山东大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (1): 112-118.doi: 10.6040/j.issn.1672-3961.0.2016.326
韩广冬,张桐,陈海泉,王生海,张金男
HAN Guangdong, ZHANG Tong, CHEN Haiquan, WANG Shenghai, ZHANG Jinnan
摘要： 基于船舶在海浪中的运动导致吊重的摆动问题,利用吊重系统的空间位置关系得到吊重的运动方程,采用拉格朗日方程建立船用起重机吊重系统的运动学模型,使用Matlab/Simulink软件对运动学模型进行仿真建模,根据船舶在规则波浪中的运动,详细分析不同的吊绳长度、激励频率、起落速度下吊重摆动情况,并进行比对。结果表明:吊重的摆角随绳长的增加呈现出先增加后减小的趋势;吊重的摆幅随着激励频率不断接近系统固有频率而增加;提高起升速度对吊重的摇摆有增强作用,提高下降速度对吊重的摆角有抑制作用。通过搭建试验平台进行试验,试验结果验证了仿真结果的准确性。
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