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步进电机驱动的开环定位系统,偏道现象严重。本文从分析记录格式与盘片转速误差入手,介绍扇段式伺服原理与方法。
Stepper motor-driven open-loop positioning system, partial road phenomenon is serious. This paper starts with the analysis of recording format and disk rotation speed error, and introduces the principle and method of sector servo.