您要查找的是不是：
- At the same time the step motor＇s microstep control is introduced in detail. 试验结果表明，通过优化设计使得驱动器的动静态性能有了明显的改善。
- Secure of up-down prepping used stepping motor. 步进电机保证上下移动的精度。
- Design a sequence generator for the operation of a stepping motor. 设计一个控制步进电机工作的序列产生器。
- This machine is controlled by step motor driver, which brings a more accurate result. 本机采用步进马达控制,准确度高。
- The new type of the medicinal driller,based on microcontroller MCS 51 and step motor is presented. 介绍了基于51单片机和步进电机的可控脑手术钻的研制。
- High effective stepping motor driven, high accuracy, quick speed. 高效的步进驱动,高精度、速度快。
- The Research of Controlling Stepping Motor to Improve. 利用单片机控制步进电机提高精度的研究。
- The constitute of harmonic back EMF is analysed, the position detection circuit and the microcomputer control system of step motor is designed. 分析了谐波反电势信号的构成，设计了相应的位置信号检测电路及步进电动机的微机控制系统。
- It has five parts of 89C2051 computer, the step motor, driver, the moment of force motor and the supplies and receives the film system. 它由89C2051单片机、步进机、步进机驱动器、步进机输片机构和供输片系统五个部分组成.
- This paper mainly researches the exposal unit mechanics, analyzes the distance of scanning optical path and the driver mechanics of step motor. 作为数码复印机的原稿图像输入端,扫描成像单元及曝光单元在数码复印机中起着至关重要的作用。
- Abstract: Introduced a two+phase hybrid linear step motor(LPM)driver controled by C8051F005 SCM(single chips microcomputer). 摘要：介绍了一种基于C8051F005单片机控制的两相混合式直线步进电机(LPM)驱动器。
- The driving principles and methods of step motor are introduced in this article and the stepmotor driver circuit is increasingly designed. 阐述了步进电机驱动原理和方法,并设计出了一种步进电机的驱动电路。
- This paper introduces an auto-demarcation system of digital inclinometer which is mainly in virtue of a high precision step motor. 介绍一种利用高精度的步进电机对数字倾角仪进行标定的自标定系统。
- The paper introduces the improvement of punching machine of cage by using PC computer,step motor replacing the ratchet wheel for graduation function. 利用单片机改造保持架的冲孔机，驱动步进电机完成分度功能，替代分度棘轮。
- PCB flying probe checking up system based on step motor is introduced, this paper presents checking up principle and realization of hardware of it. 摘要通过步进电机对飞针的控制，实现了PCB飞针检测系统的定位，并对硬件的检测原理和具体的实现作了分析。
- Features: apply servo wire winding, step motor wire winding, automatic loading to tooling, automatic shearing and three phases finish in one time. 特点：采用伺服绕线，步进电机排线、自动推入工装、自动剪断，三相一次完成。
- On this base, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated, and the microcomputer control system of step motor is designed. 在此基础上研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法，设计了步进电动机的微机控制系统。
- The magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression ofthe harmonic back EMF is deduced. 利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。
- He stepped up so as to be able to speak. 为看得更清楚，他上到高处。
- My boss was too old to work well. He stepped down. 我的老板年龄太大，做不好工作了，他上星期离了职。
