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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/69001

    Title: 應用單晶片之無轉軸感測器切換式磁阻馬達驅動系統;Development of sensorless switched reluctance motor drive system using microcontroller
    Authors: 林士耀;Lin,Shi-yao
    Contributors: 電機工程學系
    Keywords: 切換式磁阻馬達;無轉軸偵測元件之轉軸角度估測;單晶片;switched reluctance motor;sensorless;microcontroller
    Date: 2015-08-24
    Issue Date: 2015-09-23 14:52:43 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 中文摘要

    The objective of thesis is to develop a sensorless switched reluctance motor (SRM) drive system with a low cost microcontroller. First, the principle, structure and mathematical model of the switched reluctance motor are introduced. Next, the designs of switched reluctance motor and drive system are discussed. Moreover, two sensorless methods of drive system are derived. At last, it is attested by simulation and experiment. The first method calculates the value of flux-linkage from the measurement of voltage and current. Consequently, the estimated rotor angle can be obtained by using a look-up table. Then, the closed-loop speed control of the switched reluctance motor can be accomplished. The other method estimates the self-inductance of windings by detecting the time derivative of the stator current with the assistance operating states of converter, and the estimated rotor angle can also be obtained by using a look-up table. The speed control can be achieved the same as the first method. In addition, a microcontroller CS6257, manufactured by Myson Century, Inc. is adopted to develop the proposed switched reluctance motor drive system. Finally, some experimental results are given to verify the feasibility of the proposed sensorless control system.
    Appears in Collections:[電機工程研究所] 博碩士論文

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