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1)  Grating ruler subdivides
光栅尺细分
2)  grating subdivision
光栅细分
3)  Grating subdivision-card
光栅细分卡
4)  raster ruler
光栅尺
1.
It fully utilizes the wealthy peripheral and high-speed calculation funct i on of DSP, and uses the double CPU constituted PC and DSP, by utilizing PWM cont rol strategies, using a raster ruler as sensor of speed and position, and implem ents the task of position and speed control.
充分利用TMS320LF2407控制器外设接口丰富及运算速度快的特点,以PC机作为上位机、DSP作为下位机,以光栅尺作为位置和速度传感器,通过PWM控制策略实现对直流直线电机的位置和速度控制。
2.
The focusing mechanism is composed of liner motor,liner orbit and raster ruler;Designed some tests in allusion to fulfill the need of this mechanism,and carried through tests to verify the precision,shake and high and low temperature;then.
调焦机构由直线电机、直线导轨、光栅尺等组成,针对航空光学系统对调焦机构的要求,对该调焦机构的试验过程进行了设计,针对控制精度、晃动和高低温进行了试验,并分析了影响调焦机构精度的主要因素。
3.
The controller accepts the PC\'s order and triggers the pulse signal which can drive the step motor to move;at the same time,the raster ruler collects the actual displacement signal to feed back and compare with the theoretic value aiming at closeing with the desirable position uttermostly.
系统控制器接受上位机指令触发脉冲信号以驱动步进电机转动;同时,光栅尺采集实际位移信号进行反馈,与理论值进行比较校正,使数控平台最大限度接近理论位置。
5)  grating [英]['ɡreɪtɪŋ]  [美]['gretɪŋ]
光栅尺
1.
Design of displacement measurement for grating virtual oscilloscope based on labVIEW and dynamic link library;
基于LabVIEW与动态链接库的光栅尺位移虚拟示波器的设计
2.
This paper focuses on the way grating is counted by GAL and microcontroller.
提出了采用多零位信号自动消除大量程光栅尺计数累积误差的方法 ,并通过在光栅尺的非零位处对计数值和清零次数的修改 ,解决了引入零位信号后光栅尺的绝对位移难以求取的问题 ,通过采用逐步检测的方法判断计数值是否被误清零而出错 ,并根据出错前的计数值让光栅尺通过最近的零位 ,自动修正光栅尺的计数
3.
At the same time the grating’s high precision is also more important to the CMM .
本文研制了基于USB接口的光栅尺接口卡,采用CPLD对光栅尺输出信号进行处理,并通过USB接口实现光栅尺接口卡与计算机之间的通讯。
6)  Grating scale
光栅尺
1.
Using grating scale as sensor,which is fixed on NC machine tool,the equipment is easy to be used to measure the axial position error in x and y and z directions of NC machine tool,respectively.
该装置以光栅尺为测量传感器,光栅尺依靠附件固定在数控机床上,操作简易,并且能够分别测量数控机床x,y,z方向的轴向位置误差。
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