基于多种载荷下蛇形带式输送系统动力学建模与仿真研究
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摘要
为研究蛇形带式输送系统在各实际工况下的动力学特性,利用刚度阻尼理论建立蛇形带式输送系统的运动坐标系以及纵向动力学方程;利用Matlab构建系统数学模型,应用Simulink对系统在启动、制动以及特殊载荷的影响下的纵向动力学特性进行仿真分析;并将结果与基于普通带式输送机动力学特性的结果进行对比,得出了蛇形带式输送系统在启动、制动以及特殊载荷下的动力学特性与普通带式输送机具有相同的规律特征的结论。
To research the dynamic characteristics of the serpentuating belt conveyor system in the actual working conditions, the moving coordinate system and the longitudinal dynamic equations of the serpentuating conveyor belt system was established by means of the theory of stiffness and damping; the mathematical model of the system was constructed by using MATLAB, the simulation and analysis of the longitudinal dynamic characteristics on the influence of starting, braking and the special load was conducted by using Simulink; and the results were compared with dynamic characteristics of the ordinary belt conveyor, The conclusion that the dynamic characteristics of the serpentuating conveyor belt system dynamics in starting, braking and special loads and the ordinary belt conveyor have the same regular features is obtained.
To research the dynamic characteristics of the serpentuating belt conveyor system in the actual working conditions, the moving coordinate system and the longitudinal dynamic equations of the serpentuating conveyor belt system was established by means of the theory of stiffness and damping; the mathematical model of the system was constructed by using MATLAB, the simulation and analysis of the longitudinal dynamic characteristics on the influence of starting, braking and the special load was conducted by using Simulink; and the results were compared with dynamic characteristics of the ordinary belt conveyor, The conclusion that the dynamic characteristics of the serpentuating conveyor belt system dynamics in starting, braking and special loads and the ordinary belt conveyor have the same regular features is obtained.
引文
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[4]赵宏.机械产品概念设计过程建模与方案求解问题研究[D].大连:大连理工大学,2008.
[5]张德珍.串联机械系统运动方案设计的状态空间理论与方法的研究[D].大连:大连理工大学,2003.
[6]侯友夫,刘肖健,张永忠.矿用钢绳芯带式输送机动态特性仿真研究[J].煤炭科学技术,2000(1):32-36.
[7]谢友柏.现代设计理论和方法的研究[J].机械工程学报,2004,40(4):l-9.
[8]李辉,赵娟.带式输送机断带过程计算机仿真[J].煤矿机电,2007(6):37-38,41.
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