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Research and Application of an Electro-hydraulic Synchronous Control System for Bridge Lifting 被引量:2
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作者 ZHANG Cheng-pu XIAO Ju-liang 《International Journal of Plant Engineering and Management》 2009年第1期1-7,共7页
With the increase of bridge reconstruction schemes, synchronous lifting of a bridge is more and more widely used. In order to solve the problems associated with the synchronoas lifting of a bridge, a multi-cylinder sy... With the increase of bridge reconstruction schemes, synchronous lifting of a bridge is more and more widely used. In order to solve the problems associated with the synchronoas lifting of a bridge, a multi-cylinder synchronous lifting power and monitoring system has been developed. This is a distributed control system, which is com- posed of an industrial computer workstation, a programmable logical controller and a hydraulic control system. The system can achieve distributed control and centralized operation of actuators, and centralized management of infor- mation. It not only can implement multi-cylinder synchronous lifting with an unbalanced load, but also can moni- tor the pressure, displacement and stress at each lifting point. The performance of the multi-cylinder synchronous system is verified through its application to several bridge lifting engineering projects. The details of such a project are given. 展开更多
关键词 synchronous lifting of a bridge multi-cylinder synchronization distributed control system
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