CN114834407B - Vehicle brake pedal simulation device and pedal feel adjustment method - Google Patents
Vehicle brake pedal simulation device and pedal feel adjustment method Download PDFInfo
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- CN114834407B CN114834407B CN202210311166.XA CN202210311166A CN114834407B CN 114834407 B CN114834407 B CN 114834407B CN 202210311166 A CN202210311166 A CN 202210311166A CN 114834407 B CN114834407 B CN 114834407B
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- 238000004088 simulation Methods 0.000 title claims abstract description 8
- 238000000034 method Methods 0.000 title claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
-
- 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
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
- B60T8/409—Systems with stroke simulating devices for driver input characterised by details of the stroke simulating device
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a vehicle brake pedal simulation device, which comprises a brake master cylinder, wherein the brake master cylinder is connected with a pedal simulator through an adjusting pipeline, the pedal simulator is provided with a plurality of cavities, electromagnetic valves and one-way valves corresponding to the number of the cavities of the pedal simulator are arranged in the adjusting pipeline, and braking pressure is built in different cavities of the pedal simulator by controlling the switch of different electromagnetic valves in the adjusting pipeline, so that different combined springs in the pedal simulator provide pedal force, and real-time adjustment of pedal feel is realized.
Description
Technical Field
The invention relates to the field of pedal feel adjusting devices, in particular to a vehicle brake pedal simulation device and a pedal feel adjusting method.
Background
With the development of electric and integrated vehicles, the application of a brake-by-wire system adopting a decoupling electronic booster or an integrated brake controller in the vehicles is remarkably increased. The brake hydraulic pressure established by the driver stepping on the brake pedal in the master cylinder and the brake hydraulic pressure established by the motor booster in the brake loop are decoupled, the pedal stroke of the driver is detected by the pedal stroke sensor, the deceleration of the vehicle is controlled by the linear control brake actuator to meet the preset pedal stroke and deceleration relation curve, and the relation curve of the pedal force and the pedal stroke is determined by the pedal simulator. The pedal simulator needs to accurately and stably simulate the variation of pedal force with pedal stroke, thereby providing a good brake pedal feel to the driver.
The existing pedal feel simulator generally pushes a piston in the pedal simulator to move to compress a multi-stage spring or a disc spring through hydraulic pressure established when a driver presses a brake pedal, and can simulate a pedal force-pedal stroke relation curve of the driver in a sectional mode. The multi-stage spring or the disc spring is designed and selected according to a set pedal force-pedal travel relation curve, so that after hardware type selection is completed, the feeling of pedal force-pedal travel of a driver is fixed, and the driver cannot adapt to the requirement of the driver.
Disclosure of Invention
The invention aims to provide a vehicle brake pedal simulation device and a pedal feel adjusting method, which are used for solving the problem that the pedal feel cannot be adjusted in real time according to the requirement of a driver in the prior art.
In order to solve the technical problems, the invention provides a technical scheme that: a vehicle brake pedal simulation device comprises a brake pedal, a brake master cylinder and a liquid storage tank; the brake master cylinder is internally provided with a first piston and a second piston of the brake master cylinder, wherein the first piston of the brake master cylinder is connected with a brake pedal through a transmission mechanism, the first piston and the second piston of the brake master cylinder are connected through a spring, and the second piston of the brake master cylinder is connected with a cylinder wall of the brake master cylinder through a spring; a first cavity of the brake master cylinder is formed between the first piston and the second piston of the brake master cylinder, and a second cavity of the brake master cylinder is formed between the second piston of the brake master cylinder and the cylinder wall; the liquid storage tank is connected with the first cavity and the second cavity of the brake master cylinder through pipelines;
the second cavity of the brake master cylinder is connected with a first electromagnetic valve through a pipeline, and the first electromagnetic valve is connected with a second loop through a pipeline; the first cavity of the brake master cylinder is connected with a second electromagnetic valve through a pipeline, and the second electromagnetic valve is connected with the first loop through a pipeline;
the brake master cylinder first cavity is connected with a pedal simulator switch electromagnetic valve through a pipeline, the pedal simulator switch electromagnetic valve is connected with a pedal simulator through a pipeline, and two ends of the pedal simulator switch electromagnetic valve are connected with a first one-way valve in parallel through a pipeline; the liquid storage tank is connected with the cavity of the pedal simulator through an adjusting pipeline;
the pedal simulator comprises a pedal simulator cylinder body, one end in the pedal simulator cylinder body is connected with a pedal simulator third piston through a third combined spring, the other end of the pedal simulator third piston is provided with a second piston limiting plate, the second piston limiting plate is connected with a pedal simulator second piston through a second combined spring, the other end of the pedal simulator second piston is provided with a first piston limiting plate, and the first piston limiting plate is connected with a pedal simulator first piston through a first combined spring; the first piston limiting plate and the second piston limiting plate are respectively provided with a through hole, a pedal simulator first cavity is formed between the pedal simulator cylinder body and the pedal simulator first piston, a pedal simulator second cavity is formed between the pedal simulator first piston and the pedal simulator second piston, a pedal simulator third cavity is formed between the pedal simulator second piston and the pedal simulator third piston, and a pedal simulator fourth cavity is formed between the pedal simulator third piston and the pedal simulator cylinder body;
the adjusting pipeline comprises a first adjusting branch, a second adjusting branch and a third adjusting branch; the first regulating branch comprises a third electromagnetic valve and a second one-way valve which are connected in parallel through a pipeline, and one end of the first regulating branch is connected with a second cavity of the pedal simulator through a pipeline; the second regulating branch comprises a fourth electromagnetic valve and a third one-way valve which are connected in parallel through a pipeline, and one end of the second regulating branch is connected with a third cavity of the pedal simulator through a pipeline; the third regulating branch comprises a fifth electromagnetic valve and a fourth one-way valve which are connected in parallel through pipelines, and one end of the third regulating branch is connected with a fourth cavity of the pedal simulator through pipelines.
According to the scheme, the first cavity of the brake master cylinder is connected with a pressure sensor through a pipeline.
A pedal feel adjustment method implemented using the vehicle brake pedal simulator described above, comprising the steps of,
s1, a driver selects a driving mode according to own driving habit, wherein the driving mode comprises a comfort mode, a standard mode and a sport mode;
s2, controlling an electromagnetic valve in the adjusting pipeline according to a driving mode selected by a driver;
the control step of S2 is specifically that,
s201 is performed when the driving mode is the comfort mode, S202 is performed when the driving mode is the standard mode, and S203 is performed when the driving mode is the sport mode;
s201, controlling the third electromagnetic valve to be opened, and closing the fourth electromagnetic valve and the fifth electromagnetic valve;
s202, controlling the fourth electromagnetic valve to be opened, and closing the third electromagnetic valve and the fifth electromagnetic valve;
s203, controlling the fifth electromagnetic valve to be opened, and closing the third electromagnetic valve and the fourth electromagnetic valve.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the pedal feel adjustment method as described above when the computer program is executed.
A computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps of the pedal feel adjustment method as described above.
An automobile having a vehicle brake pedal simulator as described above.
The beneficial effects of the invention are as follows: by controlling the on-off of each electromagnetic valve in each adjusting branch, the brake hydraulic pressure is built in different feedback units, so that spring combinations in different feedback units provide resilience forces with different intensities, and a driver can adjust pedal feel in real time according to actual demands;
further, the number of modes is adjusted by adjusting the number of feedback units, so that the requirement of richer pedal feel of a driver is met.
Further, the feedback units are arranged in a serial mode, so that the pedal simulator is more compact in structure; the feedback units are arranged in parallel, so that the axial occupied space of the pedal simulator can be saved, and the feedback units are more flexibly arranged in the vehicle due to the fact that the feedback units are connected through pipelines.
Drawings
FIG. 1 is a block diagram of a vehicle brake pedal simulator according to an embodiment of the present invention;
FIG. 2 is a flowchart of a pedal feel adjustment method according to an embodiment of the present invention;
FIG. 3 is a graph of pedal travel versus pedal force for various modes of an embodiment of the present invention.
In the figure: 1-brake pedal, 2-brake master cylinder, 3-reservoir, 4-first solenoid valve, 5-second solenoid valve, 6-pressure sensor, 7-pedal simulator switch solenoid valve, 8-first check valve, 9-pedal simulator, 901-pedal simulator first piston, 902-first combination spring, 903-first piston limiting plate, 904-pedal simulator second piston, 905-second combination spring, 906-second piston limiting plate, 907-pedal simulator third piston, 908-third combination spring, 10-third solenoid valve, 11-second check valve, 12-fourth solenoid valve, 13-third check valve, 14-fifth solenoid valve, 15-fourth check valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1, a vehicle brake pedal simulation device includes a brake pedal 1, a brake master cylinder 2, and a reservoir 3; the brake master cylinder 2 is internally provided with a first piston and a second piston of the brake master cylinder, wherein the first piston of the brake master cylinder is connected with a brake pedal 1 through a transmission mechanism, the first piston and the second piston of the brake master cylinder are connected through springs, and the second piston of the brake master cylinder is connected with the cylinder wall of the brake master cylinder 2 through springs; a first cavity of the brake master cylinder is formed between the first piston and the second piston of the brake master cylinder, and a second cavity of the brake master cylinder is formed between the second piston of the brake master cylinder and the cylinder wall; the liquid storage tank 3 is connected with the first cavity and the second cavity of the brake master cylinder through pipelines;
the second cavity of the brake master cylinder is connected with a first electromagnetic valve 4 through a pipeline, and the first electromagnetic valve 4 is connected with a second loop through a pipeline; the first cavity of the brake master cylinder is connected with a second electromagnetic valve 5 through a pipeline, and the second electromagnetic valve 5 is connected with the first loop through a pipeline; wherein the first circuit and the second circuit are in communication with a vehicle braking system;
the first cavity of the brake master cylinder is connected with a pedal simulator switch electromagnetic valve 7 through a pipeline, the pedal simulator switch electromagnetic valve 7 is connected with a pedal simulator 9 through a pipeline, and two ends of the pedal simulator switch electromagnetic valve 7 are connected with a first one-way valve 8 in parallel through a pipeline; the liquid storage tank 3 is connected with a cavity of the pedal simulator 9 through an adjusting pipeline;
the pedal simulator 9 comprises a pedal simulator cylinder, wherein one end in the pedal simulator cylinder is connected with a pedal simulator third piston 907 through a third combined spring 908, the other end of the pedal simulator third piston 907 is provided with a second piston limiting plate 906, the second piston limiting plate 906 is connected with the pedal simulator second piston 906 through a second combined spring 905, the other end of the pedal simulator second piston 904 is provided with a first piston limiting plate 903, and the first piston limiting plate 903 is connected with the pedal simulator first piston 901 through a first combined spring 902; the first piston limiting plate and the second piston limiting plate are respectively provided with a through hole, a pedal simulator first cavity is formed between the pedal simulator cylinder body and the pedal simulator first piston 901, a pedal simulator second cavity is formed between the pedal simulator first piston 901 and the pedal simulator second piston 904, a pedal simulator third cavity is formed between the pedal simulator second piston 904 and the pedal simulator third piston 907, and a pedal simulator fourth cavity is formed between the pedal simulator third piston 907 and the pedal simulator cylinder body;
the adjusting pipeline comprises a first adjusting branch, a second adjusting branch and a third adjusting branch; the first regulating branch comprises a third electromagnetic valve 10 and a second one-way valve 11 which are connected in parallel through pipelines, and one end of the first regulating branch is connected with a second cavity of the pedal simulator through pipelines; the second regulating branch comprises a fourth electromagnetic valve 12 and a third one-way valve 13 which are connected in parallel through pipelines, and one end of the second regulating branch is connected with a third cavity of the pedal simulator through pipelines; the third regulating branch comprises a fifth electromagnetic valve 14 and a fourth one-way valve 15 which are connected in parallel through pipelines, and one end of the third regulating branch is connected with a fourth cavity of the pedal simulator through pipelines.
Further, the first chamber of the master cylinder is connected with a pressure sensor 6 through a pipeline.
Referring to fig. 2, a pedal feel adjustment method implemented using the vehicle brake pedal simulator described above, includes the steps of,
s1, a driver selects a driving mode according to own driving habit, wherein the driving mode comprises a comfort mode, a standard mode and a sport mode;
s2, controlling the electromagnetic valve in the adjusting pipeline according to the driving mode selected by the driver.
Further, the control step of S2 is specifically,
s201 is performed when the driving mode is the comfort mode, S202 is performed when the driving mode is the standard mode, and S203 is performed when the driving mode is the sport mode;
s201, controlling the third electromagnetic valve 10 to be opened, and closing the fourth electromagnetic valve and the fifth electromagnetic valve; at the moment, a second cavity of the pedal simulator is communicated with the liquid storage tank 3, and no brake hydraulic pressure is established in the second cavity of the pedal simulator; the driver presses the brake pedal, brake hydraulic pressure is built in a first cavity of the brake master cylinder and the pedal simulator, the first piston 901 of the pedal simulator is pushed to move the compression spring, and pedal feel feedback is provided for the driver only by the first combined spring 902; the stiffness of the combined spring is designed according to pedal force-pedal travel of comfortable pedal feel, the stiffness of each spring of the combined spring is minimum in a comfortable mode, and the pedal force corresponding to the same pedal travel is minimum;
s202, controlling the fourth electromagnetic valve 12 to be opened, and closing the third electromagnetic valve and the fifth electromagnetic valve; at the moment, the third cavity of the pedal simulator is communicated with the liquid storage tank 3, no braking pressure is established in the third cavity of the pedal simulator, the second cavity of the pedal simulator is disconnected from the liquid storage tank 3, and then braking hydraulic pressure is established in the second cavity of the pedal simulator; the driver presses the brake pedal, brake hydraulic pressure is built in a first cavity of the pedal simulator, the first piston 901 of the pedal simulator is pushed to move, the displacement amounts of the first piston and the second piston of the pedal simulator are the same due to incompressibility of liquid, the second piston 904 of the pedal simulator moves to compress the second combined spring 905, and the deformation of the first combined spring and the second combined spring jointly provide pedal feel feedback for the driver; in the standard mode, the total stiffness curve of the first and second combination springs is designed according to the pedal force-pedal stroke of the standard pedal feel, the stiffness of the second combination spring 905 compensates the stiffness of the first combination spring 902, and the combined action meets the total stiffness curve.
S203, controlling the fifth electromagnetic valve 14 to be opened, and controlling the third electromagnetic valve and the fourth electromagnetic valve to be closed; at the moment, a fourth cavity of the pedal simulator is communicated with the liquid storage tank 3, braking pressure is not established in the fourth cavity of the pedal simulator, the second cavity and the third cavity of the pedal simulator are disconnected from the liquid storage tank 3, and braking hydraulic pressure is established in the second cavity and the third cavity of the pedal simulator; the driver presses the brake pedal to push the first, second and third pistons of the pedal simulator to move forwards, the displacement amounts of the first, second and third pistons of the pedal simulator are the same, the third piston 907 of the pedal simulator compresses the third combined spring 908, and the first, second and third combined springs of the pedal simulator deform to provide pedal feel feedback for the driver; in the sport mode, the total stiffness curves of the first, second and third combination springs are designed according to pedal force-pedal stroke of the sport pedal feel, and the stiffness of the third combination spring 908 compensates the stiffness of the first and second combination springs so that the combined action stiffness meets the total stiffness curve.
The pedal travel and pedal force for each mode corresponds to that shown in fig. 3.
Further, the diameters of the first piston, the second piston and the third piston of the pedal simulator are the same; in other embodiments, the diameters of the springs may be different, in which case the springs are designed such that the stiffness of the first, second and third springs is located in a certain section of the pedal stroke-pedal force when the pedal stroke is located in that section.
Further, in other embodiments of the present invention, an increase in the number of pedal feel modes can be achieved by increasing the number of cavities in the pedal simulator 9 and the number of adjustment branches of the adjustment line.
Further, in the present embodiment, the cavities of the pedal simulator 9 are arranged in series, and in other embodiments of the present invention, the cylinders of the pedal simulator 9 are arranged in parallel, and the different cavities are connected by a pipeline, so that the axial length of the pedal simulator 9 is reduced, and the space arrangement is facilitated.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the pedal feel adjustment method as described above when the computer program is executed.
A computer readable storage medium having stored thereon a computer program which when executed by a processor implements the steps of the pedal feel adjustment method as described above.
An automobile having a vehicle brake pedal simulator as described above.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. A vehicle brake pedal simulator characterized in that: the brake pedal comprises a brake pedal body, a brake master cylinder and a liquid storage tank; the brake master cylinder is internally provided with a first piston and a second piston of the brake master cylinder, wherein the first piston of the brake master cylinder is connected with a brake pedal through a transmission mechanism, the first piston and the second piston of the brake master cylinder are connected through a spring, and the second piston of the brake master cylinder is connected with a cylinder wall of the brake master cylinder through a spring; a first cavity of the brake master cylinder is formed between the first piston and the second piston of the brake master cylinder, and a second cavity of the brake master cylinder is formed between the second piston of the brake master cylinder and the cylinder wall; the liquid storage tank is connected with the first cavity and the second cavity of the brake master cylinder through pipelines;
the second cavity of the brake master cylinder is connected with a first electromagnetic valve through a pipeline, and the first electromagnetic valve is connected with a second loop through a pipeline; the first cavity of the brake master cylinder is connected with a second electromagnetic valve through a pipeline, and the second electromagnetic valve is connected with the first loop through a pipeline;
the brake master cylinder first cavity is connected with a pedal simulator switch electromagnetic valve through a pipeline, the pedal simulator switch electromagnetic valve is connected with a pedal simulator through a pipeline, and two ends of the pedal simulator switch electromagnetic valve are connected with a first one-way valve in parallel through a pipeline; the liquid storage tank is connected with the cavity of the pedal simulator through an adjusting pipeline;
the pedal simulator comprises a pedal simulator cylinder body, one end in the pedal simulator cylinder body is connected with a pedal simulator third piston through a third combined spring, the other end of the pedal simulator third piston is provided with a second piston limiting plate, the second piston limiting plate is connected with a pedal simulator second piston through a second combined spring, the other end of the pedal simulator second piston is provided with a first piston limiting plate, and the first piston limiting plate is connected with a pedal simulator first piston through a first combined spring; the first piston limiting plate and the second piston limiting plate are respectively provided with a through hole, a pedal simulator first cavity is formed between the pedal simulator cylinder body and the pedal simulator first piston, a pedal simulator second cavity is formed between the pedal simulator first piston and the pedal simulator second piston, a pedal simulator third cavity is formed between the pedal simulator second piston and the pedal simulator third piston, and a pedal simulator fourth cavity is formed between the pedal simulator third piston and the pedal simulator cylinder body;
the adjusting pipeline comprises a first adjusting branch, a second adjusting branch and a third adjusting branch; the first regulating branch comprises a third electromagnetic valve and a second one-way valve which are connected in parallel through a pipeline, and one end of the first regulating branch is connected with a second cavity of the pedal simulator through a pipeline; the second regulating branch comprises a fourth electromagnetic valve and a third one-way valve which are connected in parallel through a pipeline, and one end of the second regulating branch is connected with a third cavity of the pedal simulator through a pipeline; the third regulating branch comprises a fifth electromagnetic valve and a fourth one-way valve which are connected in parallel through a pipeline, and one end of the third regulating branch is connected with a fourth cavity of the pedal simulator through a pipeline;
the driving mode includes a comfort mode, a standard mode, and a sport mode; when the driving mode is a comfort mode, the third electromagnetic valve is controlled to be opened, and the fourth electromagnetic valve and the fifth electromagnetic valve are controlled to be closed; when the driving mode is the standard mode, the fourth electromagnetic valve is controlled to be opened, and the third electromagnetic valve and the fifth electromagnetic valve are controlled to be closed; when the driving mode is the movement mode, the fifth electromagnetic valve is controlled to be opened, and the third electromagnetic valve and the fourth electromagnetic valve are controlled to be closed.
2. The vehicle brake pedal simulator of claim 1, wherein: the first cavity of the brake master cylinder is connected with a pressure sensor through a pipeline.
3. A pedal feel adjustment method implemented by the vehicle brake pedal simulation apparatus according to any one of claims 1 to 2, characterized in that: comprises the steps of,
s1, a driver selects a driving mode according to own driving habit, wherein the driving mode comprises a comfort mode, a standard mode and a sport mode;
s2, controlling an electromagnetic valve in the adjusting pipeline according to a driving mode selected by a driver;
the control step of S2 is specifically that,
s201 is performed when the driving mode is the comfort mode, S202 is performed when the driving mode is the standard mode, and S203 is performed when the driving mode is the sport mode;
s201, controlling the third electromagnetic valve to be opened, and closing the fourth electromagnetic valve and the fifth electromagnetic valve;
s202, controlling the fourth electromagnetic valve to be opened, and closing the third electromagnetic valve and the fifth electromagnetic valve;
s203, controlling the fifth electromagnetic valve to be opened, and closing the third electromagnetic valve and the fourth electromagnetic valve.
4. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, characterized by: the processor, when executing the computer program, implements the steps of the pedal feel adjustment method according to claim 3.
5. A computer-readable storage medium having stored thereon a computer program, characterized by: the computer program when executed by a processor implements the steps of the pedal feel adjustment method according to claim 3.
6. An automobile, characterized in that: having a vehicle brake pedal simulator as defined in claim 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210311166.XA CN114834407B (en) | 2022-03-28 | 2022-03-28 | Vehicle brake pedal simulation device and pedal feel adjustment method |
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| CN202210311166.XA CN114834407B (en) | 2022-03-28 | 2022-03-28 | Vehicle brake pedal simulation device and pedal feel adjustment method |
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| CN114834407B true CN114834407B (en) | 2024-01-30 |
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| CN115339425B (en) * | 2022-08-18 | 2024-03-01 | 浙江吉利控股集团有限公司 | Brake device, brake adjustment method, and vehicle |
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| DE10159789C1 (en) * | 2001-12-05 | 2003-04-17 | Daimler Chrysler Ag | Electrohydraulic braking device has braking fluid fed back to auxiliary braking circuit upon electrohydraulic component failure |
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| CN101879891A (en) * | 2010-06-29 | 2010-11-10 | 浙江亚太机电股份有限公司 | Simulator for feeling automobile brake pedal |
| CN201712594U (en) * | 2010-06-29 | 2011-01-19 | 浙江亚太机电股份有限公司 | Automobile brake pedal sense simulator |
| WO2012028568A1 (en) * | 2010-08-30 | 2012-03-08 | Continental Teves Ag & Co. Ohg | Actuating module for a brake system |
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| CN112208501A (en) * | 2020-10-10 | 2021-01-12 | 清华大学 | Brake pedal feel simulation device and method based on controllable variable-stiffness hydraulic cylinder |
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