Technology of Semiactive Devices and Applications in Vibration Mitigation
Technology of Semiactive Devices and Applications in Vibration Mitigation presents the most up-to-date research into semiactive control systems and illustrates case studies showing their implementation and effectiveness in mitigating vibration. The material is presented in a way that people not familiar with control or structural dynamics can easily understand.
Connecting structural dynamics with control, this book:
- Provides a history of semiactive control and a bibliographic review of the most common semiactive control strategies.
- Presents state-of-the-art semiactive control systems and illustrates several case studies showing their implementation and effectiveness to mitigate vibration.
- Illustrates applications related to noise attenuation, wind vibration damping and earthquake effects mitigation amongst others.
- Offers a detailed comparison between collocated and non-collocated systems.
- Formulates the design concepts and control algorithms in simple and readable language.
- Includes an appendix that contains critical considerations about semiactive devices and methods of evaluation of the original damping of a structure.
Technology of Semiactive Devices and Applications in Vibration Mitigation is a must-have resource for researchers, practitioners and design engineers working in civil, automotive and mechanical engineering. In addition it is undoubtedly the key reference for all postgraduate students studying in the field.
List of Tables.
List of Algorithms.
List of Symbols.
Organization of the Book.
1 Reliability, Robustness and Structural Control.
1.1 Preliminary Concepts.
1.3 System Representation.
1.4 A Comparison of Passive, Active and Semiactive Control Strategies.
2 Collocated and Non-collocated Systems.
2.2 Definition of Collocated System.
2.3 Centralized and Non-centralized Systems.
2.4 Linear and Non-linear Systems.
2.5 The Problem of Spillover.
2.6 Advantages and Disadvantages of Collocated and Non-collocated Systems.
2.7 A Numerical Comparison.
3 Semiactive Devices.
3.1 The Basic Idea and a Brief History.
3.2 Variable Viscous Devices.
3.3 Variable Stiffness Devices.
3.4 Magnetorheological Devices.
3.5 Friction Devices.
3.6 Tuned Liquid Dampers.
3.7 Electro-inductive Device.
3.8 Air-jet Actuators.
3.9 SMA Actuators.
4 Semiactive Control Laws.
4.1 Control Strategies and Algorithms for Semiactive Damping.
4.2 Implementation Schemes.
5 Implementation of Semiactive Control Strategies.
5.2 Hardware Control Implementation.
5.3 Real-time Software.
5.4 Non-centralized Control Versus Collocated Systems.
6 Experimental Verification.
6.2 The Challenges of Performance-based Design in Structural Testing.
6.3 Base-isolated Buildings and Bridges.
6.4 Supplemental Damping Devices.
6.5 Experimental Methods in Structural Dynamics.
6.6 Assessment of Structural Control Devices.
7 Stability and Foreseen Developments.
7.1 Preliminary Concepts.
7.2 Semiactive Features.
Appendix A: Damping.
A.1 Types of Damping.
A.2 Why Have a Damping Matrix?
A.3 Rayleigh Damping.
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