Instruments and Systems: Monitoring, Control, and Diagnostics Annotation << Back Improving the effectiveness of unmanned aerial vehicles reusable based on the use of onboard self-diagnosis systems S.A. SHILIN To improve the efficiency of unmanned aerial vehicles reusable, the use of on-board self-diagnosis systems is proposed. An attempt is made to formulate general requirements for them. For this purpose, an unmanned aerial vehicle with a turbojet propulsion system is considered. The main indicator of efficiency is its actual capacity. As a diagnostic feature, characterizing the state of the engine in terms of power, is the tendency of the temperature of the combustion products of the fuel. The most typical causes of the disruption of the fuel system are analyzed. Algorithms for the on-board self-diagnostic system, parrying emergency situations and keeping the product in combat readiness are proposed. Conclusions are drawn about the necessity of having a self-diagnostic system for the relational database as well as a module for extrapolation of continuous functions in the on-board system. A requirement is put forward for organizing the interaction of the on-board self-diagnosis system with the navigator of an unmanned aerial vehicle. Keywords: Unmanned aerial vehicle, on-board self-diagnosis system, turbojet dual-circuit engine, fuel system. Contacts: E-mail: stas@ipu.ru Pp. 11-15.