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Aerodynamic Active Control of Wind Induced Vibration of a Long Span Bridge

Aerodynamic Active Control of Wind Induced Vibration of a Long Span Bridge
大跨桥梁风振气动主动控制
批准号：
09650537
负责人：
KOBAYASHI Hiroshi
金额：
$1.28万
依托单位：
Ritsumeikan University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1997
资助国家：
日本
项目状态：
已结题
起止时间：
1997 至 1998
来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-09650537/
关键词：
suspension bridgeflutteractivecontrolflapアクティブコントロール

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中文摘要
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英文摘要
In the design of super long span suspension bridge, flutter vibration due to wind is very important problem. For suppressing it or increasing the onset velocity an active control technology is investigated. The employed method is that flaps attached at the both ends of stiffening girder are driven in time to the motion of the girder in the manner that the flaps produce the aerodynamic suppressing force. It was found that flutter of a suspension bridge could be suppressed by the feedback control by heaving and pitching motions of flutter.Flutter control of a suspension bridge have a span of 3000 m was discussed. The width of flaps is a quarter of the deck width. Flutter speed without control was 39-m/s. Flap motion with suitable phase and amplitude could suppress the flutter. Reliability of the control system was discussed. Dividing the system spanwisely into small systems attributes a failsafe system ; flaps, driving system and wind power generator compose each of them.
期刊论文(6)
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会议论文
H.Kobayashi, R.Ogawa: "Active Flutter Control of a Bridge Deck by Ailerons" 2nd.World Conf.on Structural Control. (発売予定). (1998)
H.Kobayashi、R.Okawa：“副翼对桥面的主动颤振控制”第二届世界结构控制大会（即将发布）。
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通讯作者：
S.Taniguchi, R.Ogawa and H.Kobayashi: "Active Control of Flutter by Airelon"Ann. conf. of JSCE. I-B. 148-149 (1997)
S.Taniguchi、R​​.Okawa 和 H.Kobayashi：“Airelon 对颤振的主动控制”Ann。
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通讯作者：
H.Kobayashi, R.Ogawa and S.Taniguchi: "Active Flutter Contorol of Bridg Deck by Ailerons"Proc of the Second World Conf.on STRUCTURL CONTROL. 3. 1843-1848 (1798)
H.Kobayashi、R.Okawa 和 S.Taniguchi：“Ailerons 的桥面主动颤振控制”第二届世界 STRUCTURL CONTROL 会议的会议记录。
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通讯作者：
H.Kobayashi, R.Ogawa and S.Taniguchi: "Active Flutter Control of a Bridg Deck by Ailerons" Prec. of the Second World Conf. on STRUCTURAL CONTROL. 3. 1843-1848 (1998)
H.Kobayashi、R.Okawa 和 S.Taniguchi：“副翼对桥面板的主动颤振控制”Prec。
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