Transactions of China Electrotechnical Society  2015, Vol. 30 Issue (10): 39-43    DOI:
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A Micro Power Consumption Circuit Based on Permanent Magnet Vibration Generator
Wang Zhihua, Li Yuting, Wang Li, Chen Tanggong, Feng Yongxin, Wang Bowen
Province-Ministry Joint Key Laboratory of Electromagnetic Field and Electrical Apparatus Reliability Hebei University of Technology Tianjin 300130 China

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Abstract  The permanent magnet vibration generator has low output power,and it is infuluenced by environmental vibration. Thus, a low power comsumption circuit is contrived to process the energy and improve the efficiency of power supply. The output voltages are measured when experimenter swing his arms. The power spectral density is calculated for revealing the bandwhich the output energy is concentrated in. Based on this, calculate the impedance of the permanent magnet vibration generator and design the circuit. The circuit contains the filter circuit, energy storage and supply circuit. The experimental results show that only no more than 30μW is consumed by the circuit.
Key wordsPermanent magnet vibration generator      random vibration      energy process      micro power consumption     
Received: 10 October 2013      Published: 29 June 2015
PACS: TM15  
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Wang Zhihua
Li Yuting
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Chen Tanggong
Feng Yongxin
Wang Bowen
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Wang Zhihua,Li Yuting,Wang Li等. A Micro Power Consumption Circuit Based on Permanent Magnet Vibration Generator[J]. Transactions of China Electrotechnical Society, 2015, 30(10): 39-43.
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