Rajamani Vehicle Dynamics and Control

1. Auflage 2006
ISBN: 978-0-387-28823-9
Verlag: Springer US
Format: PDF
Kopierschutz: 1 - PDF Watermark

E-Book, Englisch, 472 Seiten, Web PDF

Reihe: Mechanical Engineering Series

Mechanical engineering, and engineering discipline born of the needs of the ind- trial revolution, is once again asked to do its substantial share in the call for ind- trial renewal. The general call is urgent as we face profound issues of productivity and competitiveness that require engineering solutions, among others. The - chanical Engineering Series is a series featuring graduate texts and research mo- graphs intended to address the need for information in contemporary areas of - chanical engineering. The series is conceived as a comprehensive one that covers a broad range of concentrations important to mechanical engineering graduate education and - search. We are fortunate to have a distinguished roster of consulting editors, each an expert in one of the areas of concentration. The names of the consulting editors are listed on page vi of this volume. The areas of concentration are applied - chanics, biomechanics, computational mechanics, dynamic systems and control, energetics, mechanics of materials, processing, thermal science, and tribology. As a research advisor to graduate students working on automotive projects, I have frequently felt the need for a textbook that summarizes common vehicle control systems and the dynamic models used in the development of these control systems. While a few different textbooks on ground vehicle dynamics are already available in the market, they do not satisfy all the needs of a control systems engineer.

Zielgruppe

Research

Autoren/Hrsg.

Rajamani, Rajesh

Inhaltsverzeichnis

Lateral Vehicle Dynamics.- Steering Control for Automated Lane Keeping.- Longitudinal Vehicle Dynamics.- to Longitudinal Control.- Adaptive Cruise Control.- Longitudinal Control for Vehicle Playtoons.- Electronic Stability Control.- Mean Value Modeling of SI and Diesel Engines.- Design and Analysis of Passive Automotive Suspensions.- Active Automotive Suspensions.- Semi-Active Suspensions.- Lateral and Longitudinal Tire Forces.- Tire-Road Friction Measurement on Highway Vehicles.

Leseproben

Chapter 4 LONGITUDINAL VEHICLE DYNAMICS (p. 95)

The control of longitudinal vehicle motion has been pursued at many different levels by researchers and automotive manufacturers. Common systems involving longitudinal control available on today's passenger cars include cruise control, anti-lock brake systems and traction control systems. Other advanced longitudinal control systems that have been the topic of intense research include radar-based collision avoidance systems, adaptive cruise control systems, individual wheel torque control with active differentials and longitudinal control systems for the operation of vehicles in platoons on automated highway systems.

This chapter presents dynamic models for the longitudinal motion of the vehicle. The two major elements of the longitudinal vehicle model are the vehicle dynamics and the powertrain dynamics. The vehicle dynamics are influenced by longitudinal tire forces, aerodynamic drag forces, rolling resistance forces and gravitational forces. Models for these forces are discussed in section 4.1. The longitudinal powertrain system of the vehicle consists of the internal combustion engine, the torque converter, the transmission and the wheels. Models for these components are discussed in section 4.2.

4.1 LONGITUDINAL VEHICLE DYNAMICS
Consider a vehicle moving on an inclined road as shown in Figure 4-1. The external longitudinal forces acting on the vehicle include aerodynamic drag forces, gravitational forces, longitudinal tire forces and rolling resistance forces. These forces are described in detail in the sub-sections that follow.