National Taiwan Ocean University Institutional Repository:Item 987654321/36967
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题名: Blowers of Vacuum Cleaners Utilizing Coreless and Sensorless Axial-flux Motors with Edge-wire Coils
作者: Hsing-Cheng Yu;Chih-Chiang Wang;Chau-Shin Jang;Wen-Yang Peng;T. S. Liu
余興政
贡献者: NTOU:Department of Systems Engineering and Naval Architecture
國立臺灣海洋大學:系統工程暨造船學系
关键词: Axial-Flux;Coreless;Edge-Wire Coil;Sensorless;Velocity Control
日期: 2013-01
上传时间: 2015-05-20T01:32:54Z
出版者: Applied Mechanics and Materials
摘要: Axial-flux motors (AFM) generally have higher torque and power densities, smaller volume and weight, larger diameter to length ratio, and compact construction for the same power level than radial-flux motors (RFM). Hence, AFM are attractive alternative to conventional RFM for applying in low torque and speed servo control systems. Additionally, magnetic Hall-effect sensors and commutation circuits are unsuitable for environment with high temperature and restricted space, so sensorless driving control method of AFM by detecting zero-crossing of back-EMF signals has been achieved. Furthermore, coreless design can reduce motor total weight, normal attractive force and torque pulsation and can increase efficiency of machines as compared with conventional design with cores. Thus, this study focuses on sensorless AFM design applying for blowers in vacuum cleaners to follow the concepts of axial-flux, edge-wire with high space-utilization factors, and stators without ferromagnetic cores. The closed-loop velocity controller designs by adopting proportional-integral-derivative (PID) and fuzzy logic control (FLC) algorithms have been demonstrated effectively for the design sensorless AFM of blowers in vacuum cleaners. As a result, the settling time of velocity closed-loop control methods can be converged within 1.0 second; i.e. the vacuum cleaners can switch and operate in various speeds with different operational environment rapidly. Therefore, the system characteristics and lifetime of the designed sensorless AFM have been enhanced and satisfied the demands of blowers to employ in vacuum cleaners.
關聯: 284-287, pp.1770-1777
URI: http://ntour.ntou.edu.tw/handle/987654321/36967
显示于类别:[系統工程暨造船學系] 期刊論文

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