Topic
Active vibration control
About: Active vibration control is a research topic. Over the lifetime, 6770 publications have been published within this topic receiving 76599 citations. The topic is also known as: active vibration damping.
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TL;DR: In this paper, a modified positive position feedback (PPF) scheme is developed to design the PPF compensator gains in a more systematical way to stabilize the vibration modes in the inner loop, in which a cost function is introduced to be minimized by the feedback gains subject to the stability criterion at the same time.
39 citations
TL;DR: The simulation results clearly demonstrate an effective vibration suppression capability that can be achieved using piezoelectric actuator with the incorporated self-learning feedback controller.
39 citations
TL;DR: Considering the spillover and harmonic effect in real active vibration control, a novel composite controller based on disturbance observer (DOB) for the all-clamped panel is presented in this article.
39 citations
TL;DR: In this article, the aim of active vibration control is to contain these phenomena, and the aim is to prevent the system from becoming susceptible to dangerous vibratory phenomena, such as small damping.
Abstract: Many systems have, by their nature, a small damping and they are therefore potentially subjected to dangerous vibratory phenomena. The aim of active vibration control is to contain these phenomena,...
39 citations
01 May 1994
TL;DR: The use of piezoelectric materials simultaneously as passive modal devices and active elements to suppress structural vibrations is discussed in this article, where a simple modal model is developed which predicts the behavior.
Abstract: The use of piezoelectric materials simultaneously as passive modal devices and active elements to suppress structural vibrations is discussed. A simple modal model is developed which predicts the behavior. Experimental studies are then conducted to verify the model. The results show a reduction of 20 dB in the second mode of the structure is possible via passive shunting while simultaneously commanding the piezo-actuator. The results indicate that for vibration problems involving a few modes, piezoelectric devices combining active and passive techniques can significantly reduce the broadband structural response to disturbances.© (1994) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
39 citations