Tire blow-out control for direct drive electric vehicles using reconfiguration of torque distribution and vertical load

Author:

Yang Lu1ORCID,Yue Ming12ORCID,Tian Haoyu1,Yao Baozhen1

Affiliation:

1. School of Automotive Engineering, Dalian University of Technology, China

2. State Key Laboratory of Robotics and System, Harbin Institute of Technology, China

Abstract

This paper proposes a composite stability control strategy for tire blowout electric vehicle with explicit consideration of vertical load redistribution, subject to multi-constraints, uncertainty and redundant actuation. To readily implement system state and actuator increment constraints, a model predictive controller is designed to enhance vehicle stability performance and original lane keeping. Meanwhile, a sliding mode control-based longitudinal velocity controller is collaboratively proposed for maintaining the original longitudinal velocity after tire blowout in the freeway, which can reduce considerably the rear-end collision accidents. After that, a constrained weighting least square-based reconfigurable torque distributor is developed to realize the tracking of the virtual resultant yaw-moment and longitudinal tire force signals generated by the above controllers, considering system physical constraints and actuator capability simultaneously. Simulations with different tire blowout scenarios are conducted on the developed dynamic simulation platform to demonstrate the effectiveness of the designed control methods; furthermore, the influence of different tire blowout on the vehicle movement behaviors is discussed. Statistical results based on the system transient performance and control effort evaluating indictors highlight the considerable superiority of the developed model predictive controller compared with the linear quadratic regulator.

Funder

State Key Laboratory of Robotics and System Grant

Fundamental Research Funds for the Central Universities

National Natural Science Foundation of China

Publisher

SAGE Publications

Subject

Instrumentation

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