Book contents
- Frontmatter
- Contents
- Preface
- Part I Introduction and Background
- 1 Introduction
- 2 Automotive Control-System Design Process
- 3 Review of Engine Modeling
- 4 Review of Vehicle Dynamics
- 5 Human Factors and Driver Modeling
- Part II Powertrain Control Systems
- Part III Vehicle Control Systems
- Part IV Intelligent Transportation Systems
- Appendices
- Index
- References
1 - Introduction
Published online by Cambridge University Press: 05 June 2012
Book contents
- Frontmatter
- Contents
- Preface
- Part I Introduction and Background
- 1 Introduction
- 2 Automotive Control-System Design Process
- 3 Review of Engine Modeling
- 4 Review of Vehicle Dynamics
- 5 Human Factors and Driver Modeling
- Part II Powertrain Control Systems
- Part III Vehicle Control Systems
- Part IV Intelligent Transportation Systems
- Appendices
- Index
- References
Summary
The century-old automobile – the preferred mode for personal mobilitythroughout the developed world – is rapidly becoming a complexelectromechanical system. Various new electromechanical technologies arebeing added to automobiles to improve operational safety, reduce congestionand energy consumption, and minimize environmental impact. This chapterintroduces these trends and provides a brief overview of the majorautomobile subsystems and the automotive control systems described in detailin subsequent chapters.
Motivation, Background, and Overview
The main trends in automotive technology, and major automotive subsystems,are briefly reviewed.
Trends in Automotive Control Systems
The most noteworthy trend in the development of modern automobiles in recentdecades is their rapid transformation into complex electromechanicalsystems. Current vehicles often include many new features that were notwidely available a few decades ago. Examples include hybrid powertrains,electronic engine and transmission controls, cruise control, antilockbrakes, differential braking, and active/semiactive suspensions.Many ofthese functions have been achieved using only mechanical devices. The majoradvantages of electromechanical (or mechatronic) devices, as opposed totheir purely mechanical counterparts, include (1) the ability to embedknowledge about the system behavior into the system design, (2) theflexibility inherent in those systems to trade off among different goals,and (3) the potential to coordinate the functioning of subsystems. Knowledgeabout system behavior – in terms of vehicle, engine, or even driver dynamicmodels or constraints on physical variables – is included in the design ofelectromechanical systems. Flexibility enables adaptation to theenvironment, thereby providing more reliable performance in a wide varietyof conditions. In addition, reprogrammability implies lower cost throughexchanged and reused parts. Sharing of information makes it possible tointegrate subsystems and obtain superior performance and functionality,which are not possible with uncoordinated systems.
Information
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- Chapter
- Information
- Automotive Control Systems , pp. 3 - 20Publisher: Cambridge University PressPrint publication year: 2012
References
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