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基于振动能量回收的自供电MR阻尼器集成与试验研究 被引量:11

Integration and test for a self-powered MR damper based on vibrational energy harvesting
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摘要 为使磁流变(MR)阻尼器摆脱对外部电源的依赖,基于振动能量回收技术构建了由旋转式永磁直流电机与只需较小能量供给的MR阻尼器集成的自供电MR阻尼器减振系统,测试了能量回收电机的电学性能与自供电MR阻尼器的力学性能,并定性分析了自供电MR阻尼器被动控制的减振机理。结果表明:自供电MR阻尼器可行性强,性能优越,且兼具速度反馈与离复位控制特性。 To make magnetorheological (MR) dampers be free from dependence on an external power supply, a self-powered MR damper control system was built using a rotary permanent magnet direct-current (DC) motor integrated with a MR damper with lower power requirement based on vibrational energy harvesting technology. Its feasibility, advantages and control mechanism were illustrated through test investigations. Both the electrical properties of the energy harvesting motor and the mechanical performances of the self-powered MR damper were measured. In addition, the passive control mechanism of the self-powered MR damper was qualitatively analyzed. The results showed that the self- powered MR damper has higher feasibilities and excellent performances with characteristics of both velocity feedback control and off-and-towards-equilibrium control.
出处 《振动与冲击》 EI CSCD 北大核心 2013年第12期88-94,共7页 Journal of Vibration and Shock
基金 国家自然科学基金重点项目(50738002) 河南省教育厅科学技术研究重点项目(12B560009) 华北水利水电学院高层次人才项目
关键词 结构振动控制 振动能量回收 磁流变阻尼器 自供电 永磁电机 structural vibration control vibrational energy havesting magnetorheological(MR) damper selfpowered permanent magnet motor
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参考文献14

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