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: Different H2 control laws have been designed and compared by simulation, in order to evaluate the performance obtained using different combinations of sensors and actuators together with models taking into account an increasing number of structural eigenmodes.
86 citations
TL;DR: In this article, a six-degree-of-freedom rigid body model of an active anti-vibration system is developed and the unknown parameters of the unloaded system, including actuator transduction constants, spring stiffness, damping, moments of inertia, and the vertical position of the center of mass, are determined by comparing measured transfer functions to those calculated using the updated model.
86 citations
TL;DR: In this article, the authors proposed an active vibration control scheme for controlling transverse vibration of a rotor shaft due to unbalance and presented a theoretical study, which uses electromagnetic exciters mounted on the stator at a plane, in general away from the conventional support locations, around the rotor shaft for applying suitable force of actuation over an air gap to control transverse vibrations.
86 citations
TL;DR: In this article, the authors investigated the feasibility of using a DEAP actuator in active vibration isolation (AVI) by placing an active isolator between an electrodynamic shaker and a mass.
85 citations
TL;DR: In this article, a simple analytical method for predicting the maximum reduction levels of vibration and noise by active vibration cancellation (AVC), compared with the conventional excitation, is presented. And its predicted results are then verified by experiments on a prototype 6/4 SRM.
Abstract: High acoustic noise and vibration is one of the main drawbacks, which has limited the wide application of switched reluctance machine (SRM), especially when it is noise and vibration sensitive. Therefore, many studies have been carried out to reduce the acoustic noise and vibration of SRM. One attractive and effective method is the active vibration cancellation (AVC) proposed by Wu and Pollock, which is easy to realize without increasing any hardware. This paper presents a simple analytical method for predicting the maximum reduction levels of vibration and noise by AVC, compared with the conventional excitation. Its predicted results are then verified by experiments on a prototype 6/4 SRM.
85 citations