CN116853207A - Method and device for determining vehicle brake sensitivity mode - Google Patents

Method and device for determining vehicle brake sensitivity mode Download PDF

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Publication number
CN116853207A
CN116853207A CN202210312325.8A CN202210312325A CN116853207A CN 116853207 A CN116853207 A CN 116853207A CN 202210312325 A CN202210312325 A CN 202210312325A CN 116853207 A CN116853207 A CN 116853207A
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CN
China
Prior art keywords
brake
sensitivity mode
vehicle
braking
moment
Prior art date
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Pending
Application number
CN202210312325.8A
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Chinese (zh)
Inventor
高晨
程振东
林俊良
刘广宇
吴晟
张文钊
余节发
董诗瑾
范文涛
罗佳毅
陈光辉
左晓千
朱明睿
张艺腾
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SAIC Motor Corp Ltd
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SAIC Motor Corp Ltd
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Publication date
Application filed by SAIC Motor Corp Ltd filed Critical SAIC Motor Corp Ltd
Priority to CN202210312325.8A priority Critical patent/CN116853207A/en
Publication of CN116853207A publication Critical patent/CN116853207A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Regulating Braking Force (AREA)

Abstract

The application provides a method and a device for determining a vehicle brake sensitivity mode, wherein a brake parameter of a vehicle at a first moment is acquired, and the brake parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration; determining a second brake sensitivity mode according to the brake parameter at the first moment; the vehicle is controlled according to the second brake sensitivity mode. According to the application, the required braking sensitivity mode can be determined in real time according to the braking parameters in the running process of the vehicle, the vehicle is controlled, the braking sensitivity mode of the vehicle is automatically switched to the required braking sensitivity mode, and the braking sensitivity mode of the vehicle is always matched with the vehicle condition. Therefore, under the condition that a driver does not actively switch the brake sensitivity mode, brake sensitivity experience matched with the current driving scene can be obtained, and user driving experience is improved.

Description

Method and device for determining vehicle brake sensitivity mode
Technical Field
The application relates to the field of vehicles, in particular to a method and a device for determining a vehicle brake sensitivity mode.
Background
As more and more vehicles are put into use, there is an increasing demand for brake sensitivity of the vehicles. For vehicles equipped with a decoupled braking system, multiple sets of different brake sensitivity modes may be generated for the driver's choice by matching multiple sets of different styles of brake sensitivity characteristics, i.e., the relationship between brake pedal travel and deceleration.
In the prior art, when different modes are switched, a mode switch is used for selecting, and after a driver selects one mode according to own preference, the whole vehicle deceleration corresponding to the braking stroke is fixed in different scenes. Often the style varies greatly between different sensitivity modes, and emergency situations may be encountered when driving using a low sensitivity mode, where adequate deceleration may not be achieved due to a slower braking response. When the high-sensitivity mode is used, a driver is required to have higher control force on the brake pedal under the working conditions of parking or low-speed following, and the like, so that the problems of brake head and the like are easily caused, and the comfort is affected. The mode switch is often hidden below the secondary menu, and a driver needs to click a large screen for multiple times when the driver needs to operate and switch, so that the driver needs to frequently switch the driving mode to obtain the best driving experience when the driving scene is complex and changeable, but the driving experience is reduced due to frequent switching actions.
Disclosure of Invention
Accordingly, the present application is directed to a method for determining a brake sensitivity mode of a vehicle, which can automatically switch the brake sensitivity mode of the vehicle according to real-time vehicle conditions, thereby improving the driving experience of a user. The specific scheme is as follows:
in a first aspect, the present application provides a method for determining a brake sensitivity mode of a vehicle, comprising:
acquiring a braking parameter of the vehicle at a first moment, wherein the braking parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration;
determining a second brake sensitivity mode according to the brake parameter at the first moment;
the vehicle is controlled according to the second brake sensitivity mode.
Optionally, the determining the second brake sensitivity mode according to the brake parameter at the first moment includes:
determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment;
the brake sensitivity mode having the greatest sensitivity among the plurality of brake sensitivity modes is determined as the second brake sensitivity mode.
Optionally, the determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment includes:
and taking the braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs as the braking sensitivity mode corresponding to the braking parameter at the first moment.
Optionally, controlling the vehicle according to the second brake sensitivity mode includes:
the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to the second brake sensitivity mode when the first brake sensitivity mode is less than the second brake sensitivity mode.
Optionally, controlling the vehicle according to the second brake sensitivity mode includes:
the vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than the second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment;
determining a third brake sensitivity mode according to the brake parameter at the second moment;
when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
In a second aspect, an embodiment of the present application further provides a device for determining a brake sensitivity mode of a vehicle, including:
an acquisition unit configured to acquire a braking parameter of a vehicle at a first time, the braking parameter including at least one of: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration;
a determining unit, configured to determine a second brake sensitivity mode according to the brake parameter at the first moment;
and a control unit for controlling the vehicle according to the second brake sensitivity mode.
Optionally, the determining unit is configured to:
determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment;
the brake sensitivity mode having the greatest sensitivity among the plurality of brake sensitivity modes is determined as the second brake sensitivity mode.
Optionally, the determining unit is configured to:
and taking the braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs as the braking sensitivity mode corresponding to the braking parameter at the first moment.
Optionally, the control unit is configured to:
the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to the second brake sensitivity mode when the first brake sensitivity mode is less than the second brake sensitivity mode.
Optionally, the control unit is configured to:
the vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than the second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment;
determining a third brake sensitivity mode according to the brake parameter at the second moment;
when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
The embodiment of the application provides a method and a device for determining a vehicle brake sensitivity mode, wherein a brake parameter of a vehicle at a first moment is acquired, and the brake parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration; determining a second brake sensitivity mode according to the brake parameter at the first moment; the vehicle is controlled according to the second brake sensitivity mode. According to the application, the required braking sensitivity mode can be determined in real time according to the braking parameters in the running process of the vehicle, the vehicle is controlled, the braking sensitivity mode of the vehicle is automatically switched to the required braking sensitivity mode, and the braking sensitivity mode of the vehicle is always matched with the vehicle condition. Therefore, under the condition that a driver does not actively switch the brake sensitivity mode, the brake sensitivity experience matched with the current driving scene can be obtained, better brake experience is obtained, and the driving experience of the user is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the application and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart illustrating a method for determining a vehicle brake sensitivity mode according to an embodiment of the present application;
FIG. 2 is a flow chart illustrating yet another method for determining a vehicle brake sensitivity mode provided by an embodiment of the present application;
fig. 3 is a schematic diagram showing a structure of an ECU for processing brake parameters according to an embodiment of the present application;
FIG. 4 is a flowchart of a method for determining a further vehicle brake sensitivity mode provided by an embodiment of the present application;
fig. 5 is a schematic diagram of a device for determining a brake sensitivity mode of a vehicle according to an embodiment of the present application.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
As described in the background art, in the prior art, there are a plurality of brake sensitivity modes that are common in a vehicle equipped with a decoupled braking system and are switched to each other by a switch. According to different vehicle condition information, a driver can only meet the requirements by manually switching the brake sensitivity mode, the mode switch is often hidden below the secondary menu, the driver needs to click a large screen for multiple times when the driver needs to operate and switch, when the driving scene is complex and changeable, the driver needs to frequently switch the driving mode to obtain the optimal driving experience, but the driving experience is reduced by frequent switching actions.
Based on the above technical problems, the embodiment of the application provides a method for determining a vehicle brake sensitivity mode, which acquires a brake parameter of a vehicle at a first moment, wherein the brake parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration; determining a second brake sensitivity mode according to the brake parameter at the first moment; the vehicle is controlled according to the second brake sensitivity mode. According to the application, the required braking sensitivity mode can be determined in real time according to the braking parameters in the running process of the vehicle, the vehicle is controlled, the braking sensitivity mode of the vehicle is automatically switched to the required braking sensitivity mode, and the braking sensitivity mode of the vehicle is always matched with the vehicle condition. Therefore, under the condition that a driver does not actively switch the brake sensitivity mode, the brake sensitivity experience matched with the current driving scene can be obtained, better brake experience is obtained, and the driving experience of the user is improved.
For easy understanding, a method and an apparatus for determining a brake sensitivity mode of a vehicle according to embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a flowchart of a method for determining a brake sensitivity mode of a vehicle according to an embodiment of the present application may include the following steps.
S101, acquiring braking parameters of the vehicle at a first moment, wherein the braking parameters comprise at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration.
In the embodiment of the application, in the running process of the vehicle, based on the driving state of the current vehicle, the braking parameters of the vehicle at the first moment are obtained, wherein the braking parameters can include, but are not limited to, the vehicle speed, the accelerator opening change rate, the brake pedal travel change rate, the steering wheel angle change rate and the acceleration of the whole vehicle. In the present application, one braking parameter of the vehicle may be acquired, or a plurality of braking parameters of the vehicle may be acquired, and the above braking parameters may be combined at will. For example, the speed of the vehicle at the first time is obtained, or the rate of change of the accelerator opening, the brake pedal stroke, and the steering wheel angle of the vehicle at the first time are obtained.
S102, determining a second brake sensitivity mode according to the brake parameter at the first moment.
In an embodiment of the present application, when the braking parameters include a plurality of the following parameters: the method comprises the following steps of determining a second brake sensitivity mode according to a brake parameter at a first moment. Referring to fig. 2, a flowchart of a method for determining a brake sensitivity mode of a vehicle according to an embodiment of the present application is shown.
S1021, determining a plurality of brake sensitivity modes according to the brake parameters of a plurality of first moments.
In the embodiment of the application, when the braking parameters comprise a plurality of parameters, a corresponding braking sensitivity mode can be determined according to each parameter, and each braking parameter is processed to obtain a braking sensitivity mode. The braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs is used as the braking sensitivity mode corresponding to the braking parameter at the first moment.
Specifically, according to the number of existing brake sensitivity modes of the whole vehicle, the physical characteristic range of the parameters of the specific driving state is divided into a corresponding number of sections. The upper and lower limit values of each interval are defined according to requirements. The sensitivity pattern of each sensitivity interval is defined in terms of the corresponding brake sensitivity intensity, the higher the sensitivity the greater the pattern value. For example, when the braking parameter is the vehicle speed, for example, the range of the vehicle speed is 0kph to 180kph, the whole vehicle has 3 braking sensitivity modes, the vehicle speed can be divided into 0kph to 20kph as a range 1, the corresponding sensitivity mode is 1, 20kph to 100kph as a range 2, the corresponding sensitivity mode is 2, and 100kph to 180kph as a range 3, and the corresponding sensitivity mode is 3. When the vehicle speed is 80kph, the corresponding brake sensitivity mode is 2 when the corresponding brake sensitivity mode is located in a range from 20kph to 100kph, and the corresponding brake sensitivity mode is 2 when the brake parameter is the vehicle speed.
S1022 is to determine the brake sensitivity mode having the largest sensitivity among the plurality of brake sensitivity modes as the second brake sensitivity mode.
In the embodiment of the application, as each braking parameter is processed to obtain one braking sensitivity mode, all braking sensitivity modes obtained at the same time are compared, and the braking sensitivity mode with the largest sensitivity is determined as the second braking sensitivity mode. The ECU (Electronic Control Unit ) may be used to receive the values of each monitored parameter and perform corresponding processing to obtain a required braking sensitivity mode, and referring to fig. 3, a schematic structural diagram of the ECU processing the braking parameters is shown, in which 1,2 … n represents a braking parameter, such as braking parameter 1, braking parameter 2 …, and braking parameter n, and the ECU may perform corresponding processing on multiple input parameters to obtain a braking sensitivity mode. For example, when the braking parameters include: when the vehicle speed, the accelerator opening change rate and the brake pedal stroke are, the brake sensitivity mode corresponding to the vehicle speed is 2, the brake sensitivity mode corresponding to the accelerator opening change rate is 2, the brake sensitivity mode corresponding to the brake pedal stroke is 3, and the second brake sensitivity mode is determined to be 3.
In the embodiment of the application, when the braking parameter only comprises one parameter, the braking sensitivity mode can be directly determined according to the parameter. Specifically, when the braking parameter includes only the vehicle speed, the braking sensitivity mode corresponding to the vehicle speed is 2, and the second braking sensitivity mode is 2.
S103, controlling the vehicle according to the second brake sensitivity mode.
In the embodiment of the application, the vehicle can be controlled according to the second brake sensitivity mode. Specifically, the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to a second brake sensitivity mode when the first brake sensitivity mode is smaller than the second brake sensitivity mode. For example, when the first brake sensitivity mode executed by the current whole vehicle is 1, the second brake sensitivity mode determined according to the brake parameters is 2, and the first brake sensitivity mode is smaller than the second brake sensitivity mode, the brake sensitivity mode of the vehicle is directly and automatically switched to the second brake sensitivity mode.
In the embodiment of the application, a vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than a second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment; determining a third brake sensitivity mode according to the brake parameter at the second moment; when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
Specifically, when the first brake sensitivity mode is greater than the second brake sensitivity mode, the first brake sensitivity mode is not immediately adjusted to the second brake sensitivity mode, the updated brake parameters and corresponding brake sensitivity modes may be acquired a plurality of times in succession, and the brake sensitivity mode determined last time is compared with the first brake sensitivity mode. When the last determined brake sensitivity mode is smaller than the first brake sensitivity mode, the first brake sensitivity mode is adjusted to the last determined brake sensitivity mode, the counter is cleared, and counting is restarted. The counter can be set for 10 times, and the brake sensitivity mode is adjusted after 10 times of judgment, and the number can be changed according to the requirement in the actual scheme.
Referring to fig. 4, a flowchart of yet another method of determining a vehicle brake sensitivity mode is shown. The method comprises the steps that a counter is set to 10 times, firstly, a brake sensitivity mode A with the maximum sensitivity corresponding to a vehicle brake parameter is obtained at a first moment, whether the brake sensitivity mode A is larger than a brake sensitivity mode B is judged, wherein the brake sensitivity mode B is a brake sensitivity mode currently executed by the vehicle, and if so, the brake sensitivity mode A is switched to; otherwise, continuing to acquire the updated brake sensitivity mode A and judging, and switching to the brake sensitivity mode A until the tenth judgment is satisfied that the brake sensitivity mode A is not larger than the brake sensitivity mode B. The number of times of judgment may be 10 times or 5 times.
In the embodiment of the application, when the vehicle is controlled according to the second brake sensitivity mode, interpolation or the like can be adopted to carry out smooth transition between the current sensitivity characteristic curve and the target sensitivity curve. After the vehicle is controlled according to the second brake sensitivity mode, brake parameters can be continuously acquired, the corresponding brake sensitivity mode is calculated and compared with the brake sensitivity mode executed by the current whole vehicle, and the brake sensitivity mode of the vehicle is adjusted in real time so as to match real-time vehicle condition information, so that the driving experience of a user is improved.
The embodiment of the application provides a method for determining a vehicle brake sensitivity mode, which comprises the steps of obtaining a brake parameter of a vehicle at a first moment, wherein the brake parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration; determining a second brake sensitivity mode according to the brake parameter at the first moment; the vehicle is controlled according to the second brake sensitivity mode. According to the application, the required braking sensitivity mode can be determined in real time according to the braking parameters in the running process of the vehicle, the vehicle is controlled, the braking sensitivity mode of the vehicle is automatically switched to the required braking sensitivity mode, and the braking sensitivity mode of the vehicle is always matched with the vehicle condition. Therefore, under the condition that a driver does not actively switch the brake sensitivity mode, the brake sensitivity experience matched with the current driving scene can be obtained, better brake experience is obtained, and the driving experience of the user is improved.
Based on the above method for determining a vehicle brake sensitivity mode, the embodiment of the application further provides a device for determining a vehicle brake sensitivity mode, and referring to fig. 5, a schematic diagram of the device for determining a vehicle brake sensitivity mode according to the embodiment of the application is shown, where the device may include:
an obtaining unit 100, configured to obtain a braking parameter of the vehicle at a first moment, where the braking parameter includes at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration;
a determining unit 200, configured to determine a second brake sensitivity mode according to the brake parameter at the first moment;
a control unit 300 for controlling the vehicle according to the second brake sensitivity mode.
Optionally, the determining unit is configured to:
determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment;
the brake sensitivity mode having the greatest sensitivity among the plurality of brake sensitivity modes is determined as the second brake sensitivity mode.
Optionally, the determining unit is configured to:
and taking the braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs as the braking sensitivity mode corresponding to the braking parameter at the first moment.
Optionally, the control unit is configured to:
the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to the second brake sensitivity mode when the first brake sensitivity mode is less than the second brake sensitivity mode.
Optionally, the control unit is configured to:
the vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than the second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment;
determining a third brake sensitivity mode according to the brake parameter at the second moment;
when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
The embodiment of the application provides a device for determining a vehicle brake sensitivity mode, wherein an acquisition unit is used for acquiring a brake parameter of a vehicle at a first moment, and the brake parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration; the determining unit is used for determining a second brake sensitivity mode according to the brake parameter at the first moment; the control unit is used for controlling the vehicle according to the second brake sensitivity mode. According to the application, the required braking sensitivity mode can be determined in real time according to the braking parameters in the running process of the vehicle, the vehicle is controlled, the braking sensitivity mode of the vehicle is automatically switched to the required braking sensitivity mode, and the braking sensitivity mode of the vehicle is always matched with the vehicle condition. Therefore, under the condition that a driver does not actively switch the brake sensitivity mode, the brake sensitivity experience matched with the current driving scene can be obtained, better brake experience is obtained, and the driving experience of the user is improved.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The foregoing is merely a preferred embodiment of the present application, and the present application has been disclosed in the above description of the preferred embodiment, but is not limited thereto. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present application or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present application. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present application still fall within the scope of the technical solution of the present application.

Claims (10)

1. A method of determining a brake sensitivity pattern of a vehicle, comprising:
acquiring a braking parameter of the vehicle at a first moment, wherein the braking parameter comprises at least one of the following parameters: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration;
determining a second brake sensitivity mode according to the brake parameter at the first moment;
the vehicle is controlled according to the second brake sensitivity mode.
2. The method of claim 1, wherein said determining a second brake sensitivity pattern from the brake parameter at the first time instant comprises:
determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment;
the brake sensitivity mode having the greatest sensitivity among the plurality of brake sensitivity modes is determined as the second brake sensitivity mode.
3. The method of claim 2, wherein said determining a plurality of brake sensitivity modes from a plurality of said first time instant brake parameters comprises:
and taking the braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs as the braking sensitivity mode corresponding to the braking parameter at the first moment.
4. The method of claim 1, wherein controlling the vehicle according to the second brake sensitivity mode comprises:
the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to the second brake sensitivity mode when the first brake sensitivity mode is less than the second brake sensitivity mode.
5. The method of claim 1, wherein controlling the vehicle according to the second brake sensitivity mode comprises:
the vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than the second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment;
determining a third brake sensitivity mode according to the brake parameter at the second moment;
when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
6. A vehicle brake sensitivity mode determining apparatus, characterized by comprising:
an acquisition unit configured to acquire a braking parameter of a vehicle at a first time, the braking parameter including at least one of: vehicle speed, accelerator opening change rate, brake pedal travel change rate, steering wheel angle change rate and whole vehicle acceleration;
a determining unit, configured to determine a second brake sensitivity mode according to the brake parameter at the first moment;
and a control unit for controlling the vehicle according to the second brake sensitivity mode.
7. The apparatus according to claim 6, wherein the determining unit is configured to:
determining a plurality of brake sensitivity modes according to a plurality of brake parameters at the first moment;
the brake sensitivity mode having the greatest sensitivity among the plurality of brake sensitivity modes is determined as the second brake sensitivity mode.
8. The apparatus according to claim 7, wherein the determining unit is configured to:
and taking the braking sensitivity mode corresponding to the parameter range to which the braking parameter at the first moment belongs as the braking sensitivity mode corresponding to the braking parameter at the first moment.
9. The apparatus of claim 6, wherein the control unit is configured to:
the vehicle has a first brake sensitivity mode at a first time, and the first brake sensitivity mode is adjusted to the second brake sensitivity mode when the first brake sensitivity mode is less than the second brake sensitivity mode.
10. The apparatus of claim 6, wherein the control unit is configured to:
the vehicle is provided with a first braking sensitivity mode at a first moment, and when the first braking sensitivity mode is larger than the second braking sensitivity mode, the braking parameters of the vehicle at a second moment are acquired, and the second moment is after the first moment;
determining a third brake sensitivity mode according to the brake parameter at the second moment;
when the first brake sensitivity mode is greater than the third brake sensitivity mode, the first brake sensitivity mode is adjusted to the third brake sensitivity mode.
CN202210312325.8A 2022-03-28 2022-03-28 Method and device for determining vehicle brake sensitivity mode Pending CN116853207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210312325.8A CN116853207A (en) 2022-03-28 2022-03-28 Method and device for determining vehicle brake sensitivity mode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210312325.8A CN116853207A (en) 2022-03-28 2022-03-28 Method and device for determining vehicle brake sensitivity mode

Publications (1)

Publication Number Publication Date
CN116853207A true CN116853207A (en) 2023-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210312325.8A Pending CN116853207A (en) 2022-03-28 2022-03-28 Method and device for determining vehicle brake sensitivity mode

Country Status (1)

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CN (1) CN116853207A (en)

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