Simulation Research on Vehicle Active Suspension Controller Based on G1 Method

2017 3rd International Conference on Applied Materials and Manufacturing Technology

Li, Gen^1 ; Li, Hang^1 ; Zhang, Shuaiyang^1 ; Luo, Qiuhui^1

School of Mechatronics Engineering, He'Nan University of Science and Technology, Luoyang

471003, China^1

关键词: Comprehensive performance;    Optimal control theory;    Performance indices;    Relational analysis;    Simulation research;    Vehicle acceleration;    Vehicle active suspensions;    Weighting coefficient;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/242/1/012102/pdf
DOI  :  10.1088/1757-899X/242/1/012102

来源: IOP

【 摘 要 】

Based on the order relation analysis method (G1 method), the optimal linear controller of vehicle active suspension is designed. The system of the main and passive suspension of the single wheel vehicle is modeled and the system input signal model is determined. Secondly, the system motion state space equation is established by the kinetic knowledge and the optimal linear controller design is completed with the optimal control theory. The weighting coefficient of the performance index coefficients of the main passive suspension is determined by the relational analysis method. Finally, the model is simulated in Simulink. The simulation results show that: the optimal weight value is determined by using the sequence relation analysis method under the condition of given road conditions, and the vehicle acceleration, suspension stroke and tire motion displacement are optimized to improve the comprehensive performance of the vehicle, and the active control is controlled within the requirements.