关键词: 鲁棒控制, 鲁棒稳定性, 鲁棒性能, 空中交通管制

Abstract: On the basis of analysis and discrimination of the process of aircrafts’ arrivals which is DEDS essentially，it is translated into the generic system which can be analyzed and designed by control theory.The system takes on lots of uncertain characteristics，accordingly，uses the robust control theory to handle the problem，and then designs a proper controller to ensure the robust stability and performance.The emulation argues that the design of system satisfies the request of ATC，which brings forward a new idea to apply the control theory to the automation of ATC in the process of aircrafts’ arrivals.

Key words: robust control, robust stability, robust performance, Air Traffic Control（ATC）