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Closed loop frequency tuning of a vibration-based micro-generator

Zhu, Dibin, Roberts, Stephen, Tudor, John and Beeby, Steve (2008) Closed loop frequency tuning of a vibration-based micro-generator At PowerMEMS 2008+ microEMS2008, Japan. 09 - 12 Nov 2008. , pp. 229-232.

Record type: Conference or Workshop Item (Poster)


This paper presents a tunable electromagnetic vibration-based micro-generator with closed loop frequency tuning. Frequency tuning is realized by applying an axial tensile force to the micro-generator. A closed-loop frequency tuning system has been developed to control the tuning process so that the generator always operates at the ambient vibration frequency to make the entire process automatic. Experimentally the resonant frequency has been successfully tuned from 67.6 to 98 Hz when various axial tensile forces were applied to the structure. The generator produced a power of 61.6 to 156.6 μW over the tuning range when excited at vibrations of 0.588 m/s2.

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Published date: November 2008
Additional Information: Event Dates: November 9-12, 2008
Venue - Dates: PowerMEMS 2008+ microEMS2008, Japan, 2008-11-09 - 2008-11-12
Organisations: EEE


Local EPrints ID: 266932
PURE UUID: c64b9829-eaa5-43a3-b870-c8232a652fdb
ORCID for Steve Beeby: ORCID iD

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Date deposited: 20 Nov 2008 17:10
Last modified: 18 Jul 2017 07:10

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Author: Dibin Zhu
Author: Stephen Roberts
Author: John Tudor
Author: Steve Beeby ORCID iD

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