One is the composing, function and principle of rotate speed and phase servo system of magnetic drum;
另一方面是主导轴的转速和相位伺服部分的组成、作用和工作原理。
Variable displacement servo pump in the small variable phase, likely to cause the low efficiency of the system, heat large shortcoming.
伺服变量泵在小排量变量阶段，容易造成系统效率低、发热量大等缺点。
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.
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.
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。
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