Development Of The Automatic Test Software For Radar-seeker Based On LabVIEW

Radar-seeker for air defense missile is a kind of detecting device which is fixed onthe top of the missile. The radar-seeker receives reflected or radiated electromagneticwaves from the target to directly detect the relative positions of missile and target, andthen the it tracks the target movements and forms guiding commands to control themissile’s flight toward the target. Radar-seeker is a complicated electrical systemcomposed of densely assembled electro-components which has a large number ofparameters to be tested. Therefore, every single test for a radar-seeker consumes quitemuch time. Automatic testing program can be produced by using the powerful functionof virtual instruments and realize the function of real instruments. The automatic test forradar-seeker can raise the testing precision, improve the working efficiency.In this thesis LabVIEW(Laboratory Virtual Instruments EngineeringWorkbench),the most important product of National Instruments Co.Ld.(NI), is used asprogramming language to produce automatic testing program in order to solve theproblems above. The main research contents are listed as follows:1. researching the semi-active radar-seeker and understand the electricalcharacteristics and the testing requirements of tested product;2. analyzing testing requirements of semi-active radar-seeker, realizing functiondesign of automatic test program, confirming testing procedure, finishing the detaileddesign of test management module, self-test module, initial preparation module,radar-seeker test module, test report module, missile characteristic evaluation module,uninterrupted test module, completing automatic and manual testing program;3. carrying out system test of sub-programs and main program with semi-activeradar-seeker, finishing program debugging and achieving program function;4. compiling program files in different developing phases according to militarysoftware engineering management requirements and completing software test.Currently the automatic test program has been successfully developed andconforms to the design requirements after test run with the semi-active radar-seeker.The test result is completely same with the traditional manual test result. A total testingprocess consumes24minutes. Lately work will be focused on the further developmentof the fault detection and diagnosis function.