The software's functions of RS232 serial communication between data acquisition equipment and computer, management of data-base and drawing of fault wave are validated by experiments.
最后通过实验证实了上位机软件具有RS232串行通信、数据库管理和故障波形绘制的功能。
As the fault data-base of the diagnosis system is improved, the model will play an important role in accurately and rapidly diagnosing the fault position of test system for solid rocket motor.
通过对诊断系统的故障数据库的不断完善，该模型将在固体发动机地面试验测试系统中准确、快速地确定故障部位发挥重要作用。
Power distribution fault management information system consists of customer call on management, telephone recorder, data base management and net communication.
配电故障管理信息系统是一个集客户来电管理、电话录音、数据库管理和网络通信的分布式管理系统。
The system has the function of signal acquisition and processing, FDD, self- culture, fault data-base self-updating.
本系统具有数据采集和处理、故障诊断、自学习、自动更新故障数据库等功能。
The reliability of data base system is its important function guideline. Data base fault tolerance and breakdown recover are the necessary function in large data base.
数据库系统的可靠性是数据库系统的重要性能指标，数据库容错和故障恢复是大型数据库必备的功能。
The knowledge base is designed as a multidimensional tree. The diagnosis data are collected through testing and reasoning the objects. Fault positioning is realized by using characteristic vectors.
知识库设计为多元故障树，诊断数据来源于对被诊断对象的测试与知识推理，依据特征向量实现故障定位。
From the decision table defined by history fault data, we reduce the decision table in rough set theory and build the knowledge base model of expert system.
该系统从历史故障数据所形成的决策表出发，运用粗糙集理论进行约简，构建专家系统知识库模型。
From the decision table defined by history fault data, we reduce the decision table in rough set theory and build the knowledge base model of expert system.
该系统从历史故障数据所形成的决策表出发，运用粗糙集理论进行约简，构建专家系统知识库模型。
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