Research of Remote Monitoring of Auto Running Status and Fault Prediction Expert System Based on GPRS Technology 基于GPRS技术的汽车运行状态远程监测及故障预测专家系统研究
In the process of the motor running, the broken-bar fault of rotor will reduce motor-output and worsen its performance. 在电动机运行过程中,转子断条故障将导致电动机出力降低,性能恶化。
This paper details common faults during first running, discusses fault causes and puts forward solutions. 详细论述了电动机初次运行时常见的故障现象,并对故障原因进行分析,提出解决办法。
The traditional current protection is easily effected by the running conditions and fault pattern across to its principle, while the auto-adaptive current protection can overcome these defects. 由传统电流保护的整定原则可知,传统电流保护易受系统运行方式和故障类型的影响,而自适应电流保护能够克服传统电流保护的缺陷。
Final, that fusing method of running reliability analysis and fault diagnose is used to study the reliability of3NB-1300 drilling pump, the quite good predicted result is achieved. 并应用这一方法研究了3NB-1300钻井泵的运行可靠性,得到了较好的预测结果。
Through PLC and interface's design, it can effectually improve the automatization level of the solid state high frequency welding in control function, running surveillance, fault diagnosis and synthetic catenation protection. 通过PLC和人机界面的设计,有效地提高了固态高频焊机在控制功能、运行监视、故障诊断及综合连锁保护等方面的自动化水平。
Research on Condition Running Inspection and Fault Diagnosis System for Power Set 发电机组状态巡检与故障诊断系统的研究与实现
Running fault diagnosis of boiler systems based on deep and shallow knowledge 利用深浅两层知识诊断锅炉运行故障
The basic function and the running status of the fault information management system which is based on network environment in Zhaoqing power network are introduced. A design to extend the fault information management system to relay protection information management system is also illustrated. 介绍了肇庆电网基于网络环境的故障信息管理系统的基本功能及其投运以来的运行状况,并对该系统扩展为继电保护信息管理系统的设想进行了阐述。
Running Optimization and Fault Diagnosis System for Turbine Cold Junction System 汽轮机冷端系统运行优化及故障诊断系统
Turbogenerators is an important equipment for electric power producing, because of structural complexity in its equipment and special circumstance in its running, cause the fault rate high, the harm is big. 汽轮发电机组是电力生产的重要设备,由于其设备结构的复杂性和运行环境的特殊性,导致故障率高、危害性大。
Research on fault diagnosis and running with fault method in dynamic system based on PLC 基于PLC的动态系统故障诊断与带故障运行方法
When FAS is running, fault can influence the performance of the system. 在FAS系统运行中,故障的出现是影响系统性能的一大杀手。
With higher running speed of vehicles and the increase of customers 'safety consciousness, it has great significances to set up train running safety monitoring and fault diagnosing system. 近年来,随着旅客列车运行速度的提高和人们安全意识的增加,建立客车行车安全监测与故障诊断系统具有十分重要的意义。
This paper introduces the working principle of contactor characteristic parameters tester with computer, the software hardware and adjustment, running and fault exclution in detail. 本文详细介绍了微机型接触器特征参数测试仪工作原理,软硬件及调试、运行和故障处理。
So the recorder is very important for the maintenance of the train running state and its fault orientation. 测试表明,记录器获取的列车运行数据不仅全面而且容易解析,因此记录器在列车运行维护、故障寻因方面起到十分重要的作用。
With the successive development of modern industry, the running status monitoring and fault diagnosis technology of diesel engine is gaining increasing attention, and it has gained large development. 随着现代化工业大生产的不断发展,柴油机的状态监控与故障诊断技术得到了广泛的关注,同时取得了长足的发展。
This intelligent detection system for excitation regulator of diesel locomotive substitutes the hardware panel with software, guides users automatically to detect, and distinguishes the running or fault states of excitation regulator with an inside Expert System ( ES). 电传动内燃机车励磁调节器智能检测系统用软件面板替代硬件面板,可自动引导用户进行检测,并通过内嵌的专家系统对励调器运行工况和故障状态进行判别。
Grey box identification applied in condition monitoring and fault diagnosis for passenger cars is studied. Based on grey box identification method and passenger cars running condition monitoring and fault diagnosis system, the scheme of condition monitoring and fault diagnosis for bogie is put forward. 对灰箱模型辨识在客车行车安全监测和故障诊断中的应用进行了研究,基于灰箱辨识和客车行车安全监测诊断系统提出了转向架的状态监测和故障诊断方案。
To diagnose faults of stepping motors in running, a fault reasoning machine using fuzzy neural network ( FNN) and its singlechip implementation have been designed. To train this fault reasoning machine, random searching algorithm is put forward. 针对步进电动机运行中的某些主要故障,设计了FNN模糊神经网络故障推理机及其单片机实现,提出随机寻优训练算法,并以此对该FNN进行了训练。
Voltage drop as a doubly-fed machine running in a common fault, the voltage drop state of the doubly-fed machine parameter identification has some practical significance, using the recursive least squares method to the doubly-fed wind generator parameter identification. 电压跌落作为双馈电机运行中一种常见的故障,利用其电压跌落状态对双馈电机进行参数辨识具有一定的现实意义,本文利用递推最小二乘法对双馈风力发电机进行了参数辨识。
Based on the correlation dimension calculation, we put forward the concept of distance function, to facilitate the application of correlation dimension to the system running and fault judgment. 针对关联维数的计算,提出了状态距离函数的概念,以便于应用关联维数对系统运行状态和故障形式进行判断,找出故障原因。
To ensure the safe and stable operation of traction power supply system, then enhancing the reliability and continuity of power supply, a good running traction power supply fault detection and analysis system is needed to rapidly and correctly identify the fault of traction power supply system. 为确保牵引供电系统安全稳定运行,增强供电的可靠性和连续性,就需要一个优质的牵引供电运行状态检测与故障分析系统,对牵引供电系统的故障类型进行快速、正确的识别。
The transmission line faults directly affect the reliability of the running system. Fault exclusion is conducive to reduce the loss caused by the blackout, with great social and economic benefits. 系统运行的可靠性直接受到输电线故障的影响,对故障及时进行排除有利于减小停电损失,既有很大的经济效益,也有很大的社会效益。
To identify heating-radiator faults better, the fault modes of heating-radiator are approximately divided into three types-quality fault, corrosion fault, and running fault. 根据散热器故障特性将供暖散热器故障分为质量故障、腐蚀故障和运行故障三种故障模式。
Monitoring and analysis of the motor running status could detect fault in early phase and prevent the deterioration. Motor faults diagnosis is of great significance. 在电机运行时对其运行状态进行监测和分析可及早发现故障,防止故障的进一步恶化,具有十分重要的意义。
The plan through different position of fault direction components, can compare movement state conveniently, determine the position of the breakdown of the fault accurately, in order to realize the rapid resection, ensure the normal running of the fault part. 这一方案通过对不同位置故障方向元件动作状态的比较,能够方便、准确地确定出故障点的位置,以实现对故障部分的快速切除,确保非故障部分的正常运行。
Gear has a great impact on printing for it is an important drive component of modern offset press and it is also prone to failure, therefore, it is quite necessary to monitor the running condition and diagnose fault of driving gear. 齿轮是现代胶印机的重要传动部件,其运行状态对整机的印刷效果有很大的影响,也是易于发生故障的部件之一,因此对胶印机传动齿轮的状态监测和故障诊断研究是十分必要的。
Touch panel is used as human-machine interface, and it uses screens to display the running statuses and fault information of the machine. 控制系统用触摸屏作人机界面,触摸屏用各种画面来显示龙门刨床的运行状态和故障信息。