vehicle handling
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2021 ◽  
Author(s):  
Yaohua Guo ◽  
Jinquan Ding

The suspension roll motion can produce roll steer, which are functions of roll angle, thus producing extra lateral forces. This paper develops the total variance approach to analyze the effect of suspension roll on commercial vehicle handling dynamics. The side-slip angle unified transfer function, reaction time, transition time, damping ratio and total variance are introduced with the effect of suspension. The vehicle designers could use this approach to get optimization design parameters of vehicle without numerical calculation. For the two-axle commercial vehicles, the total variance approach is useful and could serve as an important tool for evaluating the effect of vehicle suspension roll on commercial vehicle dynamics.



2021 ◽  
Vol 23 (11) ◽  
pp. 78-85
Author(s):  
Sidhant Konwar Roy ◽  
◽  
Abhishek Mahesh Sharma ◽  

This paper deals with the analysis of vehicle handling with the variation of downforce. A vehicle with aero package were taken and the values of aerodynamic downforce and front downforce distribution for different front and rear ride heights were taken. This was followed by the generation of yaw moment diagram at original ground clearance of 30mm. Aero map data were collected and individual yaw moment diagrams were collected from which vehicle handling parameters are noted. Different contour plots were made to understand the variation of vehicle handling with different ride heights (aerodynamics downforce and downforce distribution). The paper concludes with the sensitivity study where effects of aerodynamic downforce were recorded on vehicle control and stability.



2021 ◽  
Vol 2074 (1) ◽  
pp. 012023
Author(s):  
Jianjun Liu

Abstract A complete suspension model is established, and the suspension system is simulated and optimized. The method of suspension system establishment and simulation is explained in detail, and the influence of suspension parameter changes on vehicle handling and stability is analyzed in detail. The dynamic simulation analysis of wheel parallel runout test was carried out on the system, and the suspension system was optimized by artificial intelligence algorithm. The research results provide a technical basis for the design of automobile suspension.



2021 ◽  
Vol 2095 (1) ◽  
pp. 012055
Author(s):  
Xincheng Huang

Abstract The purpose of this study is to evaluate the handling stability of vehicle from the perspective of users using a multi-criteria decision-making approach with interval numbers. In order to achieve this purpose, the evaluation criteria easy for drivers to understand were constructed based on questionnaire, the interval weights of the criteria were calculated using the entropy weight method with interval numbers, and the interval TOPSIS method was used to evaluate the vehicle handling stability. As the improvement of the method, a new method to determine the crisp value of the interval weight was given, and the relative closeness index used for ranking alternatives was extended to a new additive ranking index. The proposed method was used to evaluate the handling stability of 12 vehicles, and the results may provide some basis for vehicle R & D and design.





2021 ◽  
Vol 29 (9) ◽  
pp. 879-888
Author(s):  
Hyeonseok Cho ◽  
Byungrim Lee ◽  
Sehyun Jang ◽  
Youngdae Park ◽  
Minjun Kim ◽  
...  


Mechatronics ◽  
2021 ◽  
Vol 77 ◽  
pp. 102583
Author(s):  
Haohan Yang ◽  
Wentong Liu ◽  
Li Chen ◽  
Fan Yu


Author(s):  
D. A. Crolla ◽  
D. Horton ◽  
C. K. Yip ◽  
M. Woods




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