A method and system for multi-computer parallel and synchronous output image

An image and synchronous bus technology, which is applied in the combination of various digital computers, digital output to display equipment, etc., to reduce the total amount of calculation and improve work efficiency
CN104238984BInactive Publication Date: 2017-12-19STATE GRID CORP OF CHINA +3
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
STATE GRID CORP OF CHINA
Publication Date
2017-12-19
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a method and a system for controlling multiple machines to synchronously output an image in parallel. The method comprises the following steps: according to screen display equipment logic area dividing rules, a display file is configured for each graphic workstation; synchronous bus updates and generates a bus command sequence according to events of a power real-time database, and transmits the bus command sequence to each graphic workstation; each graphic workstation generates update graphic data information according to the bus command sequence and the display file and converts the update graphic data information into a graphic signal; the graphic signals of the graphic workstations are summarized and a refreshed image is display on the screen display equipment. The method and the system for controlling multiple machines to synchronously output the image in parallel have the advantages that the extension is flexible and the extension demand of the system can be satisfied by adding the graphic workstations only; since multiple machines calculate the same image in parallel, the load of the workstations can be reduced and the working efficiency of the system is improved.
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Description

technical field

[0001] The invention relates to a method for synchronously outputting images by multiple machines in parallel, and also relates to a system for synchronously outputting images in parallel by multiple machines for realizing the method, belonging to the technical field of electric power system dispatching. Background technique

[0002] With the continuous improvement of the level of power system scheduling automation and the development and upgrading of large screens and controllers, power system users have put forward higher and higher requirements for large screens for dispatching and monitoring. The size of large screens continues to increase. Display The resolution is constantly increasing. The emergence of super-large screens immediately brought about the display effect and efficiency of graphics workstations. When a single graphics workstation calculates and displays ultra-high-resolution images on a super-large screen, not only the refresh rate is very ...

Claims

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