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Control Of Imperfect Nonlinear Electromechanical Large Scale Systems: From Dynamics To Hardware Implementation [Kõva köide]

(University Of Catania, Italy), (Univ Degli Studi Di Catania, Italy), (Univ Degli Studi Di Catania, Italy), (University Of Catania, Italy)
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Control Of Imperfect Nonlinear Electromechanical Large Scale Systems: From Dynamics To Hardware ImplementationSuurem pilt
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Püsilink: https://www.kriso.ee/db/9789813227231.html
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This book focuses on a class of uncertain systems that are called imperfect, and shows how much systems can regularly work if an appropriate control strategy is adopted. Along with some practical well studied examples, a formalization of the models for imperfect system is considered and a control strategy is proposed. Experimental case studies on electromechanical systems are also included.New concepts, experimental innovative circuits and laboratory details allow the reader to implement at low cost the outlined strategy. Emergent topics in nonlinear device realization are emphasized with the aim to allow researchers and students to perform experiments with large scale electromechanical systems. Moreover, the possibility of using imperfections and noise to generate nonlinear strange behavior is discussed.
Preface v
Acknowledgments vii
1 Imperfect Uncertain Systems
1(16)
1.1 Introduction
1(2)
1.2 Examples
3(6)
1.2.1 Friction in a sliding wheel
3(1)
1.2.2 Nonidealities in electronic devices
4(2)
1.2.3 Oscillations in a single transistor circuit
6(1)
1.2.4 Chaotic behavior of operational amplifiers
7(1)
1.2.5 Chaotic actuation of a microrobot
8(1)
1.3 Understanding Imperfect Uncertain Systems
9(3)
1.3.1 Stochastic vs. deterministic systems
10(1)
1.3.2 Imperfections and uncertainties
10(2)
1.4 Main Ideas to Control Imperfect Uncertain Systems
12(2)
1.5 Case Studies
14(3)
2 Modeling and Control Strategy
17(8)
2.1 General Remarks
17(1)
2.2 Mathematical Model of an Imperfect Uncertain System
18(1)
2.3 Vibrational Control
19(3)
2.3.1 Classical vibrational control
19(2)
2.3.2 Closed-loop vibrational control
21(1)
2.3.3 General remarks on vibrational control
22(1)
2.4 A Control Strategy for Uncertain Imperfect Systems
22(2)
2.4.1 Vibrational control signals: periodic and chaotic actuation
23(1)
2.5 Mathematical Model of Large-scale Imperfect Uncertain Systems
24(1)
3 Overview of the Electromechanical Structures
25(16)
3.1 Model of the Coil
25(10)
3.1.1 Constructive details of the single coil-magnet system
25(3)
3.1.2 Mathematical model of the single rotating coil
28(1)
3.1.3 Sensors equipments for coil model validation
29(6)
3.2 Mechanical Supports
35(6)
3.2.1 General description
35(2)
3.2.2 Construction details of the rectangular and circular structures
37(4)
4 Large-scale Electromechanical Systems with Passive and Active Vibrations
41(8)
4.1 Modeling the Rectangular Structure
42(1)
4.1.1 Simulation of the start-up phase
42(1)
4.1.2 Simulation of the control phase (regularization)
43(1)
4.2 Modeling the Circular Structure
43(6)
4.2.1 Simulation of the start-up phase
44(1)
4.2.2 Simulation of the control phase (regularization)
44(5)
5 Equipments and a Gallery of Experiments
49(50)
5.1 Overview of the Experimental Setup
49(10)
5.1.1 Measurement systems
50(2)
5.1.2 Generation of the control signals
52(3)
5.1.3 Actuation systems
55(4)
5.2 Working Principle and Genesis of Horizontal and Vertical Vibrations
59(4)
5.3 Experiments on the Rectangular Structure
63(14)
5.3.1 Mechanical behavior
65(1)
5.3.2 Start-up phase and angular speeds characterization
65(4)
5.3.3 Regularizing the angular speeds: weak vibrational control
69(8)
5.4 Experiments on the Circular Structure
77(22)
5.4.1 Mechanical behavior
77(1)
5.4.2 Start-up phase and angular speeds characterization
78(1)
5.4.3 Regularizing the angular speeds: weak vibrational control
79(20)
6 Active Imperfect Systems to Realize Chaotic Mechanical Oscillators
99(16)
6.1 A New Electromechanical Oscillator
99(6)
6.1.1 The electro-mechanical setup
100(1)
6.1.2 Mathematical model of the oscillator
101(3)
6.1.3 Experimental results
104(1)
6.2 A Driven Chaotic Rotating Coil
105(10)
6.2.1 Driving a single coil-magnet system
106(1)
6.2.2 Mathematical model of the driven chaotic rotating coil and experimental results
106(9)
7 Conclusions
115(2)
8 Epilogue
117(6)
8.1 A Route to Engineering Studies
117(3)
8.2 Towards an Electromechanical Spiking Neuron
120(3)
Appendix A Appendix
123(6)
A.1 Microcontroller Code
123(6)
Bibliography 129(4)
Index 133