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A simple robust control method based on an observer with a multiple integrator plant model is investigated for a DC motor based drive with a flexible load. The problem of controlling the drive with unknown parameters and an external load torque is converted to the simple task of state control of the known plant model. The only information required for commissioning is the specified closed loop dynamics...
The design of a robust two-degree-of-freedom (2-DOF) controller for a flight motion simulator is presented. Considering the load variation, torque disturbance, high-frequency mechanical resonance, input saturation and tracking precision, the controller is designed including a feedback controller and a feedforward controller to satisfy robust stability and robust performance simultaneously. The computation...
A nonlinear speed controller is designed using a fuzzy control strategy based on a Takagi-Sugeno (TS) modelling and robust control approach for a mini unmanned helicopter 2-cylinder, two-stroke, electronic fuel injection engine. A physical nonlinear model of the engine is presented and transformed into an uncertain fuzzy TS model to address the nonlinear system characteristics. Then, a robust nonlinear...
A robust position controller with variable structure control (VSC) and dynamic recurrent fuzzy wavelet network (DRFWN) technique for permanent magnet synchronous motor (PMSM) is presented in this paper. Based on the VSC method, the closed-loop system can system dynamics with an invariance property to uncertainties. However, the sliding controller based the assumption of known uncertainty bounds often...
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