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Target simulator real-time drive system and method based on DVI interface of graphics card

A target simulator and drive system technology, applied in the field of image data transmission, can solve the problems of poor delay stability and high output delay of radiation scenes, and achieve the effects of improving confidence, ensuring delay stability, and shortening output delay

Active Publication Date: 2017-10-31
BEIJING SIMULATION CENT
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a real-time driving system and method for a target simulator based on a DVI interface of a graphics card, so as to solve the problems of high output delay and poor delay stability of radiation scenes in the prior art

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  • Target simulator real-time drive system and method based on DVI interface of graphics card
  • Target simulator real-time drive system and method based on DVI interface of graphics card

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Embodiment Construction

[0026] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0027] Such as figure 1 As shown, the present invention discloses a real-time drive system for a target simulator based on a graphics card DVI interface, the system comprising: a DVI transmission interface for establishing data communication with a graphics workstation and a target simulator; a field frequency output based on the DVI transmission interface signal, sending a simulation start signal to the dynamic scene image simulation module, and establishing a synchronous transmission control module for synchronous data t...

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Abstract

The present invention discloses a target simulator real-time drive system based on a DVI interface of a graphics card. The system comprises: a DVI transmission interface, used for establishing a data communication with a graphic workstation and a target simulator; a synchronous transmission control module, used for sending a simulation start signal to a dynamic scene image simulation module based on a field frequency signal output by the DVI transmission interface, and establishing synchronous data transmission with the target simulator; and the dynamic scene image simulation module, used for performing simulation analysis on to-be-tested dynamic scene data acquired from an external device based on the simulation start signal, and storing simulation image data into a frame cache. The present invention further discloses a target simulator real-time drive method based on a DVI interface of a graphics card. The technical scheme provided by the present invention shortens radiation scene output delay, ensures delay stability and thus greatly improves confidence of semi-physical dynamic scene simulation.

Description

technical field [0001] The invention relates to image data transmission, in particular to a real-time driving system and method for a target simulator based on a graphics card DVI interface. Background technique [0002] Dynamic image scene simulation is an important part of hardware-in-the-loop simulation experiment. Graphics computer graphics card GPU has powerful graphics rendering and parallel computing capabilities. At present, mainstream complex scene modeling software platforms at home and abroad are all based on the graphics engine of the graphics card. The simulation scene image generated by the graphics computer is output to the target simulator through the standard DVI interface of the graphics card to refresh and generate the radiation scene. However, since DVI follows an industry standard for video transmission, there is an inherent transmission delay. After testing, when the frame frequency is 100Hz, from the image generation computer receiving the simulation...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T15/00
CPCG06T15/005
Inventor 杜惠杰赵宏鸣虞红高阳张毅张兴张盈
Owner BEIJING SIMULATION CENT
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