摘要
建立了高空作业平台折叠臂变幅机构的力学模型,推导出变幅机构几何关系和静力学方程,得出变幅油缸受力随变幅角度的变化曲线,并建立以变幅机构铰点坐标值为设计变量、以变幅油缸受力最小为目标函数的优化模型,同时应用MATLAB优化工具箱中fmincon函数进行最优化设计.优化结果已成功应用于实际产品,取得了较好的效果.
Firstly, a dynamical model for folding-arm luffing mechanism of aerial work platform is established. Then, the geometric relationship, together with the oil-cylinder statics equation, is deduced for luffing mechanism. Next, the loading curve of luffing oil-cylinder against the luffing angle is obtained. Afterwards, an optimized model is constructed by using the hinge-joint coordinates of luffing system as design variables as well as the minimum loading on luffing oil-cylinder as objective function. Meanwhile, the optimization design is conducted based on the‘fmincon＇ function of MATLABTM optimization toolbox. Finally, the optimization results are successfully and effectively applied for industrial product design.
出处
《中国工程机械学报》
2012年第4期403-407,共5页
Chinese Journal of Construction Machinery
关键词
高空作业平台
变幅机构
优化
aerial work platform
luffing mechanism
optimization
