步进式

And cao drive DC motor and three phase high voltage induction step motor with the different configuration of FPGA.

通过对FPGA的不同配置还可以驱动直流电机和三相感应式高压步进电机。

This paper introduces briefly the current situation of automatic performance test rig for internal-combustion engine oil pump.

简要介绍内燃机机油泵性能测试装置的现状，主要叙述步进调压式试验系统的原理和结构，以及研制开发的意义。

The operation of a five-phase hybrid step motor with five-phase bridge invertor and the motor parameters and their measuring way are studied in detail, so that the basis and tre ane provided for the design of drivers.

本文详细研究了五相混合式步进电动机在五相桥式功放逆变器供电条件下的运行问题，研究了这种电动机的参数及测试方法，为驱动器的设计提供了依据和基础。

This process is the preparation of the C language from the stepper motor-driven pointer thermometer responsive, precise instructions.

本程序是C语言编写的，由步进电机驱动的指针式温度表，反应灵敏，指示精确。

New tendency of the walking\|beam reheating furnace in low\|temperature rolling, such as the furnace profile, skid pipe, post and pad, combustion control system and optimum control system were briefly introduced in this paper.

简要介绍在低温轧制中，步进梁式加热炉在炉型、水梁、立柱、垫块与燃烧控制系统及优化控制系统等方面新的发展趋势。

This design is designed to react against three-phase stepping motor design.

本设计的设计是针对三相反应式步进电机的设计。

This concept car runs on batteries and an electric motor with the additional advantage of binding energy through strenuous workouts with the array of onboard exercise equipment like a stepping machine, pull-up simulator, rowing machine, bench press and arm weights.

这概念车运行的电池和一个电动马达与额外的优势，具有约束力的能源，通过艰苦的锻炼与阵列机载运动器材一样，步进机，拉式模拟器，划艇机，台记者和手臂的重量。

ABSTRACT The researches on the dynamic mathematical' model and self synchronization closed loop operation of a PM hybrid step motor system are presented.

本文以永磁感应子式步进电动机系统为对象，对其动态数学模型和自同步运行方式进行了深入的研究和探讨。

The results of the research show that self synchronization closed loop control system through detecting the position of zero value of rotating EMF is new and feasible. In principle it solves the problem how to obtain the accurate rotor position of a step, motor from motor parameters. In design it makes the system simple and practical.

研究结果表明，本文研究的永磁感应子式步进电动机自同步闭环系统在原理上，通过旋转电势过零检测解决了能否利用电机参数获得准确的位置控制与自同步运行问题；在方法上采用数字信号逻辑辩识增强了系统的稳定性，解决了系统实现能否简单实用的问题。

Two methods for calculating the post of water beam in walking beam furnace are introduced,and the data from the two methods are compared.

文章介绍了步进梁式加热炉水梁支承立柱的两种计算方法，并对两种方法的计算结果进行了比较，对正确选择立柱断面具有指导意义。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。