科研之友
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摘要
The main purpose of this paper is to develop a new kind of PCI slave device serving as a motion controller for a biaxial motion control system. This kind of controller device is a new realization scheme of PCI devices, which is embedded with a deeply customized PCI interface block instead of traditional PCI interface chips, which will greatly promote the comprehensive performance of the device. Besides, we improved the popular and widely used DDA arc interpolation algorithm, promoting its performance in both accuracy and stability, and integrated it into our device, allowing the ability of the moving parts to move along nonlinear curve paths. Currently, this kind of controller device has been successfully applied on a surface mount machine which is also developed by our lab. As a result, the controller device performs well and is able to satisfy the requirement of accuracy and velocity of the surface mount machine. And its reliability and stability are also remarkable.
