CN118182420B - Electronic braking system and control method - Google Patents
Electronic braking system and control method Download PDFInfo
- Publication number
- CN118182420B CN118182420B CN202410613685.0A CN202410613685A CN118182420B CN 118182420 B CN118182420 B CN 118182420B CN 202410613685 A CN202410613685 A CN 202410613685A CN 118182420 B CN118182420 B CN 118182420B
- Authority
- CN
- China
- Prior art keywords
- pressure
- backup
- module
- valve
- building
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000001603 reducing effect Effects 0.000 claims abstract description 39
- 238000002955 isolation Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 239000013589 supplement Substances 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102100034112 Alkyldihydroxyacetonephosphate synthase, peroxisomal Human genes 0.000 description 1
- 101000799143 Homo sapiens Alkyldihydroxyacetonephosphate synthase, peroxisomal Proteins 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000000848 angular dependent Auger electron spectroscopy Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses an electronic braking system and a control method, comprising the following steps: the pedal assembly module sends a control signal to the pressure building module, the pressure building module is used for performing pressure building, pressure maintaining and pressure reducing control on wheels of the automobile, and the wheels comprise two front wheels and two rear wheels; the backup module is used for monitoring hydraulic pressure signals generated by the pressure building module in the control process and assisting in hydraulic pressure control and backup pressure building of the front wheels of the automobile; the building module includes: the liquid storage tank is connected with the active pressure building mechanism, and the output end of the active pressure building mechanism is provided with at least one isolation valve for controlling the brake liquid to quickly back and supplement liquid; the backup module is provided with two backup pressure reducing valves which are connected with the plunger pump in parallel; when the building-up module fails in a motor and the like but the electromagnetic valve is available, the backup module can be matched with the electromagnetic valve of the building-up module to realize the functions of redundant power-assisted braking, redundant anti-lock and redundant vehicle body stable control for four wheels.
Description
Technical Field
The invention relates to the field of automobile chassis braking systems, in particular to an electronic braking system and a control method.
Background
With the continued advancement of automotive technology, integrated brake systems have been invented to replace the capabilities and functions that can be achieved by the combination of vacuum booster and ESC/ABS systems.
When the system fails and is in a mechanical backup mode, the electromagnetic valve coil and the active pressure-building mechanism do not work, a driver presses a brake pedal, and brake fluid generates brake pressure under the action of manpower of the driver and enters each wheel cylinder to generate braking force;
In the braking process, due to the mass center transfer and safety design of the vehicle, the front wheels are generally responsible for significantly larger braking force than the rear wheels, so that the rear wheels tend to generate locking tendency due to the excessively high braking force, and for a system without a backup module, the system is dependent on the pressure input of a driver, and the unstable vehicle is possibly locked due to insufficient braking or excessively high braking force;
For systems equipped with conventional backup modules, the design of the backup brake module is affected because the driver's pressure input is transmitted directly downstream.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an electronic brake system and a control method.
In order to achieve the above purpose, the present invention adopts the following technical scheme: an electric brake system, comprising:
A pedal assembly module;
The pedal assembly module sends a control signal to the pressure building module, the pressure building module is used for performing pressure building, pressure maintaining and pressure reducing control on wheels of an automobile, and the wheels comprise two front wheels and two rear wheels;
the backup module is used for monitoring hydraulic pressure signals generated by the pressure building module in the control process and assisting in hydraulic pressure control and backup pressure building of the front wheels of the automobile;
The building module includes: the liquid storage tank is connected with the active pressure building mechanism, and the output end of the active pressure building mechanism is provided with at least one isolation valve for controlling the brake liquid to quickly fall back for replenishing liquid;
the backup module is provided with two backup pressure reducing valves which are connected with the plunger pump in parallel.
As a further description of the above technical solution: the building module includes: the isolation valves are arranged in two, any one isolation valve is connected with two booster valves, the booster valves are respectively connected with the front wheel and the rear wheel in series, and the booster valves are also connected with one-way valves in parallel.
As a further description of the above technical solution: the pedal assembly module includes: the brake pedal is connected with the pedal simulator through a first sensor, and the first sensor sends collected displacement signals and pressure signals to the pressure building module.
As a further description of the above technical solution: and pressure reducing valves are connected in parallel between the pressure increasing valve and the liquid storage tank, and the pressure reducing valves are four.
As a further description of the above technical solution: the backup module is connected with the liquid storage tank and comprises a second sensor, and the second sensor is connected with any front wheel.
As a further description of the above technical solution: the backup module further comprises an integrated valve, the integrated valve is connected with the output end of the booster valve in series, and two integrated valves are arranged.
As a further description of the above technical solution: the backup module further comprises a backup pressure building motor, plunger pumps are arranged on two sides of the backup pressure building motor, and the plunger pumps are connected with one-way valves on one side of the integrated valve in series.
As a further description of the above technical solution: the liquid storage tank is connected with the backup pressure reducing valves, two backup pressure reducing valves are arranged, the input end of each backup pressure reducing valve is connected with the front wheel, and the output end of each backup pressure reducing valve is connected with the liquid storage tank.
The control method is suitable for the brake system in any one of the technical schemes, and comprises the following steps:
When pressurizing is required, the backup voltage-build motor starts to work, the plunger pump is driven to build hydraulic pressure on the front wheel, and meanwhile, the isolation valve is controlled to be closed, so that the hydraulic pressure built in the backup module can reach the rear wheel along the pressurizing valves corresponding to the front wheel and the rear wheel;
When the pressure is required to be reduced for the rear wheels, the corresponding pressure increasing valve of the rear wheels is closed, and the pressure reducing valve is opened, so that the pressure reduction of the independent rear wheels is realized, and the pressure control of the front wheels is not influenced;
When the front wheels need to be depressurized independently, the pressurizing valves corresponding to the front wheels are closed for isolating the pressure of the rear wheels, and the depressurizing valves corresponding to the front wheels are opened or the backup depressurizing valves are opened to realize depressurization for the independent front wheels.
As a further description of the above technical solution: further comprises:
When pressure maintaining is required, the corresponding pressure-increasing valve of the rear wheel is closed, so that the pressure maintaining of the independent rear wheel is realized; when the front wheel needs to maintain pressure, the backup voltage-build motor is stopped or the isolation valve is used for line control voltage regulation.
The technical scheme has the following advantages or beneficial effects:
1. When the build-up module fails in a motor and the like but the electromagnetic valve is available, the backup module can be matched with the electromagnetic valve of the build-up module to realize the functions of redundant power-assisted braking, redundant anti-lock and redundant vehicle body stable control for four wheels, and the boosting, pressure maintaining and pressure reducing actions of each wheel can be independently controlled through the isolating valve, the pressure increasing valve and the pressure reducing valve to backup the braking pressure of each wheel.
2. When the pressure building module is completely disabled, the backup module is matched with the electromagnetic valve of the pressure building module to realize the functions of redundant power-assisted braking, redundant anti-lock and redundant vehicle body stability control for the front wheel, and the EPB control interface is called to realize the functions of redundant power-assisted braking, redundant anti-lock and redundant vehicle body stability control for the rear wheel.
Drawings
Fig. 1 is a hydraulic schematic diagram of an electric brake system according to the present invention.
Legend description:
1. a pedal assembly module; 2. building a pressure module; 3. a backup module; 4. a front wheel; 5. a rear wheel; 6. a liquid storage tank; 7. an active pressure building mechanism; 8. an isolation valve; 9. a backup pressure reducing valve; 10. a plunger pump; 11. a pressure increasing valve; 12. a brake pedal; 13. a first sensor; 14. a pedal simulator; 15. a pressure reducing valve; 16. a second sensor; 17. an integrated valve; 18. and backing up the voltage-building motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, one embodiment provided by the present invention: an electric brake system, comprising: a pedal assembly module 1; the pedal assembly module 1 sends a control signal to the pressure building module 2, the pressure building module 2 is used for building pressure, maintaining pressure and reducing pressure on wheels of an automobile, and the wheels comprise two front wheels 4 and two rear wheels 5; the backup module 3 monitors hydraulic pressure signals generated by the pressure building module 2 in the control process and assists in hydraulic pressure control and backup pressure building of the front wheels 4 of the automobile; the pressure building module 2 includes: the liquid storage tank 6 is connected with an active pressure-building mechanism 7, and at least one isolation valve 8 is arranged at the output end of the active pressure-building mechanism 7 to control the brake liquid to quickly retract and supplement liquid; the backup module 3 is provided with two backup pressure reducing valves 9, and the backup pressure reducing valves 9 are connected with a plunger pump 10 in parallel; the pressure building module 2 includes: the isolation valves 8 are arranged in two, any one isolation valve 8 is connected with two booster valves 11, the booster valves 11 are connected with the front wheel 4 and the rear wheel 5 in series respectively, and the booster valves 11 are also connected with one-way valves in parallel.
In the embodiment, by arranging the isolation valve 8 at the output end of the active pressure-building mechanism 7 to distinguish the unilateral wheels of the automobile, under the condition that the isolation valve 8 meets the requirements of flow, response and leakage due to the size, weight and function requirement difference of different automobile types, two isolation valves 8 can be selected to respectively control two wheels, a single isolation valve 8 is connected with two pressure-increasing valves 11, a single isolation valve 8 can be selected to control four wheels, a single isolation valve 8 is connected with four pressure-increasing valves 11, the application preferably adopts two isolation valves 8 to respectively control the unilateral front wheels 4 and the unilateral rear wheels 5 of the automobile and controls the unilateral wheels through the pressure-increasing valves 11 and the pressure-reducing valves 12, the isolation valve 8 can also perform auxiliary system self-checking, if the active pressure building mechanism 7 is degraded but the isolation valve 8 is not degraded, the backup module 3 can be assisted to work together to apply hydraulic braking force to the rear wheel 5, when the pressure building module fails in a motor and the like but the electromagnetic valve is available, the backup module 3 can cooperate with the electromagnetic valve of the pressure building module 2 to realize redundant power-assisted braking, redundant anti-blocking and redundant vehicle body stable control functions for four wheels, and the pressurizing, pressure maintaining and pressure reducing actions of each wheel can be independently controlled through the isolation valve 8, the pressure increasing valve 11 and the pressure reducing valve 15 to backup the braking pressure of each wheel.
The active pressure building mechanism 7 comprises a motor, a transmission mechanism and a plunger, wherein the motor is a power source, the transmission mechanism converts the rotary motion of the motor into proper linear motion and pushes a plunger piston to build pressure, and the plunger pressurizes brake fluid and transmits the brake fluid to each wheel to realize braking.
The pedal assembly module 1 includes: the brake pedal 12, the brake pedal 12 is connected with the pedal simulator 14 through the first sensor 13, and the first sensor 13 sends the collected displacement signal and pressure signal to the pressure building module 2.
In this embodiment, the pedal assembly module 1 collects the braking requirement of the driver and sends the braking requirement to the pressure building module 2, the first sensor 13 is a displacement sensor or a pressure sensor, and is connected with the brake pedal 12, and the function of the first sensor is to collect the braking intention of the driver, and the speed and the force of the driver pressing the brake pedal are collected through the displacement sensor or the pressure sensor to comprehensively judge the magnitude and the speed of the required braking. To achieve the ability to support redundant power braking, the displacement sensor and the pressure sensor may be powered independently in two ways.
The pedal simulator 14 provides a feel of a foot similar to a conventional brake system, and may be configured by one or more combinations of springs, reed, hydraulic dampers, rubber, etc., to transmit force to the foot of a driver through the pedal, and may simulate the displacement and pressure generated by the depression of an actual brake pedal during braking.
The pressure-increasing valve 11 and the pressure-reducing valve 15 are connected in parallel between the pressure-increasing valve 11 and the liquid storage tank 6, the pressure-reducing valves 15 are four, the pressure-increasing, pressure-maintaining and pressure-reducing actions of each wheel can be independently controlled through designing the pressure-increasing valve 11 and the pressure-reducing valve 15, and the support system realizes an anti-lock function and a vehicle body stability control function.
When the pressure building module 2 is completely disabled, the backup module 3 can realize the hydraulic redundancy booster braking, redundancy anti-lock and redundancy vehicle body stability control functions of the front wheels 4. For a vehicle with the rear wheel 5 provided with an EPB (electronic parking system) module, the backup module 3 can send out related control instructions to realize the functions of redundant power-assisted braking, redundant anti-lock and redundant vehicle body stability control of the rear wheel 5; for a vehicle in which the EPB (electronic parking system) module is not disposed on the rear wheels 5, redundant control of the above functions is performed only depending on the hydraulic control of the front wheels 4.
The backup module 3 is connected with the liquid storage tank 6, and the backup module 3 comprises a second sensor 16, and the second sensor 16 is connected with any front wheel 4.
In this embodiment, the reservoir tank 6 is used for storing brake fluid, providing brake fluid required for braking and containing brake fluid discharged when the wheel is depressurized by the pressure reducing valve, and the second sensor 16 is a pressure sensor for collecting hydraulic pressure generated by the pressure building module 2, and assisting in performing system diagnostic functions such as pressure control and hydraulic leakage.
The backup module 3 further comprises an integrated valve 17, the integrated valve 17 is connected with the output end of the booster valve 11 in series, and the integrated valve 17 is provided with two valves; the outside of the integrated valve 17 is connected with a one-way valve in parallel.
The backup module 3 further comprises a backup voltage-building motor 18, plunger pumps 10 are arranged on two sides of the backup voltage-building motor 18, and the plunger pumps 10 are connected in series with a one-way valve on one side of the integrated valve 17; the liquid storage tank 6 is connected with the backup pressure reducing valves 9, two backup pressure reducing valves 9 are arranged, the input end of each backup pressure reducing valve 9 is connected with the front wheel 4, and the output end of each backup pressure reducing valve is connected with the liquid storage tank 6.
In this embodiment, the brake fluid can flow freely from the reservoir 6 to the plunger pump 10, and since the single front wheel 4 is independently provided with the integrated valve 17 and the backup pressure reducing valve 18, the hydraulic pressure of the two front wheels 4 can be independently regulated, including pressure increasing, pressure reducing and pressure maintaining, so that the brake fluid has backup capability for the brake boosting, anti-lock function and vehicle body stability control function of the front wheels 4.
The control method is suitable for any one of the brake systems in the technical scheme, and comprises the following steps:
When pressurizing is required, the backup pressure-building motor 18 is started to work, the plunger pump 10 is driven to build hydraulic pressure on the front wheel 4, and meanwhile, the isolation valve 8 is controlled to be closed, so that the hydraulic pressure built in the backup module 3 can reach the position of the rear wheel 5 along the pressurizing valve 11 corresponding to the front wheel and the rear wheel;
When the pressure is required to be reduced for the rear wheels 5, the corresponding pressure increasing valve 11 of the rear wheels 5 is closed, and the pressure reducing valve 15 is opened, so that the pressure reduction of the independent rear wheels is realized, and the pressure control of the front wheels is not influenced;
when the front wheels 4 need to be depressurized singly, the pressurizing valves 11 corresponding to the front wheels 4 are closed for isolating the pressure of the rear wheels 5, and the depressurizing valves 15 corresponding to the front wheels 4 or the backup depressurizing valves 9 are opened to realize depressurization of the independent front wheels 4.
When pressure maintaining is required, the corresponding booster valve 11 of the rear wheel 5 is closed, so that the pressure maintaining of the independent rear wheel 5 is realized; when the front wheel needs to maintain pressure, the backup pressure-building motor 18 is stopped or the isolation valve 8 is used for wire control pressure regulation.
In this embodiment, when the boost is required, the backup pressure build-up motor 18 is started to operate to drive the plunger pump 10 to build up hydraulic pressure, and the integrated valve 17 is electrically controlled according to the magnitude and the variation trend of the required brake pressure.
When a small-amplitude pressure reduction is required, the integrated valve 17 can be enabled to reduce current to realize opening control or fully open the valve core to reduce pressure. When the pressure is required to be reduced greatly, the backup pressure reducing valve 9 can be electrified to open the valve core for pressure reduction.
When pressure maintaining is required, the actions of the integrated valve 17 and the backup voltage-build motor 18 can be coordinated and controlled, so that constant pressure control for a single wheel is realized.
Further, when normal braking is performed, a braking intention is obtained from the pedal assembly module 1 or from the whole-vehicle ADAS controller, braking pressure is generated through the active pressure-building mechanism 7 of the pressure-building module 2, and if the working conditions such as ABS or VDC trigger, the active pressure-building mechanism 7 of the pressure-building module 2 is matched with the pressure-increasing valve 11 and the pressure-reducing valve 15 to realize independent pressure control on four wheels.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (1)
1. An electric brake system, comprising:
A pedal assembly module (1);
the pedal assembly module (1) sends a control signal to the pressure building module (2), and the pressure building module (2) is used for performing pressure building, pressure maintaining and pressure reducing control on wheels of an automobile, wherein the wheels comprise two front wheels (4) and two rear wheels (5);
The backup module (3) is used for monitoring hydraulic pressure signals generated by the pressure building module (2) in the control process and assisting in hydraulic pressure control and backup pressure building of the front wheels (4) of the automobile;
The pressure building module (2) comprises: the brake fluid quick-return device comprises a liquid storage tank (6), wherein the liquid storage tank (6) is connected with an active pressure-building mechanism (7), and at least one isolation valve (8) is arranged at the output end of the active pressure-building mechanism (7) to control brake fluid to quickly return and supplement fluid;
The backup module (3) is provided with two backup pressure reducing valves (9), and the backup pressure reducing valves (9) are connected with the plunger pump (10) in parallel;
the pressure building module (2) comprises: the two isolation valves (8) are arranged, any one isolation valve (8) is connected with two pressure boosting valves (11), the pressure boosting valves (11) are connected with the front wheel (4) and the rear wheel (5) in series respectively, and the pressure boosting valves (11) are also connected with one-way valves in parallel;
The pedal assembly module (1) comprises: a brake pedal (12), wherein the brake pedal (12) is connected with a pedal simulator (14) through a first sensor (13), and the first sensor (13) sends acquired displacement signals and pressure signals to the pressure building module (2);
a pressure reducing valve (15) is connected in parallel between the pressure increasing valve (11) and the liquid storage tank (6), and the pressure reducing valves (15) are provided with four valves;
The backup module (3) further comprises an integrated valve (17), the integrated valve (17) is connected with the output end of the booster valve (11) in series, and the integrated valve (17) is provided with two valves;
When pressurizing is required, the backup voltage-build motor (18) starts to work, the plunger pump (10) is driven to build hydraulic pressure on the front wheel (4), and meanwhile, the isolation valve (8) is controlled to be closed, so that the hydraulic pressure built in the backup voltage-build module (3) can reach the position of the rear wheel (5) along the corresponding pressurizing valves (11) of the front wheel and the rear wheel;
When the pressure of the rear wheel (5) is required to be reduced, the corresponding pressure increasing valve (11) of the rear wheel (5) is closed, and the pressure reducing valve (15) is opened, so that the pressure of the independent rear wheel is reduced, and the pressure control of the front wheel is not influenced;
when the front wheel (4) needs to be depressurized singly, closing a pressurizing valve (11) corresponding to the front wheel (4) for isolating the pressure of the rear wheel (5), and opening a depressurizing valve (15) or a backup depressurizing valve (9) corresponding to the front wheel (4) to depressurize the front wheel (4) singly;
When pressure maintaining is required, the corresponding pressurizing valve (11) of the rear wheel (5) is closed, so that the pressure maintaining of the independent rear wheel (5) is realized; when the front wheel needs to maintain pressure, the backup voltage-building motor (18) is stopped or the isolation valve (8) is used for wire control voltage regulation;
The backup module (3) is connected with the liquid storage tank (6), the backup module (3) comprises a second sensor (16), and the second sensor (16) is connected with any front wheel (4);
The backup module (3) further comprises a backup voltage-building motor (18), and plunger pumps (10) are arranged on two sides of the backup voltage-building motor (18);
The liquid storage tank (6) is connected with the backup pressure reducing valves (9), two backup pressure reducing valves (9) are arranged, the input end of each backup pressure reducing valve (9) is connected with the front wheel (4), and the output end of each backup pressure reducing valve is connected with the liquid storage tank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410613685.0A CN118182420B (en) | 2024-05-17 | 2024-05-17 | Electronic braking system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410613685.0A CN118182420B (en) | 2024-05-17 | 2024-05-17 | Electronic braking system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118182420A CN118182420A (en) | 2024-06-14 |
| CN118182420B true CN118182420B (en) | 2024-09-17 |
Family
ID=91401936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410613685.0A Active CN118182420B (en) | 2024-05-17 | 2024-05-17 | Electronic braking system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118182420B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118387068B (en) * | 2024-06-28 | 2024-10-29 | 千顾汽车科技(江苏)有限公司 | Redundant electrohydraulic braking system for motor vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565838A (en) * | 2023-11-27 | 2024-02-20 | 辰致科技有限公司 | Wire control hydraulic brake control system with redundant brake |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4297151B2 (en) * | 2006-10-05 | 2009-07-15 | トヨタ自動車株式会社 | Brake control device |
| CN112776770B (en) * | 2019-11-08 | 2022-06-14 | 比亚迪股份有限公司 | Vehicle brake system and control method thereof |
| CN113264022B (en) * | 2021-07-07 | 2022-12-02 | 中汽创智科技有限公司 | Braking system with redundancy function |
| CN116022111A (en) * | 2022-12-21 | 2023-04-28 | 上海千顾汽车科技有限公司 | Integrated braking system with improved electromagnetic valve design |
-
2024
- 2024-05-17 CN CN202410613685.0A patent/CN118182420B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117565838A (en) * | 2023-11-27 | 2024-02-20 | 辰致科技有限公司 | Wire control hydraulic brake control system with redundant brake |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118182420A (en) | 2024-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11919490B2 (en) | Hydraulic motor vehicle braking system and method for operating same | |
| CN111971213B (en) | Hydraulic brake system for motor vehicle | |
| CN107458365B (en) | Decoupled brake-by-wire system and control method thereof | |
| CN107444365B (en) | Electronic line control brake system | |
| CN106891878B (en) | Motor-driven electronic hydraulic brake system with improved master cylinder | |
| CN109204262B (en) | Electronic hydraulic braking system with double power sources and hydraulic failure backup function | |
| US20210146900A1 (en) | Hydraulic motor vehicle braking system and method for operating same | |
| CN109927698A (en) | A kind of line traffic control electro-hydraulic brake system and braking method | |
| CN102099231A (en) | Brake system for motor vehicles | |
| CN111284465A (en) | Braking system suitable for automatic driving and control method | |
| US20090230762A1 (en) | Brake System for Motor Vehicles | |
| CN105946837A (en) | Electronic hydraulic braking system with multiple working modes | |
| CN118182420B (en) | Electronic braking system and control method | |
| JP2005511384A (en) | An electrohydraulic braking system with a pedal stroke simulator comprising a spring-loaded cylinder and a mechanically coupled pressure piston | |
| CN104709263A (en) | Braking system with combined function of drive-by-wire and power-assisting and with manpower-magnification action | |
| CN110758365A (en) | Integrated brake-by-wire system for vehicle | |
| CN109927692A (en) | A kind of vehicle integration electric servo brake system | |
| CN113966290B (en) | Brake system and control method of brake system | |
| CN112896124A (en) | Power assisting system and braking method | |
| CN109733356B (en) | Force simulator and electronic hydraulic brake system formed by same | |
| US20120091786A1 (en) | Vehicle Hydraulic Brake System with Wheel Slip Control | |
| CN103260971B (en) | Pressure transfer device, energy assisted braking system and method for vehicle | |
| CN113561954B (en) | Hydraulic control unit for a brake system in a motor vehicle, brake system and control method | |
| CN111891102A (en) | Hydraulic balanced brake system for vehicle | |
| CN117584909A (en) | Redundant braking system for vehicle, control method and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |