Technology of Semiactive Devices and Applications in Vibration Mitigation

Researchers have studied many methods of using active and passivecontrol devices for absorbing vibratory energy. Active devices,while providing significant reductions in structural motion,typically require large (and often multiply-redundant) powersources, and thereby raise concerns about stability. Passivedevices are fixed and cannot be modified based on information ofexcitation or structural response. Semiactive devices on the otherhand can provide significant vibration reductions comparable tothose of active devices but with substantially reduced powerrequirements and in a stable manner. Technology of Semiactive Devices and Applications inVibration Mitigation presents the most up-to-date research intosemiactive control systems and illustrates case studies showingtheir implementation and effectiveness in mitigating vibration. Thematerial is presented in a way that people not familiar withcontrol or structural dynamics can easily understand. Connecting structural dynamics with control, this book: * Provides a history of semiactive control and a bibliographicreview of the most common semiactive control strategies. * Presents state-of-the-art semiactive control systems andillustrates several case studies showing their implementation andeffectiveness to mitigate vibration. * Illustrates applications related to noise attenuation, windvibration damping and earthquake effects mitigation amongstothers. * Offers a detailed comparison between collocated andnon-collocated systems. * Formulates the design concepts and control algorithms in simpleand readable language. * Includes an appendix that contains critical considerationsabout semiactive devices and methods of evaluation of the originaldamping of a structure. Technology of Semiactive Devices and Applications inVibration Mitigation is a must-have resource for researchers,practitioners and design engineers working in civil, automotive andmechanical engineering. In addition it is undoubtedly the keyreference for all postgraduate students studying in the field.