CN201989777U - Sideslip preventive control system based on ABS (anti-lock brake system) - Google Patents
Sideslip preventive control system based on ABS (anti-lock brake system) Download PDFInfo
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- CN201989777U CN201989777U CN2011200748404U CN201120074840U CN201989777U CN 201989777 U CN201989777 U CN 201989777U CN 2011200748404 U CN2011200748404 U CN 2011200748404U CN 201120074840 U CN201120074840 U CN 201120074840U CN 201989777 U CN201989777 U CN 201989777U
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- automobile
- sideslip
- control system
- abs
- detector
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Abstract
The utility model provides a sideslip preventive control system based on an ABS (anti-lock brake system), which belongs to the technical field of automobiles and solves the problem of sideslip of an existing automobile anti-lock brake system when an automobile is braked at a bend. The sideslip preventive control system based on the ABS comprises a controller, an automobile speed sensor, an actuating mechanism, an automobile turn angle detector and an automobile side acceleration detector, wherein the automobile turn angle detector and the automobile side acceleration detector are used for detecting the turn angle and the side acceleration of an automobile respectively. When receiving and processing information transmitted by the automobile speed sensor, the automobile turn angle detector and the automobile side acceleration detector, judging that the automobile is in a sideslip state, the controller transmits control signals for controlling the actuating mechanism to reduce brake force. The sideslip preventive control system based on the ABS is high in sideslip resistance and capable of preventing the automobile from losing steering capability and swerving due to sideslip.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of anti-sideslip control system, relates in particular to a kind of anti-sideslip control system based on the ABS anti-lock braking system.
Background technology
Along with the development of traffic street and automotive technology, the recoverable amount of automobile increases day by day, and automobile users has also spreaded all over every field.Therefore, the safety of automotive use receives numerous car owners' concern.The ABS anti-lock braking system is a kind of vehicle safety control system with advantages such as anti-skidding, anti-lockings, the braking function of its existing common brake system, can prevent wheel locking again, automobile still can be turned under braking mode, having guaranteed the stability of automobile brake direction, is the brake equipment most advanced on the present automobile, that braking effect is best.
But the vertical locking sliding problem when the ABS anti-lock braking system only can solve automobile brake has effectively but reduced vehicle side to the antiskid kinetic force.The glancing impact under the lower or high speed bend situation at coefficient of road adhesion particularly, automobile break away easily and cause the situation that loses steering capability or whipping occurs.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist at prior art, has proposed a kind of anti-sideslip control system based on the ABS anti-lock braking system that can prevent effectively that automobile cornering brake skid situation from taking place.
The purpose of this utility model can realize by following technical proposal: a kind of anti-sideslip control system based on the ABS anti-lock braking system, described ABS anti-lock braking system comprises controller and all with the joining car speed sensor of this controller be used to regulate the actuating unit of wheel braking force, it is characterized in that, described anti-sideslip control system also comprises all and above-mentioned controller joining automobile corner detector and automobile side angle acceleration detector, described automobile corner detector and automobile side angle acceleration detector are respectively applied for corner angle and the lateral acceleration size that detects automobile, when controller receives above-mentioned car speed sensor, the information that automobile corner detector and automobile side angle acceleration detector send is handled and is judged when automobile is in the sideslip state, and the control executing mechanism that transmits control signal reduces braking force.
When automobile is in turn condition, the car speed sensor of the automobile speed of a motor vehicle that automobile is current sends to controller, the automobile corner detector corner angle that automobile is current sends to controller, the real-time lateral acceleration that automobile is current of automobile side angle acceleration detector sends to controller, the desirable centripetal force that controller calculates automobile by the corner angle that receives and the speed of a motor vehicle, and calculate the actual centripetal force of automobile by the automobile side angle accelerometer, then actual centripetal force and desirable centripetal force are compared, if actual centripetal force is less than or equal to desirable centripetal force, controller can judge that automobile is in the sideslip state and transmits control signal to actuating unit, reduces the braking force of wheel by actuating unit; If actual centripetal force is greater than desirable centripetal force, then the ABS anti-lock braking system is pressed the braking situation of original program Control of Automobile wheel.
In above-mentioned a kind of anti-sideslip control system based on the ABS anti-lock braking system, described automobile corner detector is a steering wheel angle sensor, is arranged at the bearing circle place.
In above-mentioned a kind of anti-sideslip control system based on the ABS anti-lock braking system, described automobile corner detector is the wheel steering angle sensor, is arranged at the vehicle front place.
In above-mentioned a kind of anti-sideslip control system based on the ABS anti-lock braking system, described automobile side angle acceleration detector is the automobile side angle acceleration pick-up.
Compared with prior art, this is strong based on the anti-sideslip control system side direction antiskid kinetic force of ABS anti-lock braking system, can prevent the generation of the hazard event that loses steering capability or whipping that automobile causes because of sideslip effectively.
Description of drawings
Fig. 1 is this structural representation based on the anti-sideslip control system of ABS anti-lock braking system.
Fig. 2 is this workflow diagram based on the anti-sideslip control system of ABS anti-lock braking system.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1 and Figure 2, this anti-sideslip control system based on the ABS anti-lock braking system mainly comprises automobile side angle acceleration pick-up, steering wheel angle sensor, car speed sensor, controller and actuating unit, car speed sensor is the abs sensor in the ABS system, controller is automobile specified microcomputerized controller (is ECU, below all replace with ECU).Automobile side angle acceleration pick-up, steering wheel angle sensor and abs sensor all link with ECU, and the automobile side angle acceleration pick-up is used to detect the lateral acceleration of automobile; Steering wheel angle sensor is used to detect the corner angle of automobile, is installed on the automobile steering wheel; Abs sensor is used to detect the speed of a motor vehicle of automobile.Also connect an actuating unit on the controller, actuating unit can receive the instruction that ECU sends, and vehicle wheel braking force is regulated.
Automobile in the process of moving, if automobile turning, this is in the mode of operation of braking on curve based on the anti-sideslip control system of ABS anti-lock braking system, steering wheel sensor detects the corner angle of automobile and sends to ECU, abs sensor detects car speed and sends to ECU, ECU goes out the radius of vehicle driving trace by the above-mentioned data computation that receives, and then calculate automobile and keep the required centripetal force of state of kinematic motion this moment, be desirable centripetal force Fi, and revise, coefficient of correction is that (u≤1 is because automobile is a height nonlinear system to u, and have certain sideslip also to belong to security situation in the driving process), obtain revised desirable centripetal force uFi.Simultaneously, the automobile side angle acceleration pick-up detects the lateral acceleration under the automobile state of kinematic motion this moment and sends to ECU, and ECU calculates automobile actual centripetal force Fs this moment.ECU compares actual centripetal force Fs and revised desirable centripetal force uFi, and when actual centripetal force Fs was less than or equal to revised desirable centripetal force uFi, then automobile had sideslip, ECU sends instruction to actuating unit, reduce brake-pressure, thereby increase centripetal force Fs, prevent skid; As actual centripetal force Fs during greater than revised desirable centripetal force uFi, then automobile does not have sideslip, and this takes over Control work based on the anti-sideslip control system of the ABS anti-lock braking system state of deactivating by the ABS original program.
In addition, above-mentioned automobile corner detector can also be the wheel steering angle sensor, is arranged at the vehicle front place, and links with ECU, obtains automobile corner angle by detecting wheel steering angle, and sends to ECU and calculate.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. anti-sideslip control system based on the ABS anti-lock braking system, described ABS anti-lock braking system comprises controller and all with the joining car speed sensor of this controller be used to regulate the actuating unit of wheel braking force, it is characterized in that, described anti-sideslip control system also comprises all and above-mentioned controller joining automobile corner detector and automobile side angle acceleration detector, described automobile corner detector and automobile side angle acceleration detector are respectively applied for corner angle and the lateral acceleration size that detects automobile, when controller receives above-mentioned car speed sensor, the information that automobile corner detector and automobile side angle acceleration detector send is handled and is judged when automobile is in the sideslip state, and the control executing mechanism that transmits control signal reduces braking force.
2. a kind of anti-sideslip control system based on the ABS anti-lock braking system according to claim 1 is characterized in that described automobile corner detector is a steering wheel angle sensor, is arranged at the bearing circle place.
3. a kind of anti-sideslip control system based on the ABS anti-lock braking system according to claim 1 is characterized in that described automobile corner detector is the wheel steering angle sensor, is arranged at the vehicle front place.
4. a kind of anti-sideslip control system based on the ABS anti-lock braking system according to claim 1 is characterized in that described automobile side angle acceleration detector is the automobile side angle acceleration pick-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200748404U CN201989777U (en) | 2011-03-21 | 2011-03-21 | Sideslip preventive control system based on ABS (anti-lock brake system) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200748404U CN201989777U (en) | 2011-03-21 | 2011-03-21 | Sideslip preventive control system based on ABS (anti-lock brake system) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989777U true CN201989777U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200748404U Expired - Lifetime CN201989777U (en) | 2011-03-21 | 2011-03-21 | Sideslip preventive control system based on ABS (anti-lock brake system) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989777U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117150A (en) * | 2016-02-25 | 2017-09-01 | 南京理工大学 | Vehicle limited slip control system and anti-skid control method based on data fusion |
-
2011
- 2011-03-21 CN CN2011200748404U patent/CN201989777U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117150A (en) * | 2016-02-25 | 2017-09-01 | 南京理工大学 | Vehicle limited slip control system and anti-skid control method based on data fusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |
|
| CX01 | Expiry of patent term |