Energy-harvesting variable/constant damping suspension system with motor based electromagnetic damper

被引：48
作者：
Li, Shiying [1 ,2 ]
Xu, Jun [1 ,2 ]
Pu, Xiaohui [1 ,2 ]
Tao, Tao [1 ,2 ]
Gao, Haonan [1 ,2 ]
Mei, Xuesong [1 ,2 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Shaanxi, Peoples R China
[2] Xi An Jiao Tong Univ, Sch Mech Engn, Shaanxi Key Lab Intelligent Robots, Xian 710049, Shaanxi, Peoples R China
来源：
ENERGY | 2019年 / 189卷
基金：
中国国家自然科学基金;
关键词：
Energy-harvesting; Variable damping; Regenerative suspension; Adjustable damping; Electromagnetic damper; Vibration energy recovery; SHOCK ABSORBER; REGENERATIVE SUSPENSION; DESIGN; MECHANISM; STRATEGY;
D O I：
10.1016/j.energy.2019.116199
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Energy-harvesting suspension is very important to improve the energy efficiency of vehicles, especially for electric vehicles. A novel energy-harvesting variable/constant damping suspension system with motor based electromagnetic damper is proposed in this paper. The method attempts to make following contributions: The vehicle vibration energy is not only harvested from the suspension system, but also controlled to store in the battery for further usage. Moreover, the damping of the suspension system is able to be controlled as wish, to be constant or to vary with road conditions. The performance comparison with conventional suspension equipped with an oil damper is carried out by simulation and experiments. The effect of the moment of inertia on the suspension performance is investigated. To experimentally validate the proposed method, a scaled quarter car suspension validation platform is established. The experimental results show that the damping can be controlled to be constant as the conventional oil damper, and also be variable as wish. The proposed energy-harvesting suspension can recover energy from vehicle vibration to store in the battery for further usage with high efficiency, which is as high as 35.24% improvement compared with previous studies. Meanwhile, the damping coefficient can also be regulated in real-time accurately. (C) 2019 Elsevier Ltd. All rights reserved.
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页数：13
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