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Journal ArticleDOI

Kinematic Analysis of Tractor-Semitrailer with Split Fifth Wheel Coupling During Low Speed Turning Maneuvers

About: This article is published in SAE International Journal of Commercial Vehicles.The article was published on 2017-03-28. It has received 1 citations till now. The article focuses on the topics: Tractor & Kinematics.
Citations
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Book ChapterDOI
01 Jan 2020
TL;DR: In this article, a tractor-semitrailer with split fifth wheel coupling (SFWC) is subjected to zero-speed off-tracking analysis, wherein the effect of speed is neglected.
Abstract: With the increasing demand for the accessibility of tractor-semitrailers in remote locations, they face the problem of off-tracking, which is the ensuing difference in path radii between the front and rearmost axles of a vehicle as it manoeuvres a turn. One of the passive methods to reduce off-tracking is by implementing Split fifth wheel coupling (SFWC) which has been proposed earlier. In the present work, the tractor-semitrailer with SFWC is subjected to zero-speed off-tracking analysis, wherein the effect of speed is neglected and the results are compared with those of Conventional fifth wheel coupling (CFWC) model. In the current paper, two turning manoeuvres are studied, viz., 90° turn and 180° turn. It is observed that for all the combinations of chosen type of turning manoeuvre and turning radius, the SFWC model noticeably reduces off-tracking when compared to the tractor-semitrailer of similar dimensions with CFWC.

1 citations

References
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Book
01 Feb 1992
TL;DR: In this article, the authors attempt to find a middle ground by balancing engineering principles and equations of use to every automotive engineer with practical explanations of the mechanics involved, so that those without a formal engineering degree can still comprehend and use most of the principles discussed.
Abstract: This book attempts to find a middle ground by balancing engineering principles and equations of use to every automotive engineer with practical explanations of the mechanics involved, so that those without a formal engineering degree can still comprehend and use most of the principles discussed. Either as an introductory text or a practical professional overview, this book is an ideal reference.

3,166 citations

BookDOI
01 Jan 1992

1,597 citations

BookDOI
01 Jan 1992

1,596 citations

Journal Article
TL;DR: A computer method for graphing the complete swept path of an arbitrary vehicle making any type of turn at low speed is described, and it is found that this method is valid for nearly all truck configurations in use on the highways, including double and triple combinations.
Abstract: When a vehicle turns, the rear wheels track inside the path traced by the front wheels. This behavior is called offtracking and can lead to problems when large trucks operate in confined areas. The methods that have been used by designers to estimate the offtracking of heavy trucks are reviewed, and then a computer method for graphing the complete swept path of an arbitrary vehicle making any type of turn at low speed is described. The method is valid for nearly all truck configurations in use on the highways, including double and triple combinations. The paper includes several example plots, and a computer program that uses this method, developed for the Apple II computer, is described. The program is available free from the Federal Highway Administration.

10 citations