垂直螺旋输送机操作参数的优化设计与验证  

Optimal Design and Verification of the Operating Parameters of the Vertical Screw Conveyor

作　　者：李永桥[1] 余书豪 谢松乐 游秋香 LI Yong-qiao;YU Shu-hao;XIE Song-le;YOU Qiu-xiang(School of Manufacturing Science and Engineering,Southwest University of Science and Technology,Sichuan Mianyang 621010,China)

机构地区：[1]西南科技大学制造科学与工程学院

出　　处：《机械设计与制造》2019年第6期150-152,156,共4页Machinery Design & Manufacture

基　　金：四川省教育厅资助科研项目(17ZB0444)

摘　　要：为了揭示操作参数与性能参数之间的内在关系,从而反映出其内在规律。最小二乘拟合方法与Matlab优化函数相结合,采用EDEM软件获取试验指标的数值,推导出操作参数与性能参数之间的响应面模型,分别选取多项式函数、指数函数对性能指标的响应面模型进行分析,通过对比不同拟合方法下的相对误差,结果表明:对于输送量采用一次多项式函数误差最小,对于能量耗散采用二次多项式函数误差最小。并使用能量耗散和输送量为目标函数,得出一组较好的操作参数,通过实验验证了优化后操作参数的可行性。研究成果对输送机操作参数的选取具有一定的参考价值。In order to enclose the relation of the operating parameters and performance parameters,the inherent law of the screw conveyor can be got.The method of least squares fitting was combined with optimization function in MATLAB,the test index values can be obtained by the simulation using EDEM.The response surface model a b out operating parameters and performance parameters was derived.The polynomial function and exponential function are used for the analysis of the response surface model of performance indexes.Through comparing the relative error in different fitting ways,the results show that the fitting error is smallest for mass flow rate using first order polynomial function and for the energy dissipation using quadratic polynomial function.energy dissipation and mass flow rate are used for objective function,the proper operating parameters can be got.The feasibility is verified by the experiment.The study result provides a certain preference for the selection of the operating parameters of screw conveyor.

关 键 词：螺旋输送机 响应面模型 EDEM 优化 MATLAB 

分 类 号：TH16[机械工程—机械制造及自动化] TB44[一般工业技术]