采用高精度三相电机，不但精度高、速度快、性能稳定，而且绘图效果一流；
The high-precision three-phase motor of HB Cutter, is not only high-precision , high-speed, stable-performance, but also capable of producing top-quality drawings.
调平机构部分，用三相混合式步进电机替代原有的交流电机，位置反馈部分，用编码器替代高精度电位器，这样构成了一个半闭环系统。
About the mechanism of adjusting crossbeam balance, the three-phase blend stepping motor take the place of the A. C. motors, the coder as a feedback device, then make up of a closed-loop system.
本论文所论述的系统采用MSP430F149单片机通过不对称规则采样法来输出高精度的三相spwm波形，从而实现了逆变器的SPWM控制。
The system adopts MSP430F149 MCU and asymmetry regular-sampling strategy to output high precision SPWM wave, consequently transducer's SPWM control is realized.
YZC系列低振动低噪声三相异步电动机振动小、噪声低，适用于各种高精度的精密机床，以及需要低噪声、低振动的各种机械设备。
YZC motors are widely used for driving highly accurate machine tools and such as instruments which low noise and little vibration in needed.
介绍了一种运用计算机对三相感应电动机等效电路参数进行高精度计算的方法。
A high precision computing method of equivalent circuit parameter of 3-phase induction motor is discussed in this paper.
文中提出一种新型的、高精度的故障分量——综合负序矢量的概念 ，并给出综合三相负序分量的实时算法。
The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.
文中提出一种新型的、高精度的故障分量——综合负序矢量的概念 ，并给出综合三相负序分量的实时算法。
The concept of a new- style and high- precision fault component, synthetic negative sequence vector SNSV is proposed in the paper.
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