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1st Edition - March 19, 2010

**Author:** Nicolae Lobontiu

Hardback ISBN:

9 7 8 - 0 - 2 4 0 - 8 1 1 2 8 - 4

eBook ISBN:

9 7 8 - 0 - 0 8 - 0 9 2 8 4 2 - 5

System Dynamics for Engineering Students: Concepts and Applications discusses the basic concepts of engineering system dynamics. Engineering system dynamics focus on deriving… Read more

Immediately download your ebook while waiting for your print delivery. No promo code is needed.

System Dynamics for Engineering Students: Concepts and Applications discusses the basic concepts of engineering system dynamics. Engineering system dynamics focus on deriving mathematical models based on simplified physical representations of actual systems, such as mechanical, electrical, fluid, or thermal, and on solving the mathematical models. The resulting solution is utilized in design or analysis before producing and testing the actual system.

The book discusses the main aspects of a system dynamics course for engineering students; mechanical, electrical, and fluid and thermal system modeling; the Laplace transform technique; and the transfer function approach. It also covers the state space modeling and solution approach; modeling system dynamics in the frequency domain using the sinusoidal (harmonic) transfer function; and coupled-field dynamic systems.

The book is designed to be a one-semester system-dynamics text for upper-level undergraduate students with an emphasis on mechanical, aerospace, or electrical engineering. It is also useful for understanding the design and development of micro- and macro-scale structures, electric and fluidic systems with an introduction to transduction, and numerous simulations using MATLAB and SIMULINK.

- The first textbook to include a chapter on the important area of coupled-field systems
- Provides a more balanced treatment of mechanical and electrical systems, making it appealing to both engineering specialties

Junior and senior undergraduate students in mechanical, electrical and aerospace engineering programs

ForewordPrefaceResources That Accompany This BookChapter Introduction 1.1 Engineering System Dynamics 1.2 Modeling Engineering System Dynamics 1.2.1 Modeling Variants 1.2.2 Dynamical Systems Lumped-Parameter Modeling and Solution 1.3 Components, System, Input, and Output 1.4 Compliant Mechanisms and Microelectromechanical Systems 1.5 System Order 1.5.1 Zero-Order Systems 1.5.2 First-Order Systems 1.5.3 Second- and Higher-Order Systems 1.6 Coupled-Field (Multiple-Field) Systems 1.7 Linear and Nonlinear Dynamic SystemsChapter 2 Mechanical Systems I Objectives Introduction 2.1 Basic Mechanical Elements: Inertia, Stiffness, Damping, and Forcing 2.1.1 Inertia Elements 2.1.2 Spring Elements 2.1.3 Damping Elements 2.1.4 Actuation (Forcing) 2.2 Basic Mechanical Systems 2.2.1 Newton’s Second Law of Motion Applied to Mechanical Systems Modeling 2.2.2 Free Response 2.2.3 Forced Response with Simulink® Summary Problems Suggested ReadingChapter 3 Mechanical Systems II Objectives Introduction 3.1 Lumped Inertia and Stiffness of Compliant Elements 3.1.1 Inertia Elements 3.1.2 Spring Elements 3.2 Natural Response of Compliant Single Degree-of-Freedom Mechanical Systems 3.3 Multiple Degree-of-Freedom Mechanical Systems 3.3.1 Configuration, Degrees of Freedom 3.3.2 Conservative Mechanical Systems 3.3.3 Forced Response with Simulink® Summary Problems Suggested ReadingChapter 4 Electrical Systems Objectives Introduction 4.1 Electrical Elements: Voltage and Current Sources, Resistor, Capacitor, Inductor, Operational Amplifier 4.1.1 Voltage and Current Source Elements 4.1.2 Resistor Elements 4.1.3 Capacitor Elements 4.1.4 Inductor Elements 4.1.5 Operational Amplifiers 4.2 Electrical Circuits and Networks 4.2.1 Kirchhoff’s Laws 4.2.2 Configuration, Degrees of Freedom 4.2.3 Methods for Electrical Systems Modeling 4.2.4 Free Response 4.2.5 Operational Amplifier Circuits 4.2.6 Forced Response with Simulink® Summary Problems Suggested ReadingChapter 5 Fluid and Thermal Systems Objectives Introduction 5.1 Liquid Systems Modeling 5.1.1 Bernoulli’s Law and the Law of Mass Conservation 5.1.2 Liquid Elements 5.1.3 Liquid Systems 5.2 Pneumatic Systems Modeling 5.2.1 Gas Laws 5.2.2 Pneumatic Elements 5.2.3 Pneumatic Systems 5.3 Thermal Systems Modeling 5.3.1 Thermal Elements 5.3.2 Thermal Systems 5.4 Forced Response with Simulink® Summary Problems Suggested ReadingChapter 6 The Laplace Transform Objectives Introduction 6.1 Direct Laplace and Inverse Laplace Transformations 6.1.1 Direct Laplace Transform and Laplace Transform Pairs 6.1.2 Properties of the Laplace Transform 6.2 Solving Differential Equations by the Direct and Inverse Laplace Transforms 6.2.1 Analytical and MATLAB® Partial-Fraction Expansion 6.2.2 Linear Differential Equations with Constant Coefficients 6.2.3 Use of MATLAB® to Calculate Direct and Inverse Laplace Transforms 6.2.4 Linear Differential Equation Systems with Constant Coefficients 6.2.5 Laplace Transformation of Vector-Matrix Differential Equations 6.2.6 Solving Integral and Integral-Differential Equations by the Convolution Theorem 6.2.7 Linear Differential Equations with Time-Dependent Coefficients 6.3 Time-Domain System Identification from Laplace-Domain Information Summary Problems Suggested ReadingChapter 7 Transfer Function Approach Objectives Introduction 7.1 The Transfer Function Concept 7.2 Transfer Function Model Formulation 7.2.1 Analytical Approach 7.2.2 MATLAB® Approach 7.3 Transfer Function and the Time Response 7.3.1 SISO Systems 7.3.2 MIMO Systems 7.4 Using Simulink® to Transfer Function Modeling Summary Problems Suggested ReadingChapter 8 State Space Approach Objectives Introduction 8.1 The Concept and Model of the State Space Approach 8.2 State Space Model Formulation 8.2.1 Analytical Approach 8.2.2 MATLAB® Approach 8.3 State Space and the Time-Domain Response 8.3.1 Analytical Approach: The State-Transition Matrix Method 8.3.2 MATLAB® Approach 8.4 Using Simulink® for State Space Modeling Summary Problems Suggested ReadingChapter 9 Frequency-Domain Approach Objectives Introduction 9.1 The Concept of Complex Transfer Function in Steady-State Response and Frequency-Domain Analysis 9.2 Calculation of Natural Frequencies for Conservative Dynamic Systems 9.2.1 Analytical Approach 9.2.2 MATLAB® Approach 9.3 Steady-State Response of Dynamic Systems to Harmonic Input 9.3.1 Analytical Approach 9.3.2 Using MATLAB® for Frequency Response Analysis 9.4 Frequency-Domain Applications 9.4.1 Transmissibility in Mechanical Systems 9.4.2 Cascading Nonloading Systems 9.4.3 Filters Summary Problems Suggested ReadingChapter 10 Coupled-Field Systems Objectives Introduction 10.1 Concept of System Coupling 10.2 System Analogies 10.2.1 First-Order Systems 10.2.2 Second-Order Systems 10.3 Electromechanical Coupling 10.3.1 Mechanical Strain, Electrical Voltage Coupling 10.3.2 Electromagnetomechanical Coupling 10.3.3 Electromagnetomechanical Coupling with Optical Detection in MEMS 10.3.4 Piezoelectric Coupling 10.4 Thermomechanical Coupling: The Bimetallic Strip 10.5 Nonlinear Electrothermomechanical Coupled-Field Systems 10.6 Simulink® Modeling of Nonlinear Coupled-Field Systems Summary Problems Suggested ReadingChapter 11 Introduction to Modeling and Design of Feedback Control Systems...www.booksite.academicpress.com/lobontiuAppendix A Solution to Linear Ordinary Homogeneous Differential Equations with Constant CoefficientsAppendix B Review of Matrix AlgebraAppendix C Essentials of MATLAB® and System Dynamics-Related ToolboxesAppendix D Deformations, Strains, and Stresses of Flexible Mechanical ComponentsIndex

- No. of pages: 532
- Language: English
- Published: March 19, 2010
- Imprint: Academic Press
- Hardback ISBN: 9780240811284
- eBook ISBN: 9780080928425

NL

Nicolae Lobontiu, Ph.D., is Professor of Mechanical Engineering at the University of Alaska Anchorage. Professor Lobontiu’s teaching background includes courses in system dynamics, controls, instrumentation and measurement, mechanics of materials, dynamics, vibrations, finite element analysis, boundary element analysis, and thermal system design.

Affiliations and expertise

Associate Professor of Mechanical Engineering, University of Alaska Anchorage