CN110979288A - Pure electric vehicle intelligent vacuum pump control system and method based on whole vehicle CAN architecture - Google Patents
Pure electric vehicle intelligent vacuum pump control system and method based on whole vehicle CAN architecture Download PDFInfo
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- CN110979288A CN110979288A CN201911375593.9A CN201911375593A CN110979288A CN 110979288 A CN110979288 A CN 110979288A CN 201911375593 A CN201911375593 A CN 201911375593A CN 110979288 A CN110979288 A CN 110979288A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
Abstract
The invention discloses a pure electric vehicle intelligent vacuum pump control system and method based on a whole vehicle CAN framework, which comprises the following steps: the vacuum pump controller module is used for providing the working time of a vacuum pump motor, the vacuum degree of a vacuum tank, a text prompt and an indicator light prompt signal of a vacuum pump system and controlling the vacuum pump to work and stop; the instrument module is used for informing the driver of the information sent by the vacuum pump controller module and the vehicle-mounted remote information processing controller module in the form of characters and indicator lamps; the vehicle control unit module is used for providing vehicle speed, wheel speed, gear, torque of a driving motor, a vehicle braking deceleration signal, vehicle ambient atmospheric pressure and vehicle service time; the vehicle-mounted remote information processing controller module is used for recording and detecting the vehicle state and the state of the vacuum pump system in real time and feeding back the vehicle state and the state to the vacuum pump controller module and the background; the invention combines the characteristics of VCU, instrument and T-BOX, provides more comprehensive input for the work of the vacuum pump, and effectively improves the running safety of the vehicle.
Description
Technical Field
The invention relates to a pure electric vehicle vacuum pump control system based on a finished vehicle CAN framework, in particular to a pure electric vehicle intelligent vacuum pump control system and method based on a finished vehicle CAN framework.
Background
With the rapid development of electric automobiles in the automobile industry, because pure electric automobiles do not have engines or hybrid electric automobiles cannot work at all times, a vacuum source of a vehicle braking system needs to be provided by an electronic vacuum pump. Accordingly, vacuum pump systems have become an important component in vehicle electrical systems, where the vacuum pump is directly controlled by a vacuum pump controller. At present, the vacuum pump control system on the market has limited signals and interactive controllers, the control logic is simpler, and the related work of opening, closing and alarming the vacuum pump can be performed only through the limited signals.
Disclosure of Invention
The invention aims to provide a pure electric vehicle intelligent vacuum pump control system based on a whole vehicle CAN framework, and the invention also aims to provide a control method of the vacuum pump control system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a pure electric vehicle intelligent vacuum pump control system based on a finished vehicle CAN architecture, which comprises the following modules:
the vacuum pump controller module (EVP) is used for providing the working time of a vacuum pump motor, the vacuum degree of a vacuum tank, a text prompt of a vacuum pump system and a prompt signal of an indicator lamp and controlling the vacuum pump to work and stop; the CAN bus of the whole vehicle is communicated with the instrument module, the controller module of the whole vehicle and the vehicle-mounted remote information processing controller module; receiving signals sent by the vehicle controller module, the instrument module and the vehicle-mounted remote information processing controller module to control the vacuum pump and feed back results;
the instrument module is used for informing the driver of the information sent by the vacuum pump controller module and the vehicle-mounted remote information processing controller module in the form of characters and indicator lamps, calculating the speed and the wheel speed provided by the vehicle controller module, providing the driving mileage of the vehicle, and providing safety belt signals and vehicle door signals;
a vehicle control unit module (VCU) for providing vehicle speed, wheel speed, gear, drive motor torque, vehicle braking deceleration signal, vehicle ambient barometric pressure and vehicle age; according to the fault grade sent by the vacuum pump controller module, the vehicle state signal provided by the instrument module and the vacuum pump system state fed back by the vehicle-mounted remote information processing controller module, the vehicle speed is limited in different grades by combining the vehicle state signal so as to improve the driving safety;
the vehicle-mounted remote information processing controller module (T-BOX) is used for recording, detecting and feeding back the vehicle state and the state of the vacuum pump system to the vacuum pump controller module and the background in real time; and recording the single working time, the accumulated working time and the working times of the vacuum pump, and transmitting the data to the vacuum pump controller module and the instrument module through the CAN bus.
The invention relates to a control method of an intelligent vacuum pump control system of a pure electric vehicle based on a finished vehicle CAN framework, which comprises the following steps that firstly, when a vehicle runs, when the EVP judges that the atmospheric pressure of a vehicle use environment provided by a VCU is greater than a design value Z, whether the set standard is met or not is continuously judged, and the vehicle running mileage does not exceed 3 kilometers or the service life does not exceed 2 years or the accumulated working times does not reach 3 thousands of times or the accumulated working time reaches 12 hours is judged;
(1) if the vacuum degree reaches the set standard, the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value A, starting a vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value B; if the vacuum degree is larger than the design threshold value A, stopping the vacuum pump;
(2) if the vacuum degree reaches a set standard and the vehicle door is not closed or the safety belt is not fastened, controlling the vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value C, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value D and then stopping the vacuum pump to work; if the vacuum degree is larger than the design threshold value, the vacuum pump stops working;
(3) if the vacuum degree is not higher than the design threshold value E, the vacuum pump is stopped working until the vacuum degree is higher than the design threshold value F, and if the vacuum degree is higher than the design threshold value E, the vacuum pump is stopped working;
(4) if the vacuum degree is smaller than the design threshold value G, the vacuum pump is started to work until the vacuum degree is larger than the design threshold value H, and then the vacuum pump stops working; if the vacuum degree is larger than the design threshold value G, stopping the vacuum pump;
(5) if the vacuum degree is smaller than a design threshold value K, the vacuum pump is controlled to start to work until the vacuum degree is larger than a design threshold value L, and then the vacuum pump stops working; if the vacuum degree is larger than a design threshold value K, stopping the vacuum pump;
(6) if the vacuum degree is not up to the set standard, driving the vacuum pump and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when a vehicle door is not closed or a safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value M, stopping the vacuum pump until the vacuum degree is greater than a design threshold value N, and stopping the vacuum pump to work if the vacuum degree is greater than the design threshold value M;
when the vehicle runs, when the EVP judges that the atmospheric pressure of the vehicle using environment provided by the VCU is less than or equal to the design value Z, whether the set standard is met or not is continuously judged, wherein the vehicle running mileage does not exceed 3 kilometers or the service life does not exceed 2 years or the accumulated working frequency does not reach 3 kilometers or the accumulated working time reaches 12 hours;
(7) if the vacuum degree reaches the set standard and the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value a, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value b and then stopping the vacuum pump to work; if the vacuum degree is larger than a designed threshold value a, stopping the vacuum pump;
(8) if the vacuum degree reaches the set standard and the vehicle door is not closed or the safety belt is not fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value c, starting the vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value d; if the vacuum degree is larger than the design threshold value c, stopping the vacuum pump;
(9) if the vacuum degree is not higher than the design threshold value f, the vacuum pump stops working, and if the vacuum degree is higher than the design threshold value e, the vacuum pump stops working;
(10) if the vacuum degree is not higher than the design threshold value g, the vacuum pump is controlled to start to work until the vacuum degree is higher than the design threshold value h; if the vacuum degree is larger than a design threshold value g, stopping the vacuum pump;
(11) if the vacuum degree is less than a design threshold value k, the vacuum pump is controlled to start to work until the vacuum degree is greater than a design threshold value l, and the vacuum pump stops working if the vacuum degree is greater than the design threshold value k;
(12) and if the vacuum degree is not up to the set standard, driving the vacuum pump to work and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when the vehicle door is not closed or the safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value m, stopping the vacuum pump until the vacuum degree is greater than a design threshold value n, and stopping the vacuum pump if the vacuum degree is greater than the design threshold value m.
The advantages of the invention are mainly embodied as follows:
1. the control method based on the whole vehicle CAN architecture CAN effectively improve the signal transmission speed, obtain more vehicle state signals, reduce the hard wire connection and arrangement work and effectively reduce the vehicle development cost.
2. On the premise that the vacuum pump controller is low in cost and simple in function, the characteristics of the VCU, the instruments and the T-BOX are combined, more vehicle information and vacuum pump system information are obtained, more comprehensive input is provided for the work of the vacuum pump, and the vehicle running safety is effectively improved;
3. the manufacturer (background) can monitor the state of the vehicle vacuum system in time and find a fault, and can effectively improve the braking safety performance of the vehicle when the driver does not find or ignore the vacuum fault.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
FIGS. 2.1 and 2.2 are flow charts of the process according to the invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the pure electric vehicle intelligent vacuum pump control system based on the entire vehicle CAN architecture of the present invention includes the following modules:
a vacuum pump controller module (EVP) 1, which is used for providing the working time of a vacuum pump motor, the vacuum degree of a vacuum tank, a text prompt of a vacuum pump system and a prompt signal of an indicator lamp and controlling the vacuum pump to work and stop; the CAN bus of the whole vehicle is communicated with the instrument module 2, the controller module 3 and the vehicle-mounted remote information processing controller module 4; receiving signals sent by the vehicle controller module 3, the instrument module 2 and the vehicle-mounted remote information processing controller module 4 to control the vacuum pump and feed back results;
the instrument module 2 is used for informing the driver of the information sent by the vacuum pump controller module 1 and the vehicle-mounted remote information processing controller module 4 in the form of characters and indicator lamps, calculating the speed and the wheel speed provided by the whole vehicle controller module 3, providing the driving mileage of the vehicle, and providing safety belt signals and vehicle door signals;
a vehicle control unit module (VCU) 3 for providing vehicle speed, wheel speed, gear, driving motor torque, vehicle braking deceleration signal, vehicle ambient atmospheric pressure and vehicle service time; according to the fault grade sent by the vacuum pump controller module 1, the vehicle state signal provided by the instrument module 2 and the vacuum pump system state fed back by the vehicle-mounted remote information processing controller module 4, the vehicle speed is limited in different grades by combining the vehicle state signal so as to improve the driving safety;
a vehicle-mounted remote information processing controller module (T-BOX) 4, which is used for recording and detecting the vehicle state and the state of the vacuum pump system in real time and feeding back to the vacuum pump controller module 1 and the background; and recording the single working time, the accumulated working time and the working times of the vacuum pump, and transmitting the data to the vacuum pump controller module 1 and the instrument module 2 through the CAN bus.
As shown in fig. 2.1 and 2.2, in the control method of the pure electric vehicle intelligent vacuum pump control system based on the entire vehicle CAN architecture, first, when the EVP determines that the atmospheric pressure of the vehicle use environment provided by the VCU is greater than the design value Z during vehicle running, whether the set standard "the vehicle running mileage is not more than 3 kilometers, the service life is not more than 2 years, or the cumulative working frequency is not more than 3 ten thousand times, or the cumulative working time is 12 hours" is continuously determined;
(1) if the vacuum degree reaches the set standard, the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value A, starting a vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value B; if the vacuum degree is larger than the design threshold value A, stopping the vacuum pump;
(2) if the vacuum degree reaches a set standard and the vehicle door is not closed or the safety belt is not fastened, controlling the vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value C, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value D and then stopping the vacuum pump to work; if the vacuum degree is larger than the design threshold value, the vacuum pump stops working;
(3) if the vacuum degree is not higher than the design threshold value E, the vacuum pump is stopped working until the vacuum degree is higher than the design threshold value F, and if the vacuum degree is higher than the design threshold value E, the vacuum pump is stopped working;
(4) if the vacuum degree is smaller than the design threshold value G, the vacuum pump is started to work until the vacuum degree is larger than the design threshold value H, and then the vacuum pump stops working; if the vacuum degree is larger than the design threshold value G, stopping the vacuum pump;
(5) if the vacuum degree is smaller than a design threshold value K, the vacuum pump is controlled to start to work until the vacuum degree is larger than a design threshold value L, and then the vacuum pump stops working; if the vacuum degree is larger than a design threshold value K, stopping the vacuum pump;
(6) if the vacuum degree is not up to the set standard, driving the vacuum pump and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when a vehicle door is not closed or a safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value M, stopping the vacuum pump until the vacuum degree is greater than a design threshold value N, and stopping the vacuum pump to work if the vacuum degree is greater than the design threshold value M;
when the vehicle runs, when the EVP judges that the atmospheric pressure of the vehicle using environment provided by the VCU is less than or equal to the design value Z, whether the set standard is met or not is continuously judged, wherein the vehicle running mileage does not exceed 3 kilometers or the service life does not exceed 2 years or the accumulated working frequency does not reach 3 kilometers or the accumulated working time reaches 12 hours;
(7) if the vacuum degree reaches the set standard and the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value a, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value b and then stopping the vacuum pump to work; if the vacuum degree is larger than a designed threshold value a, stopping the vacuum pump;
(8) if the vacuum degree reaches the set standard and the vehicle door is not closed or the safety belt is not fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value c, starting the vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value d; if the vacuum degree is larger than the design threshold value c, stopping the vacuum pump;
(9) if the vacuum degree is not higher than the design threshold value f, the vacuum pump stops working, and if the vacuum degree is higher than the design threshold value e, the vacuum pump stops working;
(10) if the vacuum degree is not higher than the design threshold value g, the vacuum pump is controlled to start to work until the vacuum degree is higher than the design threshold value h; if the vacuum degree is larger than a design threshold value g, stopping the vacuum pump;
(11) if the vacuum degree is less than a design threshold value k, the vacuum pump is controlled to start to work until the vacuum degree is greater than a design threshold value l, and the vacuum pump stops working if the vacuum degree is greater than the design threshold value k;
(12) and if the vacuum degree is not up to the set standard, driving the vacuum pump to work and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when the vehicle door is not closed or the safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value m, stopping the vacuum pump until the vacuum degree is greater than a design threshold value n, and stopping the vacuum pump if the vacuum degree is greater than the design threshold value m.
Claims (2)
1. The utility model provides a pure electric vehicle intelligence vacuum pump control system based on whole car CAN framework which characterized in that includes following module:
the vacuum pump controller module is used for providing the working time of a vacuum pump motor, the vacuum degree of a vacuum tank, a text prompt and an indicator light prompt signal of a vacuum pump system and controlling the vacuum pump to work and stop; the CAN bus of the whole vehicle is communicated with the instrument module, the controller module of the whole vehicle and the vehicle-mounted remote information processing controller module; receiving signals sent by the vehicle controller module, the instrument module and the vehicle-mounted remote information processing controller module to control the vacuum pump and feed back results;
the instrument module is used for informing the driver of the information sent by the vacuum pump controller module and the vehicle-mounted remote information processing controller module in the form of characters and indicator lamps, calculating the speed and the wheel speed provided by the vehicle controller module, providing the driving mileage of the vehicle, and providing safety belt signals and vehicle door signals;
the vehicle control unit module is used for providing vehicle speed, wheel speed, gear, torque of a driving motor, a vehicle braking deceleration signal, vehicle ambient atmospheric pressure and vehicle service time; according to the fault grade sent by the vacuum pump controller module, the vehicle state signal provided by the instrument module and the vacuum pump system state fed back by the vehicle-mounted remote information processing controller module, the vehicle speed is limited in different grades by combining the vehicle state signal so as to improve the driving safety;
the vehicle-mounted remote information processing controller module is used for recording and detecting the vehicle state and the state of the vacuum pump system in real time and feeding back the vehicle state and the state to the vacuum pump controller module and the background; and recording the single working time, the accumulated working time and the working times of the vacuum pump, and transmitting the data to the vacuum pump controller module and the instrument module through the CAN bus.
2. The control method of the pure electric vehicle intelligent vacuum pump control system based on the whole vehicle CAN architecture according to claim 1, characterized in that: when the vehicle runs, when the EVP judges that the atmospheric pressure of the use environment of the vehicle provided by the VCU is greater than a design value Z, whether the atmospheric pressure of the use environment of the vehicle reaches a set standard or not is continuously judged, wherein the vehicle running mileage does not exceed 3 kilometers or the service life does not exceed 2 years or the accumulated working frequency does not reach 3 kilometers or the accumulated working time reaches 12 hours;
(1) if the vacuum degree reaches the set standard, the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value A, starting a vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value B; if the vacuum degree is larger than the design threshold value A, stopping the vacuum pump;
(2) if the vacuum degree reaches a set standard and the vehicle door is not closed or the safety belt is not fastened, controlling the vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value C, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value D and then stopping the vacuum pump to work; if the vacuum degree is larger than the design threshold value C, stopping the vacuum pump;
(3) if the vacuum degree is not higher than the design threshold value E, the vacuum pump is stopped working until the vacuum degree is higher than the design threshold value F, and if the vacuum degree is higher than the design threshold value E, the vacuum pump is stopped working;
(4) if the vacuum degree is smaller than the design threshold value G, the vacuum pump is started to work until the vacuum degree is larger than the design threshold value H, and then the vacuum pump stops working; if the vacuum degree is larger than the design threshold value G, stopping the vacuum pump;
(5) if the vacuum degree is smaller than a design threshold value K, the vacuum pump is controlled to start to work until the vacuum degree is larger than a design threshold value L, and then the vacuum pump stops working; if the vacuum degree is larger than a design threshold value K, stopping the vacuum pump;
(6) if the vacuum degree is not up to the set standard, driving the vacuum pump and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when a vehicle door is not closed or a safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value M, stopping the vacuum pump until the vacuum degree is greater than a design threshold value N, and stopping the vacuum pump to work if the vacuum degree is greater than the design threshold value M;
when the vehicle runs, when the EVP judges that the atmospheric pressure of the vehicle using environment provided by the VCU is less than or equal to the design value Z, whether the set standard is met or not is continuously judged, wherein the vehicle running mileage does not exceed 3 kilometers or the service life does not exceed 2 years or the accumulated working frequency does not reach 3 kilometers or the accumulated working time reaches 12 hours;
(7) if the vacuum degree reaches the set standard and the vehicle door is closed and the safety belt is fastened, controlling a vacuum degree sensor to detect the vacuum degree, and if the vacuum degree is smaller than a design threshold value a, starting the vacuum pump to work until the vacuum degree is larger than a design threshold value b and then stopping the vacuum pump to work; if the vacuum degree is larger than a designed threshold value a, stopping the vacuum pump;
(8) if the vacuum degree reaches the set standard and the vehicle door is not closed or the safety belt is not fastened, controlling a vacuum degree sensor to detect the vacuum degree, if the vacuum degree is smaller than a design threshold value c, starting the vacuum pump to work, and stopping the vacuum pump after the vacuum degree is larger than a design threshold value d; if the vacuum degree is larger than the design threshold value c, stopping the vacuum pump;
(9) if the vacuum degree is not higher than the design threshold value f, the vacuum pump stops working, and if the vacuum degree is higher than the design threshold value e, the vacuum pump stops working;
(10) if the vacuum degree is not higher than the design threshold value g, the vacuum pump is controlled to start to work until the vacuum degree is higher than the design threshold value h; if the vacuum degree is larger than a design threshold value g, stopping the vacuum pump;
(11) if the vacuum degree is less than a design threshold value k, the vacuum pump is controlled to start to work until the vacuum degree is greater than a design threshold value l, and the vacuum pump stops working if the vacuum degree is greater than the design threshold value k;
(12) and if the vacuum degree is not up to the set standard, driving the vacuum pump to work and checking that the performance of the vacuum pump is unqualified, controlling a vacuum degree sensor to detect the vacuum degree when the vehicle door is not closed or the safety belt is not fastened, starting the vacuum pump to work if the vacuum degree is less than a design threshold value m, stopping the vacuum pump until the vacuum degree is greater than a design threshold value n, and stopping the vacuum pump if the vacuum degree is greater than the design threshold value m.
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| CN114312707A (en) * | 2021-12-16 | 2022-04-12 | 东风汽车集团股份有限公司 | ADAS visual perception-based electric vacuum pump control method, system and medium |
| CN114394074A (en) * | 2022-01-20 | 2022-04-26 | 上海汽车集团股份有限公司 | Control method and device of electronic vacuum pump, controller and vehicle |
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Application publication date: 20200410 |
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