G - Physics – 08 – G
Patent
G - Physics
08
G
G08G 9/02 (2006.01) G08G 3/02 (2006.01) G01S 7/04 (2006.01) G01S 13/93 (2006.01)
Patent
CA 2415110
A true predicted area of danger providing a preselected miss distance between an intruding vehicle and own ship is provided. A miss distance circle, having a radius equal to the desired miss distance, is generated about the initial position of the intruding vehicle and the relative co-ordinates and distance from own vehicleof selected points on this miss distance circle are determined(119). Points of own vehicle intercept of these selected points are established and a smooth curve is drawn through these points to provide the boundary of the predicted area of danger (112).
Cette invention concerne une méthode permettant de prévoir une zone effective de danger en déterminant une distance d'évitement prédéterminée entre un véhicule faisant intrusion et son propre bateau. Le procédé consiste à générer un cercle d'évitement dont le rayon est égal à la distance souhaitée d'évitement autour de la position initiale du véhicule faisant intrusion et de déterminer les coordonnées relatives de points sur ce cercle ainsi que leur distance par rapport à son propre bateau (119). On détermine des points d'interception de son propre bateau avec ces points et l'on relie ces points par une courbe lisse pour fixer la limite de la zone de danger prévue (112).
Wood Thomas E.
Yancey John F. Jr.
Litton Marine Systems Inc.
Northrop Grumman Systems Corporation
Smart & Biggar
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