基于PCI总线伺服导纱系统的研制

Development of a servo feeder based on PCI bus

针对目前捻线机导纱系统存在的缺点,采用PCI-1240运动控制卡和交流伺服电机开发了一种基于PCI总线的伺服导纱系统。通过对导纱系统的运动分析,建立合适的数学模型,用Visual Basic高级程序语言编辑人机交互界面,调用PCI控制卡中的运动函数库,控制伺服电机的转向和转速,实现了往复导纱运动、防叠、防凸边、防硬边。结果表明,所设计的导纱系统能实现导纱工艺目标,可用在二倍捻、三倍捻、四倍捻等新型捻线机上。

For overcoming the shortcomings of the feeder of the twisting machine,a new type servo feeder based on PCI local bus is developed,in which AC servo motor and PCI-1240 motion controller are adopted.A suitable model is established through the motion analysis of the feeder,the Visual Basic program language and PCI-1240 motion DLL are used to realize modularized design in the software system.The parameters are calculated and converted into control signals by the main program,which drive AC serve motors and executes mechanisms to realize to-and-fro feeder motion,avoiding overlap,convex edge,hard-edge and so on.The experimental results show that the design of the servo feeder can achieve the process goal of yarn guiding,and it is suitable for the latest double,triple and quadruple twisting machines.