An Energy Management Circuit for Self-Powered Ubiquitous Sensor Modules Using Vibration-Based Energy(Nonlinear Circuits,<Special Section>Nonlinear Theory and its Applications)
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概要
- 論文の詳細を見る
An energy management circuit is proposed for self-powered ubiquitous sensor modules using vibration-based energy. With the proposed circuit, the sensor modules work with low duty cycle operation. Moreover, a two-tank circuit as a part of the energy management circuit is utilized to solve the problem that the average power density of ambient energy always varies with time while the power consumption of the sensor modules is constant and larger than it. In addition, the long start-up time problem is also avoided with the timing control of the proposed energy management circuit. The CMOS implementation and silicon verification results of the proposed circuit are also presented. Its validity is further confirmed with a vibration-based energy generation. The sensor module is used to supervise the vibration of machines and transfer the vibration signal discontinuously. A piezoelectric element acts as the vibration-to-electricity converter to realize battery-free operation.
- 社団法人電子情報通信学会の論文
- 2007-10-01
著者
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Pan Jun
Graduate School Of Information Production And Systems Waseda University
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INOUE Yasuaki
Graduate School of Information, Production and Systems, Waseda University
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LIANG Zheng
Graduate School of Information, Production and Systems, Waseda University
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Liang Zheng
Graduate School Of Information Production And Systems Waseda University
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Inoue Yasuaki
Graduate School Of Information Production And Systems Waseda University
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Pan Jun
Graduate School Of Agriculture Hokkaido University
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Inoue Yasuaki
Graduate School Of Ips Waseda University
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