The processing speed of cpu has become higher and higher , and the capability of the extern memory has been increasingly greater . as a result , the higher performance of computer bus has been demanded Pci ( peripheralcomponentinterconnect )局部总线是微型计算机中处理器/存储器与外围控制部件、扩展卡之间的互连接口。
Abstract : the reliability and emc of the computer control parts in the industrial applications is analyzed and the key points for selecting parts is introduced 摘要：以研华工控系列产品为例，对工业控制应用系统中计算机控制部件的可靠性指标、电磁兼容性认证等问题进行了分析，并提出了计算机控制部件的选型中应注意的几个问题。
Sercos interface , a serial real - time communications system , is an connection of nc controller , drives , motion unit and i / o unit of nc control system , which are connected by a fiber optical ring Sercos接口是数字控制系统中连接数字控制器、驱动器、执行机构以及输入输出部件，在彼此间进行实时通讯的国际标准。 sercos接口采用光缆将控制部件连接在一起，构成一个封闭的环路。
This paper mainly presents the control research and application on the micromanipulation as follows : research the components and the control parts of the micromanipulation system , understand the principle of their control and gain the characteristics of their models 主要从下面几个方面进行课题研究。对微操作系统的各部分组成和控制部件进行研究，研究其控制原理和特征参数，建立控制数学模型。
The control unit chassis must be subject to a further inspection for the correct types , good mechanical fastening and reliable electrical connections of all its components , such as pcb ' s switches and keys , transformers and so forth ( refer to the control unit assembly and the wiring diagram ) 控制部件底盘必须进行进一步的检查，包括所有元件的正确型号、完好的机械固定、导线连接，例如印刷电路板的开关、调节器、变压器、等等。
With the development of real - time computing , an increasing number of safety - critical applications use real - time operating system ( rtos ) as the kernel of control systems , and rtos becomes an important factor that affects the reliability of those applications 随着实时计算技术的飞速发展,实时系统已成为安全关键应用的核心控制部件和影响性能的决定性因素。随着软件功能和性能的大幅度提高,实时软件的可靠性成为限制系统可靠性的瓶颈。
Hardware design uses high - speed digital signal processor tms320lf2407a as the key control part . software design adopts hexagon stator flux scheme and round stator flux scheme respectively . after the system is set up , the direct torque control method is realized for a 0 . 12kw winding asynchronous motor 最后根据以上的讨论和实际应用中的情况，分别采用六边形磁链方案和圆形磁链方案，以高速数字信号处理器ths320lf2407a作为核心控制部件，在一台0 . 12kw的绕线式异步电机上实现了异步电机直接转矩控制。
The equipment for cure in the family are coarse , the degree of automation is low and ca n ' t ensure security . therefore , we need develop a kind of ultrasonic treatment equipment which of making a kind of overseas equipment use for reference . the equipment use mcu at89c51 as core , control treatment mode and dosage accurately for the purpose of miniaturization and intelligent 为此，该课题借鉴美国一种便携式智能型超声治疗设备，研制了一种单片机控制系统，它以at89c51单片机为核心控制部件，对超声波治疗仪的输出量、治疗方式及时间进行精确可靠的控制，使之智能化、小型化，从而在临床治疗中更加安全、有效、方便。
Tianjin endurance vehicle electric & electronic parts co . , ltd is a professional company which has been producing high - energyignition coils and electronic regulators , electronic ignition mounted controllers , electronic control flashers , distributors , rubber parts , solenoid switche for starters , high - voltage cables for many years 天津耐力汽车电子电器有限公司是专业生产各型汽车电子电器产品、电压调节器、内装电子点火器、电子闪光器、分电器、橡胶件、启动机电磁开关以及点火高压线等汽车电器与电子控制部件的公司。
Aiming at the problems of the k190jik rail welding machine , that the parameter modification is difficult , the welding process is not enough stability and the welding machine has no on - line diagnosis function , in this paper , the control system of the welding machine was promoted completely adopting the fx2n - 64mr programmable logic controller and the pcl - 1800 data acquisition card , the das ( data acquisition system ) was set up by using labview and visual basic software , the functions of welding voltage stabilizing and adjusting , current controlling and intellectual modification was improved , welding quality diagnosis system was built up , and the assembling and debugging of the control system was completed , including the process experiments 本文针对k190jik钢轨焊机控制系统存在参数修改困难、焊接过程不够稳定、无焊接质量在线诊断功能等问题，采用日本三菱公司fx2n - 64mr可编程序控制器、研华工控pcl ? 1800数据采集卡等为核心控制部件，对焊机的整机控制系统进行了全面升级。运用软件labview和vb开发了数据采集系统，完善了焊接稳压、调压、电流恒值控制与智能调节功能，利用vb建立了焊接质量在线诊断系统，并完成了系统组装调试与工艺试验研究工作。
