Simulation and Evaluation of Civil Aircraft Auto-Landing with Various Guidance Systems

The goal of this study is to discuss the role of different guidance systems during landing phase facing preliminary design of large civil aircraft landing system. As a basic, an auto-landing control system of Boeing 747 is designed. Based on the signal statistics of ILS, GPS, radar system and the image-forming principle of visual guidance system, the four guidance error models are established. Then a method of evaluating the guidance systems is put forward by defining safety cost and comfort cost according to performance indexes. Finally, simulations of auto-landing are performed to evaluate performance of guidance systems and a design-making progress is designed. The results can reflect the characteristics of different guidance systems and help to analysis the guidance strategy for information fusion.