fault-tolerant database

The system consists of real-time database, PCA-SDG modeling environment, PCA-ES expert knowledge management, mixed fault diagnosis module and so on.

本系统主要分为实时数据库、PCA-SDG建模环境模块、PCA-ES专家知识管理模块和混合故障诊断模块等几个部分。

The high available technology provided by Oracle is capable of solving database unscheduled shut-down resulted from system failure, storage fault, human error and data corruption.

Oracle提供的高可用技术，能够解决系统故障、存储故障、人为错误、数据损坏而引起的数据库计划外停机。

First, a set of HMMs are trained with historical process data to construct a database. Each HMM corresponds to a fault.

首先，使用过程历史数据训练得到各种过程故障工况对应的HMM；

To construct a perfect condition monitoring database and get together long period condition base data and record device condition analysis, evaluation and fault diagnosis archives, are the key technologies in the implement of Condition Maintenance in power enterprises.

建立完善的设备状态数据库，积累长期设备状态基础数据，记录设备状态分析、评估及故障诊断档案是发电企业实施状态维修过程中的一项关键技术。

A Fault-Tolerant Model in Web Database System Based on Petri Nets

基于Petri网的Web数据库系统容错模型

Technical study on the database of multiparameter state monitor and fault diagnosis system

多参量状态监测与故障诊断系统数据库技术研究