Online-Testing System of Parameters in Aeroplane Ground Power Supply Based on Labview

When aeroplane ground power supply is supplying electric power to aeroplane, due to the large difference in electricity needs of aeroplanes, there may be phenomenon of inadaptation in the electricity use mutation process. In order to test the online power supply quality of ground power supply and check the problem of mutual adaptability, this paper designed an online testing system of aeroplane ground power. The system determines the content of test with reference to national military standard on characteristics of aeroplane ground power supply, of which the hardware is embedded system formed by PC/104 architecture-based computer, high-speed parallel AD data acquisition card and so on; the software is programmed using Labview; the test algorithm is designed based on the “GJB 5189 -2003 Test Methods for Determining Parameters of the Characteristics of Aeroplane Power Supply”. The actual test on a certain type of ground power unit proved that the system is easy to operate, accurate in measurement and has good portability, meeting the design requirements and the urgent need of maintenance, thus is of high practical value and economic significance.