Sliding-mode Control for Linear Permanent-magnet Motor Position Tracking
نویسندگان
چکیده
Based on Utkin’s research work regarding speed control of rotary motors, a position tracking algorithm for linear permanent magnet synchronous motors (LPMSM) is designed making use of multi-variable sliding-mode control and asymptotic observers. It is applicable to LPMSM’s with either interior or surfacemounted magnets, no matter whether the armature is stationary or movable. Furthermore, the control signals yielded are able to drive the power transistors of the inverter feeding the motor directly, hence avoiding the employment of techniques such as PWM or SVM. Performance of the control structure proposed is evaluated on the simulation model of a commercially available LPMSM. Copyright c ©2005 IFAC
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