Intelligent braking control system of pure electric passenger car and control method of intelligent braking control system

A pure electric bus, brake control technology, applied in the direction of electric vehicles, brakes, control drive, etc., can solve the problems of prone to traffic accidents, low speed, traffic congestion, etc., and achieve the effect of improving energy recovery efficiency

Inactive Publication Date: 2016-10-26
JILIN UNIV
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Under the driving conditions of the city, due to the traffic congestion and low speed, the passenger car often starts and stops repeatedly, which causes a great waste of energy and is prone to traffic accidents

Method used

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  • Intelligent braking control system of pure electric passenger car and control method of intelligent braking control system
  • Intelligent braking control system of pure electric passenger car and control method of intelligent braking control system
  • Intelligent braking control system of pure electric passenger car and control method of intelligent braking control system

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specific Embodiment approach

[0067] The invention provides a set of intelligent pure electric passenger car braking system and its control method, not only can realize the precise distribution of the braking force of the front axle and the rear axle through the double-control proportional relay valve, but also can realize the braking force through the ABS solenoid valve on the rear axle. The precise distribution of rear axle pneumatic braking force and motor regenerative braking force, and at the same time, when the electronic control part fails, conventional braking can be performed to ensure braking safety. The braking system realizes active braking and emergency braking through the active pressure control module. In order to further illustrate the technical solution of the present invention, in conjunction with the accompanying drawings, the specific implementation of the present invention is as follows:

[0068] Such as figure 1 As shown, the present invention provides a kind of intelligent pure elec...

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Abstract

The invention provides an intelligent braking control system of a pure electric passenger car and a control method of the intelligent braking control system. The braking control system comprises wheel speed sensors, an accelerating pedal device, accelerating pedal sensors, a braking pedal device, braking pedal sensors, a motor braking system, a pneumatic braking system and a controller VCU, wherein the pneumatic braking system comprises an air braking assembly, a conventional travelling braking air channel, a driving anti-skid braking air channel and a parking braking air channel, wherein the air braking assembly is formed by an air compressor, an unloading valve and a four-circuit protection valve which are sequentially connected; the control method of the braking control system comprises a conventional braking control method, an ABS control method and a driving anti-skid control method, and a corresponding braking strategy is selected according to the braking strength Z and a battery SOC situation. According to the intelligent braking control system and the control method thereof disclosed by the invention, under the premise that the braking safety is guaranteed, the braking energy recovering rate is improved.

Description

technical field [0001] The invention belongs to the technical field of automobile braking, and in particular relates to an intelligent pure electric passenger car braking control system and a control method thereof, which is applicable to the air pressure braking system of an electric passenger car. Background technique [0002] With the consumption of energy, the deterioration of the environment and the advancement of technology, the intelligentization and electrification of automobiles is the development trend of the automobile industry. Car intelligence is to make cars safer and more comfortable. Electric vehicles have the function of braking energy recovery, which can save energy. Under the urban driving conditions, due to the heavy traffic and low speed, passenger cars often start and stop repeatedly, which causes a great waste of energy and is prone to traffic accidents. [0003] The braking system of an intelligent pure electric bus needs to take into account both b...

Claims

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Application Information

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IPC IPC(8): B60T13/68B60T13/74B60T8/172B60T8/1755B60L15/28
CPCB60L15/2009B60L15/28B60L2240/423B60L2260/44B60T8/172B60T8/17551B60T13/683B60T13/748Y02T10/72
Inventor 李静石求军户亚威夏承贺张雪碧张成潘忠亮
Owner JILIN UNIV
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