零相位误差跟踪控制器作为前馈跟踪控制器，提高了快速性，使系统实现准确跟踪。

Zero phase error tracking controller was served as the feed-forward controller to improve the fast tracking performance of the system, thus exactly tracking of the system was implemented.

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提出了零相位跟踪控制算法，使控制系统对给定非国特殊曲线具有很高的跟踪精度，从而保证了非圆轴类表面磨削加工精度。

An adaptive zero-phase tracking control algorithm is developed, and with which the servo system is able to track accurately a given non-circular high order special curves.

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零相位误差跟踪控制器作为前馈跟踪控制器，提高了快速性，使系统实现准确跟踪；

The zero phase error tracking controller is designed to ensure that the system has fast tracking performance and implements exactly tracking;

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