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1

Jiangsu Provincial Key Labratory of Advanced Robotics, and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China

2

Department of Electrical & Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore 117576, Singapore





*

Author to whom correspondence should be addressed.



Academic Editor: Cheng Luo

Abstract This paper reports the design, micromachining and characterization of an array of electromagnetic energy harvesters EHs with multiple frequency peaks. The authors present the combination of three multi-modal spring-mass structures so as to realize at least nine resonant peaks within a single microelectromechanical systems MEMS chip. It is assembled with permanent magnet to show an electromagnetic-based energy harvesting capability. This is the first demonstration of multi-frequency MEMS EH existing with more than three resonant peaks within a limited frequency range of 189 to 662 Hz. It provides a more effective approach to harvest energy from the vibration sources of multiple frequency peaks. View Full-Text

Keywords: MEMS; energy harvester; electromagnetic; multi-frequency MEMS; energy harvester; electromagnetic; multi-frequency





Autor: Huicong Liu 1, Tao Chen 1,* , Lining Sun 1 and Chengkuo Lee 2

Fuente: http://mdpi.com/



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