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송현수(H.S. Song),안영주(Y.J. An),안진우(J.W. Ahn) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
The environmental problem and the dram of petroleum fuel resources has been became the center of public interest. So the electric drive attracts public attention The vehicles for indoor works should not pollute air Therefore it is also useful that applying electric drive to such an appliance<br/> An 12[kw] SRM for a pallet truck drive is developed and tested The drive system has to operate with low voltage and high current. The small size, robustness, high efficiency make it possible to replace with DC motor<br/> Test results show that pallet truck W1th SRM has better characteristics than that of the DC motor performance.<br/>
김태형(T.H. Kim),안영주(Y.J. An),안진우(J.W. Ahn) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
<br/> In a switched reluctance motor drive, it is important to synchronize the stator phase excitation with the rotor position, because the position of rotor is an essential information In the high-speed region, switching angles are fluctuated back and forth out of the preset value, which is caused by the sampling period of the microprocessor.<br/> In this paper, a low cost analog encoder suitable for practical applications is proposed The validity of the proposed analog encoder with a proper logic controller is verified from the experiments<br/>