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An introductory reference covering the devices,simulations and limitations in the control of servosystems Linking theoretical material with real-world applications, thisbook provides a valuable introduction to motion system design. Thebook begins with an overview of classic theory, its advantages andlimitations, before showing how classic limitations can be overcomewith complete system simulation. The ability to efficiently varysystem parameters (such as inertia, friction, dead-band, damping),and quickly determine their effect on performance, stability,efficiency, is also described. The author…mehr

Produktbeschreibung
An introductory reference covering the devices,simulations and limitations in the control of servosystems Linking theoretical material with real-world applications, thisbook provides a valuable introduction to motion system design. Thebook begins with an overview of classic theory, its advantages andlimitations, before showing how classic limitations can be overcomewith complete system simulation. The ability to efficiently varysystem parameters (such as inertia, friction, dead-band, damping),and quickly determine their effect on performance, stability,efficiency, is also described. The author presents a detailedreview of major component characteristics and limitations as theyrelate to system design and simulation. The use of computer simulation throughout the book willfamiliarize the reader as to how this contributes to efficientsystem design, how it avoids potential design flaws and saves bothtime and expense throughout the design process. The comprehensivecoverage of topics makes the book ideal for professionals who needto apply theory to real-world situations, as well as students whowish to enhance their understanding of the topic. * Covers both theory and practical information at anintroductory level, allowing readers to advance to further topicshaving obtained a strong grounding in the subject * Provides a connection between classic servo technology andthe evolution of computer control and simulation * VisSim demonstration material available on an accompanyingwebsite enabling readers to experiment with system examples

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  • Produktdetails
  • Verlag: John Wiley & Sons
  • Seitenzahl: 312
  • Erscheinungstermin: 17. Oktober 2013
  • Englisch
  • ISBN-13: 9781118359679
  • Artikelnr.: 39904839
Autorenporträt
Frederick G. Moritz FM Systems, Ohio, USA
Inhaltsangabe
Acknowledgements xiii 1 Introduction 1 1.1 Targeted Readership 2 1.2 Motion System History 2 1.3 Suggested Library for Motion System Design 5 Reference 6 2 Control Theory Overview 7 2.1 Classic Differential/Integral Equation Approach 7 2.2 LaPlace Transform-the S Domain 10 2.3 The Transfer Function 13 2.4 Open versus Closed Loop Control 15 2.5 Stability 22 2.6 Basic Mechanical and Electrical Systems 23 2.7 Sampled Data Systems/Digital Control 28 References 34 3 System Components 35 3.1 Motors and Amplifiers 35 3.2 Gearheads 107 3.3 Leadscrews and Ballscrews 119 3.4 Belt and Pulley 126 3.5 Rack and Pinion 129 3.6 Clutches and Brakes 132 3.7 Servo Couplings 140 3.8 Feedback Devices 146 References 164 Additional Readings 165 4 System Design 167 4.1 Position
Velocity
Acceleration
Jerk
Resolution
Accuracy
Repeatability 167 4.2 Three Basic Loops - Current/Voltage
Velocity
Position 170 4.3 The Velocity Profile 182 4.4 Feed Forward 195 4.5 Inertia 200 4.6 Shaft Compliance 210 4.7 Compensation 216 4.8 Nonlinear Effects 224 4.9 The Eight Basic Building Blocks 230 References 253 5 System Examples - Design and Simulation 255 5.1 Linear Motor Drive 255 5.2 Print Cylinder Control 257 5.3 Conveyor System - Clutch/Brake Control 261 5.4 Bang-Bang Servo (Slack Loop System) 267 5.5 Wafer Spinner 272 Appendix 275 A.1 Brushless Motor Speed/Torque Curves 275 A.2 Inertia Calculation - Excel Program 277 A.3 Time Constants versus Viscous Damping Constant 277 A.4 Current Drive Review 279 A.5 Conversion Factors 285 A.6 Work and Power 286 A.7 I2R Losses 287 A.8 Copper Resistivity 290 Index 291