The influence of tongue weight of a trailer-mounted recreational vehicle on steering stability
Mengdi Li 1,   Di Li 1  
,   Qiutao Fu 1,   Zhichen Yang 1,   Weiyuan Wang 2
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School of Traffic and Vehicle Engineering, Shandong University of Technology, Zibo, China
Rongcheng Compaks New Energy Vehicle Stock Corporation, Rongcheng, China
Di Li   

School of Traffic and Vehicle Engineering, Shandong University of Technology, 255000, Zibo, China
Submission date: 2020-10-05
Final revision date: 2021-01-01
Acceptance date: 2021-01-05
Online publication date: 2021-02-03
Publication date: 2021-04-15
Journal of Theoretical and Applied Mechanics 2021;59(2):203–213
The influence of tongue weight on a Trailer-Mounted Recreational Vehicle (TMRV) is studied. A multi-body dynamic model of the TMRV was established, three typical vehicle stability tests were carried out. Tongue weight had different effects on the tractor and Recreational Vehicle (RV). According to different loads, the critical tongue weight range was given. In addition, the tongue weight of the existing models was optimized and suggestions for improvement were put forward. The analysis results show that the tongue weight should be within a reasonable range which can ensure the tractor understeer and keep the lateral stability of the RV.
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