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A new nonlinear trajectory tracking controller is proposed for a mobile robot based on the stability theory of cascaded system. To relax the persistency exciting assumption on the reference angular velocity, the whole tracking errors are divided into the cross track error and orientation error subsystem and the forward track error subsystem, not as in the former research. The back-stepping technique...
This paper introduces the nonlinear speed control scheme for a permanent magnet synchronous motor (PMSM) drive. Based on the designed nonlinear sliding-mode control tracking a linear reference model, the adaptive backstepping control approach is utilized to derive the control scheme, which is robust to the mismatched parameter uncertainties and load torque disturbance. With the proposed control, the...
This paper investigates a nonlinear speed control scheme for a brushless DC motor (BLDC) drive. In order to achieve high performance speed tracking, an adaptive backstepping controller is designed to obtain the reference voltage for the pulse width modulation (PWM) control which does not require the traditional PI controller. To regulate the dynamics of the drive system, the proposed controller is...
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