Model-free adaptive sliding mode control for intelligent vehicle longitudinal dynamics

Author:

Zhang-qi Feng1ORCID,Hao-bin Jiang1,Qi-zhi Wei1,Yang-ke Hong1,Abiodun Oluwaleke Ojo2

Affiliation:

1. School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, Jiangsu, China

2. School of Energy and Power Engineering, Jiangsu University, Zhenjiang, Jiangsu, China

Abstract

Vehicle longitudinal dynamics system has the characteristics of being strongly non-linear, time-varying, and multiple-perturbed, so, it is difficult to build the mathematical model accurately. The control algorithms, based on accurate mathematical model, can hardly achieve the ideal effect, but control methods, which merely adopt input/output data (I/O) of a system, provides a solution. In this paper, by means of combing model-free adaptive control (MFAC) and sliding-mode control (SMC), the model-free adaptive sliding mode control (MFASMC) method is proposed. By comparison with feedback-feedforward control method, the MFASMC method can better improve the control effect and anti-disturbance performance. Meanwhile, the stability of MFASMC method was proven mathematically. Besides, the parameters of MFASMC method were optimized using genetic algorithm. Results of simulation and HiL test shows that the MFASMC method has fast response, strong robustness and smooth output. It would be better to apply it to the longitudinal dynamics control of intelligent vehicles.

Funder

Humanoid steering handling mechanism and coordinated control of intelligent vehicle based on MAS model

Publisher

SAGE Publications

Subject

Mechanical Engineering

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