Transactions of China Electrotechnical Society  2016, Vol. 31 Issue (7): 173-178    DOI:
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Multi-Field Coupling Model Considering Dynamic Losses for Giant Magnetostrictive Transducers
Huang Wenmei, Xue Yinlong, Wang Li, Weng Ling, Wang Bowen
Key Laboratory of Electro-Magnetic Field and Electrical Apparatus Reliability of Hebei Province Hebei University of Technology Tianjin 300130 China

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Abstract  Based on the thermodynamic theory, the Jiles-Atherton model, the energy balance principle, and the structural dynamics principle of the transducer system, a multi-field coupling model of the giant magnetostrictive transducer is founded, which includes the magnetic-mechanical-thermal coupling terms and takes the dynamic losses into account. According to the proposed model, the relation between the magnet field and the output strain of the transducer is calculated using the numerical algorithm. Simulation results are in good agreement with the experimental ones, which indicates that the multi-fields coupling model considering the dynamic losses can well describe the actual working conditions of the transducer and provide theoretical guidance for design and development of the transducer in future.
Key wordsGiant magnetostrictive transducer      multi-field coupling model      dynamic losses      temperature effect     
Received: 19 June 2014      Published: 20 April 2016
PACS: TM153  
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Huang Wenmei
Xue Yinlong
Wang Li
Weng Ling
Wang Bowen
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Huang Wenmei,Xue Yinlong,Wang Li等. Multi-Field Coupling Model Considering Dynamic Losses for Giant Magnetostrictive Transducers[J]. Transactions of China Electrotechnical Society, 2016, 31(7): 173-178.
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