[1] Li Chuan, Zhu Rongrong, Feng Xin, Yang Shuai, et al. Variable damping forces caused by electromagneticenergy harvesting with an adjustable load [J]. Journal of Southeast University (English Edition), 2015, 31 (1): 100-106. [doi:10.3969/j.issn.1003-7985.2015.01.017]

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

31

Issue:

2015 1

Page:

100-106

Research Field:

Mechanical Engineering

Publishing date:

2015-03-30

Info

Title:

Variable damping forces caused by electromagneticenergy harvesting with an adjustable load

Author(s):

Li Chuan¹;  Zhu Rongrong¹;  Feng Xin¹;  Yang Shuai²

¹Chongqing Joint International Research Center of System Health Maintenance, Chongqing Technology and Business University, Chongqing 400067, China
²Department of Mechanical Engineering, University of Ottawa, Ottawa K1N 6N5, Canada

Keywords:

variable damper;  vibration;  energy harvesting;  electromagnetic generator;  load

PACS:

TH703.62

DOI:

10.3969/j.issn.1003-7985.2015.01.017

Abstract:

A novel variable damper using an adjustable energy harvesting structure is proposed for semi-active vibration systems. The fluid flowing in a hydraulic cylinder is employed to drive an electromagnetic generator for harvesting vibration energy, which on the other hand, leads to a damping effect of the hydraulic damper. To make the damping force variable, an adjustable resistor is adopted to tune the capability of energy harvesting. The present approach is validated by both theoretical analysis and experimental evaluation. When connected with different resistance loads, the prototype damper has different equivalent damping coefficients ranging from 3.987×10⁴ to 2.488×10⁵ N·s/m. The results show that the damping force of the damper is variable in response to the adjustable load for the vibration energy harvesting.

References:

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Memo

Memo:

Biography: Li Chuan(1975—), male, doctor, professor, chuanli@21cn.com.
Foundation items: The National Natural Science Foundation of China(No.51375517), the Natural Science Foundation of CQ CSTC(No.2012JJJQ70001), the Project of Chongqing Innovation Team in University(No.KJTD201313).
Citation: Li Chuan, Zhu Rongrong, Feng Xin, et al.Variable damping forces caused by electromagnetic energy harvesting with an adjustable load[J].Journal of Southeast University(English Edition), 2015, 31(1):100-106.[doi:10.3969/j.issn.1003-7985.2015.01.017]

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