A semi-active controller for the vibration absorber on the I-35 Walnut Creek Bridge

被引：0

作者：

Zeng, H ^{[1
]}

Kuehn, J ^{[1
]}

Song, G ^{[1
]}

Sun, J ^{[1
]}

Stalford, H ^{[1
]}

机构：

[1] Univ Oklahoma, Ctr Struct Control, Norman, OK 73019 USA

来源：

PROCEEDINGS OF THE 2000 AMERICAN CONTROL CONFERENCE, VOLS 1-6 | 2000年

关键词：

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A simple bi-state Lyapunov controller has been developed for an Intelligent Stiffener for Bridges (ISB). The simple control logic is a reduction from the nth-order Lyapunov controller used on the first ISB prototype, which requires a complex sensor network (more than 20 sensors of three types in this case). The bistate controller requires only three local sensors (two pressure sensors and one LVDT). The sensors are installed directly to the semi-active actuator, not the bridge. It forms a completely self-contained control system. The performance is comparable to the complex system. Simulation of the simplified controller yields a 36% peak stress reduction as compared to 42% for the complex control.

引用

页码：3565 / 3569

页数：5

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