Abstract
In this paper, the problem of chaos control of the parameter-uncertain permanent magnet synchronous motor (PMSM), with both fixed and uncertain pulse disturbance, is discussed. In the operation of the motor, disturbance is widespread which leads to the emergence of chaotic behaviours, which threatens the security of the drive system. To control the undesirable chaos in the PMSM, a new control scheme which depends on the external torque is designed. Based on the Lyapunov stability theorem and matrix theory, several sufficient conditions have been derived to ensure the global asymptotical stability and the exponential stability for the pulse disturbed and parameter-uncertain PMSM. A numerical example is given to demonstrate the effectiveness of the proposed results.
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