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在定位控制系统中,定位精度一般取决于检测精度、但是在由微机构成的定位控制系统中,在原检测精度的前提下,结合微机软件设计的特点,采用微动逼近技术,进一步提高定位精度是完全可行的。我们在精缩机的微机控制系统的设计中,运用上述方法和技术,在检测光栅脉冲当量为10μm的前提下,使定位精度达到0.5μm以内。
In the positioning control system, the positioning accuracy generally depends on the detection accuracy. However, in the positioning control system composed of the microcomputer, under the premise of the original detection accuracy, combined with the characteristics of the computer software design, using micro-motion approximation technology to further improve the positioning accuracy Completely feasible. We use the above methods and techniques in the design of the microcomputer control system for the sizing machine, so that the positioning accuracy can be within 0.5μm under the premise of detecting the grating pulse equivalent of 10μm.