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Model predictive control (MPC) strategy is a typical optimization predictive control method. MPC can achieve satisfying control performance with lower model parameter dependency, and it has been widely applied in process control systems. To improve the system reliability and reduce the hardware cost, extended Kalman filter (EKF) was introduced to achieve sensorless operation. A novel speed sensorless...
A novel robust control scheme employing three first-order auto-disturbance rejection controllers (ADRCs) is presented for the speed control of induction motor drives. Compared with the existing high-order ADRC-based speed control structures, the proposed method does not need to estimate the rotor flux. As a result, the implementation of the proposed scheme on a digital signal processor (DSP) is easier,...
Double-motors-double-screws (DMDS) drive system is used in the feeding system of the high precision machine tool to improve the rigidity and to eliminate the effect of the backlash nonlinearity. The parameters in this system change with the working condition, the traditional control method cannot achieve the desirable performance. In this paper, we established the mathematical model of the DMDS drive...
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