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Control and Simulation Analysis of the Electric Wheel Dump Truck Based on Active Disturbances Rejection Controller
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  • WEI Wenxiang1,2, LIU Guorong1,3

    WEI Wenxiang1,2, LIU Guorong1,3

    (1. College of Electrical and Information Engineering, Hunan Univ, Changsha, Hunan410082, China; 2. Engineering Research Center of Advanced Mining Equipment, Ministry of Education, Hunan Univ of Science and Technology, Xiangtan, Hunan411201, China; 3. Dept of Electrical and Information Engineering, Hunan Institute of Engineering, Xiangtan, Hunan411104, China)
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    Abstract:

    To address the poor robust control and large scale parameter timevarying of inductionmotor variablefrequency speed regulation system in electric wheel dump truck, a kind of control scheme for inductionmotor variablefrequency speed regulation systems was proposed on the basis of the variable structure active disturbances rejection controller (ADRC), the change in rotor resistance was regarded as the inner disturbance of the flux subsystem , the effect of load change as exterior disturbances of the rotate speed subsystem respectively , and the extended state of an extended state observer (ESO) was used for estimation and compensation. The control scheme can solve such problems as the effect of timevarying parameter on the decoupling performance of a vector control system; and its dynamic control performance is superior to the traditional PI controller. Simulation result has verified the rationality and validity of the scheme.

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