• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2001.05a
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• pp.684-687
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• 2001

In this paper, we propose a ADALINE controller using fuzzy-backpropagation algorithm to adjust weight. In the proposed ADALINE controller, using fuzzy algorithm for traning neural network, controller make use of ADALINE due to simple and computing efficiency. And then it applies to servo-motor as an controlled process. And then it take a simulation for the position control, so the verify the usefulness of the proposed ADALINE controller.

• Proceedings of the KIEE Conference
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• 1993.07b
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• pp.883-885
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• 1993

This paper presents a integral-augumented nonlinear sliding surface without a reaching phase. The conventional linear sliding surface has reaching phase, and sliding mode can't realized during this phase, the trajectories may he sensitive to the load disturbances. An proposed algorithm does not have reaching phase, so robust to the load disturbances.

• The Transactions of the Korean Institute of Power Electronics
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• v.9 no.3
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• pp.294-302
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• 2004

In this study, we developed the inverter system to control Induction motor for the vertically circulation parking facility. In the case of calling a pallet, a car parking space, we basically stoned conventional system's problems, pallet is uncontrollable to the fixed position and braking system was worn by forcer braking with remaining speed. Also, by appling to converter controller, added to power regenerative control function, we confirmed the reduce of power supply capacity and the energy saving effect according to increasing operation frequency. The validity of this system is verified by 55kw induction motor driving system. Via this study, the proposed system shows the efficient use of parking facility and good operation characteristics by implementing position and speed control effectively on condition of load and shows energy saying effect by power factor control for the vertically circulation parking facility operation.