基于MATLAB空间四连杆引纬机构运动仿真

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In order to analyze kinematics characteristics of space four bar linkage weft insertion mechanism,this paper built mathematical models of every parts of the mechanism with algebra analytical method to obtain motion curve through MATLAB programming,as well as studied of quantitative analysis the influence of movement law induced by the change of rotate speed and crank length.The results show that the motion characteristics curve can meet the weft inserting requirements,and it is feasible to optimize motion curve via adjusting the rotate speed and crank length.为了分析探讨剑杆织机空间四连杆引纬机构参数变化对其运动学特性的影响,通过代数解析的方法建立了该机构各部分数学模型,编制了MATLAB程序对其进行运动仿真,得出了运动特性曲线,同时定量分析了转速和曲柄长度变化对引纬机构运动规律的影响。分析结果表明,所得的运动特性曲线符合所需引纬要求,可以通过调节转速和曲柄长度优化运动规律曲线。