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Smart technologies /
A general introduction to intelligent or smart materials, systems and machines. Presented in understandable and non-mathematical terms, it is for anyone who is interested in future developments in these fields or who needs to be briefed on the current status of these interdisciplinary technologies....
| Clasificación: | Libro Electrónico |
|---|---|
| Autor principal: | |
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
River Edge, NJ :
World Scientific,
©2003.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover
- Contents
- Preface
- 1 The Smart Approach 8212; An Introduction to Smart Technologies
- 1.1 What Constitutes a Smart Technology?
- 1.2 Application of Smart Technologies
- 1.2.1 An Interdisciplinary Field
- 2 Sensing Systems for Smart Structures
- 2.1 Introduction
- 2.2 Sensor Requirements in Smart Systems
- 2.3 Sensor Technologies for Smart Systems
- 2.3.1 The Options
- 2.3.2 Using Conventional Sensors
- 2.3.3 New Technologies 8212; Fibre Optic Sensors
- 2.3.4 MEMS
- 2.3.5 Piezoceramics and Piezoelectric Polymers
- 2.3.6 Film Technologies: Coatings and Threads
- 2.4 Conclusions
- 3 Vibration Control Using Smart Structures
- 3.1 Introduction
- 3.1.1 The Dynamics of Structures
- 3.1.2 Modal Analysis of Structures
- 3.2 Sensors and Actuators
- 3.3 Active Control of Structures
- 3.3.1 Modal Control
- 3.3.2 Adding Damping 8212; Derivative Feedback
- 3.3.3 Positive Position Feedback
- 3.3.4 Other Controllers
- 3.4 Examples of Vibration Control
- 3.4.1 A Cantilever Beam
- 3.4.2 A Slewing Beam
- 3.4.3 A Slewing Frame
- 3.4.4 Antenna
- 3.4.5 Plate Example
- 3.5 Conclusions
- Bibliography
- 4 Data Fusion 8212; The Role of Signal Processing for Smart Structures and Systems
- 4.1 Introduction
- 4.2 Sensors
- 4.3 Sensor Fusion
- 4.4 The JDL Model
- 4.5 The Boyd Model
- 4.6 The Waterfall Model
- 4.7 The Omnibus Model
- 4.8 The Relevance of Data Fusion for Smart Structures
- 4.9 Case Study: Fault Detection Based on Lamb Wave Scattering
- 4.9.1 Lamb Waves
- 4.9.2 Novelty Detection
- 4.9.3 Results
- 4.10 Sensor Optimisation, Validation and Failure-Safety
- 4.10.1 Optimal Sensor Distributions
- 4.10.2 Failure-Safe Distributions
- 4.11 Conclusions
- Acknowledgements
- Appendix A The Multi-Layer Perceptron
- Bibliography
- 5 Shape Memory Alloys 8212; A Smart Technology?
- 5.1 Introduction
- 5.2 Structural Origins of Shape Memory
- 5.3 One-Way Shape Memory
- 5.4 Two-Way Memory Effect
- 5.5 Pseudoelasticity or the Superelastic Effect
- 5.6 A Brief History of Memory Alloys and their Application
- 5.7 Why Not Use Bimetals?
- 5.8 Types of Shape Memory Alloy
- 5.9 Nickel Titanium Shape Memory Alloys
- 5.9.1 Background
- 5.9.2 Mechanical Behaviour
- 5.9.3 Corrosion Characteristics
- 5.9.4 Ternary Additions
- 5.9.5 Summary of Mechanical and Physical Properties
- 5.10 NiTi Shape Memory Alloys in Smart Applications
- 5.11 Shape Memory Alloys as Smart Actuators
- 5.11.1 Political Factors
- 5.11.2 Economic Forces
- 5.11.3 Social Forces
- 5.11.4 Technological Forces
- 5.12 Shape Memory Alloys and their Fit to Smart Technologies
- 5.12.1 Shape Memory Alloys 8212; A Smart Material?
- 5.12.2 Shape Memory Alloys in Smart Structures
- 5.13 Final Thoughts
- Bibliography
- 6 Piezoelectric Materials
- 6.1 Introduction to Piezoelectricity
- 6.1.1 Crystallography of Piezoelectricity
- 6.1.2 The Interaction Between Mechanical and Electrical Systems
- 6.1.3 Some Piezoelectric Materials
- 6.2 Applications of the Direct Piezoelectric Effect
- 6.3 Acoustic Transducers
- 6.4 Piezoelectric Actuators
- 6.4.1 Bimorphs and Other Bending Piezo-Actuators
- 6.4.2 Monolithic Actuators
- 6.4.3 Stack and Multi-Layer Act.