An experimental study on the active shape control of a smart cable‐stayed bridge model | Zendy

Xu Weiwei | Zendy; Masri Sami F. | Zendy; Lu Zhitao | Zendy; Ding Hanshan | Zendy

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An experimental study on the active shape control of a smart cable‐stayed bridge model

Author(s) -

Xu Weiwei,

Masri Sami F.,

Lu Zhitao,

Ding Hanshan

Publication year - 2013

Publication title -

structural control and health monitoring

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.587

H-Index - 62

eISSN - 1545-2263

pISSN - 1545-2255

DOI - 10.1002/stc.1522

Subject(s) - bridge (graph theory) , deflection (physics) , engineering , actuator , range (aeronautics) , structural engineering , control engineering , control theory (sociology) , computer science , control (management) , electrical engineering , medicine , artificial intelligence , physics , aerospace engineering , optics

SUMMARY This paper presents an experimental investigation of a ‘smart’ cable‐stayed bridge model that uses the mid‐span strain as feedback, and a computer‐controlled direct current motor as an actuator. When a load is moved on the ‘smart’ bridge, the deflection of the bridge can be controlled within a permissible range by means of the motor contracting or releasing the middle cable. An adaptive, multilevel, control system is implemented to control the bridge, and a number of static and dynamic tests are carried out. The results illustrate that the proposed adaptive control performance under various moving loads can be achieved within a prescribed motion range and limited control motor speed. Copyright © 2012 John Wiley & Sons, Ltd.

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