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The active rotary inertia driver system for flutter vibration control of bridges and various promising applications

Science China(Technological Sciences) 2023年第2期66卷 390-405页

作者： ZHANG ChunWei Multidisciplinary Center for Infrastructure Engineering Shenyang University of TechnologyShenyang 110870China

Active control technology has been investigated and applied in numerous building structures and infrastructures since 1972 when it was firstly introduced into the civil engineering field by Professor JTP ***,half a century has passed,a variety of control systems have been invented and implemented by researchers and engineers from all over the *** recent years have witnessed remarkable research attempts and progress devoted to the development in this area based on modern control ***,there are still some unknown areas which are worthy of being explored in *** of such examples is the application of tuned mass dampers(TMD)to the flutter vibration control of long span *** applications of TMDs to bridges have been sighted in practice,their genuine effectiveness remains a serious *** issues relating to how the coupled effect of TMD’s linear force being restricted by the rotational velocity of bridge’s deck during wind excitations which may eventually leads to flutter vibrations,remains *** unusual phenomena and limitations were initially discovered and reported by the author sixteen years ago when investigating the barge ship crane hook’s swing motion *** recent years,the author has invented the active rotary inertia driver(ARID)system which now has been granted patents in China,the US,Europe(including the UK,France,and Germany),Russia,Brazil,India,South Africa,Canada,Australia,Japan and Korean,*** ARID is an active control system which could exert direct control torque or moment to the target structures with rotational motions or vibrations natures,including and not limited to buildings,bridges or offshore platforms subjected to winds,earthquakes,and waves ***,the ARID control system and its methodology can also be applicable to various mechanical systems including but not limited to cranes,vehicles,trains,ships,aircrafts,space crafts,satellites,and *** this paper,the theor

关键词： structural vibration control active control rotational vibration swing motion long-span bridges flutter vibration multiple hazards

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