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Dynamics of Smart Structures



Dynamics of Smart Structures

Ranjan Vepa

ISBN: 978-0-470-71061-6 March 2010 410 Pages

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Dynamics of Smart Structures is a practical, concise and integrated text that provides an introduction to the fundamental principles of a field that has evolved over the recent years into an independent and identifiable subject area. Bringing together the concepts, techniques and systems associated with the dynamics and control of smart structures, it comprehensively reviews the differing smart materials that are employed in the development of the smart structures and covers several recent developments in the field of structural dynamics.

Dynamics of Smart Structures has been developed to complement the author's new interdisciplinary programme of study at Queen Mary, University of London that includes courses on emerging and new technologies such as biomimetic robotics, smart composite structures, micro-electro-mechanical systems (MEMS) and their applications and prosthetic control systems. It includes chapters on smart materials and structures, transducers for smart structures, fundamentals of structural control, dynamics of continuous structures, dynamics of plates and plate-like structures, dynamics of piezoelectric media, mechanics of electro-actuated composite structures, dynamics of thermo-elastic media: shape memory alloys, and controller designs for flexible structures.


1 From Smart Materials to Smart Structures.

1.1 Modern Materials: A Survey.

1.2 Ceramics.

1.3 Composites.

1.4 Introduction to Features of Smart Materials.

1.6 Shape Memory Materials.

1.7 Complex Fluids and Soft Materials.

1.8 Active Fibre Composites.

1.9 Optical Fibres.

1.10 Smart Structures and Their Applications.

2 Transducers for Smart Structures.

2.1 Introduction.

2.2 Transducers for Structural Control.

2.3 Actuation of Flexible Structures.

2.4 Sensors for Flexible and Smart Structures.

2.5 Fibre-optic Sensors.

3 Fundamentals of Structural Control.

3.1 Introduction.

3.2 Analysis of Control Systems in the Time Domain.

3.3 Properties of Linear Systems.

3.4 Shaping the Dynamic Response Using Feedback Control.

3.5 Modelling of the Transverse Vibration of Thin Beams.

3.6 Externally Excited Motion of Beams.

3.7 Closed-loop Control of Flexural Vibration.

4 Dynamics of Continuous Structures.

4.1 Fundamentals of Acoustic Waves.

4.2 Propagation of Acoustic Waves in the Atmosphere.

4.3 Circuit Modelling: The Transmission Lines.

4.4 Mechanics of Pure Elastic Media.

5 Dynamics of Plates and Plate-like Structures.

5.1 Flexural Vibrations of Plates.

5.2 The Effect of Flexure.

5.3 Vibrations in Plates of Finite Extent: Rectangular Plates.

5.4 Vibrations in Plates of Finite Extent: Circular Plates.

5.5 Vibrations of Membranes.

6 Dynamics of Piezoelectric Media.

6.1 Introduction.

6.2 Piezoelectric Crystalline Media.

6.3 Wave Propagation in Piezoelectric Crystals.

6.4 Transmission Line Model.

6.5 Discrete Element Model of Thin Piezoelectric Transducers.

6.6 The Generation of Acoustic Waves.

7 Mechanics of Electro-actuated Composite Structures.

7.1 Mechanics of Composite Laminated Media.

7.2 Failure of Fibre Composites.

7.3 Flexural Vibrations in Laminated Composite Plates.

7.4 Dynamic Modelling of Flexible Structures.

7.5 Active Composite Laminated Structures.

8 Dynamics of Thermoelastic Media: Shape Memory Alloys.

8.1 Fundamentals of Thermoelasticity.

8.2 The Shape Memory Effect: The Phase-transformation Kinetics.

8.3 Non-linear Constitutive Relationships.

8.4 Thermal Control of Shape Memory Alloys.

8.5 The Analysis and Modelling of Hysteresis.

8.6 Constitutive Relationships for Non-linear and Hysteretic Media.

8.7 Shape Memory Alloy Actuators: Architecture and Model Structure.

9 Controller Design for Flexible Structures.

9.1 Introduction to Controller Design.

9.2 Controller Synthesis for Structural Control.

9.3 Optimal Control Synthesis: H∞ Linear Matrix Inequalities.

9.4 Optimal Design of Structronic Systems.

9.5 Design of an Active Catheter.

9.6 Modelling and Control of Machine Tool Chatter.


"Examples of structures assembled from smart materials demonstrate basic principles and illustrate properties of commonly used smart structure prototypes. Extending beyond the needs of a two-semester or one-year course, the text can be used for a senior undergraduate or graduate course." (Book News, September 2010)