The study of ECU is emphasis to understand its basic structure to analyze sensor input signal treatment circuit and execution unit drive circuit to analyze microprocessor . So basic design tactics of hardware system is get .

重点是电控单元的分析，了解电控单元的基本结构，对传感器输入调理电路和执行 器 驱动电路进行分析，对微控制器的型号进行分析，从而获得电控 单元硬件的基本设计技巧。

Improvement of Condensate Pump of 300 MW Unit with Variable Frequency Drive Technology

300MW 机组凝结水泵的 变频改造

It mainly includes excitation voltage generating unit the voltage and current detection unit displacement detection unit communication unit the motor drive unit the alarm output and the microcontroller system peripheral circuit and so on .

其中主要包括激励电压产生单元、电压电流检测单元、位移检测单元、电机 驱动单元、通讯 单元、报警输出和单片机系统外围电路等。

Choose reliable applicable grating measurement unit and stepper motor drive unit . 3 .

选择可靠适用的光栅测量 单元和步进电机 驱动单元。

According to the characteristic of SMDS a special automatic extrusion device for sacrificial support material was designed . The device includes three parts & the screw extrusion unit the temperature control unit and the stepping motor drive unit .

本文根据该工艺的特点，设计开发了适用于分段堆积/雕铣成形支撑材料的自动挤出装置，包括螺杆挤出单元的结构设计、温度控制 单元设计和步进电机 驱动单元设计三个部分。

Discussion for the diagnosis method of the rod and tube Partial-wear of the well pump unit in the water - drive

水 驱 抽油机井杆管偏磨诊断方法的探讨

In the hardware design including the main control unit design drive circuit main circuit and filter circuit hardware .

硬件设计包括主电路设计，主控 芯片 外围设计， 驱动电路设计，滤波电路设计等。

Study on selection of power unit and mode of drive of plateau railway motor car

高原型轨道车动力 装置及 传动方式的选型研究

Finally this paper establishes the drive model and the thrust distribution unit : the drive model consists of motor thrust control system ;

最后，建立了推力器的驱动模型和对 推力分配 单元进行了分析研究。

Powered by transverse-mounted four-cylinder petrol or diesel engines the Freelander uses an Intermediate Reduction Drive unit to take the drive to the back axle via a viscous coupling .

横向爬坡四缸汽油或柴油发动机驱动，神行者采用“中级减量驾驶 系统”，使得车子通过黏性连接器让 动力放在后轴上。

At present the main oil production facilities is a beam pumping unit the drive motor load rate of which is usually less than 28 % resulting in the great power loss .

目前国内主要的石油开采设备是游梁式 抽油机，其 驱动电机负载率通常都小于28%，电能损耗极其严重。

By reforming the heat treatment take up unit the fee of drive motor 's maintenance is decreased win the aim of energy saving .

通过钢丝热处理收线 机组的改造，减少了 拖动电机的维护费用，显著降低了能耗，达到了节能的目的。

Along with the gradual improvement of the servo control technology the servo drive unit is gradually becoming the main drive unit servo drive unit price also gradually to reduce .

随着伺服控制技术的逐步提高，目前伺服驱动单元正逐步成为驱动 单元的主力军，伺服 驱动单元的价格也在逐步减低。

The LFD 8-by-96 Matrix is used folr building up the video module of computer instruments Address to LED matrix unit assumes horizontal drive in regular sequence and vertical gating .

LED8×96矩阵适用于构成微型计算机仪表的显示模件，LED矩阵 单元寻址采取水平方向顺序 激励和垂直方向选通。

Finally we use the experiment equipment to test analysis and verification the software and hardware design scheme . And we got the conclusion : in the situation of the unit drive fault appearing the system can enter the bypass operation state .

最后，利用实验工装对之前提出的软件及硬件设计方案进行测试、分析及验证，得出了在 单元 驱动故障情况下，系统可以进入旁路运行状态的结论。

Select of Control Mode of Speed Regulate Unit of the Two Motors Drive System

双电动机 拖动系统调速 装置控制方式的选择

The study of long stroke pumping unit with hydraulic - chain drive

长种程链 式液压 抽油 机的研究

Finally analyzed optical switch control system which can be divided into four parts : control unit drive unit actualization unit and feedback unit .

最后分析光开关控制系统，将其分为控制 单元、 驱动单元、执行单元和反馈单元四部分。

The network contain by the central signal processing unit drive motor control unit LCD unit battery management unit and vehicle comfortable system structure .

该网络由中央控制 单元、 驱动电机控制单元、液晶显示单元、电池管理单元和车内舒适系统构成，具有结构简单、成本低和稳定性高等特点。

Since the fix rate of the unit test failures that drive the pass / fail rate of the builds aren 't on the same daily cycle the number of daily failed builds inevitably accumulates .

由于 推动构建的通过/失败率的 单元测试确定率的失败不是处于同样的每日循环上，因而每日失败的构建数量不可避免地积累起来。

Square Wave Unit and EFT Drive Unit

方波信号发生器及场效应管 驱动器

The paper set up vibration model of 3310 reducer drive unit with center lateral drive in mill system and with matrix interative method gained its natural frequency and vibration type by using computer .

〕本文建立了磨机系统中中心 侧传动用3310减速机传动 装置的振动模型，并通过矩阵迭代法，利用计算机获得其固有频率和振型。

Hydrodynamic unit change pressure oil electric drive

液力 传动 装置充油压力

The IPM is applied for power unit to drive the motor .

功率 单元采用智能功率模块实现对电机的 驱动。

Make design of system motherboard main control unit and DC motor drive unit for the production and debug .

设计系统主板、主控 单元、直流电机 驱动单元并进行制作和调试。

The system of VPI equipment mainly includes vacuum chamber heating unit worktable with its drive unit vacuum pumping unit gas-charge unit and control unit etc.

该设备主要出密封罐、加热 系统、 升降工作台、真空系统、充气系统、控制系统及密封罐水冷系统等组成。

By combining the system developing levels with the application environment the redundancy level was positioned in the model-level redundancy A / D connected in series with the master as the redundant unit the bi-processor models drive on outer model .

结合系统开发层次与使用环境，将冗余级别定位于模块级冗余，提出了以A／D与主机串联形成的处理器模块为冗余 单位、双处理器模块共同 驱动一套外设的模型。