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《Journal of Shandong Agricultural University(Natural Science Edition)》 2018-06
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Research on Autocontrol for the Grab Bucket Swing of Bridge Type Ship Unloader Based on MSC-Adams

YU Shang-chang;YANG Ming-hua;YANG Yong;LI Nan;Zhejiang Zheneng Wenzhou Power Generation Co., Ltd.;Hangzhou Jiyi Technoloy Co., Ltd.;  
Aims to the shortages of conventional ridge type un-loader grab swing self-controlling and anti-collision strategies,this paper constructed a novel grab-car virtual dynamic system. After construction of dynamic systems, we constructed discrete rigid bodies for multiple steel wire ropes based on MSC-Adams technology. Then, the Bushing strategy was constructed based on the steel wire rope models, and such strategy was useful for improving the elastic modules of steel wire ropes. Simulation experimental results showed that there existed multiple factors that influenced the anti-collision strategy of grab swing. Based on the multiple influenced factors, we analyzed the relationships between the magnitude of grab swing and the speed of small car. Analysis results demonstrated the swing curves of bridge type unloader grab, and we also designed the anti-collision strategy for the grab.
【CateGory Index】: U653.928.1
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