Research Of Stability Of Air Traffic Flow Operation System

Air traffic network is constructed by the routes in airspace, and the air traffic flow operational system (ATFOS) is constructed by the movement of aircrafts flow flying in the air traffic network, air traffic flow management system ( ATFMS) is built to guarantee ATFOS operation security, stability and efficient. The stability theory of ATFOS can provide scientific theory guidance for the establishment, safety and efficient management, and system maintenance of our country ATFMS. And also has a crucial significance on keeping ATFOS working in security, in stability and in order, making full use of facilities and airspace resources.The paper mainly research on the stability theory of air traffic flow operational system. As ATFOS is a large system, complex structures, many random factors and uncertainties and so on are the characteristics of ATFOS, we need analyze the system structure and its operation way before research on the stability. In this paper, foreign air traffic flow management systems are introduced, and then the organizational structure and operational structure of China's three level ATFMS are constructed based on multi-agent technology. Applying the multi-agent into the ATFM system can effectively enhance the system's adaptability and autonomy for dynamic environment, and reduce the complexity of design and construction of the system. And also offer a new way of thinking for the building of ATFM system. The blocking flow is applied to analyze the structural stability of route network system, and the methods to improve the structural stability of route network system are also proposed in this paper, they can provide technology and decision-making support for air traffic flow management. The corresponding theories of power system and road traffic flow are used for reference to analyze the stability of air traffic flow operation system. The conditions of system stability are educed. The applications of system stability to human factor, capacity evaluation and safety separation are studied. The ultimate goal of stability research is to provide technical guidance and support for the air traffic flow management. Finally, the air traffic flow operation system states are sorted according to the stability degree; and the theory of transfer probability is used to study the state transfer of ATFMS in order to determine which pathway influences the system mostly and then effectively control the system.