Fundamentals of Vehicle Dynamics

Fundamentals of Vehicle Dynamics
Author: Thomas Gillespie
Publisher: SAE International
Total Pages: 512
Release: 2021-04-29
Genre: Technology & Engineering
ISBN: 1468601768

A world-recognized expert in the science of vehicle dynamics, Dr. Thomas Gillespie has created an ideal reference book that has been used by engineers for 30 years, ranging from an introduction to the subject at the university level to a common sight on the desks of engineers throughout the world. As with the original printing, Fundamentals of Vehicle Dynamics, Revised Edition, strives to find a middle ground by balancing the need to provide detailed conceptual explanations of the engineering principles involved in the dynamics of ground vehicles with equations and example problems that clearly and concisely demonstrate how to apply such principles. A study of this book will ensure that the reader comes away with a solid foundation and is prepared to discuss the subject in detail. Ideal as much for a first course in vehicle dynamics as it is a professional reference, Fundamentals of Vehicle Dynamics, Revised Edition, maintains the tradition of the original by being easy to read and while receiving updates throughout in the form of modernized graphics and improved readability. Inasmuch as the first edition proved to be so popular, the Revised Edition intends to carry on that tradition for a new generation of engineers.

Ride Dynamic Response of Commercial Vehicles Subjected to Wheel Unbalance and Non-uniformity Effects

Ride Dynamic Response of Commercial Vehicles Subjected to Wheel Unbalance and Non-uniformity Effects
Author: Aniket Deodhar
Publisher:
Total Pages: 0
Release: 2005
Genre: Motor vehicles
ISBN:

Self-exciting sources of vibration wheel unbalance and wheel non-uniformities are known to contribute to ride vibration environment of road vehicles and also to potential road damage in addition to excitations arising from terrain undulations. The present study investigates vehicle vibrations induced by non-uniformities and unbalance of the tire-wheel assembly in conjunction with terrain irregularities. A four degrees-of-freedom pitch plane model of a truck is developed to analyze ride and tire load variations under measured random road excitations. The nonlinear vehicle model comprising the adaptive foot-print tire model is analyzed under excitations arising from a range of mass unbalance and wheel non-uniformity, and phase differences in the defects of the front and rear wheels. A comprehensive parametric sensitivity analysis is carried out to study the vehicle response subjected to all the excitations. The response characteristics are evaluated in terms of measures relevant to ride quality and road damage potential, namely the overall unweighted and frequency-weighted vertical and pitch rms accelerations of the sprung mass and dynamic load coefficient (DLC), respectively.