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On Nonlinear Yaw Model for Directional Responses of Log Hauling Trucks

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Abstract

A nonlinear yaw model for dynamics of log hauling trucks is developed based on Kane's equations. The relationship between the articulation yaw angles, between the vehicle units, and the sliding length of the drawbar has been investigated using a new procedure and introduced into the governing equations of motion. Analytical expressions of equations of motion for a tractor/jeep/pole-trailer system are obtained. The numerical results for directional responses of the system, under some maneuvers, are checked against measured responses in field tests. Also a comparison of the results for the nonlinear and linear yaw models is carried out and the modifying effects of the nonlinear terms are noted.

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Authors and Affiliations

  1. Department of Mechanical Engineering, University of Victoria, British Columbia, Canada, V8W 3P6

    D.J. Zhang & B. Tabarrok

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  1. D.J. Zhang
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  2. B. Tabarrok
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Zhang, D., Tabarrok, B. On Nonlinear Yaw Model for Directional Responses of Log Hauling Trucks. Multibody System Dynamics 1, 381–403 (1997). https://doi.org/10.1023/A:1009707404879

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  • DOI: https://doi.org/10.1023/A:1009707404879

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