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In the field of high-precision position control, the position response requires that there is no vibration. However, a permanent magnet synchronous motor (PMSM) has a wide variety of torque-ripple components, including cogging torque and flux harmonics, which degrade the control performance. Typically, these components are defined as a disturbance torque, and compensation is accomplished by using...
This paper presents a current control method applied to permanent magnet synchronous motors using sliding mode controller and disturbance observer. The current control is carried out at dq synchronous reference frame. The proofs of stability are developed from the Lyapunov analysis requirements. A sliding mode rotor speed observer is combined with the proposed current control scheme. Simulations results...
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