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Active Roll Control of Tractor Semi-trailer

Author: FengXiangMin
Tutor: ZongChangFu
School: Jilin University
Course: Vehicle Engineering
Keywords: Tractor Trailer Roll Stability Active anti -roll bar Rollover limit Active roll control
CLC: U469.5
Type: Master's thesis
Year: 2005
Downloads: 371
Quote: 12
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Abstract


Tractor Trailer due to its cost-efficient features in the road transport market share increasing , but its multi-axis structural design is unsatisfactory , there is a roll of poor performance and drivability problems, greatly limiting its further development. Has become the focus of researchers . In this paper, semi-trailer road trains roll stability problem by its modeling and simulation analysis , a set of Tractor Trailer active roll control method . First , the establishment of a single degree of freedom model of vehicle unit five and eight degrees of freedom tractor - semitrailer vehicle dynamics model , to achieve a semi-trailer road trains roll motion simulation ; Secondly, from the rollover mechanics theory of semi- hanging car train rollover limits were analyzed to establish a roll stability control objectives , and the use of technology to achieve LQ active roll control system optimal control and full state feedback control conditions ; Finally, the steady-state steering , step steering, double lane change steering and other typical conditions of a single vehicle unit and trailer Train simulation . Simulation results show that : the proposed active roll control strategy can effectively improve the vehicle 's roll stability .

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CLC: > Transportation > Road transport > Automotive Engineering > A variety of automotive > Tractor,trailer, tractor-trailer
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