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NORTH-SLAVED SYSTEM [1 record]
Record 1 - internal organization data 2009-01-14
Record 1, English
Record 1, Subject field(s)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Ship Piloting
- Launching and Space Maneuvering
Record 1, Main entry term, English
- north-slaved system
1, record 1, English, north%2Dslaved%20system
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
As the aircraft approaches the poles (90°), cos [phi] approaches zero, so that the computation of longitude leads to a singularity. Consequently, a physical limitation arise in the computation of the azimuth gyroscope torquing command. That is, the rate at which the inertial platform must be rotated about the vertical axis in order to maintain one of its level axes pointing north (this is the so-called "north-slaved" system; ... 1, record 1, English, - north%2Dslaved%20system
Record number: 1, Textual support number: 1 OBS
north-slaved: Designation for systems which physically track the direction of north by rotating the platform. 2, record 1, English, - north%2Dslaved%20system
Record 1, Key term(s)
- north slaved system
Record 1, French
Record 1, Domaine(s)
- Pilotage et navigation aérienne
- Instruments de navigation
- Pilotage des navires
- Lancement et manœuvres dans l'espace
Record 1, Main entry term, French
- système chercheur de nord
1, record 1, French, syst%C3%A8me%20chercheur%20de%20nord
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Le gyroscope «1 axe» à suspension hydrostatique [...] Exemple d'application : le chercheur de nord Teldix NSK 40. Il s'agit essentiellement d'un gyroscope GWK 281 équipé d'un rappel élastique le transformant en gyromètre, dont le boîtier est suspendu au cardan de manière à pouvoir : obtenir l'alignement de son axe de sortie avec la verticale locale, par effet pendulaire; subir une rotation quelconque autour d'un axe d'azimut, sensiblement vertical, lié au boîtier de l'ensemble. La recherche du nord est effectuée par un asservissement dont l'élément détecteur est le gyromètre (axe d'entrée E), et dont le moteur agit sur sa suspension, de manière à faire balayer le plan horizontal par E. 2, record 1, French, - syst%C3%A8me%20chercheur%20de%20nord
Record 1, Spanish
Record 1, Textual support, Spanish
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