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Analysis of Dynamics and Electromagnetic Compatibility Characteristics ofSemi-Active Suspension System Based on Improved Canopy Damping(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2019年04期
Page:
49-55
Research Field:
2019全国集成电路可靠性学术会议专栏
Publishing date:

Info

Title:
Analysis of Dynamics and Electromagnetic Compatibility Characteristics ofSemi-Active Suspension System Based on Improved Canopy Damping
Author(s):
Gao Xiang1; Qiu Wei2; Shen Linlin3
(1.School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210023,China)(2.Sumec Complete Equipment and Engineering Co.,Ltd.,Nanjing 210018,China)(3.Valin Xingma Automobile(Group)Co.,Ltd.,Maanshan 243000,China)
Keywords:
vehicle suspension system; magnetorheological damper; Skyhook damping; semi-active control; transmission noise
PACS:
U463.33
DOI:
10.3969/j.issn.1672-1292.2019.04.009
Abstract:
Magnetorheological damper(MRD)has an important application value for realizing intelligent vehicle suspension system. Based on the establishment of the vehicle 7-DoF suspension system model and the modified MRD Bouc-wen hysteresis model,and the improved canopy damping of the proposed magneto-rheological(MR)“quarter”vehicle suspension system,the paper designs a semi-active asynchronous controller that independently controls the four MR suspension systems of the whole vehicle,and considers the distance between the front and rear wheels of the vehicle,and applies harmonics with delay and smoothing pulses. As well as the measured random road signal as the excitation input of the road to the wheel,the system compares the vertical,pitch and roll motion performance of the MR suspension and passive vehicle dynamics system,and verifies the electromagnetic compatibility of the controller. The results show that the proposed semi-active controller based on the canopy damping strategy can effectively improve the multi-target suspension performance of the MR vehicle suspension system,such as ride comfort and steering safety. At the same time,the control current conduction and radiation noise are satisfied. National standards require a solid theoretical foundation for further research on semi-active decoupling control of MR smart vehicle suspension systems.

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Last Update: 2019-12-31