Mechatronics System Design Second Edition, SI Version by Devdas Shetty, and Richard A. Kolk.
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1 MECHATRONICS SYSTEM DESIGN
2 MODELING AND SIMULATION OF PHYSICAL SYSTEMS
3 SENSORS AND TRANSDUCERS
4 ACTUATING DEVICES
5 SYSTEM CONTROL—LOGIC METHODS
6 SIGNALS, SYSTEMS, AND CONTROLS 3
7 SIGNAL CONDITIONING AND REAL TIME INTERFACING
8 CASE STUDIES
APPENDIX 1 DATA ACQUISITION CARDS
PREFACE TO THE SI EDITION: This edition of Mechatronics System Design, has been adapted to incorporate the International System of Units (Le Système International d’Unités or SI) throughout the book.
Le Système Internationités
The United States Customary System (USCS) of units uses FPS (foot-pound-second) units (also called English or Imperial units). SI units are primarily the units of the MKS (meter-kilogramsecond) system. However, CGS (centimeter-gram-second) units are often accepted as SI units, especially in textbooks.
Using SI Units in this Book
In this book, we have used both MKS and CGS units. USCS units or FPS units used in the US Edition of the book have been converted to SI units throughout the text and problems. However, in case of data sourced from handbooks, government standards, and product manuals, it is not only extremely difficult to convert all values to SI, it also encroaches upon the intellectual property of the source. Some data in figures, tables, and references, therefore, remains in FPS units. For readers unfamiliar with the relationship between the FPS and the SI systems, a conversion table has been provided inside the front cover.
To solve problems that require the use of sourced data, the sourced values can be converted from FPS units to SI units just before they are to be used in a calculation. To obtain standardized quantities and manufacturers’ data in SI units, the readers may contact the appropriate government agencies or authorities in their countries/regions. Instructor Resources The Instructors’ Solution Manual in SI units is available through your Sales Representative or online through the book website at www.cengage.com/engineering. The readers’ feedback on this SI Edition will be highly appreciated and will go a long way in helping us improve subsequent editions.
Preface: Competing in a globalized market requires the adaptation of modern technology to yield flexible, multifunctional products that are better, cheaper, and more intelligent than those currently on the shelf. The importance of mechatronics is evidenced by the myriad of smart products that we take for granted in our daily lives, from the cruise control feature in our cars to advanced flight control systems and from washing machines to multifunctional precision machines. The technological advances in digital engineering, simulation and modeling, electromechanical motion devices, power electronics, computers and informatics, MEMS, microprocessors, and DSPs have brought new challenges to industry and academia.
Mechatronics is the synergistic combination of mechanical and electrical engineering, computer science, and information technology, which includes the use of control systems as well as numerical methods to design products with built-in intelligence.
The field of mechatronics allows the engineer to integrate mechanical, electronics, control engineering and computer science into a product design process. Modeling, simulation, analysis, virtual prototyping and visualization are critical aspects of developing advanced mechatronics products. Mechatronics design focuses on systematic optimization to ensure that quality products are created in a timely fashion. Getting electromechanical design right the first time requires teamwork and coordination across multiple segments and disciplines of the engineering process. The integration is facilitated by the introduction of new software simulation tools that work in tandem with systems to create an efficient mechatronics pathway.
The first edition of this book was designed for the upper-level undergraduate or graduate student in mechanical, electrical, industrial, biomedical, computer, and of course, mechatronics engineering. The book was widely used in the United States and also in Canada, China, Europe, India, and South Korea. Following feedback from experts in this field and also from the faculty who used this text book, the second edition has been considerably extended and augmented with extra depth so that not only is it still relevant for its original users, but is also apt for other emerging programs. Currently, there exists a trend to include mechatronics in the traditional curricula with the purpose of providing integrated design experience to graduating engineers. This experience is created by using measurement principles, sensors, actuators, electronics circuits, and real-time interfacing coupled with design, simulation, and modeling. Some of these courses end with case studies and a unifying design project that integrates various disciplines into a successful design product that can be quickly assembled and analyzed in a laboratory environment.
This second edition has been updated throughout. The aim is to provide a comprehensive coverage of many areas so that the readers understand the range of engineering disciplines that come together to form the field of mechatronics. The interdisciplinary approach taken in this book provides the technical background needed in the design of mechatronics products. The second edition is designed to serve as a text for the following:
• Stand-alone mechatronics courses.
• Modern instrumentation and measurement courses.
• Hybrid electrical and mechanical engineering course covering sensors, actuators, dataacquisition, and control.
• Interdisciplinary engineering courses dealing with modeling, simulation, and control.
• Extensive coverage of sensors, actuators, system modeling, and classical control system design coupled with real-time computer interfacing.
• Industrial case studies.
• Ιn-depth discussions on modeling and simulation of physical systems.
• Inclusion of block diagrams, modified analogy approach to modeling, and the use of stateof-the-art visual simulation software.
• Shows how interactive modeling created in a graphical environment with visual representation is crucial to the design process.
• Step-by-step mechatronics system design methodology.
• Illustration of how the design process can be done right the first time.
New to This Edition
• Numerous design examples and end-of-chapter problems added to help students understand the basic mechatronics methodology.
• A simple motion control example carried out throughout the eight chapters covering the different elements of mechatronics systems progressively.
• Simulation and real-time interfacing using LabVIEW® included in addition to VisSim™.
• Inclusion of current trends in mechatronics and smart manufacturing.
• Illustration of block diagram approach and emphasis on the comprehensive use of mathematical analysis, simulation and modeling, control and real-time interfacing in implementing case studies.
• Expanded coverage of sensors, real-time interfacing, and multiple input and multiple output systems.
• Design examples and problems drawn from situations encountered in everyday life.
• Illustration of synergistic aspects of mechatronics and its influence in design.
• Hardware-in-the-loop examples and illustration of optimum design.
• Control system analysis for multiple input and multiple output situations.
• Complete illustration of permanent magnet DC motor integrated with hall effect sensor, its mathematical analysis, and position control.
• Creation of virtual prototype of mechatronics systems.
Chapter 1 provides an in-depth discussion of the key issues in the mechatronics design process and examines emerging trends. In addition, this chapter addresses recent advances of mechatronics in smart manufacturing and discusses the improvements to conventional designs by using a mechatronics approach.
Chapter 2 is devoted entirely to system modeling and simulation. Students will learn to create accurate computer-based dynamic models from illustrations and other information using the modified analogy approach. The procedure for converting a transfer function to a block diagram model is presented in this section as a six-step process. This unique method combines the standard analogy approach to modeling with block diagrams, the major difference being the ability to incorporate nonlinearities directly without bringing in linearization. Chapter 2 addresses a variety of physical systems often found in mechatronics. Such systems include mechanical, electrical, thermal, fluid, and hydraulic components. Models and techniques developed in this chapter are used in subsequent chapters in the chronology of the mechatronics design process.
Chapter 3 presents the basic theoretical concepts of sensors and transducers. The topics include instrumentation principles, analog and digital sensors, sensors for position, force, and vibration, and sensors for temperature, flow, and range.
Chapter 4 discusses several types of actuating devices, including DC motors, stepper motors, fluid power devices and piezoelectric actuators.
Chapter 5 looks at system control and logic methods. This includes fundamental aspects of digital techniques, digital theory such as Boolean logic, analog and digital electronics, and programmable logic controllers.
Chapter 6 presents controls and their design for use in mechatronics systems. Special attention is paid to real-world constraints, including time delays and nonlinearities. The Root Locus and Bode Plot design methods are discussed in detail, along with several design procedures for common control structures, including PI, PD, PID, lag, lead, and pure gain.
Chapter 7 discusses the theoretical and practical aspects of real-time data acquisition. Signal processing and data interpretation are handled using the visual programming approach. Several examples using LabVIEW and VisSim are presented. A case study involving pulse width modulation of a PI controller output of the PM DC Gear Motor Position Control System is also presented.
Chapter 8 presents a collection of case studies suitable for laboratory investigations. All case studies are implemented using a general purpose I/O board, visual simulation environment, and application software. The key aspect of the graphical environments is that the visual representation of system partitioning and interaction lends itself to mechatronics applications.
The combination of class discussions, simulation projects, and laboratory experimental design exposes the students to a practical platform of mechatronics. The real challenge in writing this book has been to connect complex and seemingly independent topics in a clear and concise manner, which is necessary for the understanding of mechatronics. The users of the book are requested to give feedback for further improvement of the text.
For students: Instructions for downloading the VisSim trial version can be found by visiting the textbook’s student companion site. Please visit www.cengage.com/engineering/shetty for more information.
For instructors: Additional resources can be found on the textbook’s instructor companion site.
Please visit www.cengage.com/engineering/shetty for more information.
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Mechatronics System Design Second Edition, SI Version by Devdas Shetty, and Richard A. Kolk pdf.
⏩Authors: Devdas Shetty, and Richard A. Kolk
⏩Copyright 2010 Cengage Learning
⏩Size: 20.6 MB
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