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Energies 2013, 6(1), 312-328; doi:10.3390/en6010312
Article

Simulation Research on an Electric Vehicle Chassis System Based on a Collaborative Control System

1
, 1,*  and 2
1 National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China 2 College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China
* Author to whom correspondence should be addressed.
Received: 16 October 2012 / Revised: 24 December 2012 / Accepted: 7 January 2013 / Published: 14 January 2013
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Abstract

This paper presents a collaborative control system for an electric vehicle chassis based on a centralized and hierarchical control architecture. The centralized controller was designed for the suspension and steering system, which is used for improving ride comfort and handling stability; the hierarchical controller was designed for the braking system, which is used for distributing the proportion of hydraulic braking and regenerative braking to improve braking performance. These two sub-controllers function at the same level of the vehicle chassis control system. In order to reduce the potential conflict between the two sub-controllers and realize a coordination optimization of electric vehicle performance, a collaborative controller was built, which serves as the upper controller to carry out an overall coordination analysis according to vehicle signals and revises the decisions of sub-controllers. A simulation experiment was carried out with the MATLAB/Simulink software. The simulation results show that the proposed collaborative control system can achieve an optimized vehicle handling stability and braking safety.
Keywords: electric vehicle; suspension; steering; braking; collaborative control electric vehicle; suspension; steering; braking; collaborative control
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Peng, J.; He, H.; Feng, N. Simulation Research on an Electric Vehicle Chassis System Based on a Collaborative Control System. Energies 2013, 6, 312-328.

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