PCL839控制卡在工作台速度控制中的应用.doc
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- PCL839 控制 工作台 速度 中的 应用
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1、摘 要本课题是在Windows环境下采用Visual Basic开发精密工作台的控制软件。软件界面简洁、美观,使用方便。本软件具备高速运动控制的基本功能。通过它不仅可以实现精密工作台的开环和梯形速度曲线控制,还能使工作台的最高运动速度达到工作台机电系统的最大运动速度。为了使精密工作台运行平稳、定位精度高,系统硬件的控制部分主要是采用研华IPC工控机和PCL839步进电机控制卡。PCL839的利用提高了整个运动控制系统的整体性能,使之成为控制系统的关键控制部件。系统的软件部分采用Visual Basic 6.0进行编译。首先,设计了面向用户的友好化界面;其次,对精密工作台的开环控制进行编程,使之
2、实现梯形速度运动变化曲线;第三,Visual Basic 通过839p.bas调用Ads839p.dll的内部函数,对PCL839的寄存器进行读写操作,实现I/O端口的输入和输出。最后通过VB皮肤包对用户界面美化,生成最终的EXE可执行文件。经过本课题的研究与设计,基本上解决了计算机和精密工作台之间的衔接问题。使用户能简单快捷的对工作台的运动速度进行控制。用户通过本软件,不仅可以实现精密工作台的开环和梯形速度曲线控制,还能使工作台的最高运动速度达到工作台机电系统的最大运动速度。本课题可用于教学实验,它能够使人直观地了解精密工作台的组成和梯形速度曲线的原理。所以开发设计和研究精密工作台有广泛的实
3、际意义和应用前景。关键字:精密工作台;PCL839;55BF003步进电机;滚珠丝杠;BQD-443驱动器AbstractThis paper introduced a control software developed using Visual Basic in the Windows environment, which controls a precise machine table. The interface is simple, elegant, and easily to use. The software is biased with the high-speed motio
4、n control functions. It not only can get a speed curve of the machine table open-loop control, but also but also enable the table to reach the maximum velocity of the largest electro-mechanical systems.In order to get a smooth and high accuracy positioning operation. The system hardware use Advantec
5、h IPC and PCL839. The using of PCL839 improves the whole system activity. Which makes itself been a key part of the controlling system.The software of the system was edited by Visual Basic. First of all, design a user-friendly interface; secondly, edit an open-loop control system to make the table a
6、 trapezoidal speed curve movement; thirdly, operate PCL839 register reading and writing make the I/O could input and output data though the function of Ads839p.dll using 839p.bas which in Visual Basic language. Finally, beauty user interface using VB skin package and generate the final EXE file. Use
7、r through this software,It not only can get a speed curve of the machine table open-loop control, but also but also enable the table to reach the maximum velocity of the largest electro-mechanical systems. After the research and design the communication problem between computer and precise machine t
8、able has been solved in some degree. The user could control the speed of precise machine table quickly and easily. Users through this software,It not only can get a speed curve of the machine table open-loop control, but also but also enable the table to reach the maximum velocity of the largest ele
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