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가변구조제어 이론을 이용한 유도 서보 전동기의 위치제어
홍순일,홍정표,Hong Soon-Ill,Hong Jeng-Pyo 한국마린엔지니어링학회 2005 한국마린엔지니어링학회지 Vol.29 No.1
This paper describes the application of sliding mode control based on the variable structure control(VSC) concept for high-performance position control of an induction servo motor A design method based on external load parameters has been developed for the robust control of AC induction servo drive. Also, a slip frequency vector control with software current control technique has been adopted to achieve fast response of an induction motor drive The position control scheme is comprised of a variable structure controller and slip frequency vector control for inverter fed induction servo motor. Simulated results are given to verify the proposed design method by adoption of sliding mode and show robust control for a change of shaft inertia, viscous friction and torque disturbance.
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홍순일,홍정표,정승환,Hong, Soon-Ill,Hong, Jeng-Pyo,Jung, Seoung-Hwan 한국마린엔지니어링학회 2007 한국마린엔지니어링학회지 Vol.31 No.4
This paper presents a solution that an analytical model for an induction motor and the formula of regenerative power and instantaneous torque are derived. based on the spiral vector. The torque is controlled linearly through variations of the slip angular velocity, based on the field acceleration method (FAM). And also PWM inverter fed induction motor drives is schemed to be easily a regenerative drive. The voltage source inverter fed induction motor drives that regenerative power occurs with back current type is presented, to easily controlled the feedback power and to proper the adaption of energy shaving drives. The experimental tests verify the performance of the FAM, proving that food behavior of the drive is achieved in the transient and steady state operating condition, and are discussed to save the power that regenerative power is measured at the operating acceleration or deceleration of servo system.
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