |
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| CN109543343A (en) * | 2018-12-12 | 2019-03-29 | 安徽江淮汽车集团股份有限公司 | The emulation mode of electric car course continuation mileage |
| CN109543343B (en) * | 2018-12-12 | 2022-12-16 | 安徽江淮汽车集团股份有限公司 | Simulation method for endurance mileage of electric automobile |
| CN110085047A (en) * | 2019-04-01 | 2019-08-02 | 深圳鸿鹏新能源科技有限公司 | Bus and its control method and device for carrying out roadside assistance |
| CN110154831A (en) * | 2019-05-17 | 2019-08-23 | 长安大学 | A kind of pure electric automobile unit time power consumption, vehicle course continuation mileage and the computing system and method that travel route institute electricity demand |
| CN111497679A (en) * | 2019-05-17 | 2020-08-07 | 合肥工业大学 | Pure electric vehicle energy consumption monitoring optimization method and system |
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| CN110726566B (en) * | 2019-10-23 | 2021-04-06 | 重庆长安汽车股份有限公司 | Method for estimating endurance mileage of electric vehicle |
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