A method for managing a time series database, includes: monitoring multiple operations that access the time series database, so as to identify types of the multiple operations, the types of the multiple operations comprising at least one of the query types or insert types; with respect to a storage mode among multiple storage modes, obtaining costs that the multiple operations access the time series database based on the types, respectively; selecting a storage mode with the minimum cost from the multiple storage modes; and during a predetermined time period, storing into the time series database data values that are collected from multiple measurement points according to the selected storage mode. In one embodiment, there is provided an apparatus for managing a time series database. By means of the method and apparatus of the present invention, the storage and query efficiency with respect to the time series database can be increased.

Method and apparatus for managing time series database

The invention provides a method and device for managing a time series database. Specifically, the method is used for establishing indexes for time series in the time series database. The method includes dividing the time series in the time series database into a plurality of subseries; establishing spatial indexes corresponding to the subseries, and allowing the spatial indexes to determine the spatial spaces of the subseries in the time series; establishing content indexes for the subseries, and allowing the content indexes to determine the content ranges of the subseries in the time series. The invention provides the querying method in the time series database. The method includes on the basis of the spatial indexes, searching the corresponding spatial positions of the queried series in the time series of the time series database; on the basis of the content indexes, acquiring the content ranges of the subseries in the researched spatial positions; responding to consistence of the acquired content ranges and the content ranges of the acquired series, and outputting the subseries of the researched spatial positions.

Method and device for managing time series database

The invention discloses an accident inversion system and an accident inversion method of an electric power dispatching automation system. The accident inversion system of the electric power dispatching automation system is characterized by comprising an accident inversion control unit, a historical alarm data acquisition module, a historical database, a historical change data acquisition module, a time series database, a graphical client and an alarm client, wherein the accident inversion control unit is connected with the historical alarm data acquisition module, the historical change data acquisition module, a graphical client display module and an alarm client display module; the historical alarm data acquisition module is connected with the historical database; and the historical change data acquisition module is connected with the time series database. The invention further discloses an accident inversion method of the electric power dispatching automation system. The accident inversion system and the accident inversion method of the electric power dispatching automation system enables the dispatching monitoring personnel to carry out inversion on power grid data at any time so as to analyze operating conditions of a power grid.

Accident inversion system and accident inversion method of electric power dispatching automation system

The invention provides a method for constructing a holographic image material library, belonging to the technical field of information processing. The method for constructing the holographic image material library at least comprises the following steps of: on the basis of a relationship database, establishing an inner mode for holographic image data and relevant characteristics; defining an outer mode of a data application based on a plurality of external applications; establishing a corresponding relationship and a conversion relationship of the inner mode and the outer mode; and defining an external use interface. The holographic image material library constructed through the method provided by the invention is high in structuralization and information integration and convenient to retrieve.

Method for constructing holographic image material library

The invention discloses a method for saving factory station wiring diagram panoramic inversion context. An accident panoramic inversion component is added on the service layer of an existing dispatching automation system as the core component of power grid accident inversion in the system for all operations of relational databases and real-time databases in the dispatching automation system in the inversion process and used for providing data access, information access, power grid graph acquisition and inversion control interfaces for external applications. The control side of the accident panoramic inversion component will not be used to delete previous historical state diagrams automatically when a user modify original factory station diagrams, a historical state management service will be provided for each original factory station diagram, the service will be used to present time nodes of historical factory station modification in the man-machine conversation manner, so the historical factory station diagrams will be backed up unconsciously, so that historical period corresponding factory station diagrams and corresponding measuring point information can be synchronously displayed in the inversion process. Thus, the purpose that not only the factory station diagrams before modification can be protected and but also the factory station diagrams after the historical inversion can be continued can be achieved.

Method for saving factory station wiring diagram panoramic inversion context

The invention discloses an enhanced message service (EMS) multi-professional-data holographic storage and panoramic accident inversion method, which comprises the following steps of: a) performing integrated version management on individual professional models, human-man graphical pictures and measurement point object data corresponding to the human-man graphical pictures of an industrial enterprise energy management and control system through a global version dictionary, and storing system historical models, graphs and data versions at all moments; and b) performing distributed storage on professional real-time data of the industrial enterprise energy management and control system as time sequence data formats into a high-speed database, wherein a triggering type or periodic sampling mode is used as a storage mode. The method is an effective holographic storage method for the multi-professional-data models, the pictures and the data of the industrial enterprise energy management and control system and an accident inversion method for a full panoramic process on the basis of the holographic storage method; and the problem that the conventional large-size industrial enterprise does not have an effective energy accident inversion analysis tool can be solved.

Enhanced message service (EMS) multi-professional-data holographic storage and panoramic accident inversion method

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Enhanced message service (EMS) multi-professional-data holographic storage and panoramic accident inversion method