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Clamping force control system for electronic mechanical brake of commercial vehicle and control method thereof

An electronic mechanical braking and control system technology, applied in the direction of brakes, etc., can solve the problems of only focusing on the response and following performance of the clamping force, without considering the driver's operating behavior, and poor response performance of the clamping force. reliability and reusability, shortening control time, and improving braking performance

Inactive Publication Date: 2019-11-19
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the currently known electromechanical brake clamping force control technology solutions only focus on the response and follow-up performance of the clamping force, and do not consider the driver's operation behavior during the deceleration braking process. Problems such as poor performance, poor versatility and flexibility

Method used

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  • Clamping force control system for electronic mechanical brake of commercial vehicle and control method thereof
  • Clamping force control system for electronic mechanical brake of commercial vehicle and control method thereof
  • Clamping force control system for electronic mechanical brake of commercial vehicle and control method thereof

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specific Embodiment approach

[0035] In order to clearly and completely describe the technical solution of the present invention and its specific working process, in conjunction with the accompanying drawings, the specific implementation of the present invention is as follows:

[0036] Such as figure 1 As shown, the present invention provides a commercial vehicle electromechanical brake clamping force control system, the control system is composed of a signal acquisition module, an upper control module, a lower control module and an actuator control module.

[0037] The actuator controlled by the actuator control module includes a three-phase brushless DC motor, a screw and nut mechanism, a push rod mechanism and an air pressure disc brake caliper, wherein the three-phase brushless DC motor is used as the power device of the brake; the screw and nut mechanism As the motion conversion device of the brake, the motion conversion device refers to a device that converts the rotary motion output by the power pla...

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Abstract

The invention discloses a clamping force control system for an electronic mechanical brake of a commercial vehicle and a control method thereof. The control system comprises a signal acquisition module, an upper layer control module, a lower layer control module and an actuator control module; and the control method is that a signal input module is used for transmitting a driver accelerator pedaland a brake pedal operation data signal to the upper layer control module, the upper layer control module judges the driver accelerator pedal operation behavior and control mode and transmits the obtained target clamping force or the linear motion target position signal of a motion conversion device to the lower layer control module, the lower layer control module adjusts the motor target rotationspeed through feedback to adjust the motor current, and finally the execution mechanism is driven to operate and output clamping force through a motor driving unit. According to the clamping force control system and the control method, the accelerator pedal operating behavior of a driver is fully considered, the corresponding control method is set for different control modes, the clamping force control time is shortened, and the braking performance of the vehicle is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of automobile wire-controlled chassis and its control, and in particular relates to a commercial vehicle electromechanical brake clamping force control system and a control method thereof. Background technique [0002] With the rise of emerging industries and technological revolutions such as big data, cloud computing, and artificial intelligence, automobiles have become a complex of industries and disciplines such as machinery, electricity, computers, information, artificial intelligence, and ergonomics. A national strategy for industrial transformation and upgrading, and the realization of innovative development. [0003] In the field of commercial vehicle braking, compared with traditional pneumatic brakes, electromechanical brakes do not require large and complicated pneumatic pipelines, air storage tanks, air compressors, bridge control valves, proportional valves, and relay valves, which can effectivel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T8/17
CPCB60T8/17
Inventor 李静吴桐范天昕何闫孟令帅
Owner JILIN UNIV
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