CN112829729B - Automobile brake adaptive pedal mode control system and control method - Google Patents
Automobile brake adaptive pedal mode control system and control method Download PDFInfo
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- CN112829729B CN112829729B CN202110179909.8A CN202110179909A CN112829729B CN 112829729 B CN112829729 B CN 112829729B CN 202110179909 A CN202110179909 A CN 202110179909A CN 112829729 B CN112829729 B CN 112829729B
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
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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
- B60T7/06—Disposition of pedal
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides an automobile brake adaptive pedal mode control system and a control method, which comprises the following steps: data acquisition module, footboard feel intelligent control module, electron booster module and storage module, data acquisition module includes braking action sensor and footboard displacement sensor, braking action sensor and footboard displacement sensor respectively with the footboard feels intelligent control module and links to each other, braking action sensor and footboard displacement sensor sets up on the footboard, the footboard feel intelligent control module with electron booster module links to each other. According to the automobile brake adaptive pedal mode control system and method, the pedal feeling intelligent control module changes the pedal mode according to the driving habits of each driver collected by the data collection module, so that the adaptive adjustment of the pedal mode in the driving process is realized, the driving intelligence and flexibility are improved, and the trouble of manual adjustment is avoided.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to an automobile braking adaptive pedal mode control system and a control method.
Background
With the development and popularization of electric automobiles, the demand of consumers on electrification of automobiles is higher and higher. In order to improve the endurance mileage and the lightweight design, the conventional electric automobile is more and more matched with an electronic booster, the conventional electronic booster can only provide pedal feeling of a plurality of driving styles of a driver, and the electronic booster is fixed after the driver selects one style.
Although the existing electronic booster can provide pedal feeling of a driver in various driving modes, the existing electronic booster is fixed and cannot be adjusted after the driver selects one style.
Disclosure of Invention
In order to solve the problems, the invention provides an automobile brake adaptive pedal mode control system and a control method, wherein a pedal feeling intelligent control module changes a pedal mode according to the driving habit of each driver acquired by a data acquisition module, so that the adaptive adjustment of the pedal mode in the driving process is realized, the driving intelligence and flexibility are improved, and the trouble of manual adjustment is avoided.
In order to achieve the above purpose, the invention adopts a technical scheme that:
an adaptive pedal mode control system for vehicle braking, comprising: data acquisition module, footboard are felt intelligent control module, electronic booster module and storage module, data acquisition module includes braking action sensor and footboard displacement sensor, braking action sensor and footboard displacement sensor respectively with the footboard is felt intelligent control module and is linked to each other, braking action sensor and footboard displacement sensor sets up on the footboard, the footboard is felt intelligent control module with electronic booster module links to each other, electronic booster module passes through the automobile body and stabilizes the module and links to each other with the stopper of car, storage module with the footboard is felt intelligent control module and links to each other.
The invention also provides an automobile brake adaptive pedal mode control method based on the automobile brake adaptive pedal mode control system, which comprises the following steps: s10, the pedal feeling intelligent control module acquires displacement data S and moving speed data V of an automobile pedal generated by braking of a driver in the driving process through the data acquisition module; s20, when the braking action of the driver reaches the preset braking times, the pedal feeling intelligent control module analyzes the displacement data S and the moving speed data V of the preset braking times of the automobile pedal to determine the pedal mode corresponding to the driver; s30, the pedal feeling intelligent control module outputs an analysis result to the electronic booster module; s40, the electronic booster module changes the pedal mode according to the input result and feeds back the execution result to the pedal feeling intelligent control module to finish the adjustment of the pedal mode.
Further, the pedal modes comprise a sport pedal feeling mode, a standard pedal feeling mode and a comfortable pedal feeling mode, and when V is larger than or equal to b and S is larger than or equal to a, the automobile is in the sport pedal feeling mode; when V is larger than or equal to b and S is smaller than a, the automobile is in a standard pedal feeling mode; when V is less than b, the automobile is in a comfortable pedal feeling mode; where a is the threshold for displacement data and b is the threshold for movement velocity data.
Further, a is 40mm, and b is 50 mm/s.
Further, in the step S20, when the displacement data S is less than or equal to 15mm and the vehicle speed is less than or equal to 10km/h, the pedal feeling intelligent control module does not count the braking action of the driver.
Further, in step S30, when the pedal feel intelligent control module obtains that the pedal mode is consistent with the current pedal mode after analyzing according to the displacement data S and the moving speed data V, it is not necessary to output the analysis result to the electronic booster module.
Further, the preset braking frequency is 5.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the automobile brake adaptive pedal mode control system and method, the pedal feeling intelligent control module changes the pedal mode according to the driving habits of each driver collected by the data collection module, so that the adaptive adjustment of the pedal mode in the driving process is realized, the driving intelligence and flexibility are improved, and the trouble of manual adjustment is avoided.
Drawings
The technical solution and the advantages of the present invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a block diagram of an adaptive pedal mode control system for vehicle braking in accordance with an embodiment of the present invention;
FIG. 2 is a flow chart of a method for adaptive pedal mode control of vehicle braking according to an embodiment of the present invention;
fig. 3 is a comparison graph of pedal force versus force of the electronic booster module in three pedal modes according to an embodiment of the present invention (1 is a sport pedal feeling mode, 2 is a standard pedal feeling mode, and 3 is a comfort pedal feeling mode).
Reference numbers in the figures:
the intelligent vehicle brake system comprises a pedal sense intelligent control module 1, a brake action sensor 21, a pedal displacement sensor 22, an electronic booster module 3, a vehicle body stabilizing module 4 and a brake 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides an adaptive pedal mode control system for automobile brake, as shown in fig. 1, comprising: data acquisition module, footboard feel intelligent control module 1, electronic booster module and storage module, data acquisition module includes braking action sensor 21 and footboard displacement sensor 22, braking action sensor 21 and footboard displacement sensor 22 respectively with intelligent control module 1 links to each other is felt to the footboard, braking action sensor 21 and footboard displacement sensor 22 sets up on the footboard, intelligent control module 1 is felt to the footboard with electronic booster module links to each other, electronic booster module passes through automobile body stability module 4 and links to each other with the stopper 5 of car, storage module with intelligent control module 1 links to each other is felt to the footboard.
As shown in fig. 2, the present invention further provides an automobile brake adaptive pedal mode control method based on the above automobile brake adaptive pedal mode control system, comprising the following steps: s10 the pedal feeling intelligent control module 1 collects displacement data S and moving speed data V of the automobile pedal generated by braking of the driver in the driving process through the data collection module. And S20, when the braking action of the driver reaches the preset braking times, the pedal feeling intelligent control module 1 analyzes the displacement data S and the moving speed data V of the preset braking times of the automobile pedal to determine the pedal mode corresponding to the driver. S30, the intelligent pedal feeling control module 1 outputs the analysis result to the electronic booster module. S40, the electronic booster module changes the pedal mode according to the input result and feeds back the execution result to the pedal feeling intelligent control module 1 to finish the adjustment of the pedal mode.
In S10, when the driver steps on the brake pedal during driving, the pedal feel intelligent control module collects and records the driver' S actions.
In S20, the preset number of times of braking is preferably 5 times. The pedal modes comprise a sport pedal feeling mode, a standard pedal feeling mode and a comfortable pedal feeling mode, and when V is larger than or equal to b and S is larger than or equal to a, the automobile is in the sport pedal feeling mode. When V is larger than or equal to b and S is smaller than a, the automobile is in a standard pedal feeling mode. When V is less than b, the automobile is in a comfortable pedal feeling mode; where a is the threshold for displacement data and b is the threshold for movement velocity data. As shown in fig. 3, when the vehicle is in the sport pedal feeling mode, the pedal initial power is large, the jump value is small, and the assistance ratio of the electronic booster module is small; when the automobile is in a standard pedal feeling mode, the pedal power is in a pedal initial power, the jump value is in a jump value, and the boosting ratio is in a middle; when the automobile is in a comfortable pedal feeling mode, the pedal initial power is small, the jumping value is large, and the power assisting ratio of the electronic booster module is large.
The threshold value a of the displacement data is preferably 40mm, and the moving speed data b is preferably 50 mm/s. In order to improve the reliability of the collected data, when the displacement data S is less than or equal to 15mm and the vehicle speed is less than or equal to 10km/h, the pedal feel intelligent control module 1 does not count the braking action of the driver, namely, does not count the preset braking times, and when the driver uses the vehicle to run, the effective braking times can be started to analyze the recorded data only when the accumulated effective braking times reach the preset braking times.
In step S30, when the pedal feel intelligent control module 1 obtains that the pedal mode obtained after analyzing according to the displacement data S and the moving speed data V is consistent with the current pedal mode, it is not necessary to output the analysis result to the electronic booster module.
The above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that are transformed by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A control method of an automobile brake adaptive pedal mode control system is characterized in that: the automobile brake adaptive pedal mode control system comprises: the intelligent automobile brake system comprises a data acquisition module, a pedal feel intelligent control module, an electronic booster module and a storage module, wherein the data acquisition module comprises a brake action sensor and a pedal displacement sensor, the brake action sensor and the pedal displacement sensor are respectively connected with the pedal feel intelligent control module, the brake action sensor and the pedal displacement sensor are arranged on a pedal, the pedal feel intelligent control module is connected with the electronic booster module, the electronic booster module is connected with an automobile brake through an automobile body stabilizing module, and the storage module is connected with the pedal feel intelligent control module;
the control method comprises the following steps:
s10, the pedal feeling intelligent control module acquires displacement data S and moving speed data V of an automobile pedal generated by braking of a driver in the driving process through the data acquisition module;
s20, when the braking action of the driver reaches the preset braking times, the pedal feeling intelligent control module analyzes the displacement data S and the moving speed data V of the preset braking times of the automobile pedal to determine the pedal mode corresponding to the driver;
s30, the pedal feeling intelligent control module outputs an analysis result to the electronic booster module;
s40, the electronic booster module changes the pedal mode according to the input result and feeds back the execution result to the pedal feeling intelligent control module to finish the adjustment of the pedal mode.
2. The control method of an adaptive pedal mode control system for automobile brake according to claim 1, wherein the pedal modes include a sporty pedal feel mode, a standard pedal feel mode, and a comfortable pedal feel mode,
when V is larger than or equal to b and S is larger than or equal to a, the automobile is in a motion pedal feeling mode;
when V is larger than or equal to b and S is smaller than a, the automobile is in a standard pedal feeling mode;
when V is less than b, the automobile is in a comfortable pedal feeling mode; where a is the threshold for displacement data and b is the threshold for movement velocity data.
3. The control method of the brake adaptive pedal mode control system according to claim 2, wherein a is 40mm and b is 50 mm/s.
4. The control method of the brake adaptive pedal mode control system of the automobile as claimed in claim 1, wherein in the step S20, the pedal feel intelligent control module does not count the brake action of the driver when the displacement data S is less than or equal to 15mm and when the speed of the automobile is less than or equal to 10 km/h.
5. The control method of the brake adaptive pedal mode control system according to claim 1, wherein in step S30, when the pedal feel intelligent control module analyzes the displacement data S and the moving speed data V to obtain that the pedal mode is consistent with the current pedal mode, it is not necessary to output the analysis result to the electronic booster module.
6. The control method of an adaptive pedal mode control system for automobile brake according to claim 1, wherein the preset number of times of braking is 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110179909.8A CN112829729B (en) | 2021-02-09 | 2021-02-09 | Automobile brake adaptive pedal mode control system and control method |
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| CN202110179909.8A CN112829729B (en) | 2021-02-09 | 2021-02-09 | Automobile brake adaptive pedal mode control system and control method |
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| CN112829729A CN112829729A (en) | 2021-05-25 |
| CN112829729B true CN112829729B (en) | 2022-02-15 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100457213B1 (en) * | 2001-12-24 | 2004-11-12 | 현대자동차주식회사 | break performance improvement system using brake booster |
| CN104760580A (en) * | 2015-03-31 | 2015-07-08 | 同济大学 | Control method based on displacement feedback control and active pedal simulation system |
| CN205059562U (en) * | 2015-09-30 | 2016-03-02 | 芜湖伯特利汽车安全***股份有限公司 | Electric control brake pedal feeling simulation device |
| KR102590731B1 (en) * | 2016-09-02 | 2023-10-19 | 에이치엘만도 주식회사 | Apparatus and method for failsafe in electric corner module system |
| CN108556832A (en) * | 2018-04-08 | 2018-09-21 | 南京航空航天大学 | A kind of smart electronics power-assisted braking arrangement and its working method |
| CN111252057B (en) * | 2019-12-25 | 2021-05-28 | 浙江零跑科技有限公司 | Braking system and control strategy for new energy vehicle |
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