CN110936940A - Commercial vehicle ESC system based on AEBS relay valve - Google Patents
Commercial vehicle ESC system based on AEBS relay valve Download PDFInfo
- Publication number
- CN110936940A CN110936940A CN201911107597.9A CN201911107597A CN110936940A CN 110936940 A CN110936940 A CN 110936940A CN 201911107597 A CN201911107597 A CN 201911107597A CN 110936940 A CN110936940 A CN 110936940A
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- valve
- aebs
- relay valve
- brake
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Classifications
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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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
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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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
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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
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
- B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
Abstract
The invention discloses a commercial vehicle ESC system based on an AEBS relay valve, which comprises: the system comprises an electric control unit, a brake master valve, a front axle AEBS relay valve, a rear axle AEBS relay valve, a pressure sensor, a steering angle sensor, a yaw rate sensor, an ABS electromagnetic valve, a wheel speed sensor and a gear ring, wherein the front axle AEBS relay valve, the rear axle AEBS relay valve, the pressure sensor, the steering angle sensor, the yaw rate sensor, the ABS electromagnetic valve, the wheel speed sensor; the front right brake air chamber and the front left brake air chamber are respectively connected with a front axle AEBS relay valve through an ABS electromagnetic valve, the rear right brake air chamber and the rear left brake air chamber are respectively connected with a rear axle AEBS relay valve through an ABS electromagnetic valve, the front axle AEBS relay valve is connected to a brake main valve through a pipeline, the rear axle AEBS relay valve is connected to a pressure sensor through a pipeline, and the pressure sensor is connected to the brake main valve through a pipeline. The system adopts the AEBS relay valve to control the braking pressure of the wheel, has the functions of active boosting, pressure maintaining and pressure reducing, can directly realize the braking pressure control of the wheel, does not need the ABS valve to work simultaneously when the pressure maintaining is carried out, is favorable for prolonging the service life of the ABS valve, and improves the reliability of the system.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to a commercial vehicle ESC system based on an AEBS relay valve.
Background
With the rapid development of the automobile industry and the continuous construction of highways, the driving safety of automobiles is particularly emphasized by countries in the world, especially the requirements on the technical performance of automobile braking systems are higher and higher, and the automobile safety is more and more emphasized by people. As an important part for guaranteeing the safety of a vehicle, the technical innovation of an automobile brake system has an extremely important influence on the improvement of the safety of the vehicle. With the continuous progress of electronic control and integrated control, vehicle safety systems have also been newly developed. The traditional mechanical system can not meet the requirement of modern automobiles on safety, various electric control systems for improving the active safety of automobiles become the research focus of automobile enterprises, and the automobile electric control systems are entering a rapid development period.
With the increase of the consumption level of people, new requirements are put forward on the safety of vehicles; the electronic braking system can replace a traditional mechanical system, and can stably perform deceleration control on the vehicle on the original ABS system, so that the comfort is improved; meanwhile, the electronic brake system can expand various functions, such as brake force distribution, ESC, brake assisting function and the like, and infinite possibilities are provided for optimization of the brake system.
The structure of the existing commercial vehicle ESC system is shown in fig. 1, and its working mode is: after receiving the feedback signals of the yaw rate sensor 102, the steering angle sensor 103 and the pressure sensor 104, the ECU 101 performs data analysis, determines the driving state of the vehicle, and performs corresponding control on the front axle ASR valve 105, the rear axle ASR valve 106, the right front ABS valve 107, the left front ABS valve 108, the right rear ABS valve 109 and the left rear ABS valve 110 according to corresponding control logic, so that the vehicle performs brake control in different modes, and the purpose of keeping the vehicle body stable during the driving process of the vehicle is achieved.
However, since the ASR valve can only increase or decrease the pressure and cannot maintain the pressure, stable control of the fixed pressure is not possible, and if a specific brake pressure of 4 wheels is to be maintained, the ASR valve and the ABS valve need to be operated at the same time, the ASR valve should be in a state of always increasing the pressure, and the ABS valve should be simultaneously pressure-regulated. Therefore, the ABS valve needs to be in a working state for a long time, the service life of the ABS valve is shortened, and the reliability of the system is low.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a commercial vehicle ESC system based on an AEBS relay valve, wherein the AEBS relay valve integrating an ASR valve, a two-way one-way valve and the relay valve is adopted to control the braking pressure of a wheel, the AEBS relay valve has the functions of active boosting, pressure maintaining and pressure reducing, the braking pressure control of the wheel can be directly realized, an ABS valve does not need to work simultaneously during pressure maintaining, the service life of the ABS valve is prolonged, and the reliability of the system is improved.
One of the purposes of the invention is realized by adopting the following technical scheme:
a commercial vehicle ESC system based on an AEBS relay valve, comprising: the device comprises an electric control unit, a brake master valve, an AEBS relay valve group, a pressure sensor, a steering angle sensor, a yaw rate sensor, an ABS electromagnetic valve, a wheel speed sensor and a gear ring; the AEBS relay valve group comprises a front axle AEBS relay valve and a rear axle AEBS relay valve, a right front brake air chamber and a left front brake air chamber are respectively connected with the front axle AEBS relay valve through an ABS electromagnetic valve, a right rear brake air chamber and a left rear brake air chamber are respectively connected with the rear axle AEBS relay valve through an ABS electromagnetic valve, the front axle AEBS relay valve is connected to the brake main valve through a pipeline, the rear axle AEBS relay valve is connected to the pressure sensor through a pipeline, the pressure sensor is connected to the brake main valve through a pipeline, and the brake main valve is connected to a pneumatic control unit through a pipeline; the gear ring and the wheel speed sensor are used for being mounted on the wheels of the automobile to detect the wheel speed of each wheel; the electric control unit is respectively and electrically connected with the steering angle sensor, the yaw rate sensor, the pressure sensor, the front axle AEBS relay valve, the rear axle AEBS relay valve, the ABS electromagnetic valve and the wheel speed sensor.
Further, the pneumatic control unit comprises an air source module, an air cylinder, a hand valve and a parking relay valve, wherein the air cylinder comprises a first air cylinder, a second air cylinder and a third air cylinder, and the air source module is respectively connected to the first air cylinder, the second air cylinder and the third air cylinder through pipelines; the first air cylinder is connected to the hand valve and the parking relay valve through pipelines respectively; the hand valve is also connected to the parking relay valve through a pipeline, and the parking relay valve is respectively connected to a rear right brake air chamber and a rear left brake air chamber through pipelines; the second air cylinder is respectively connected to the brake master valve and the rear axle AEBS relay valve through pipelines; and the third air cylinder is respectively connected to the main brake valve and the front axle AEBS relay valve through pipelines.
Further, the air source module comprises an air compressor and an air processor, the air compressor is connected with the air processor through a pipeline, and the air processor is respectively connected to the first air cylinder, the second air cylinder and the third air cylinder through pipelines.
Furthermore, the front axle AEBS relay valve and the rear axle AEBS relay valve are integrated with an ASR electromagnetic valve, a relay valve and a double-channel one-way valve.
Further, the electric control device also comprises a power supply which is electrically connected with the electric control unit.
Compared with the prior art, the invention has the beneficial effects that:
the AEBS relay valve has the advantages that the ASR valve, the two-way one-way valve and the AEBS relay valve of the relay valve are integrated to replace the ASR valve to control the braking pressure of the wheels, the AEBS relay valve has the functions of active boosting, pressure maintaining and pressure reducing, the braking pressure control of the wheels can be directly realized, and the ABS valve does not need to work simultaneously when pressure maintaining is carried out, so that the service life of the ABS valve is prolonged, and the reliability of the system is improved; in addition, the AEBS relay valve integrates an ASR valve, a two-way check valve and a relay valve, so that the connection of vehicle chassis pipelines is reduced, the material cost and the labor cost are saved, and the AEBS relay valve is simple to install; and the electrical response time of the AEBS relay valve is 5ms, the electrical response time of the ASR valve is more than 20ms, and the ESC needs quick response when being started, so that the AEBS relay valve is quicker to react, and the system is safer.
Drawings
FIG. 1 is a schematic structural diagram of a conventional ESC system for a commercial vehicle;
fig. 2 is a schematic structural diagram of a commercial vehicle ESC system based on an AEBS relay valve provided by the present invention.
Reference numbers of fig. 1: 101. an ECU; 102. a yaw rate sensor; 103. a steering angle sensor; 104. a pressure sensor; 105. a front axle ASR valve; 106. a rear axle ASR valve; 107. a right front ABS valve; 108. a left front ABS valve; 109. a right rear ABS valve; 110. a left rear ABS valve;
reference numerals of fig. 2: 201. an electronic control unit; 202. a master brake valve; 203. a pressure sensor; 204. a steering angle sensor; 205. a yaw rate sensor; 206. an ABS solenoid valve; 207. a wheel speed sensor; 208. a front axle AEBS relay valve; 209. a rear axle AEBS relay valve; 210. a front right brake chamber; 211. a front left brake chamber; 212. a right rear brake chamber; 213. a left rear brake chamber; 214. an air compressor; 215. an air handler; 216. an air cylinder; 217. a hand valve; 218. and (4) parking the relay valve.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Please refer to fig. 2, which is a schematic structural diagram of a commercial vehicle ESC system based on an AEBS relay valve according to the present invention, including: an electronic control unit 201, a brake master valve 202, an AEBS relay valve group, a pressure sensor 203, a steering angle sensor 204, a yaw rate sensor 205, an ABS electromagnetic valve 206, a wheel speed sensor 207 and a gear ring; the AEBS relay valve group comprises a front axle AEBS relay valve 208 and a rear axle AEBS relay valve 209, a front right brake air chamber 210 and a front left brake air chamber 211 are respectively connected with the front axle AEBS relay valve 208 through an ABS electromagnetic valve 206 in a pipeline mode, a rear right brake air chamber 212 and a rear left brake air chamber 213 are respectively connected with the rear axle AEBS relay valve 209 through an ABS electromagnetic valve 206 in a pipeline mode, the front axle AEBS relay valve 208 is connected to the brake main valve 202 through a pipeline, the rear axle AEBS relay valve 209 is connected to the pressure sensor 203 through a pipeline, the pressure sensor 203 is connected to the brake main valve 202 through a pipeline, and the brake main valve 202 is connected to an air control unit through a pipeline; the ring gear and the wheel speed sensor 207 are for mounting on a wheel of a vehicle to detect a wheel speed of each wheel; the electronic control unit 201 is electrically connected to the steering angle sensor 204, the yaw rate sensor 205, the pressure sensor 203, the front axle AEBS relay valve, the rear axle AEBS relay valve, the ABS solenoid valve 206, and the wheel speed sensor 207, respectively. In particular, AEBS relay valves (front axle AEBS relay valve, rear axle AEBS relay valve) integrate an ASR solenoid valve, a relay valve, and a two-channel check valve.
The AEBS relay valve has the advantages that the ASR valve, the two-way one-way valve and the AEBS relay valve of the relay valve are integrated to replace the ASR valve to control the braking pressure of the wheels, the AEBS relay valve has the functions of active boosting, pressure maintaining and pressure reducing, the braking pressure control of the wheels can be directly realized, and the ABS valve does not need to work simultaneously when pressure maintaining is carried out, so that the service life of the ABS valve is prolonged, and the reliability of the system is improved; in addition, the AEBS relay valve integrates an ASR valve, a two-way check valve and a relay valve, so that the connection of vehicle chassis pipelines is reduced, the material cost and the labor cost are saved, and the AEBS relay valve is simple to install; and the electrical response time of the AEBS relay valve is 5ms, the electrical response time of the ASR valve is more than 20ms, and the ESC needs quick response when being started, so that the AEBS relay valve is quicker to react, and the system is safer.
The ESC system works in the following modes:
when a driver operates a steering wheel quickly, the vehicle oversteers or understeers to cause instability of the vehicle body state, at the moment, a steering angle sensor 204 is responsible for transmitting steering information to an electronic control unit 201(ECU) in real time, a yaw rate sensor 205 is responsible for transmitting the vehicle body state information to the ECU in real time, a pressure sensor 203 is responsible for transmitting pressure data to the ECU in real time, the ECU identifies the braking requirement of the vehicle through the information detected by each sensor, then carries out calculation according to a corresponding control strategy, and outputs specific air pressure to different wheels by controlling each AEBS relay valve and each ABS electromagnetic valve 206, so that the braking force of each wheel is controlled. The electronic control is used for braking, so that different braking forces of different wheels can be output, and the purpose of stabilizing the running state of the vehicle is achieved.
For the ABS and ASR functions, the ECU controls the braking force of the front left wheel and the front right wheel of the front axle through the ABS electromagnetic valve 206 according to the gear ring arranged on the front axle wheel and the wheel speed information detected by the wheel speed sensor 207, so as to prevent the front axle wheel from locking; the braking force of the rear axle wheels is controlled through the gear rings arranged on the rear axle wheels and the wheel speed information detected by the wheel speed sensors 207, so that the rear axle wheels are prevented from being locked or slipping, and the whole vehicle is prevented from being locked, sideslipped, even thrown and folded when braking, especially when braking on a wet and slippery road surface.
As a preferred embodiment, the pneumatic control unit includes an air supply module, an air cylinder 216, a hand valve 217 and a parking relay valve 218, the air cylinder 216 includes a first air cylinder, a second air cylinder and a third air cylinder, and the air supply module is respectively connected to the first air cylinder, the second air cylinder and the third air cylinder through pipelines; the first air reservoir is respectively connected to the hand valve 217 and the parking relay valve 218 through pipelines; the hand valve 217 is also connected to the parking relay valve 218 through a pipeline, and the parking relay valve 218 is respectively connected to a rear right brake air chamber and a rear left brake air chamber through pipelines; the second air reservoir is respectively connected to the brake master valve 202 and the rear axle AEBS relay valve through pipelines; the third air reservoir is connected to the master brake valve 202 and the front axle AEBS relay valve through pipelines respectively. Further, the air source module includes an air compressor 214 and an air processor 215, the air compressor 214 is connected to the air processor 215 through a pipeline, and the air processor 215 is connected to the first air cylinder, the second air cylinder and the third air cylinder through pipelines, respectively. Through the structural design, the double-loop design is realized, the conventional braking of the system is not influenced after the ESC function fails, and the safety level is high.
As a preferred embodiment, the system further comprises a power supply, and the power supply is electrically connected with the electronic control unit 201. The power supply is used for supplying power to the whole system. Of course, the power supply can also be directly obtained from the vehicle-mounted power supply, and the additional arrangement of the power supply is not needed.
In conclusion, the scheme provided by the invention is a double-loop design, so that the conventional braking of the system is not influenced after the ESC function fails, and the safety level is high. Compared with the prior art, the invention solves the problems of scattered parts of the whole vehicle, high difficulty in arranging the whole vehicle and the like, has simple arrangement of the whole vehicle and modularized system, and has better economical efficiency and development prospect.
Interpretation of terms:
ESC: an Electronic Stability Control System, ESC, known as Electronic Stability Control System, is a comprehensive strategy for vehicle body Stability Control, and includes an anti-lock braking System (ABS) and an anti-slip System (ASR), which is a functional extension on the basis of these two systems, rather than existing as an independent configuration. The method aims to improve the controllability of the vehicle and prevent a system program which is out of control when the vehicle reaches the dynamic limit of the vehicle, such as the situation that the vehicle is over-steered or under-steered.
ABS: the ABS is called Anti-lock Brake System, and is an active safety device for automobile with the advantages of preventing wheels from locking, shortening the braking distance of the automobile, reducing the abrasion of tires, preventing the automobile from deviating and drifting, and the like.
ASR: the antiskid system is driven.
Electronic Control Unit (ECU): is the core controller of the ESC system. The Electronic Control Unit (ECU) is used for calculating, processing and judging the information input by the sensor according to the programs and data stored in the ECU, and then outputting instructions to provide certain control information for the AEBS relay valve and the ABS electromagnetic valve. The Electronic Control Unit (ECU) is composed of a microcomputer, an input circuit, an output circuit, a control circuit and the like.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (5)
1. A commercial vehicle ESC system based on an AEBS relay valve, comprising: the device comprises an electric control unit, a brake master valve, an AEBS relay valve group, a pressure sensor, a steering angle sensor, a yaw rate sensor, an ABS electromagnetic valve, a wheel speed sensor and a gear ring; the AEBS relay valve group comprises a front axle AEBS relay valve and a rear axle AEBS relay valve, a right front brake air chamber and a left front brake air chamber are respectively connected with the front axle AEBS relay valve through an ABS electromagnetic valve, a right rear brake air chamber and a left rear brake air chamber are respectively connected with the rear axle AEBS relay valve through an ABS electromagnetic valve, the front axle AEBS relay valve is connected to the brake main valve through a pipeline, the rear axle AEBS relay valve is connected to the pressure sensor through a pipeline, the pressure sensor is connected to the brake main valve through a pipeline, and the brake main valve is connected to a pneumatic control unit through a pipeline; the gear ring and the wheel speed sensor are used for being mounted on the wheels of the automobile to detect the wheel speed of each wheel; the electric control unit is respectively and electrically connected with the steering angle sensor, the yaw rate sensor, the pressure sensor, the front axle AEBS relay valve, the rear axle AEBS relay valve, the ABS electromagnetic valve and the wheel speed sensor.
2. The AEBS relay valve-based commercial vehicle ESC system of claim 1 wherein said pneumatic control unit comprises an air supply module, an air cylinder, a hand valve and a parking relay valve, said air cylinder comprising a first air cylinder, a second air cylinder and a third air cylinder, said air supply module being connected to said first air cylinder, said second air cylinder and said third air cylinder by pipes, respectively; the first air cylinder is connected to the hand valve and the parking relay valve through pipelines respectively; the hand valve is also connected to the parking relay valve through a pipeline, and the parking relay valve is respectively connected to a rear right brake air chamber and a rear left brake air chamber through pipelines; the second air cylinder is respectively connected to the brake master valve and the rear axle AEBS relay valve through pipelines; and the third air cylinder is respectively connected to the main brake valve and the front axle AEBS relay valve through pipelines.
3. The AEBS relay valve-based commercial vehicle ESC system of claim 2 wherein said air supply module comprises an air compressor and an air handler, said air compressor being connected to said air handler by tubing, said air handler being connected to said first, second and third air cylinders by tubing, respectively.
4. The AEBS relay valve-based commercial vehicle ESC system of claim 1, wherein the front axle AEBS relay valve and the rear axle AEBS relay valve each integrate an ASR solenoid valve, a relay valve, and a two-way check valve.
5. The AEBS relay valve-based commercial vehicle ESC system of claim 1, further comprising a power supply electrically connected to the electronic control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911107597.9A CN110936940A (en) | 2019-11-13 | 2019-11-13 | Commercial vehicle ESC system based on AEBS relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911107597.9A CN110936940A (en) | 2019-11-13 | 2019-11-13 | Commercial vehicle ESC system based on AEBS relay valve |
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| Publication Number | Publication Date |
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| CN110936940A true CN110936940A (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911107597.9A Pending CN110936940A (en) | 2019-11-13 | 2019-11-13 | Commercial vehicle ESC system based on AEBS relay valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977374A (en) * | 2021-02-26 | 2021-06-18 | 徐工集团工程机械股份有限公司科技分公司 | Pilot type engineering machinery anti-lock brake system and engineering machinery |
| CN113282068A (en) * | 2021-04-06 | 2021-08-20 | 广州瑞立科密汽车电子股份有限公司 | Brake-by-wire system fused with automatic identification algorithm and calibration method thereof |
| CN114013414A (en) * | 2021-08-05 | 2022-02-08 | 东风汽车股份有限公司 | Electronic parking system combined with driving system and control method |
| CN114043972A (en) * | 2021-11-30 | 2022-02-15 | 广州瑞立科密汽车电子股份有限公司 | Control system and control method for pedal-like brake-by-wire of commercial vehicle |
| CN114194161A (en) * | 2021-12-24 | 2022-03-18 | 北汽重型汽车有限公司 | Electric control braking system suitable for medium-weight truck |
| CN115923739A (en) * | 2022-12-13 | 2023-04-07 | 华南农业大学 | Drive-by-wire braking system based on commercial car ABS framework |
-
2019
- 2019-11-13 CN CN201911107597.9A patent/CN110936940A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977374A (en) * | 2021-02-26 | 2021-06-18 | 徐工集团工程机械股份有限公司科技分公司 | Pilot type engineering machinery anti-lock brake system and engineering machinery |
| CN113282068A (en) * | 2021-04-06 | 2021-08-20 | 广州瑞立科密汽车电子股份有限公司 | Brake-by-wire system fused with automatic identification algorithm and calibration method thereof |
| CN113282068B (en) * | 2021-04-06 | 2022-05-24 | 广州瑞立科密汽车电子股份有限公司 | Brake-by-wire system fused with automatic identification algorithm and calibration method thereof |
| CN114013414A (en) * | 2021-08-05 | 2022-02-08 | 东风汽车股份有限公司 | Electronic parking system combined with driving system and control method |
| CN114013414B (en) * | 2021-08-05 | 2022-12-23 | 东风汽车股份有限公司 | Electronic parking system combined with driving system and control method |
| CN114043972A (en) * | 2021-11-30 | 2022-02-15 | 广州瑞立科密汽车电子股份有限公司 | Control system and control method for pedal-like brake-by-wire of commercial vehicle |
| CN114194161A (en) * | 2021-12-24 | 2022-03-18 | 北汽重型汽车有限公司 | Electric control braking system suitable for medium-weight truck |
| CN115923739A (en) * | 2022-12-13 | 2023-04-07 | 华南农业大学 | Drive-by-wire braking system based on commercial car ABS framework |
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