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Antiskid control system and method for mixed power automobile

The technology of a hybrid electric vehicle and a control method, which is applied in the field of hybrid electric vehicles, can solve problems such as the inability to control the anti-skid of the vehicle, and achieve the effects of avoiding vehicle instability, improving acceleration performance, improving safety and climbing ability

Active Publication Date: 2012-03-28
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing ABS and ASR are all aimed at the car driven only by the engine, but cannot perform anti-skid control on the car driven by the mixed drive of the engine and the electric motor.

Method used

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  • Antiskid control system and method for mixed power automobile
  • Antiskid control system and method for mixed power automobile

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Embodiment Construction

[0014] see figure 1 , The antiskid control system of the hybrid electric vehicle of the present invention includes a wheel speed sensor, a wheel brake, an electric motor, an engine and an ABS / ASR integrated control unit. Wheel speed sensors 41 , 42 , 51 , 52 are installed on each wheel 6 , 8 , 11 , 13 of the hybrid vehicle, and the wheel speed sensors are used to detect the rotational speed of the corresponding wheel in real time. Each wheel of the hybrid vehicle is provided with wheel brakes 7, 9, 10, 12, and the wheel brakes are used to apply braking force to the wheels. Electric motor 2 is powered by power battery 16, and it drives left and right rear wheels 13,11. Engine 1 drives left and right front wheels 8,6. The ABS / ASR integrated control unit 3 is integrated with ABS and ASR control programs. The output terminals of each wheel speed sensor are connected to the ABS / ASR integrated control unit, and the output terminals of the integrated control unit are connected to ...

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Abstract

The present invention discloses one kind of antiskid control system for mixed power automobile. The antiskid control system includes wheel speed sensors for detecting the real-time speeds of the wheels, wheel brakes for braking the wheels separately, one engine and one motor for driving the mixed power automobile, and one ABS / ASR integrated control unit connected to all the sensors, the brakes, the engine and the motor. When it receives an acceleration signal, the ABS / ASR integrated control unit regulates the output torque of the engine or the motor; and when it receives a braking signal, it regulates the braking force of the wheel brake. The present invention can reduce the slip rate of mixed power automobile effectively and raise its safety.

Description

technical field [0001] The invention relates to the field of hybrid electric vehicles, in particular to an anti-skid control system of a hybrid electric vehicle. Background technique [0002] At present, ABS and ASR have gradually become standard configurations on automobiles. The common goal of ABS and ASR is to limit the wheel slip rate within a certain acceptable range to ensure good driving performance of the vehicle. ABS (Anti-lock Braking System) is the anti-lock braking system of automobiles. It mainly controls and adjusts the pressure of the brake line to prevent the dangerous working conditions of the wheels from locking during the braking process of the vehicle, which can improve the handling performance of the vehicle. ; ASR (Anti-Slip Regulation) is a car drive anti-skid system, by adjusting the power output of the vehicle, making full use of the road adhesion rate, to achieve the effect of enhancing driving ability and handling stability. ASR usually has three ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60W10/08B60W10/184B60W30/02
Inventor 宋明陈伟夏承钢
Owner BYD CO LTD
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