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[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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Variable damping forces caused by electromagneticenergy harvesting with an adjustable load()
基于电磁能量回收和可调负载的可变阻尼作用
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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
基于电磁能量回收和可调负载的可变阻尼作用
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
李川1, 朱荣荣1, 冯鑫1, 杨帅2
1重庆工商大学装备系统服役健康保障重庆市级国际联合研究中心, 重庆 400067; 2Department of Mechanical Engineering, University of Ottawa, Ottawa K1N 6N5, Canada
Keywords:
variable damper;  vibration;  energy harvesting;  electromagnetic generator;  load
可变阻尼器;  振动;  能量回收;  电磁发电机;  负载
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.
采用可调的振动能量回收方法, 提出了一种面向半主动振动系统应用的新型变阻尼装置.该阻尼装置利用油液在液压缸中的流动来驱动电磁发电机, 从而回收振动能量, 同时液压缸的两端产生阻尼作用.采用可调的电阻负载来改变振动能量的回收能力, 进而实现了阻尼作用的可变调节.理论分析和实验评估验证了所提出的可变阻尼调节系统的有效性, 在系统与不同电阻负载相连接的条件下, 阻尼系统原理样机的等效阻尼系数可以实现在3.987×104~2.488×105 N·s/m之间变化.结果表明, 该系统通过负载调节振动能量回收能力, 实现了阻尼装置的阻尼作用可变调节.

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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]
Last Update: 2015-03-20