Optimal hybrid active/passive vibration control design

Jonathan D. Kemp; Robert L. Clark

doi:10.1117/12.475240

10 July 2002 Optimal hybrid active/passive vibration control design

Jonathan D. Kemp, Robert L. Clark

Proceedings Volume 4693, Smart Structures and Materials 2002: Modeling, Signal Processing, and Control; (2002) https://doi.org/10.1117/12.475240
Event: SPIE's 9th Annual International Symposium on Smart Structures and Materials, 2002, San Diego, California, United States

Abstract

Hybrid active/passive control systems present unique, energy-efficient solutions to noise and vibration problems. In many applications, active systems offer the only feasible control of low-frequency, high intensity vibrations, while passive materials offer superior attenuation at higher frequencies. These two systems can be optimally coordinated for broad-band control. An energy balancing metric forms the basis of an optimization routine designed to minimize both the broad-band vibratory energy of the structure and the weight, volume, and energy use of the control system. The optimization routine also investigates placement, size, and orientation of the active and passive control system elements. Initial experimentation on two-dimensional panels confirms the advancements provided by the optimization scheme. Here, active piezoceramic patches partner with passive constrained layer damping treatment to present the notable achievement of a coordinated control system no longer confined to a particular frequency range.

Citation Download Citation

Jonathan D. Kemp and Robert L. Clark "Optimal hybrid active/passive vibration control design", Proc. SPIE 4693, Smart Structures and Materials 2002: Modeling, Signal Processing, and Control, (10 July 2002); https://doi.org/10.1117/12.475240

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