图形处理器适航符合性技术研究

On Graphics Processor Airworthiness Compliance Technology

随着机载显示系统复杂度的提升,越来越多地采用图形处理器来生成显示画面,但由于图形处理器的高复杂性,也给适航审定带来挑战。首先,分析了图形处理器在机载显示领域的使用场景以及带来的风险,研究了当前适航需求;然后,从使用FPGA和使用COTS器件两条技术路线给出了图形处理器适航应用中关注问题的解决方法,并对两个技术路线进行总结。研究成果有助于解决图形处理器在民机显示领域应用的适航难题,为现有显示设备制造商图形处理硬件设计方法提供参考。

With the increasing complexity of airborne display system graphics processor(GPU)is used more and more widely to generate display images.However due to the high complexity of GPU it also brings challenges to airworthiness certification.First analysis is made to the usage scenarios of GUP in airborne display and the risks it brings and the current airworthiness requirements are studied.Then the solutions to the problems concerned in the airworthiness application of GPU are given from the two technical routes of using FPGA and using COTS devices and the two technical routes are summarized.The research results are helpful for solving the airworthiness problem of the application of GPU in civil aircraft display which supplies a reference for existing display equipment manufacturers on the design of graphics processing hardware.