During peak hours almost all major commercial airports operate close to their capacity limits. Moreover, the traffic demand often exceeds the offered capacities leading to more or less stringent restrictions in slot allocation. The purpose of the fast-time air traffic simulations, was to analyze and assess the performance and the practicability of automated time-based approach concepts, currently developed to optimize the terminal area air traffic process with respect to safety, capacity and economy. The developed program system TASIMD (Terminal Area SIMulation considering the aircraft Dynamics) simulates flight operations of arriving aircraft within a terminal area during a specific time interval. TASIMD models all major elements of a TMA scenario related to the control and operations of automated approach procedures on the ground and in the air (e.g., surveillance, control procedures, aircraft dynamics, flight guidance). The aircraft fly along 4D-trajectories, described by a horizontal profile, an altitude profile and a speed profile to integrate the time element, considering influences on the path following accuracy in space and time. Sources of error impact are: entry fix time deviation, navigation, wind, airspeed error and profile management algorithm error. Errors are modeled in Monte-Carlo technique. Two types of automated approach procedures were developed and analyzed: a variable path speed control concept (VPSC) and a fixed path speed control concept (FPSC). Both concepts presume a shared air/ground responsibility for profile control.
Simulation of Automated Approach Procedures Considering Dynamic Flight Operations
1990
16 pages
Report
No indication
English
Air Transportation , Air traffic control , Aircraft approach spacing , Computerized simulation , Flight operations , Instrument approach , Computer systems programs , Air traffic , Aircraft maneuvers , Airports , Airspeed , Algorithms , Automatic control , Flight paths , Navigation aids , Foreign technology
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