speed control device

Discussion on Frequency Control of Motor Speed Device in Practical Use

变频调速器在实际应用中的探讨

The compound control mode of speed control and tension control was used and the zero shift of the tension measuring device was compensated and spot-calibrated by software and hardware.

在控制方案上采用速度控制和张力控制的复合控制方式，同时通过软硬件对张力测定仪的零点漂移进行补偿和现场校正。

One sort of current-controlled convener is designed by using power electronic device IGBT according to AC step motion control theory, which combines speed control with position control to synchronous motor.

依据交流步进控制原理，采用新一代电力电子器件IGBT，设计了一种电流控制型的变频器，把同步电动机的速度控制和位置控制结合在一起。

Intelligent Fan Control Device Based on High-speed 16-bit CPU Chip Switchgear

基于高速16位CPU芯片的开关柜风扇智能化控制装置

Hardware and Software Design on Automate Control for The Rotational Speed of Metering-Device's Axle

排种器转速自动检测的硬件及软件设计

The paper also suggests to use programmable logic device ( PLD) as logic control chip to control SDRAM, and so makes it possible to use SDRAM in projects, thus offers a new way to electronic design in which high speed and huge storage memory is needed.

提出了用可编程逻辑器件作为逻辑控制芯片对内存条进行控制，从而使在工程项目中使用计算机内存条成为可能，为需要大容量高速存储器的电子设计提供了一种新的思路。

And this point just fits application background of the system platform; ( 4) Digital control circuits is designed based on high-speed controller FPGA, and the device could make rapid response to the movement of target, and adjust error as quick as possible.

而该点恰恰符合该稳定平台系统的实际应用背景；4、凭借FPGA高速优点，设计了以FPGA为主控制器的数字控制电路，可对目标的运动迅速做出响应，用尽可能短的时间来调整误差。

The article expound a kind of position control system that is made up of high speed pulses counter, PLC and light cell code device.

文章介绍的是采用由高速脉冲计数器、PLC和光电增量编码器构成的位置环控制系统。

The paper presents a high accuracy digit velocity device and speed feedback control loop.

介绍一种高精度数字测速装置及转速反馈控制环.