Theoretical studies and arithmetical simulations in the field of dynamic zones of protection during horizontal evasive maneuvers for avoiding midair collisions are dealt with. The airborne navigation system consists of a VOR/DME receiving equipment and a simple RNAV unit. During a flight on a VOR radial the pilot is requested by a controller to make a track leg change to an impromptu waypoint as soon as a selected distance is indicated on the DME instrument. The zones of protection at the end of the evasive turn and during the flight to the waypoint are symbolized by means of 95% ellipses. The influences of the VOR/DME errors, the flight technical errors, and the environmental conditions on the position, the shape, and the size of the ellipses were investigated analytically and by means of numerous arithmetical simulations using the Monte Carlo method. The zones of protection and selected flight paths are represented in many graphs. The methods and results for collision avoidance can also be applied to some problems of 3-D or 4-D RNAV and of air traffic flow control.
Statistical Studies on Dynamic Zones of Protection During Horizontal Evasive Maneuvers
1976
48 pages
Report
No indication
English
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