Drive anti-ship control system of four-wheel driving electric automobile and method therefor

A technology of electric vehicles and four-wheel drive, which is applied in the direction of electric vehicles, safety devices of power plant control mechanisms, motor vehicles, etc. It can solve problems such as difficult vehicle speeds, eliminate slippage, prevent instability, and reduce motor drive torque Effect

Inactive Publication Date: 2007-08-29
SHANGHAI FUEL CELL VEHICLE POWERTRAIN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, four-wheel drive vehicles do not have non-driving wheels, and it is difficult to obtain accurate vehicle speed directly, which makes

Method used

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  • Drive anti-ship control system of four-wheel driving electric automobile and method therefor
  • Drive anti-ship control system of four-wheel driving electric automobile and method therefor

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] As shown in Figure 2, the present invention comprises signal processor 1, antiskid controller 2, torque regulator 3, and signal processor 1 is used for processing each wheel speed and drive torque signal, so that obtain control signal; Antiskid controller 2 is used to calculate the driving torque of each wheel; the torque regulator 3 is used to redistribute the driving torque of each wheel to ensure the balance of the yaw moment of the vehicle.

[0019] As shown in Figure 1, at first the signal processor 1 judges the slipping state parameters of the wheels according to the four wheel driving torques, the wheel rotational angular speeds or the angular accelerations, and the anti-skid controller 2 calculates the slipping state parameters of each wheel according to the slipping state parameters. The driving torque is then redistributed and adjusted ...

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Abstract

The invention discloses a driving antislipping control system and the method for four-wheel drive electric automobile. It includes DSP, antislipping controller and torque adjuster. The DSP is used to process rotating speed of wheels and driving torque signal to gain control signal, and the antislipping controller is used to calculate the driving torque. The torque adjustor is used to redistribute torque to ensure balance of transverse torque. The invention would achieve the target of avoid wheel slipping.

Description

Technical field [0001] The present invention relates to a drive anti-skid control system and method for an electric vehicle, and more specifically, to a drive anti-skid control system and method applied to a four-wheel drive electric vehicle. Background technique [0002] As the number of automobiles increases, issues such as energy and environmental protection have gradually become major obstacles to the development of the automobile industry. In the past two decades, the governments of Western industrialized countries have regarded the research and development of electric vehicles as an effective means to solve environmental and energy problems, and have provided strong economic support. The research and development of new energy vehicles such as fuel cell vehicles and electric vehicles has been further accelerated. [0003] Four-wheel drive electric vehicles have unique advantages in energy conservation and environmental protection. The driving torque of its four wheels ...

Claims

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Application Information

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IPC IPC(8): B60K28/16B60L15/20
CPCY02T10/7275Y02T10/72
Inventor 万钢余卓平左建令张立军熊璐
Owner SHANGHAI FUEL CELL VEHICLE POWERTRAIN
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