DGPSによる空港面監視システムの基礎実験

概要

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Conventional air traffic control system have great difficulties in surveying aircraft and vehicles that are moving on the airport surface under bad weather conditions, for example in thick fog, or at night. To solve this problem, the authors have been studying the possibility of introducing differential GPS (DGPS) for air control systems. We have completed an experimental system to verify the positioning accuracy of a control system with DGPS. An experiment was carried out on vehicles incorporating this system at Sendai Airport. The experiment showed that the DGPS positioning accuracy at a fixed point was 0.7m (1-sigma) , and lateral deviation on a moving-test along a straight line was 0.6m (1-sigma). Experimental results also revealed that positioning errors increased when satellites were masked by buildings or other obstacles.
社団法人日本航海学会の論文
1994-03-25