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AUTOMATION OF MEASUREMENTS OF SIGNALS OF AIRCRAFT TRANSPONDERS IN INFORMATION MEASURING STANDS ON THE BASIS OF STANDARD VP AND SDR TECHNOLOGIES
Pavel I. Simonov, State research Institute of aviation systems (SRIAS), Moscow, Russia, sonar83@mail.ru
Yuri A. Kubankov, MTUCI, Moscow, Russia, yury.kubankov@ya.ru
Valentina N. Ignatova, All-Russia Research Institute «Etalon» (ARRI «Etalon»), Moscow, Russia, brs1701@ya.ru
Abstract
Currently, to solve measurement problems, measurement automation, there is an established set of measurement standards and platforms, as well as a set of software development tools. At the same time, it should be noted that the use of the open measuring standard PXI in conjunction with the graphical programming environment LabVIEW is currently not uncommon and is increasingly used in various fields [1, 2], including aircraft instrumentation [3]. At the same time, one of the most innovative approaches to building automated PXI/PXIe test benches is to use measurement modules based on programmable radio technology (software-defined radio, SDR) [4, 5], which greatly simplifies the programming and debugging process by using LabVIEW unified software development environment.
The basic rules for transmitting request signals and receiving aircraft response signals in a secondary radar system are considered. The main components of automated test benches for checking aircraft transponders are considered. The main methods for measuring the energy and time characteristics of response signals are considered. The main functions of the measuring stand, built on the basis of the measuring standard PXI and SDR, are shown, its interaction with the aircraft transponder by means of protocols based on ARINC 664 Part 7 is shown. The main categories of checks of aircraft transponders are considered. It is noted that the use of traditional test equipment is undesirable due to the likely operator overload. It is shown that currently the AFDX networks are widely used in the design of onboard surveillance systems. It is noted that their inclusion in the contour of the automated measuring stand allows to increase the automation of checks.
Keywords: virtual instruments, virtual measurement system, information and measuring system, AFDX, FPGA, SDR, LabVIEW, PXI.
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Information about authors:
Pavel I. Simonov, Candidate of Technical Sciences, Leading Engineer, State research Institute of aviation systems (SRIAS), Moscow, Russia
Yuri A. Kubankov, Candidate of Economic Sciences, Associate Professor, MTUCI, Moscow, Russia
Valentina N. Ignatova, engineer, All-Russia Research Institute «Etalon» (ARRI «Etalon»), Moscow, Russia