仿真结果表明：新型观测器克服了传统方法存在的区域不稳定的缺点，能够在全速范围内准确辨识转速。
Simulation results show that new observer overcomes the disadvantage of the existence of the unstable regions and can identify speed accurately in full speed region.
而且，用立车加工叶片，消除了落地卧式车床的转速低、回转不稳定等缺点。
Besides, using the vertical lathe to turn vanes can eliminate the defects that a floor-type horizontal machine is low in rotary speed, unstable in slewing and the like.
而且，用立车加工叶片，消除了落地卧式车床的转速低、回转不稳定等缺点。
Besides, using the vertical lathe to turn vanes can eliminate the defects that a floor-type horizontal machine is low in rotary speed, unstable in slewing and the like.
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