实例介绍
【实例简介】
不错的汽车动力学教材，是参与汽车底盘电子开发的动力学基础。
Reza n. jazar Vehicle Dynamics Theory and Applications Springer Reza n. jazar Dept of Mechanical Engineering Manhattan college Riverdale. NY 10471 ISBN:978-0-387-74243-4 e-ISBN:978-0-387-74244-1 Library of Congress Control Number: 200794219 c 2008 Springer Science+ Business Media, LLC All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher(Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks service marks and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights Printed on acid-free paper 987654321 springer. com Kavosh my daughter, Vazan, and my wife, Mojgan Happiness is when you win a race against yourself Preface This text is for engineering students. It introduces the fundamental knowl edge used in vehicle dymamics. This knowledge can be utilized to develop computer programs for analyzing the ride, handling, and optimization of road vehicles Vehicle dynamics has been in the engineering curriculum for more than a hundred years. Books on the subject are available, but most of them are written for specialists and are not suitable for a classroom application A new student, engineer, or researcher would not know where and how to start learning vehicle dynamics. So, there is a need for a textbook for beginners. This textbook presents the fundamentals with a perspective on future trends The study of classical vehicle dynamics has its roots in the work of great scientists of the past four centuries and creative engineers in the past century who established the methodology of dynamic systems. The development of vehicle dynamics has moved toward modeling, analysis and optimization of multi-body dynamics supported by some compliant members. Therefore, merging dynamics with optimization theory was an expected development. The fast-growing capability of accurate positionin sensing, and calculations, along with intelligent computer programming are the other important developments in vehicle dynamics. So, a textbook help the reader to make a computer model of vehicles, which this book does Level of the book This book has evolved from nearly a decade of research in nonlinear dynamic systems and teaching courses in vehicle dynamics. It is addressed primarily to the last year of undergraduate study and the first year graduate student in engineering. Hence, it is an intermediate textbook. It provides both fundamental and advanced topics. The whole book can be covered in two successive courses, however, it is possible to jump over some sec tions and cover the book in one course. Students are required to know the fundamentals of kinematics and dynamics, as well as a basic knowledge of numerical methods The contents of the book have been kept at a fairly theoretical-practical level. Many concepts are deeply explained and their application empha- sized, and most of the related theories and formal proofs have been ex plained. The book places a strong emphasis on the physical meaning and applications of the concepts. Topics that have been selected are of high interest in the field. An attempt has been made to expose students to a Preface broad range of topics and approaches e There are four special chapters that are indirectly related to vehicle dy- amics: Applied Kinematics, Applied Mechanisms, Applied dynamics, and Applied vibrations. These chapters provide the related background to un derstand vehicle dynamics and its subsystems Organization of the book The text is organized so it can be used for teaching or for self-study Chapter 1"Fundamentals, "contains general preliminaries about tire and rim with a brief review of road vehicle classifications Part I"One Dimensional Vehicle Dynamics, " presents forward vehicle dynamics, tire dynamics, and driveline dynamics. Forward dynamics refers to weight transfer, accelerating braking, engine performance, and gear ratio design Part II"Vehicle Kinematics, presents a detailed discussion of vehicle mechanical subsystems such as steering and suspensions Part IIT"Vehicle Dynamics, employs Newton and Lagrange methods to develop the maneuvering dynamics of vehicles Part Iv "Vehicle Vibrations, presents a detailed discussion of vehi- cle vibrations. An attempt is made to review the basic approaches and demonstrate how a vehicle can be modeled as a vibrating multiple degree of-freedom system. The concepts of the Newton-Euler dynamics and La- grangian method are used equally for derivation of equations of motion The RMS optimization technique for suspension design of vehicles is intro- duced and applied to vehicle suspensions. The outcome of the optimization technique is the optimal stiffness and damping for a car or suspended equip ment Method of presentation This book uses a fact-reason-application"structure. The "fact"is the main subject we introduce in each section. Then the reason is given as a " proof. The application of the fact is examined in some examples. The examplesare a very important part of the book because they show how to implement the facts. They also cover some other facts that are needed to expand the subject Prerequisites Since the book is written for senior undergraduate and first-year graduate level students of engineering, the assumption is that users are familiar with matrix algebra as well as basic dynamics. Prerequisites are the fundamen tals of kinematics, dynamics, vector analysis, and matrix theory. These basics are usually taught in the first three undergraduate years Preface Unit System The system of units adopted in this book is, unless otherwise stated, the international system of units(SI). The units of degree(deg)or radian(rad) are utilized for variables representing angular quantities Symbols e Lowercase bold letters indicate a vector. Vectors may be expressed in an n dimensional Euclidian space. Example r C Uppercase bold letters indicate a dynamic vector or a dynamic ma trix, such as force and moment. Example F o Lowercase letters with a hat indicate a unit vector. Unit vectors are not bolded. Example Lowercase letters with a tilde indicate a 3 x 3 skew symmetric matrix associated to a vector. Example a32 1 1 An arrow above two uppercase letters indicates the start and end points of a position vector. Example ON = a position vector from point o to point N e The length of a vector is indicated by a non-bold lowercase letter Example Capital letter B is utilized to denote a body coordinate frame. Ex ample B(ocg B(Oxyz) B1(o1x19121) ⅹ11 Preface Capital letter G is utilized to denote a global, inertial, or fixed coor dinate frame. Example G(XYZ G(OXYZ Right subscript on a transformation matrix indicates the departure frames. Example RB= transformation matrix from frame B(oxyz) Left superscript on a transformation matrix indicates the destination frame. Example RB transformation matrix from frame B(o cgz) to frame G(OxYZ) Capital letter R indicates rotation or a transformation matrix, if it shows the beginning and destination coordinate frames. Example 0 B SIn a 0 Whenever there is no sub or superscript, the matrices are shown in a bracket. Example COS a sin a o sIn a COs O 0 e Left superscript on a vector denotes the frame in which the vector is expressed. That superscript indicates the frame that the vector belongs to; so the vector is expressed using the unit vectors of that E r= position vector expressed in frame G(OXYZ) Right subscript on a vector denotes the tip point that the vector is referred to. Example P sition vector of expressed in coordinate frame G(OXYZ) Right subscript on an angular velocity vector indicates the frame that the angular vector is referred to. Example B= angular of the body coordinate frame B(oxyz) 【实例截图】
【核心代码】
不错的汽车动力学教材，是参与汽车底盘电子开发的动力学基础。
Reza n. jazar Vehicle Dynamics Theory and Applications Springer Reza n. jazar Dept of Mechanical Engineering Manhattan college Riverdale. NY 10471 ISBN:978-0-387-74243-4 e-ISBN:978-0-387-74244-1 Library of Congress Control Number: 200794219 c 2008 Springer Science+ Business Media, LLC All rights reserved. This work may not be translated or copied in whole or in part without the written permission of the publisher(Springer Science+Business Media, LLC, 233 Spring Street, New York, NY 10013, USA), except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed is forbidden. The use in this publication of trade names, trademarks service marks and similar terms, even if they are not identified as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights Printed on acid-free paper 987654321 springer. com Kavosh my daughter, Vazan, and my wife, Mojgan Happiness is when you win a race against yourself Preface This text is for engineering students. It introduces the fundamental knowl edge used in vehicle dymamics. This knowledge can be utilized to develop computer programs for analyzing the ride, handling, and optimization of road vehicles Vehicle dynamics has been in the engineering curriculum for more than a hundred years. Books on the subject are available, but most of them are written for specialists and are not suitable for a classroom application A new student, engineer, or researcher would not know where and how to start learning vehicle dynamics. So, there is a need for a textbook for beginners. This textbook presents the fundamentals with a perspective on future trends The study of classical vehicle dynamics has its roots in the work of great scientists of the past four centuries and creative engineers in the past century who established the methodology of dynamic systems. The development of vehicle dynamics has moved toward modeling, analysis and optimization of multi-body dynamics supported by some compliant members. Therefore, merging dynamics with optimization theory was an expected development. The fast-growing capability of accurate positionin sensing, and calculations, along with intelligent computer programming are the other important developments in vehicle dynamics. So, a textbook help the reader to make a computer model of vehicles, which this book does Level of the book This book has evolved from nearly a decade of research in nonlinear dynamic systems and teaching courses in vehicle dynamics. It is addressed primarily to the last year of undergraduate study and the first year graduate student in engineering. Hence, it is an intermediate textbook. It provides both fundamental and advanced topics. The whole book can be covered in two successive courses, however, it is possible to jump over some sec tions and cover the book in one course. Students are required to know the fundamentals of kinematics and dynamics, as well as a basic knowledge of numerical methods The contents of the book have been kept at a fairly theoretical-practical level. Many concepts are deeply explained and their application empha- sized, and most of the related theories and formal proofs have been ex plained. The book places a strong emphasis on the physical meaning and applications of the concepts. Topics that have been selected are of high interest in the field. An attempt has been made to expose students to a Preface broad range of topics and approaches e There are four special chapters that are indirectly related to vehicle dy- amics: Applied Kinematics, Applied Mechanisms, Applied dynamics, and Applied vibrations. These chapters provide the related background to un derstand vehicle dynamics and its subsystems Organization of the book The text is organized so it can be used for teaching or for self-study Chapter 1"Fundamentals, "contains general preliminaries about tire and rim with a brief review of road vehicle classifications Part I"One Dimensional Vehicle Dynamics, " presents forward vehicle dynamics, tire dynamics, and driveline dynamics. Forward dynamics refers to weight transfer, accelerating braking, engine performance, and gear ratio design Part II"Vehicle Kinematics, presents a detailed discussion of vehicle mechanical subsystems such as steering and suspensions Part IIT"Vehicle Dynamics, employs Newton and Lagrange methods to develop the maneuvering dynamics of vehicles Part Iv "Vehicle Vibrations, presents a detailed discussion of vehi- cle vibrations. An attempt is made to review the basic approaches and demonstrate how a vehicle can be modeled as a vibrating multiple degree of-freedom system. The concepts of the Newton-Euler dynamics and La- grangian method are used equally for derivation of equations of motion The RMS optimization technique for suspension design of vehicles is intro- duced and applied to vehicle suspensions. The outcome of the optimization technique is the optimal stiffness and damping for a car or suspended equip ment Method of presentation This book uses a fact-reason-application"structure. The "fact"is the main subject we introduce in each section. Then the reason is given as a " proof. The application of the fact is examined in some examples. The examplesare a very important part of the book because they show how to implement the facts. They also cover some other facts that are needed to expand the subject Prerequisites Since the book is written for senior undergraduate and first-year graduate level students of engineering, the assumption is that users are familiar with matrix algebra as well as basic dynamics. Prerequisites are the fundamen tals of kinematics, dynamics, vector analysis, and matrix theory. These basics are usually taught in the first three undergraduate years Preface Unit System The system of units adopted in this book is, unless otherwise stated, the international system of units(SI). The units of degree(deg)or radian(rad) are utilized for variables representing angular quantities Symbols e Lowercase bold letters indicate a vector. Vectors may be expressed in an n dimensional Euclidian space. Example r C Uppercase bold letters indicate a dynamic vector or a dynamic ma trix, such as force and moment. Example F o Lowercase letters with a hat indicate a unit vector. Unit vectors are not bolded. Example Lowercase letters with a tilde indicate a 3 x 3 skew symmetric matrix associated to a vector. Example a32 1 1 An arrow above two uppercase letters indicates the start and end points of a position vector. Example ON = a position vector from point o to point N e The length of a vector is indicated by a non-bold lowercase letter Example Capital letter B is utilized to denote a body coordinate frame. Ex ample B(ocg B(Oxyz) B1(o1x19121) ⅹ11 Preface Capital letter G is utilized to denote a global, inertial, or fixed coor dinate frame. Example G(XYZ G(OXYZ Right subscript on a transformation matrix indicates the departure frames. Example RB= transformation matrix from frame B(oxyz) Left superscript on a transformation matrix indicates the destination frame. Example RB transformation matrix from frame B(o cgz) to frame G(OxYZ) Capital letter R indicates rotation or a transformation matrix, if it shows the beginning and destination coordinate frames. Example 0 B SIn a 0 Whenever there is no sub or superscript, the matrices are shown in a bracket. Example COS a sin a o sIn a COs O 0 e Left superscript on a vector denotes the frame in which the vector is expressed. That superscript indicates the frame that the vector belongs to; so the vector is expressed using the unit vectors of that E r= position vector expressed in frame G(OXYZ) Right subscript on a vector denotes the tip point that the vector is referred to. Example P sition vector of expressed in coordinate frame G(OXYZ) Right subscript on an angular velocity vector indicates the frame that the angular vector is referred to. Example B= angular of the body coordinate frame B(oxyz) 【实例截图】
【核心代码】
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