An Electromagnetic Variable Stiffness Device for Semiactive Seat Suspension Vibration Control

被引:31
作者
Ning, Donghong [1 ,2 ]
Du, Haiping [2 ]
Sun, Shuaishuai [3 ]
Zheng, Minyi [4 ]
Li, Weihua [2 ]
Zhang, Nong [5 ]
Jia, Zhijuan [6 ]
机构
[1] Hefei Univ Technol, Sch Mech Engn, Hefei 230000, Peoples R China
[2] Univ Wollongong, Fac Engn & Informat Sci, Wollongong, NSW 2522, Australia
[3] Tohoku Univ, New Ind Creat Hatchery Ctr NICHe, Sendai, Miyagi 9808577, Japan
[4] Hefei Univ Technol, Sch Automot & Transportat Engn, Hefei 230000, Peoples R China
[5] Univ Technol Sydney, Fac Engn, Ultimo, NSW 2007, Australia
[6] Zhengzhou Normal Univ, Sch Informat & Technol, Zhengzhou 450044, Peoples R China
基金
澳大利亚研究理事会;
关键词
Electromagnetic device; seat suspension; semiactive control; variable damping (VD); variable stiffness (VS); ACTIVE SEAT; VEHICLE SUSPENSION; SYSTEM; DESIGN; DAMPER;
D O I
10.1109/TIE.2019.2936994
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This article introduces a rotary semiactive variable stiffness (VS) device, including its system design and model validation. A variable damping (VD) device and springs can form mechanical networks with specific topologies, and the VD device can control the equivalent stiffness of the network by varying its damping. The proposed rotary electromagnetic VS device consists of an electromagnetic VD device and a torsion spring, which are in series, while a planetary gear reducer is used to amplify the torque output of the VS device. The models of the electromagnetic VD and VS devices are both built and validated with tests. Then, a seat suspension applies the VS device by installing the device in the center of its scissors structure. Bump and random vibration experiments are implemented to validate the effectiveness of the proposed VS system for seat suspension vibration control. The new system has merits in controllability and energy efficiency. It is easier to design the controller than the conventional one with magnetorheological damper due to the linear damping of the electromagnetic VD device. Besides, the system energy consumption is low and has energy harvesting capability. The proposed semiactive electromagnetic VS device also has potential in other practical applicationss.
引用
收藏
页码:6773 / 6784
页数:12
相关论文
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