Kinematic Analysis and Optimization of Key Parameters of Suspension for Electric Differential Steering Wheeled Amphibious  Vehicle

doi:10.3969/j.issn.1000-1093.2019.08.004

Acta Armamentarii ›› 2019, Vol. 40 ›› Issue (8): 1580-1586.doi: 10.3969/j.issn.1000-1093.2019.08.004

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Kinematic Analysis and Optimization of Key Parameters of Suspension for Electric Differential Steering Wheeled Amphibious Vehicle

JU Dongmei^1,2， XIANG Changle¹， TAO Yi³， XU Xiaojun⁴， WANG Wenhao⁴

(1.School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China；2.Ordnance Science and Research Academy of China, Beijing 100089, China；3.Beijing Special Vehicle Institute, Beijing 100072, China; 4.College of Intelligent Science, National University of Defense Technology, Changsha 410073, Hunan, China）

Received:2018-10-17 Revised:2018-10-17 Online:2019-10-15

Abstract

Abstract: In order to reduce the shape resistance of vehicles in water, it is necessary to raise the wheels of amphibious vehicles above the water line. A retractable suspension scheme for amphibious vehicles is proposed. Kinematics analysis is carried out to obtain the movement law of retractable suspension for vehicle. The optimization of suspension parameters is formulated to improve the retractable height of suspension. In the multi-body dynamics software ADAMS/Insight, the parameter optimization experiments are designed, and the optimization variables are determined by analyzing the sensitivity of parameters. According to the selected optimization variables, the optimization objectives are used to optimize the traveling mechanism, such as the receiving and unloading height, the turning angle, the camber angle and the kingpin inclination angle. The results show that the optimization effects of the retracting process and kinematics characteristics of the traveling mechanism are obvious, and the navigation resistance on water is greatly reduced while the land performance is guaranteed. Key

Key words: amphibiousvehicle, kinematicsanalysis, retractablesuspension, parameteroptimization

CLC Number:

TJ810.2

JU Dongmei， XIANG Changle， TAO Yi， XU Xiaojun， WANG Wenhao. Kinematic Analysis and Optimization of Key Parameters of Suspension for Electric Differential Steering Wheeled Amphibious Vehicle[J]. Acta Armamentarii, 2019, 40(8): 1580-1586.

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第40卷
第8期2019 年8月兵工学报ACTA
ARMAMENTARIIVol.40No.8Aug.2019

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Kinematic Analysis and Optimization of Key Parameters of Suspension for Electric Differential Steering Wheeled Amphibious Vehicle

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