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The present state of knowledge on the handling behavior of articulated combination trucks is based on parametric studies made through truck model simulations. A detailed yaw-lurch planar mathematical model for articulated log-hauling combination doglogger trucks is developed in this study. Further, a thorough kinematic and dynamic analyses of log-hauling combination trucks, incorporating a sliding drawbar is carried out and the governing equations for the lateral and yaw planar motions are derived. Using a computer simulation model, the directional performance and the yaw and lateral stability of these articulated vehicles are fully investigated through a transient and harmonic response analyses. Finally, a parameter sensitivity analysis was carried out for different variables involved in the simulation model, to study the sensitivity of the steady-state response to various parameters.

In this study a detailed mathematical model for various design configurations of tractor-pole trailer combinations, incorporating a sliding drawbar, is developed. Furthermore, a kinematic and dynamic analysis for this vehicle combination is carried out and a computer simulation model is developed. Some results for kinematic performance and parameter variations of pole trailer-truck combinations are also presented. Additional results for dynamic and stability analysis are obtained through a transient and harmonic response analysis, and a parametric sensitivity study is carried out.

The planar mathematical model for various design configurations of articulated log-hauling truck in the form of a tandem axle tractor and two separate semi-trailer units, commonly known as super B train truck, is developed. A thorough kinematics and dynamic analyses of the log-hauling combination trucks, incorporating up to three axles to be steerable for the tractor, are carried out and the governing differential equations for the lateral and yaw planar motions are derived. Using a computer simulation model, the directional performance and the lateral and yaw and stability of this articulated truck is fully investigated through transient and harmonic response analyses. Finally, a parameter sensitivity analysis was carried out for different variables involved in the simulation model, to study the sensitivity of the steady-state response to various parameters.