High precision measurement is the prerequisite for the realization of high precision control. Based on the analysis of existing control system of NC machine tools, in order to improve the measurement precision and reduce the system cost, the traditional grating was combined with CCD to accomplish the closedloop control of CNC. The principle and method of displacement measurement system were introduced. It provides a new idea for the closedloop control of CNC machine tools.
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魏宏波,王玮. CCD在数控机床闭环控制系统中的应用[J].机床与液压,2016,44(8):145-147. . Application of CCD in Closeloop Control System of NC Machine Tools[J]. Machine Tool & Hydraulics,2016,44(8):145-147