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Computer-Based Analysis of the Dynamic Performance of Log Hauling Trucks
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English
Abstract
A yaw/roll simulation model is developed to assess the dynamic performance of 5, 6, 7, and 8-axle logging truck configurations in this paper. Results predicted by the yaw/roll models for a 5-axle tractor/pole trailer (with outriggers) and a 6-axle tractor/jeep/pole trailer (with outriggers) are compared with those measured in field tests for purposes of model validation. Good agreement between the simulations and measurements has been obtained. Certain performance measures for the tested tractor/pole trailer and tractor/jeep/pole trailer, such as Rearward Amplification Ratio, Load Transfer Ratio, Transient High-speed Offtracking, Understeer Coefficient, Static Rollover Threshold, and Low-speed Friction Demand, are examined by using the yaw/roll models.
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Citation
Tong, X., Tabarrok, B., and El-Gindy, M., "Computer-Based Analysis of the Dynamic Performance of Log Hauling Trucks," SAE Technical Paper 952637, 1995, https://doi.org/10.4271/952637.Also In
New Developments in Axle, Steering, Suspension, and Chassis Technology
Number: SP-1128; Published: 1995-11-01
Number: SP-1128; Published: 1995-11-01
References
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- Tabarrok, B. Tong, X. 1994 “The influence of roll motion on directional response of log hauling trucks” Proceedings of the CSME Forum 1994 Montreal June 27-29 1994 808 821
- Gillespie, T.D. MacAdam, C.C. 1982 “Constant velocity yaw/roll programs: User's manual” Technical Reports The University of Michigan Transport Research Institute
- Preston-Thomas, J. 1994 “Measured characteristics and dynamic performances of two western Canadian log trucks” Technical Report National research Council of Canada
- El-Gindy, M. Woodrooffe, J.H.F. White, D.M. 1991 “Evaluation of the dynamic performance of heavy commercial vehicles” ASME Annual Meeting, Symposium on Advanced Automotive Technology Atlanta, Georgia December 1-6 40 183 198