| Summary: | 碩士 === 國防大學理工學院 === 機械工程碩士班 === 105 === In recent years, multi-rotor technology has been promoted and progressed, and related industrial developments and applications have been created. However, the performance of unmanned air vehicle flying control system is still insufficient on attitude stabilization and the safety issues so that the governments hesitate to fully open the applications. Consequently, this study analysis the flying control board system technologies on a typical multi-rotor to improve it’s flight stability through new dual GNSS hardware design, algorithms optimization and sensor sensitivity enhancement. In addition, automatic control and waypoint navigation technologies were used to improve fixed-point suspension and waypoint navigation flying abilities on a multi-rotor. The results of this study showed that the multi-rotor height change was significantly reduced during fixed-point suspension flying, and the wind resistance of the multi-rotor was stable under strong wind with Beaufort scale of 6. Furthermore, the anti-electromagnetic ability of the multi-rotor has been demonstrated under highly complex electromagnetic environment. Through the results of this study, flying accidents of the multi-rotor can be prevented so that the new technologies have great benefits on industrial developments, safeguards, national securities, battlefield reconnaissances, and disaster detectings.
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