METHOD FOR NAVIGATING AN UNDERSEA VEHICLE
In a method for navigating an undersea vehicle (12), navigation data about position, orientation, and absolute vehicle speed of the undersea vehicle (12) are determined from measurement data delivered by navigation sensors (17) via a navigation filter (18) which incorporates the measurement values o...
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| creator | SCHMIEGEL ARMIN RATHJEN DIRK ENGEL ROBERT |
| description | In a method for navigating an undersea vehicle (12), navigation data about position, orientation, and absolute vehicle speed of the undersea vehicle (12) are determined from measurement data delivered by navigation sensors (17) via a navigation filter (18) which incorporates the measurement values of a Doppler log (14). To achieve a highly accurate tracking of the course taken by the undersea vehicle (12), particularly during submerging and surfacing phases, the stretch of water (10) traversed by the undersea vehicle (12) is divided into regions (13) which at least in the vertically oriented z-axis have a finite dimension within a Cartesian coordinate system (11). During the voyage of the undersea vehicle (12), the flow rates in the stretch of water (10) in relation to the individual spatial layers (13) are determined and stored from the relative vehicle speeds measured by the Doppler log (14) in successive measurement processes, and from the absolute vehicle speeds issued continuously by the navigation filter (18). The stored flow rates are input into the navigation filter (18) (FIG. 1) in accordance with the respective spatial layer (13) reached by the undersea vehicle (12). |
| format | Patent |
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To achieve a highly accurate tracking of the course taken by the undersea vehicle (12), particularly during submerging and surfacing phases, the stretch of water (10) traversed by the undersea vehicle (12) is divided into regions (13) which at least in the vertically oriented z-axis have a finite dimension within a Cartesian coordinate system (11). During the voyage of the undersea vehicle (12), the flow rates in the stretch of water (10) in relation to the individual spatial layers (13) are determined and stored from the relative vehicle speeds measured by the Doppler log (14) in successive measurement processes, and from the absolute vehicle speeds issued continuously by the navigation filter (18). The stored flow rates are input into the navigation filter (18) (FIG. 1) in accordance with the respective spatial layer (13) reached by the undersea vehicle (12).</description><language>eng</language><subject>ANALOGOUS ARRANGEMENTS USING OTHER WAVES ; CONTROLLING ; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ; GYROSCOPIC INSTRUMENTS ; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES ; MEASURING ; MEASURING DISTANCES, LEVELS OR BEARINGS ; NAVIGATION ; PHOTOGRAMMETRY OR VIDEOGRAMMETRY ; PHYSICS ; RADIO DIRECTION-FINDING ; RADIO NAVIGATION ; REGULATING ; SURVEYING ; SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES ; TESTING</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100429&DB=EPODOC&CC=US&NR=2010106349A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20100429&DB=EPODOC&CC=US&NR=2010106349A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHMIEGEL ARMIN</creatorcontrib><creatorcontrib>RATHJEN DIRK</creatorcontrib><creatorcontrib>ENGEL ROBERT</creatorcontrib><title>METHOD FOR NAVIGATING AN UNDERSEA VEHICLE</title><description>In a method for navigating an undersea vehicle (12), navigation data about position, orientation, and absolute vehicle speed of the undersea vehicle (12) are determined from measurement data delivered by navigation sensors (17) via a navigation filter (18) which incorporates the measurement values of a Doppler log (14). 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| subjects | ANALOGOUS ARRANGEMENTS USING OTHER WAVES CONTROLLING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION REGULATING SURVEYING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING |
| title | METHOD FOR NAVIGATING AN UNDERSEA VEHICLE |
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