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Control method of braking energy recovery system

A technology of braking energy recovery and control method, applied in electric braking system, braking control system, ABS control system and other directions, can solve problems such as affecting braking performance and vehicle stability, and achieve the effect of low cost

Active Publication Date: 2018-09-28
WUHU BETHEL AUTOMOTIVE SAFETY SYST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The invention provides a braking energy recovery system, the purpose of which is to solve the problem of different adhesion coefficients f between emergency braking and conventional braking. z Problems affecting braking performance and vehicle stability on roads

Method used

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  • Control method of braking energy recovery system
  • Control method of braking energy recovery system
  • Control method of braking energy recovery system

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Embodiment Construction

[0043] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0044] Such as figure 1 The structure of the present invention shown is a braking energy recovery system, including an ABS controller, a motor controller and a motor. The invention also relates to the road recognition control algorithm of the braking energy recovery system.

[0045] In order to solve the problems existing in the prior art and overcome its defects, and realize the purpose of the invention to solve the problem of affecting the braking performance and the stability of the whole vehicle on roads with different adhesion coefficients of emergency braking and conventional braking, the technology adopted in the present inv...

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Abstract

The invention discloses a braking energy recovery system. The system comprises an ABS controller, a motor controller and a motor, wherein the braking energy recovery system is provided with a pavement recognition module, and a signal input end of the pavement recognition module is connected with a wheel speed signal output signal in the ABS controller; the signal output end of the pavement recognition module is connected with the motor controller. The invention further discloses a control method of the system. Through the adoption of the above technical scheme, a pavement recognition algorithm program module is added to enable the braking energy recovery function to directly quit while recognizing the emergency brake; under the normal brake, the relatively maximum motor braking force is provided according to the pavements with different adhesion coefficients in the premise of preferably guaranteeing the vehicle travelling security, thereby guaranteeing the relatively maximum braking energy recovery rate. The technical scheme provided by the invention is low in cost.

Description

technical field [0001] The invention belongs to the technical field of pure electric vehicles and hybrid vehicles, and relates to braking systems thereof, more specifically, the invention relates to the braking energy recovery system of the above-mentioned vehicles. The present invention mainly relates to the control method of the system. Background technique [0002] At present, the braking energy recovery system has been widely used in new energy vehicles such as pure electric vehicles and hybrid vehicles, and has become an important method for increasing the cruising range. Its working principle is: during the braking process of the vehicle, the driving motor acts as a generator, which converts the kinetic energy of the vehicle into electrical energy and stores it in the power battery, and at the same time converts the torque of the motor into braking force to realize motor braking. The amount of energy recovered from braking energy is proportional to the applied braking...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T8/17B60T8/171B60L7/10
CPCB60L7/10B60T8/17B60T8/171B60T2201/02B60T2210/10B60T2270/10B60T2270/602B60T2270/608
Inventor 张高超张平平潘金鹏马永富
Owner WUHU BETHEL AUTOMOTIVE SAFETY SYST
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