Redundancy architecture method for flight control system for large-scale medium-high-altitude reconnaissance and attack integrated unmanned aerial vehicle

Abstract

The invention discloses a redundancy architecture method for a flight control system for a large-scale medium-high-altitude reconnaissance and attack integrated unmanned aerial vehicle. The flight control system comprises three parts, namely a flight sensor, a redundancy flight control computer and an execution mechanism. According to the redundancy architecture method for the flight control system, corresponding redundancy design is carried out on each part; the flight control computer part adopts a three-redundancy hardware architecture based on FlexRay and Can buses; and the execution mechanism part comprises an aileron steering engine, a V-tail steering engine, a front wheel steering engine, an air door steering engine, an accelerator steering engine and a propeller speed regulation steering engine. The method has the advantages that the corresponding redundancy design is carried out on all the components of the flight control system, the three-redundancy flight control computer and the distributed architecture design based on the FlexRay and Can buses enable the system to eliminate the Byzantine General's fault, and therefore the reliability is improved, meanwhile, the expansibility is high, the structure is simple and flexible, and the maintenance cost is low, and the like; and the system can simultaneously meet the requirements of high reliability, low cost and high costperformance of the unmanned aerial vehicle.

Description

technical field [0001] The present invention relates to a redundant architecture method of a large-scale medium-high altitude reconnaissance and strike integrated unmanned aerial vehicle flight control system, in particular to a distributed flight control system redundant architecture method based on the fusion of similar and non-similar redundancy ideas based on FlexRay and Can bus , which is used to meet the requirements of large-scale medium-high altitude and long-endurance reconnaissance and strike integrated drones for flight control system reliability, real-time performance, maintainability, versatility, scalability, and cost-effectiveness under the condition of considering cost-effective factors. A variety of redundant design methods have been adopted to maximize the use of high-reliability COTS products, and the advantages of FlexRay and Can bus have been fully utilized to improve system performance while reducing costs, greatly improving the market competitiveness of U...

AI Technical Summary

Problems solved by technology

Industrial electronics technology is widely used, and its development speed is usually much faster than that of avionics technology, but its reliability is also lower

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