지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
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Recent advances in the area of AC motor control make it possible apply the laws of time optimal to high performance Induction Motor servo system, the use of the vector control system based on slip-frequency control results in close similarity between a separately excited DC motor and a vector controlled AC motor.
The time optimal position control strategy based on the Pontryagin's minimum principle is applied to the current controlled PWM inverter fed induction motor servo system. The induction motor with field oriented control is modelled with a fast time optimal position control system of second order which has two modes of operation; the first bang-bang mode operates until the position is close to target, followed by second linear feedback mode which gives asymptotic stability.
In order to realize this aim, the authors are adopted the current controlled PWM inverter with hysteresis controller. The controller produces a PWi voltage waveform based on a comparison of the actual phase currents with a reference current.
The time optimal controller is added instead of the speed controller to the conventional field oriented control loop of the current controlled PWM inverter fed induction motor.
Simulation results demonstrate the predicted performance.
The time optimal position control strategy based on the Pontryagin's minimum principle is applied to the current controlled PWM inverter fed induction motor servo system. The induction motor with field oriented control is modelled with a fast time optimal position control system of second order which has two modes of operation; the first bang-bang mode operates until the position is close to target, followed by second linear feedback mode which gives asymptotic stability.
In order to realize this aim, the authors are adopted the current controlled PWM inverter with hysteresis controller. The controller produces a PWi voltage waveform based on a comparison of the actual phase currents with a reference current.
The time optimal controller is added instead of the speed controller to the conventional field oriented control loop of the current controlled PWM inverter fed induction motor.
Simulation results demonstrate the predicted performance.
목차
ABSTRACT
INTRODUCTION
SIMULATION PROCEDURE FOR TIME OPTIMAL CONTROL
SOLUTION OF TIME OPTIMAL CONTROL PROBLEM
SOFTWARE CONFIGURATION FOR THE TIME OPTIMAL POSITION CONTROL
SIMULATION RESULTS
CONCLUSION
REFERENCES
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