CN115143279A

CN115143279A - Friction plate abrasion processing method, device, equipment and medium applied to vehicle

Info

Publication number: CN115143279A
Application number: CN202210743055.6A
Authority: CN
Inventors: 李磊; 刘冬雨; 于善勇; 官浩
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-04

Abstract

The invention discloses a method, a device, equipment and a medium for processing wear of a friction plate applied to a vehicle. The method comprises the following steps: when a friction plate abrasion early warning signal is received, determining the friction attenuation coefficient of a brake and the current liquid discharge amount information of brake fluid; determining a speed limit strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information; and controlling the target vehicle based on the speed limit strategy. Based on the technical scheme, the corresponding processing strategy is obtained according to the early warning signal after the early warning signal is received, and then the vehicle is controlled based on the processing strategy, so that the technical effect of improving the safety of the vehicle is achieved, and the safety of a user is protected as much as possible.

Description

Friction plate abrasion processing method, device, equipment and medium applied to vehicle

Technical Field

The invention relates to the technical field of vehicle control, in particular to a friction plate abrasion processing method, a friction plate abrasion processing device, friction plate abrasion processing equipment and a friction plate abrasion processing medium applied to a vehicle.

Background

In the process of running of the vehicle, when a user needs to brake, the running speed of the vehicle can be reduced by a method of clamping the friction plate, but in the process of braking, the friction plate is often quickly abraded, and the performance of the brake pad is further reduced.

However, in the prior art, after the abrasion of the friction plate is detected, only corresponding alarm information is sent to a user, no processing strategy is provided, and the safety of the vehicle after the abrasion of the friction plate cannot be ensured.

Disclosure of Invention

The embodiment of the disclosure provides a friction plate wear processing method, a friction plate wear processing device, equipment and a medium applied to a vehicle, so that after an early warning signal is received, a corresponding speed limit strategy is determined according to information of the vehicle, the vehicle is controlled to be controlled based on the speed limit strategy, and the technical effect of improving the safety performance of the vehicle is achieved.

In a first aspect, an embodiment of the present disclosure provides a friction plate wear processing method applied in a vehicle, including:

when a friction plate abrasion early warning signal is received, determining the friction attenuation coefficient of a brake and the current liquid discharge amount information of brake liquid;

according to the friction attenuation coefficient and the current liquid discharge amount information, determining a target vehicle the speed limit strategy of (1);

controlling the target vehicle based on the speed limit strategy.

In a second aspect, the disclosed embodiments also provide a friction plate wear management device for use in a vehicle, the device including:

the information determining module is used for determining the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake fluid when the friction plate abrasion early warning signal is received;

the strategy determination module is used for determining a speed limit strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information;

and the control module is used for controlling the target vehicle based on the speed limit strategy.

In a third aspect, an embodiment of the present disclosure further provides an electronic device, where the electronic device includes:

one or more processors;

a storage device for storing one or more programs,

when the one or more programs are executed by the one or more processors, the one or more processors implement the friction plate wear processing method applied to the vehicle according to any one of the embodiments of the present disclosure.

In a fourth aspect, the disclosed embodiments also provide a computer-readable storage medium, on which a computer program is stored, where the program, when executed by a processor, implements a friction plate wear processing method applied to a vehicle as described in any one of the disclosed embodiments.

According to the technical scheme of the embodiment, when the friction plate abrasion early warning signal is received, the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake fluid are determined, then the speed limiting strategy of the target vehicle is determined according to the friction attenuation coefficient and the current liquid discharge amount information, and finally the target vehicle is controlled based on the speed limiting strategy. Based on the technical scheme, the corresponding processing strategy is obtained according to the early warning signal after the early warning signal is received, and then the vehicle is controlled based on the processing strategy, so that the technical effect of improving the safety of the vehicle is achieved, and the safety of a user is protected as much as possible.

Drawings

In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present disclosure, a brief description is given below of the drawings used in describing the embodiments. It should be understood that the drawings described are only for a portion of the embodiments described in this disclosure and not all of them, and that those skilled in the art will be able to derive other drawings from them without any inventive effort.

FIG. 1 is a flow chart of a method for managing wear of a friction plate in a vehicle according to an embodiment of the present disclosure;

FIG. 2 is a flowchart illustrating a method for processing wear of a friction plate applied in a vehicle according to an embodiment of the disclosure;

FIG. 3 is a block diagram of a friction plate wear management device for use in a vehicle according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure.

Detailed Description

The present disclosure is described in further detail below with reference to the figures and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the disclosure and that no limitation of the disclosure is intended. It should be further noted that, for the convenience of description, only some of the structures relevant to the present disclosure are shown in the drawings, not all of them.

Example one

Fig. 1 is a flowchart of a friction plate wear processing method applied to a vehicle according to an embodiment of the present disclosure, where the embodiment is applicable to a situation where a control mode of the vehicle is determined according to a friction damping coefficient and liquid discharge amount information of a brake when a friction plate warning signal is received, and the method may be executed by a friction plate wear processing apparatus applied to a vehicle according to an embodiment of the present disclosure, and the system may be implemented in a software and/or hardware manner, or optionally, implemented by an electronic device, where the electronic device may be a mobile terminal, a PC terminal, or the like. The device can be configured in computing equipment and can also be configured in a vehicle-mounted computer of a vehicle, and the friction plate wear processing method applied to the vehicle provided by the embodiment specifically comprises the following steps:

and S110, when the friction plate abrasion early warning signal is received, determining the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake liquid.

Wherein, friction disc wearing and tearing early warning signal can be the information that the wearing and tearing alarm sent, it can be understood, the friction material of friction disc mainly comprises surface fabric and bed charge, the wear-resisting and coefficient of friction of surface fabric is higher, the bed charge is wear-resisting and coefficient of friction is lower, alarm position is the region that bed charge and surface fabric mix usually, can be through setting up alarm line at alarm position, when the friction disc wearing and tearing reached certain thickness, can lead to alarm line to open circuit, wearing and tearing have taken place for the user suggestion friction disc through lighting the braking piece alarm lamp on the vehicle center console this moment. The brake may be a braking device of a motor vehicle, which may decelerate the vehicle by generating a force (braking force) that counteracts the movement or tendency of movement of the vehicle. The friction damping coefficient may be understood as a ratio between the deceleration of the current vehicle and the target deceleration. The brake fluid may be a liquid medium that transmits the brake pressure in a hydraulic brake system. The current displacement information may be understood as the amount of brake fluid displaced in the hydraulic brake system of the vehicle.

Specifically, when the wear position of the friction plate reaches the alarm position, an alarm circuit arranged in the friction plate is disconnected, a wear early warning signal can be sent out by the wear alarm according to an electric signal in the alarm circuit, and when the wear early warning signal is received, the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake fluid are obtained through a sensor arranged in the vehicle. For example, after the wear warning signal is received, a sensor arranged in the vehicle is controlled to be electrified, current information of the vehicle is collected based on the sensor, and the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake liquid are determined according to the information collected by the sensor.

It should be noted that, the conventional brake system is matched with the vacuum booster, and is a non-decoupling brake system (i.e. the relationship between the pedal force and the pedal stroke is related to the hydraulic stiffness of the brake system), and the risk can be predicted by the driver by clearly sensing the change of the liquid amount and the friction coefficient required by the wheel rim. And the brake system matched with the IBC is a non-decoupling brake system (namely the relationship between pedal force and pedal stroke is irrelevant to the hydraulic rigidity of the brake system), and a driver cannot sense the change of the wheel edge. Therefore, when the friction plate approaches the wear limit, the risk of brake failure exists in continuous braking conditions such as long downhill, especially for vehicles. Accordingly, there is a need for improvements in conventional braking systems to improve vehicle safety.

On the basis of the technical scheme, the determining the friction attenuation coefficient of the brake comprises the following steps: acquiring a pressure signal of a piston, processing the pressure signal and determining theoretical deceleration; acquiring an actual deceleration of the target vehicle; determining the friction damping coefficient according to the theoretical deceleration and the actual deceleration.

The pressure signal may be pressure data obtained by a sensor in an Integrated brake control assembly (IBC). The theoretical deceleration may be understood as a deceleration determined based on the current pressure data. The target vehicle may be a vehicle driven by a user, and the corresponding actual deceleration may be understood as deceleration data obtained by an acceleration segment sensor provided in the vehicle.

Specifically, after the wear early warning signal is detected, the pressure signal of the piston can be directly acquired through the integrated brake system, the theoretical acceleration corresponding to the current vehicle is determined according to the pressure signal of the piston, it can be understood that the vehicle often enables the friction plate to provide deceleration for the vehicle through the hydraulic brake system, therefore, the current theoretical deceleration of the target vehicle can be obtained based on the pressure signal of the brake fluid, the actual deceleration corresponding to the current target vehicle is acquired according to an acceleration sensor arranged in the vehicle, and the friction attenuation coefficient of the vehicle can be determined according to the theoretical deceleration and the actual deceleration. For example, when the vehicle is braked, the corresponding braking force can be provided by the friction plates arranged on the four wheels, so that the current theoretical deceleration of the vehicle can be calculated based on the acquired pressure signal, for example, by: the braking torque = pressure 4 friction coefficient of friction plate and braking radius obtain the braking torque of the current vehicle, further obtain the theoretical deceleration of the current vehicle according to the braking torque, further obtain the friction attenuation coefficient,

Illustratively, the current piston pressure signal is read and the vehicle target deceleration is calculated. Comparing (deceleration of the whole vehicle and target deceleration, if the actual deceleration of the whole vehicle is less than 70% of the target deceleration, it is considered that the friction coefficient of the braking system declines, and the electronic control unit is requested to perform pressure compensation, it should be noted that the friction coefficient of the backing material is far less than that of the surface material, so that the friction coefficient declines, or the heat decline of the friction coefficient can be caused by high temperature.

On the basis of the above technical solution, the determining the current liquid discharge amount information of the brake fluid includes: acquiring actual brake fluid discharge amount smaller than the current pressure value; and if the actual brake fluid discharge amount is larger than the preset proportion of the target fluid discharge amount, determining the actual brake fluid discharge amount as the current fluid discharge amount information.

Wherein the current pressure value may be a pressure value read by a sensor. The actual amount of discharged brake fluid can be understood as the total amount of brake fluid actually discharged under the current situation, and it can be understood that the total amount of discharged brake fluid is different under different working conditions, and the sensor in the integrated brake system can acquire the amount of discharged brake fluid. The target discharge amount may be a preset discharge amount of brake fluid, for example, the discharge amount of brake fluid at different pressure values may be set based on different conditions when the vehicle is designed, so that the brake system of the vehicle may work normally under different working conditions. The preset proportion can be understood as preset proportion information, and the proportion information can be freely set according to requirements.

Specifically, the brake fluid discharge amount in the process that the piston pressure is increased from 0 to the current pressure value is determined according to the pressure value obtained by the pressure sensor, the corresponding target brake fluid discharge amount is obtained according to the current pressure value, and the current brake fluid discharge amount information is determined according to the actual brake fluid discharge amount and the target discharge amount. It should be noted that, because the brake fluid may generate a volume change due to heat generated by the brake system during the use process, the actual discharge amount of the brake fluid is often greater than the target discharge amount during the operation of the actual brake system, and the corresponding discharge amount of the brake fluid may be determined according to the pressure value during the setting process of the vehicle, so that the brake system of the vehicle may meet the related requirements, and therefore the target discharge amount may be retrieved from a preset mapping table.

For example, the current piston pressure signal is read, the plunger pressure is read, the brake fluid discharge amount of the piston is increased from 0 to the current pressure, and then the actual discharge amount is compared with the target discharge amount, if the actual discharge amount is larger than 140% of the target discharge amount, the actual brake fluid discharge amount is determined to be the current discharge amount information, namely, the brake fluid working state is found to be not in accordance with the current actual discharge amount information.

And S120, determining a speed limit strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information.

The speed limit strategy can be understood as a deceleration operation performed on the target vehicle.

Specifically, the working condition of the brake system in the current vehicle can be determined according to the friction attenuation coefficient and the current liquid discharge amount information, and a suitable speed-limiting strategy can be further determined according to the working condition of the parking system, for example, whether a friction plate of the vehicle is worn or not can be determined based on the friction attenuation coefficient, the working condition of brake liquid in the hydraulic brake system can be determined according to the current liquid discharge amount information, and then the corresponding speed-limiting strategy can be determined by combining the state of the friction plate and the working condition of the brake liquid.

On the basis of the technical scheme, the determining the speed limit strategy of the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information comprises the following steps: if the friction attenuation coefficient reaches a preset condition, determining that a speed limiting strategy for the target vehicle is a pressure compensation strategy; and determining the speed limit strategy of the target vehicle as a vehicle control unit cut-off braking strategy based on the current liquid discharge amount information.

The preset condition may be a threshold preset by a user. The pressure compensation strategy may be understood as compensating the braking force of the vehicle such that the deceleration of the vehicle may meet the target deceleration. The vehicle control unit cut-off braking strategy may be to cut off a power source of the vehicle through the vehicle control unit.

Specifically, if the friction attenuation coefficient reaches a preset condition, it is proved that the friction plate of the current vehicle cannot meet the braking condition of the vehicle, pressure compensation is required, so that the braking force provided by the braking system can meet the deceleration condition of the vehicle, and if the current liquid discharge amount information meets preset proportion information, it is proved that the brake liquid in the hydraulic braking system is in a high-temperature state.

It should be noted that, the pressure compensation strategy may be to control the motor and the related valve system through the electronic control unit, and adjust the hydraulic pressure at the position without alarm to achieve torque compensation, so as to enable the deceleration of the vehicle to meet the target deceleration that the driver needs to achieve.

On the basis of the technical scheme, the method further comprises the following steps: and (3) using a motor to reversely drag the brake so as to ensure the safety of a user corresponding to the target vehicle.

Wherein the motor can understand the wheel-side click arranged near the wheel. The reverse dragging brake can be realized by a wheel-side motor in reverse rotation.

Specifically, when it is determined that a braking system in the vehicle cannot work normally, the wheel-side motor near the wheel can be controlled to rotate reversely, so that the vehicle is decelerated, and safety of users in the vehicle is guaranteed. For example, when the braking system cannot work normally, the wheel-side motor can be rotated in the direction to provide a deceleration for the vehicle to actively brake the vehicle.

And S130, controlling the target vehicle based on the speed limit strategy.

Specifically, after the corresponding speed limit strategy is determined, the target vehicle may be controlled to decelerate according to the speed limit strategy, for example, the vehicle may be controlled to perform pressure compensation only according to the pressure compensation strategy, so that the actual deceleration of the vehicle meets the requirements of the driver, the power source of the vehicle may be cut off only by the vehicle controller, so that the vehicle decelerates, the pressure compensation strategy may be performed simultaneously, the power source of the vehicle may be cut off by the vehicle controller, and after the friction attenuation of the vehicle is determined according to the friction attenuation coefficient, the driver may be prompted on a display screen of the center console or by a voice prompt method, so that the driver may visually obtain the current working state of the brake system.

On the basis of the above technical solutions, the technical solution provided by this embodiment can be further described with reference to fig. 2, as shown in fig. 2:

IBC detects wearing and tearing alarm signal: if the abrasion alarm gives an alarm, executing the step two; if the wear alarm does not alarm, the following strategy is not performed.

Judging whether the friction coefficient of the brake declines: and reading a current piston pressure signal, and calculating the target deceleration of the whole vehicle. Comparing the deceleration of the whole vehicle with the target deceleration, if the actual deceleration of the whole vehicle is less than 70% of the target deceleration, determining that the friction coefficient of a braking system is declined, requesting pressure compensation, and prompting a driver that the brake is declined; otherwise, the pressure compensation strategy is not executed. The pressure compensation strategy can be understood as that the motor and the valve system are controlled by the electronic control unit, and the hydraulic pressure of the non-alarm shaft (such as the rear friction plate alarms and the front shaft is adjusted) is adjusted to realize torque compensation so as to achieve the target deceleration of the driver. Specifically, the IU controls the entire vehicle deceleration (the PID control algorithm is a control algorithm combining three links of proportion, integral and derivative): the IBC performs PID control of the deceleration of the entire vehicle based on the target deceleration of the driver, the actual deceleration of the entire vehicle, and the deceleration compensated for by the hydraulic pressure provided by the IBC. .

Judging whether the brake fluid is boiled: and reading a current piston pressure signal, reading the piston pressure from 0 boosting to the current pressure, and reading the brake fluid drainage quantity of the piston. Comparing the actual liquid discharge amount with the target liquid discharge amount, if the actual liquid discharge amount of the piston is larger than 140% of the target liquid discharge amount, determining that the brake liquid has a boiling sign, requesting the vehicle controller to cut off a power source, and prompting a driver to stop the vehicle as soon as possible after the brake liquid is overheated; otherwise, the speed limit strategy of the whole vehicle is not executed. For the whole vehicle speed limit strategy, when the power source is cut off, the motor is used for reverse dragging braking, and the vehicle is actively braked at the deceleration below 0.3g so as to ensure the safety of a driver.

It should be noted that the vehicle state is different; the friction plate abrasion alarming strategy comprises a pressure compensation strategy and a whole vehicle speed limiting strategy, and the pressure compensation strategy and the whole vehicle speed limiting strategy are executed in parallel without progressive relation. When the friction coefficient is declined, the system carries out a pressure compensation strategy; when the brake fluid boils, the system executes the entire vehicle speed limit strategy.

According to the technical scheme of the embodiment, when the friction plate abrasion early warning signal is received, the friction attenuation coefficient of the brake and the current liquid discharge amount information of the brake liquid are determined, then the speed limiting strategy for the target vehicle is determined according to the friction attenuation coefficient and the current liquid discharge amount information, and finally the target vehicle is controlled based on the speed limiting strategy. Based on the technical scheme, the corresponding processing strategy is obtained according to the early warning signal after the early warning signal is received, and then the vehicle is controlled based on the processing strategy, so that the technical effect of improving the safety of the vehicle is achieved, and the safety of a user is protected as much as possible.

Example two

Fig. 3 is a block diagram of a parking device applied to a vehicle according to an embodiment of the present disclosure. The system comprises: an information determination module 310, a policy determination module 320, and a control module 330.

The information determining module 310 is configured to determine a friction attenuation coefficient of a brake and current liquid discharge amount information of brake fluid when receiving a friction plate wear warning signal;

the strategy determining module 320 is used for determining a speed limiting strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information;

a control module 330 to control the target vehicle based on the speed limit strategy.

On the basis of the above technical solution, the information determining module includes:

the pressure signal acquisition unit is used for acquiring a pressure signal of the piston, processing the pressure signal and determining theoretical deceleration;

a deceleration obtaining unit that obtains an actual deceleration of the target vehicle;

and the friction damping coefficient determining unit is used for determining the friction damping coefficient according to the theoretical deceleration and the actual deceleration.

a discharge amount acquisition unit for acquiring an actual brake fluid discharge amount smaller than a current pressure value;

and the current liquid discharge amount information determining unit is used for determining the actual brake liquid discharge amount as the current liquid discharge amount information if the actual brake liquid discharge amount is larger than a preset proportion of a target liquid discharge amount.

On the basis of the above technical solution, the policy determination module is specifically configured to: if the friction attenuation coefficient reaches a preset condition, determining that a speed limiting strategy for the target vehicle is a pressure compensation strategy; and determining the speed limit strategy of the target vehicle as a vehicle control unit cut-off braking strategy based on the current liquid discharge amount information.

The friction plate wear processing device applied to the vehicle provided by the embodiment of the disclosure can execute the friction plate wear processing method applied to the vehicle provided by any embodiment of the disclosure, and has corresponding functional modules and beneficial effects of the execution method.

It should be noted that, the units and modules included in the system are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, specific names of the functional units are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the embodiments of the present disclosure.

EXAMPLE III

Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. FIG. 4 illustrates a block diagram of an exemplary electronic device 40 suitable for use in implementing embodiments of the present disclosure. The electronic device 40 shown in fig. 4 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.

As shown in fig. 4, electronic device 40 is embodied in the form of a general purpose computing device. The components of the electronic device 40 may include, but are not limited to: one or more processors or processing units 401, a system memory 402, and a bus 403 that couples the various system components (including the system memory 402 and the processing unit 401).

Bus 403 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. By way of example, such architectures include, but are not limited to, industry Standard Architecture (ISA) bus, micro-channel architecture (MAC) bus, enhanced ISA bus, video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.

Electronic device 40 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by electronic device 40 and includes both volatile and nonvolatile media, removable and non-removable media.

The system memory 402 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM) 404 and/or cache memory 405. The electronic device 40 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 406 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 4, commonly referred to as a "hard drive"). Although not shown in FIG. 4, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to the bus 403 by one or more data media interfaces. Memory 402 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the disclosure.

A program/utility 408 having a set (at least one) of program modules 407 may be stored, for example, in memory 402, such program modules 407 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 407 generally perform the functions and/or methods of the embodiments described in this disclosure.

The electronic device 40 may also communicate with one or more external devices 409 (e.g., keyboard, pointing device, display 410, etc.), with one or more devices that enable a user to interact with the electronic device 40, and/or with any devices (e.g., network card, modem, etc.) that enable the electronic device 40 to communicate with one or more other computing devices. Such communication may be through input/output (I/O) interface 411. Also, the electronic device 40 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 412. As shown, the network adapter 412 communicates with the other modules of the electronic device 40 over the bus 403. It should be appreciated that although not shown in FIG. 4, other hardware and/or software modules may be used in conjunction with electronic device 40, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, to name a few.

The processing unit 401 executes various functional applications and data processing by running a program stored in the system memory 402, for example, implementing a friction plate wear processing method applied to a vehicle provided by the embodiment of the present disclosure.

Example four

The disclosed embodiments also provide a storage medium containing computer-executable instructions for performing a friction plate wear management method for application in a vehicle when executed by a computer processor. The method comprises the following steps:

determining a speed limit strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information;

and controlling the target vehicle based on the speed limit strategy.

The computer storage media of the disclosed embodiments may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.

A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.

Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present disclosure and the technical principles employed. Those skilled in the art will appreciate that the present disclosure is not limited to the particular embodiments described herein, and that various obvious changes, adaptations, and substitutions are possible, without departing from the scope of the present disclosure. Therefore, although the present disclosure has been described in greater detail with reference to the above embodiments, the present disclosure is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present disclosure, the scope of which is determined by the scope of the appended claims.

Claims

1. A friction plate wear processing method applied to a vehicle is characterized by comprising the following steps:

and controlling the target vehicle based on the speed limit strategy.

2. The method of claim 1, wherein determining a friction damping coefficient of the brake comprises:

acquiring a pressure signal of a piston, processing the pressure signal and determining theoretical deceleration;

acquiring an actual deceleration of the target vehicle;

determining the friction damping coefficient according to the theoretical deceleration and the actual deceleration.

3. The method of claim 1, wherein determining current drain volume information for brake fluid comprises:

acquiring actual brake fluid discharge amount smaller than the current pressure value;

and if the actual brake fluid discharge amount is larger than the preset proportion of the target fluid discharge amount, determining the actual brake fluid discharge amount as the current fluid discharge amount information.

4. The method of claim 1, wherein determining a speed limit strategy for a target vehicle based on the friction damping coefficient and the current displacement information comprises:

if the friction attenuation coefficient reaches a preset condition, determining that a speed limiting strategy for the target vehicle is a pressure compensation strategy;

and determining the speed limit strategy of the target vehicle as a vehicle control unit cut-off braking strategy based on the current liquid discharge amount information.

5. The method of claim 4, further comprising:

and (3) using a motor to reversely drag the brake so as to ensure the safety of a user corresponding to the target vehicle.

6. A friction plate wear management device for use in a vehicle, comprising:

the strategy determining module is used for determining a speed limiting strategy for the target vehicle according to the friction attenuation coefficient and the current liquid discharge amount information;

7. The apparatus of claim 6, wherein the information determining module comprises:

a friction damping coefficient determination unit for determining the friction damping coefficient based on the theoretical deceleration and the actual deceleration.

8. The apparatus of claim 6, wherein the information determining module comprises:

9. An electronic device, characterized in that the device comprises:

one or more processors;

a storage device for storing one or more programs,

when executed by the one or more processors, cause the one or more processors to implement a friction plate wear management method for use in a vehicle as recited in any of claims 1-5.

10. A computer-readable storage medium on which a computer program is stored, the program being characterized by implementing a friction plate wear processing method for use in a vehicle as recited in any one of claims 1 to 5 when executed by a processor.