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Analysis of the Handling and Ride Comfort Characteristics of a Medium Bus in a Single Lane Change Manoeuvre
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English
Abstract
The handling and ride comfort characteristics of a medium bus during a single lane change manoeuvre and bump pass are investigated in terms of the change of the center of gravity, stiffnesses of springs, and damping coefficients through computer simulation using DADS. Dynamic full model of the vehicle is established using tires, dampers, leaf springs, sprung mass, and unsprung masses. A driver is assumed to steer the vehicle along a prescribed path which was obtained from field tests. He was modeled as a PID controller in the simulation. In order to confirm the validity of the model, simulation results are compared with those obtained from field test. The handling and ride comfort characteristics of the vehicle are compared with root mean square values.
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Citation
Ahn, K., "Analysis of the Handling and Ride Comfort Characteristics of a Medium Bus in a Single Lane Change Manoeuvre," SAE Technical Paper 982773, 1998, https://doi.org/10.4271/982773.Also In
References
- Naude', A.F. Steyn, J.L. 1993 Objective Evaluation of the Simulated Handling characteristics of a vehicle in a double lane change manoeuvre SAE 930826
- Susuki, Y. et al. 1994 Four wheel steering system for medium-duty trucks SAE 942310
- Metz, L.D. 1993 Dynamics of four- wheel-steer off-highway vehicles SAE 930765
- Test procedure for a severe lane change manoeuvre
- Transient open-loop response test method with one period of sinusoidal input
- DADS reference manual(Rev. 8.5) CADSI