Research on roll-over protective structure test bench loading method based on fuzzy active disturbance rejection control technology

Tao Song; Lin Yu; Gang Li

doi:10.1117/12.2679544

18 July 2023 Research on roll-over protective structure test bench loading method based on fuzzy active disturbance rejection control technology

Tao Song, Lin Yu, Gang Li

Author Affiliations +

Proceedings Volume 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023); 127222V (2023) https://doi.org/10.1117/12.2679544
Event: International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 2023, Hangzhou, China

Abstract

The ROPS (Rollover Protection Structure ) test bench is a mechanism used to detect the vehicle ROPS. For the consideration of loading capacity and loading speed, the hydrostatic loading method is widely used at present. In the specific test process, due to the strong nonlinearity of the hydraulic cylinder and the unknown load disturbance caused by the unpredictability of the loading structure, the stability of the control system of the test bench will be reduced, and due to the detection of the protection ability of the three directions of ROPS, there is still a problem of long loading time in the experiment. Aiming at this problem, a fuzzy active disturbance rejection position control system combining fuzzy control algorithm and active disturbance rejection control algorithm is proposed. Firstly, the composition and principle of fuzzy active disturbance rejection position control system are introduced. The mathematical model of the system is established. The position control strategy and specific control method of the static pressure test bench are proposed, and an active disturbance rejection controller is designed. Then the electro-hydraulic co-simulation model is established to study the position control performance and system stability of the ADRC. Finally, the effectiveness of the fuzzy active disturbance rejection control algorithm is verified by real machine test. The results show that the fuzzy active disturbance rejection controller has higher stability and shorter detection time than the fuzzy PID controller.

Citation Download Citation

Tao Song, Lin Yu, and Gang Li "Research on roll-over protective structure test bench loading method based on fuzzy active disturbance rejection control technology", Proc. SPIE 12722, Third International Conference on Mechanical, Electronics, and Electrical and Automation Control (METMS 2023), 127222V (18 July 2023); https://doi.org/10.1117/12.2679544

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KEYWORDS

Fuzzy logic

Picosecond phenomena

Control systems

Servomechanisms

Design and modelling

Device simulation

Signal processing

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