TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PLATE-FORME STABILISEE [21 records]
Record 1 - internal organization data 2012-07-06
Record 1, English
Record 1, Subject field(s)
- General Mechanics (Physics)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
Record 1, Main entry term, English
- angular drift
1, record 1, English, angular%20drift
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... gyros and accelerometers have an offset, known as bias. The gyro bias for instance, shows itself after integration as an angular drift, increasing rise linearly over time (ramp)... To compensate for sensor drift, a process called augmentation is used, whereby gyro and acceleration errors are compensated by utilising other system states. For instance the angular drift error of a gyro after integration can be compensated, if true angular measurements are taken. Comparing the two shows then the gyro drift. Assuming that inertial systems are generally operated around an equilibrium position and thus linear acceleration integrates to zero over time, then attitude can be processed via gravitational acceleration, thus giving true angular measurements to compensate gyro drift. 1, record 1, English, - angular%20drift
Record 1, French
Record 1, Domaine(s)
- Mécanique générale (Physique)
- Pilotage et navigation aérienne
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
Record 1, Main entry term, French
- dérive angulaire
1, record 1, French, d%C3%A9rive%20angulaire
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[...] il est possible de réaliser des capteurs gyrométriques dont les performances sont caractérisées par une erreur de facteur d’échelle pouvant être inférieure à 10-6, une dérive angulaire de l'ordre de quelques millièmes de degré par heure, pendant quelques heures, un domaine de mesure pouvant dépasser 360 degrés par seconde. Ces caractéristiques ont notamment autorisé la réalisation de navigateurs inertiels(sans plate-forme stabilisée) destinés aux avions civils et militaires ainsi qu'à des lanceurs spatiaux comme Ariane IV et V. 1, record 1, French, - d%C3%A9rive%20angulaire
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2010-12-02
Record 2, English
Record 2, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 2, Main entry term, English
- azimuth gyroscope
1, record 2, English, azimuth%20gyroscope
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- azimuth gyro 2, record 2, English, azimuth%20gyro
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
The gyros are used to maintain the platform's inertial orientation by sensing rotations of the platform caused by vehicle-rotation-induced friction at the gimbal pivot points ... One gyro - called the vertical gyro - is oriented so its input axes are aligned with the X and Y platform axes; its input axes provide IMU [Inertial Measurement Unit] platform roll and pitch stabilization. The second gyro is oriented so that one input axis lies along the platform's Z axis and the other lies in the X-Y plane. This gyro - the azimuth gyro - provides platform yaw stabilization with the Z input axis, while the second input axis is used as a platform rate detector for built-in test equipment. 3, record 2, English, - azimuth%20gyroscope
Record number: 2, Textual support number: 2 CONT
The sensors for angular velocity are vibrating gyroscopes (3 axes, to detect rotation and pitch/roll pendulations of the payload). An error signal is obtained differencing the signal from the azimuth gyroscope and a constant level settable from the telemetry, which controls the speed of rotation. Such error signal drives an analog PID [Proportional Integral Differential] circuit; the output of the PID is connected to the PWM [Pulse Width Modulation] driver supplying current to the pivot azimuth motors. 3, record 2, English, - azimuth%20gyroscope
Record number: 2, Textual support number: 3 CONT
azimuth gyro: term used at Natural Resources Canada - Earth Sciences Sector. 4, record 2, English, - azimuth%20gyroscope
Record number: 2, Textual support number: 1 PHR
Azimuth gyro drift rate. 5, record 2, English, - azimuth%20gyroscope
Record 2, French
Record 2, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 2, Main entry term, French
- gyroscope d’azimut
1, record 2, French, gyroscope%20d%26rsquo%3Bazimut
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- gyro d’azimut 2, record 2, French, gyro%20d%26rsquo%3Bazimut
correct, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
La plate-forme stabilisée [...] Trois gyroscopes sont utilisés :(a) Un gyroscope d’azimut qui, n’ ayant aucun degré de liberté dans l'axe vertical, détecte tout déplacement de la plate-forme en azimut.(b) Deux gyroscopes d’inclinaison [...] 3, record 2, French, - gyroscope%20d%26rsquo%3Bazimut
Record number: 2, Textual support number: 1 OBS
gyroscope d’azimut : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre. 4, record 2, French, - gyroscope%20d%26rsquo%3Bazimut
Record number: 2, Textual support number: 1 PHR
Vitesse de dérive du gyroscope d’azimut. 5, record 2, French, - gyroscope%20d%26rsquo%3Bazimut
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2007-04-05
Record 3, English
Record 3, Subject field(s)
- Launching and Space Maneuvering
Record 3, Main entry term, English
- course deviation 1, record 3, English, course%20deviation
Record 3, Abbreviations, English
Record 3, Synonyms, English
- flight path deviation 1, record 3, English, flight%20path%20deviation
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Gyroscopes are used in the attitude system to sense course deviation and relay flight changes or corrections through electronic controls to the steering vanes. 1, record 3, English, - course%20deviation
Record 3, French
Record 3, Domaine(s)
- Lancement et manœuvres dans l'espace
Record 3, Main entry term, French
- déviation par rapport à la trajectoire
1, record 3, French, d%C3%A9viation%20par%20rapport%20%C3%A0%20la%20trajectoire
feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Trois accéléromètres [...] montés sur une plate-forme stabilisée par gyroscopes, enregistrent [...] les composantes de la déviation par rapport à la trajectoire et commandent en conséquence les gouvernes par l'intermédiaire de relais. 1, record 3, French, - d%C3%A9viation%20par%20rapport%20%C3%A0%20la%20trajectoire
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2007-04-05
Record 4, English
Record 4, Subject field(s)
- Spacecraft
Record 4, Main entry term, English
- steering vane 1, record 4, English, steering%20vane
Record 4, Abbreviations, English
Record 4, Synonyms, English
- deflection vane 1, record 4, English, deflection%20vane
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Gyroscopes are used in the attitude system to sense course deviations and relay flight changes or corrections through electronic controls to the streering vane. 1, record 4, English, - steering%20vane
Record 4, French
Record 4, Domaine(s)
- Engins spatiaux
Record 4, Main entry term, French
- gouverne
1, record 4, French, gouverne
feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- vanne de commande 1, record 4, French, vanne%20de%20commande
feminine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Trois accéléromètres [...] sur une plate-forme stabilisée par gyroscopes, enregistrent [...] la déviation par rapport à la trajectoire et commandent en conséquence les gouvernes par l'intermédiaire de relais. 1, record 4, French, - gouverne
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2006-03-13
Record 5, English
Record 5, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 5, Main entry term, English
- tilt sensor
1, record 5, English, tilt%20sensor
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- inclinometer 2, record 5, English, inclinometer
correct, see observation
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A device which reports the angle of an object with respect to gravity. 2, record 5, English, - tilt%20sensor
Record number: 5, Textual support number: 1 CONT
The gyroscopes are mounted on a platform that is stabilized by signals from the gyroscopes. The platform is aligned to the local vertical and to north prior to takeoff by using essentially the same technique as for a marine gyrocompass. The 84-min Schuler period is shortened by amplifying signals from tilt sensors or accelerometers on the platform to rapidly remove platform tilt and align to north. 3, record 5, English, - tilt%20sensor
Record number: 5, Textual support number: 1 OBS
Not to be confused with the inclinometer of the turn coordinator. 4, record 5, English, - tilt%20sensor
Record 5, French
Record 5, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 5, Main entry term, French
- gyro-détecteur d’inclinaison
1, record 5, French, gyro%2Dd%C3%A9tecteur%20d%26rsquo%3Binclinaison
masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- gyroscope d’inclinaison 1, record 5, French, gyroscope%20d%26rsquo%3Binclinaison
masculine noun
- gyro-détecteur 1, record 5, French, gyro%2Dd%C3%A9tecteur
masculine noun
- gyro-détecteur de la plate-forme 1, record 5, French, gyro%2Dd%C3%A9tecteur%20de%20la%20plate%2Dforme
masculine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
[...] la plate-forme stabilisée est montée à la cardan. Elle est maintenue horizontale et alignée grâce à des gyro-détecteurs situés sur la plate-forme. Les gyro-détecteurs émettent des signaux d’erreur qui entraînent des servomoteurs placés entre les cardans. [...] Les gyro-détecteurs de la plate-forme sont des gyromètres mais, contrairement aux gyromètres utilisés dans l'indicateur de virage, ils ne sont pas reliés au cardan par un ressort pour provoquer la précession du gyroscope lorsqu'un virage est détecté. Dans le cas du gyromètre utilisé sur la plate-forme, c'est la précession du cadre qui déplace la barre en I par rapport à une barre en E, produisant ainsi un signal d’erreur. 1, record 5, French, - gyro%2Dd%C3%A9tecteur%20d%26rsquo%3Binclinaison
Record number: 5, Textual support number: 1 OBS
Pluriel : des plateformes, des plates-formes. 2, record 5, French, - gyro%2Dd%C3%A9tecteur%20d%26rsquo%3Binclinaison
Record number: 5, Textual support number: 2 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 3, record 5, French, - gyro%2Dd%C3%A9tecteur%20d%26rsquo%3Binclinaison
Record 5, Key term(s)
- gyro-détecteur de la plateforme
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2006-03-11
Record 6, English
Record 6, Subject field(s)
- Aeroindustry
Record 6, Main entry term, English
- stabilized flying platform 1, record 6, English, stabilized%20flying%20platform
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record 6, French
Record 6, Domaine(s)
- Constructions aéronautiques
Record 6, Main entry term, French
- plate-forme volante stabilisée
1, record 6, French, plate%2Dforme%20volante%20stabilis%C3%A9e
feminine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
Pluriel : des plateformes, des plates-formes. 2, record 6, French, - plate%2Dforme%20volante%20stabilis%C3%A9e
Record number: 6, Textual support number: 2 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 3, record 6, French, - plate%2Dforme%20volante%20stabilis%C3%A9e
Record 6, Key term(s)
- plateforme volante stabilisée
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2006-03-06
Record 7, English
Record 7, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 7, Main entry term, English
- gyro-stabilized inertial navigation system
1, record 7, English, gyro%2Dstabilized%20inertial%20navigation%20system
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- gyro stabilized inertial navigation system 2, record 7, English, gyro%20stabilized%20inertial%20navigation%20system
correct
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
... the X-15 was equipped with a gyro-stabilized inertial navigation system (INS) and flight instrumentation that would give the pilot much more precise and accurate flight information. 3, record 7, English, - gyro%2Dstabilized%20inertial%20navigation%20system
Record number: 7, Textual support number: 1 OBS
See record "inertial navigation system/système de navigation par inertie." 4, record 7, English, - gyro%2Dstabilized%20inertial%20navigation%20system
Record 7, Key term(s)
- gyrostabilized inertial navigation system
- gyrostabilised inertial navigation system
- gyro-stabilised inertial navigation system
Record 7, French
Record 7, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 7, Main entry term, French
- centrale de navigation inertielle à plate-forme gyrostabilisée
1, record 7, French, centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- système inertiel à plate-forme gyrostabilisée 2, record 7, French, syst%C3%A8me%20inertiel%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
masculine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
[...] les progrès de l’aviation ont rapidement montré la nécessité de repères angulaires capables d’un fonctionnement autonome. Les gyroscopes furent à nouveau mis à contribution; il en est résulté l’apparition d’appareils [tels] le directionnel et l’horizon artificiel [...] Cependant, à bord des avions importants [...], de nombreux avions de combat, les lanceurs spatiaux, les accélérations et les vitesses atteintes perturbent leur fonctionnement; il y a lieu, dans ce cas, pour obtenir une référence angulaire correcte, d’installer une centrale de navigation inertielle à plate-forme gyrostabilisée ou à composants liés (ce dernier dispositif est qualifié de «strap-down» [...] 1, record 7, French, - centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 7, Textual support number: 1 OBS
En Allemagne, la Société Teldix fabrique des systèmes inertiels [...] les recherches actuelles portent essentiellement sur l'amélioration des systèmes avec plates-formes stabilisées, et sur la réalisation de systèmes à composants liés(c'est-à-dire sans plate-forme stabilisée) [...] 3, record 7, French, - centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 7, Textual support number: 2 OBS
Voir la fiche «système de navigation par inertie/inertial navigation system». 2, record 7, French, - centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 7, Textual support number: 3 OBS
Pluriel : des plateformes, des plates-formes. 4, record 7, French, - centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 7, Textual support number: 4 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 5, record 7, French, - centrale%20de%20navigation%20inertielle%20%C3%A0%20plate%2Dforme%20gyrostabilis%C3%A9e
Record 7, Key term(s)
- centrale de navigation inertielle à plateforme gyrostabilisée
- système inertiel à plateforme gyrostabilisée
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2006-03-06
Record 8, English
Record 8, Subject field(s)
- Applications of Automation
- Navigation Instruments
- Aircraft Piloting and Navigation
Record 8, Main entry term, English
- mechanize the stable platform
1, record 8, English, mechanize%20the%20stable%20platform
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 CONT
The majority of operational inertial navigation systems used today for terrestrial navigation, mechanize the stable platform in a local-level configuration, in order to establish a reference frame for the navigation computations. This type of mechanization is desirable because it provides geographic latitude, longitude, and heading by integrating directly the horizontal accelerometer outputs. 1, record 8, English, - mechanize%20the%20stable%20platform
Record number: 8, Textual support number: 1 OBS
mechanization: The process by which the navigation equations are implemented in hardware and software. 2, record 8, English, - mechanize%20the%20stable%20platform
Record number: 8, Textual support number: 2 OBS
Inertial Error Dynamics. A more refined analysis of the phenomenon of gravity feedback leads to the conclusion that most errors in an INS [inertial navigation system] oscillate with the Schuler period. Such an analysis would consider the particular mechanization of the system - since many errors are most easily described in the mechanized coordinate system, and would consider the effects of all significant errors simultaneously. 2, record 8, English, - mechanize%20the%20stable%20platform
Record 8, French
Record 8, Domaine(s)
- Automatisation et applications
- Instruments de navigation
- Pilotage et navigation aérienne
Record 8, Main entry term, French
- automatiser la plateforme stabilisée 1, record 8, French, automatiser%20la%20plateforme%20stabilis%C3%A9e
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 OBS
automatisation : Suppression totale ou partielle de l’intervention humaine dans l’exécution de tâches diverses [...] L’automatisation s’applique aux tâches les plus simples [...] comme aux plus complexes, telles que la conduite par ordinateur d’une unité chimique ou la gestion automatisée d’un établissement bancaire. 2, record 8, French, - automatiser%20la%20plateforme%20stabilis%C3%A9e
Record number: 8, Textual support number: 2 OBS
Principe d’une centrale inertielle. [...] un solide (P) peut être immobilisé avec ses axes constamment alignés sur ceux d’un repère absolu Ra. Un tel solide est appelé plateforme stabilisée. 3, record 8, French, - automatiser%20la%20plateforme%20stabilis%C3%A9e
Record number: 8, Textual support number: 3 OBS
Pluriel : des plateformes, des plates-formes. 4, record 8, French, - automatiser%20la%20plateforme%20stabilis%C3%A9e
Record number: 8, Textual support number: 4 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 5, record 8, French, - automatiser%20la%20plateforme%20stabilis%C3%A9e
Record 8, Key term(s)
- automatiser la plate-forme stabilisée
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2006-03-06
Record 9, English
Record 9, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 9, Main entry term, English
- gyro stabilized platform
1, record 9, English, gyro%20stabilized%20platform
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
- gyroscopically stabilized platform 2, record 9, English, gyroscopically%20stabilized%20platform
correct
- gyrostabilized platform 3, record 9, English, gyrostabilized%20platform
correct
- stable inertial platform 2, record 9, English, stable%20inertial%20platform
correct
- stable platform 2, record 9, English, stable%20platform
correct
- gyrostabilised platform 4, record 9, English, gyrostabilised%20platform
correct
- stabilized platform 5, record 9, English, stabilized%20platform
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A platform that is controlled in inertial space by gyroscopic means. 6, record 9, English, - gyro%20stabilized%20platform
Record number: 9, Textual support number: 1 CONT
IRS. Inertial reference system. Navigation. Equipment that determines aircraft position by sensing aircraft accelerations with a gyrostabilized platform and provides the information to the RNAV [Area navigation] equipment or FMS [flight management system]. 3, record 9, English, - gyro%20stabilized%20platform
Record number: 9, Textual support number: 2 CONT
Inertial Navigation System (INS) ... Velocity and distance are computed from sensed acceleration. Two accelerometers, gyro stabilized, are mounted in a gimbal assembly commonly called the platform ... The gyro stabilized platform on which the two accelerometers are mounted is kept level with respect to the earth (rather than fixed in space) by a compensating mechanism that allows for the fact that the earth is rotating and that it is round. 7, record 9, English, - gyro%20stabilized%20platform
Record 9, Key term(s)
- gyro-stabilized platform
Record 9, French
Record 9, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 9, Main entry term, French
- plate-forme gyrostabilisée
1, record 9, French, plate%2Dforme%20gyrostabilis%C3%A9e
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
- plate-forme stabilisée gyroscopiquement 2, record 9, French, plate%2Dforme%20stabilis%C3%A9e%20%20gyroscopiquement
correct, feminine noun
- plate-forme stabilisée 3, record 9, French, plate%2Dforme%20stabilis%C3%A9e
correct, feminine noun
- plate-forme stabilisée par gyroscope 4, record 9, French, plate%2Dforme%20stabilis%C3%A9e%20par%20gyroscope
correct, feminine noun
- plateforme stabilisée 5, record 9, French, plateforme%20stabilis%C3%A9e
correct, feminine noun
- plateforme stabilisée par gyroscope 6, record 9, French, plateforme%20stabilis%C3%A9e%20par%20gyroscope
correct, feminine noun
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
[...] plan matériel qui reste parfaitement horizontal et d’orientation connue quelles que soient les conditions extérieures. 5, record 9, French, - plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 9, Textual support number: 1 CONT
Comment stabiliser un solide(plate-forme) ? : Précisément au niveau des axes des anneaux supplémentaires, on peut mesurer les rotations infinitésimales du solide par rapport aux gyros fixes par rapport aux étoiles. La détection d’un écart angulaire traitée par un asservissement adéquat, commandera l'action d’un moteur qui annulera l'écart angulaire. Ainsi les axes plate-forme resteront toujours alignés sur ceux des gyros. C'est la notion de plate-forme stabilisée. 7, record 9, French, - plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 9, Textual support number: 1 OBS
Pluriel : des plateformes, des plates-formes. 8, record 9, French, - plate%2Dforme%20gyrostabilis%C3%A9e
Record number: 9, Textual support number: 2 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 9, record 9, French, - plate%2Dforme%20gyrostabilis%C3%A9e
Record 9, Key term(s)
- plateforme stabilisée gyroscopiquement
- plateforme stabilisée par gyroscopes
- plateforme gyrostabilisée
- plate-forme stabilisée par gyroscopes
- plateforme gyrostabilisée
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 2006-03-01
Record 10, English
Record 10, Subject field(s)
- Range Measurements (Telecommunications)
Record 10, Main entry term, English
- three-axis platform
1, record 10, English, three%2Daxis%20platform
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record 10, Key term(s)
- three axis platform
Record 10, French
Record 10, Domaine(s)
- Mesures à distance (Télécommunications)
Record 10, Main entry term, French
- plate-forme stabilisée
1, record 10, French, plate%2Dforme%20stabilis%C3%A9e
feminine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- plateforme stabilisée 2, record 10, French, plateforme%20stabilis%C3%A9e
feminine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 OBS
Pluriel : des plateformes, des plates-formes. 3, record 10, French, - plate%2Dforme%20stabilis%C3%A9e
Record number: 10, Textual support number: 2 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 2, record 10, French, - plate%2Dforme%20stabilis%C3%A9e
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2006-03-01
Record 11, English
Record 11, Subject field(s)
- Oil Drilling
Record 11, Main entry term, English
- gravity-type drilling platform 1, record 11, English, gravity%2Dtype%20drilling%20platform
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record 11, Key term(s)
- gravity type drilling platform
Record 11, French
Record 11, Domaine(s)
- Forage des puits de pétrole
Record 11, Main entry term, French
- plate-forme de forage stabilisée par gravité
1, record 11, French, plate%2Dforme%20de%20forage%20stabilis%C3%A9e%20par%20gravit%C3%A9
feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
- plateforme de forage stabilisée par gravité 2, record 11, French, plateforme%20de%20forage%20stabilis%C3%A9e%20par%20gravit%C3%A9
feminine noun
Record 11, Textual support, French
Record number: 11, Textual support number: 1 OBS
Pluriel : des plateformes, des plates-formes. 3, record 11, French, - plate%2Dforme%20de%20forage%20stabilis%C3%A9e%20par%20gravit%C3%A9
Record number: 11, Textual support number: 2 OBS
plateforme (sing.); plateformes (pl.) : Ces graphies, puisées des Rectifications de l’orthographe recommandées par le Conseil supérieur de la langue française, sont attestées dans le Petit Robert (2004). 2, record 11, French, - plate%2Dforme%20de%20forage%20stabilis%C3%A9e%20par%20gravit%C3%A9
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2002-07-16
Record 12, English
Record 12, Subject field(s)
- General Mechanics (Physics)
- Flight Instruments and Equipment (Aeroindustry)
- Navigation Instruments
- Aircraft Piloting and Navigation
Record 12, Main entry term, English
- dynamic tuning
1, record 12, English, dynamic%20tuning
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
The adjustment of the gimbal inertia, flexure spring rate, or the spin rate of a rotor suspension system to achieve a condition in which the dynamically induced (negative) spring rate cancels the spring rate of the flexure suspension. 2, record 12, English, - dynamic%20tuning
Record number: 12, Textual support number: 1 CONT
The "dynamic tuning" of a dynamically tuned gyroscope (DTG) refers to a clever gimbal configuration that balances the torques from the support flexures with dynamic spring torques created by gimbal "flutter" while the gyro rotor spins. This configuration allows the gyro rotor to spin to a "free" rotor in two axes. 3, record 12, English, - dynamic%20tuning
Record 12, French
Record 12, Domaine(s)
- Mécanique générale (Physique)
- Instruments et équipement de bord (Constructions aéronautiques)
- Instruments de navigation
- Pilotage et navigation aérienne
Record 12, Main entry term, French
- accord dynamique
1, record 12, French, accord%20dynamique
masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
Record 12, Textual support, French
Record number: 12, Textual support number: 1 OBS
La plate-forme à cercles de suspension à trois axes, stabilisée par gyroscope, utilise deux gyroscopes accordés qui ont deux degrés de liberté, un rotor libre, de qualité inertielle, ainsi que trois accéléromètres à pendules. 2, record 12, French, - accord%20dynamique
Record number: 12, Textual support number: 2 OBS
Suspension dynamique accordée [...] La condition d’accord définissant la vitesse correcte relie les caractéristiques des barres de torsion et un moment d’inertie particulier de l’anneau interne. On l’appelle la «condition de tuning» et c’est ce qui donne à la technique le nom de gyroscope accordé. 3, record 12, French, - accord%20dynamique
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 2002-07-05
Record 13, English
Record 13, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 13, Main entry term, English
- inertial grade
1, record 13, English, inertial%20grade
correct, adjective phrase
Record 13, Abbreviations, English
Record 13, Synonyms, English
- inertial quality 1, record 13, English, inertial%20quality
correct, adjective phrase
- inertial type 2, record 13, English, inertial%20type
adjective phrase
Record 13, Textual support, English
Record number: 13, Textual support number: 1 CONT
Therefore, the greater the pathlength, the greater the accuracy. For this reason, inertial grade (or quality) RLGs [ring laser gyros] are normally larger than ... missile grade RLGs. 1, record 13, English, - inertial%20grade
Record 13, French
Record 13, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 13, Main entry term, French
- de classe inertielle
1, record 13, French, de%20classe%20inertielle
correct, adjective phrase
Record 13, Abbreviations, French
Record 13, Synonyms, French
- de qualité inertielle 2, record 13, French, de%20qualit%C3%A9%20inertielle
correct, adjective phrase
- de type inertiel 3, record 13, French, de%20type%20inertiel
adjective phrase
- de catégorie inertielle 3, record 13, French, de%20cat%C3%A9gorie%20inertielle
adjective phrase
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
Les gyroscopes vibrants représentent aujoud’hui une nouvelle et importante technologie inertielle, non seulement parce que, pour certains d’entre eux, ils ont montré leur capacité à être très performants (on dit alors qu’ils sont de classe inertielle), mais que surtout, dans les autres technologies dites «solid state» (gyroscopes laser et à fibre optique), les gyroscopes n’ont pas la même aptitude que les gyroscopes vibrants à être miniaturisés et fabriqués à des coûts faibles. 1, record 13, French, - de%20classe%20inertielle
Record number: 13, Textual support number: 2 CONT
La Sagem intègre dans ses systèmes de guidage et de navigation trois types de gyrolaser de classe inertielle, de périmètre 8, 16 et 32 cm. Les appareils fournissent directement une information d’angle sous forme d’incréments. L’incrément d’angle est fonction de la longueur d’onde optique et du périmètre du gyroscope. 1, record 13, French, - de%20classe%20inertielle
Record number: 13, Textual support number: 3 CONT
La plate-forme à cercles de suspension à trois(3) axes, stabilisée par gyroscope, utilise deux(2) gyroscopes accordés qui ont deux(2) degrés de liberté, un rotor libre, de qualité inertielle, ainsi que trois(3) accéléromètres à pendules. 2, record 13, French, - de%20classe%20inertielle
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 2001-09-20
Record 14, English
Record 14, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 14, Main entry term, English
- detection of angular displacement 1, record 14, English, detection%20of%20angular%20displacement
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 OBS
angular displacement: A vector measure of the rotation of an object about an axis; the vector points along the axis according to the right-hand rule; the length of the vector is the rotation angle, in degrees or radians. 2, record 14, English, - detection%20of%20angular%20displacement
Record 14, French
Record 14, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 14, Main entry term, French
- détection d’un écart angulaire
1, record 14, French, d%C3%A9tection%20d%26rsquo%3Bun%20%C3%A9cart%20angulaire
correct, feminine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 CONT
Comment isoler les gyros du solide à stabiliser? : Grâce à des armatures supplémentaires, en plus de celles déjà nécessaires au gyro lui-même. Comment stabiliser un solide(plate-forme) ? : Précisément au niveau des axes des anneaux supplémentaires, on peut mesurer les rotations infinitésimales du solide par rapport aux gyros fixes par rapport aux étoiles. La détection d’un écart angulaire traitée par un asservissement adéquat, commandera l'action d’un moteur qui annulera l'écart angulaire. Ainsi les axes plate-forme resteront toujours alignés sur ceux des gyros. C'est la notion de plate-forme stabilisée. 2, record 14, French, - d%C3%A9tection%20d%26rsquo%3Bun%20%C3%A9cart%20angulaire
Record number: 14, Textual support number: 2 CONT
On peut imaginer et c’est la tendance actuelle, une détection des écarts angulaires par des gyromètres intégrateurs directement disposés sur la structure de [la plate-forme], en strapdown et mesurant les infimes écarts d’orientation de [la plate-forme]. [...] La centrale décrite est celle qui équipe le Mirage 2000, son nom UNI 52. 3, record 14, French, - d%C3%A9tection%20d%26rsquo%3Bun%20%C3%A9cart%20angulaire
Record 14, Key term(s)
- détection des écarts angulaires
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 2001-09-11
Record 15, English
Record 15, Subject field(s)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Launching and Space Maneuvering
Record 15, Main entry term, English
- inertial reference
1, record 15, English, inertial%20reference
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
Record 15, Textual support, English
Record number: 15, Textual support number: 1 CONT
The on-orbit Attitude Determination and Control Subsystem (ADACS) provides three axis pointing control for the satellite. The ADACS maintains system pointing by controlling torque in three mutually orthogonal wheels. The torque is determined by analysis of spacecraft orientation in space. Input to these computations are acquired from the Earth Sensor Assembly (ESA) for pitch and roll, and an inertial reference with sun sensor updates for yaw. 2, record 15, English, - inertial%20reference
Record 15, French
Record 15, Domaine(s)
- Pilotage et navigation aérienne
- Instruments de navigation
- Lancement et manœuvres dans l'espace
Record 15, Main entry term, French
- référence inertielle
1, record 15, French, r%C3%A9f%C3%A9rence%20inertielle
correct, feminine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
- repère inertiel 2, record 15, French, rep%C3%A8re%20inertiel
masculine noun, less frequent
Record 15, Textual support, French
Record number: 15, Textual support number: 1 CONT
Ce chapitre concerne l'étude fine d’un gyroscope [...], monté à 3 degrés de liberté [...] grâce à 2 armatures de Cardan. L'appareil est «le passager» d’une plate-forme stabilisée [...], d’orientation fixe dans un repère inertiel. I Description du montage : 1°) La plate-forme :[...] est un solide [...], emporté dans un véhicule(avion, sous marin, lanceur etc...), et conservant une orientation fixe par rapport à un repère inertiel. Ce qui ne veut pas dire que [la plate-forme stabilisée] est en translation uniforme, simplement en translation quelconque, avec accélération et vitesse. 3, record 15, French, - r%C3%A9f%C3%A9rence%20inertielle
Record number: 15, Textual support number: 2 CONT
Équipement de navigation. Ce type d’équipement guide l’aéronef vers son lieu de destination et intègre de nombreux produits tels que les systèmes de positionnement mondial [(...] GPS), la centrale anémobarométrique, qui calcule la vitesse aérodynamique, l’altitude et la vitesse verticale de l’appareil, les IRS («Inertial Reference System» - systèmes de référence inertielle) - qui sont les principaux capteurs de mouvement et de navigation de la cellule utilisés par un nombre très élevé de systèmes avioniques [...] 4, record 15, French, - r%C3%A9f%C3%A9rence%20inertielle
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 2001-08-28
Record 16, English
Record 16, Subject field(s)
- Applications of Electronics
- Electronic Measurements
- Navigation Instruments
Record 16, Main entry term, English
- gyrometric sensor
1, record 16, English, gyrometric%20sensor
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
Record 16, Textual support, English
Record number: 16, Textual support number: 1 CONT
The gyrometric sensor is useful (sometimes necessary) for cranes with strong mast torsion, due to the design of the crane (height, braking power) or to the masts age. It measures the true slewing speed to the ground (and not to the masthead) and leads to an improved braking of the slewing motion. 1, record 16, English, - gyrometric%20sensor
Record 16, French
Record 16, Domaine(s)
- Applications de l'électronique
- Mesures électroniques
- Instruments de navigation
Record 16, Main entry term, French
- capteur gyrométrique
1, record 16, French, capteur%20gyrom%C3%A9trique
correct, masculine noun
Record 16, Abbreviations, French
Record 16, Synonyms, French
Record 16, Textual support, French
Record number: 16, Textual support number: 1 CONT
[...] il est possible de réaliser des capteurs gyrométriques dont les performances sont caractérisées par une erreur de facteur d’échelle pouvant être inférieure à 10-6, une dérive angulaire de l'ordre de quelques millièmes de degré par heure, pendant quelques heures, un domaine de mesure pouvant dépasser 360 degrés par seconde. Ces caractéristiques ont notamment autorisé la réalisation de navigateurs inertiels(sans plate-forme stabilisée) destinés aux avions civils et militaires ainsi qu'à des lanceurs spatiaux comme Ariane IV et V. 2, record 16, French, - capteur%20gyrom%C3%A9trique
Record number: 16, Textual support number: 2 CONT
Le capteur gyrométrique est utile (parfois nécessaire) pour les grues à forte torsion de mât, que ce soit en raison de la conception (hauteur, force de freinage) ou de la plus ou moins grande usure des jonctions de la mâture. Il permet de mesurer la vraie vitesse d’orientation de la flèche par rapport au sol et d’améliorer l’arrêt de l’orientation. 3, record 16, French, - capteur%20gyrom%C3%A9trique
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 2001-08-23
Record 17, English
Record 17, Subject field(s)
- Lasers and Masers
- Navigation Instruments
Record 17, Main entry term, English
- inertial grade laser gyro
1, record 17, English, inertial%20grade%20laser%20gyro
correct
Record 17, Abbreviations, English
Record 17, Synonyms, English
- inertial quality laser gyro 1, record 17, English, inertial%20quality%20laser%20gyro
correct
- inertial grade RLG 2, record 17, English, inertial%20grade%20RLG
correct
- inertial quality RLG 2, record 17, English, inertial%20quality%20RLG
correct
Record 17, Textual support, English
Record number: 17, Textual support number: 1 CONT
... the greater the pathlength, the greater the accuracy. For this reason, inertial grade (or quality) RLGs [ring laser gyros] are normally larger than ... missile grade RLGs. 2, record 17, English, - inertial%20grade%20laser%20gyro
Record number: 17, Textual support number: 1 OBS
laser gyro: A gyro in which two laser beams travel in opposite directions over a ring-shaped path formed by three or more mirrors; rotation is thus measured without the use of a spinning mass. Also known as ring laser. 3, record 17, English, - inertial%20grade%20laser%20gyro
Record 17, Key term(s)
- inertial type laser gyro
- inertial grade ring laser gyroscope
- inertial quality ring laser gyroscope
Record 17, French
Record 17, Domaine(s)
- Masers et lasers
- Instruments de navigation
Record 17, Main entry term, French
- gyrolaser de classe inertielle
1, record 17, French, gyrolaser%20de%20classe%20inertielle
correct, masculine noun
Record 17, Abbreviations, French
Record 17, Synonyms, French
- gyrolaser de qualité inertielle 2, record 17, French, gyrolaser%20de%20qualit%C3%A9%20inertielle
correct, masculine noun
Record 17, Textual support, French
Record number: 17, Textual support number: 1 CONT
La Sagem intègre dans ses systèmes de guidage et de navigation trois types de gyrolaser de classe inertielle, de périmètre 8, 16 et 32 cm. Les appareils fournissent directement une information d’angle sous forme d’incréments. L’incrément d’angle est fonction de la longueur d’onde optique et du périmètre du gyroscope. 1, record 17, French, - gyrolaser%20de%20classe%20inertielle
Record number: 17, Textual support number: 1 OBS
Les gyroscopes vibrants représentent aujoud’hui une nouvelle et importante technologie inertielle, non seulement parce que, pour certains d’entre eux, ils ont montré leur capacité à être très performants (on dit alors qu’ils sont de classe inertielle), mais que surtout, dans les autres technologies dites «solid state» (gyroscopes laser et à fibre optique), les gyroscopes n’ont pas la même aptitude que les gyroscopes vibrants à être miniaturisés et fabriqués à des coûts faibles. 1, record 17, French, - gyrolaser%20de%20classe%20inertielle
Record number: 17, Textual support number: 2 OBS
La plate-forme à cercles de suspension à trois axes, stabilisée par gyroscope, utilise deux gyroscopes accordés qui ont deux degrés de liberté, un rotor libre, de qualité inertielle, ainsi que trois accéléromètres à pendules. 3, record 17, French, - gyrolaser%20de%20classe%20inertielle
Record 17, Key term(s)
- gyrolaser de type inertiel
Record 17, Spanish
Record 17, Textual support, Spanish
Record 18 - internal organization data 2001-06-21
Record 18, English
Record 18, Subject field(s)
- Lasers and Masers
- Navigation Instruments
- Missiles and Rockets
Record 18, Main entry term, English
- missile grade RLG
1, record 18, English, missile%20grade%20RLG
correct
Record 18, Abbreviations, English
Record 18, Synonyms, English
Record 18, Textual support, English
Record number: 18, Textual support number: 1 CONT
... the greater the pathlength, the greater the accuracy. For this reason, inertial grade (or quality) RLGs [ring laser gyro] are normally larger than ... missile grade RLGs. 1, record 18, English, - missile%20grade%20RLG
Record 18, Key term(s)
- missile quality ring laser gyroscope
- missile quality RLG
- missile grade ring laser gyroscope
Record 18, French
Record 18, Domaine(s)
- Masers et lasers
- Instruments de navigation
- Missiles et roquettes
Record 18, Main entry term, French
- gyrolaser de classe missile
1, record 18, French, gyrolaser%20de%20classe%20missile
masculine noun
Record 18, Abbreviations, French
Record 18, Synonyms, French
- gyrolaser de qualité missile 1, record 18, French, gyrolaser%20de%20qualit%C3%A9%20missile
masculine noun
Record 18, Textual support, French
Record number: 18, Textual support number: 1 OBS
Les gyroscopes vibrants représentent aujourd’hui une nouvelle et importante technologie inertielle, non seulement parce que, pour certains d’entre eux, ils ont montré leur capacité à être très performants (on dit alors qu’ils sont de classe inertielle), mais que surtout, dans les autres technologies dites «solid state» [...] les gyroscopes n’ont pas la même aptitude que les gyroscopes vibrants à être miniaturisés [...] 2, record 18, French, - gyrolaser%20de%20classe%20missile
Record number: 18, Textual support number: 2 OBS
La plate-forme à cercles de suspension à trois axes, stabilisée par gyroscope, utilise deux gyroscopes accordés qui ont deux degrés de liberté, un rotor libre, de qualité inertielle, ainsi que trois accéléromètres à pendules. 3, record 18, French, - gyrolaser%20de%20classe%20missile
Record 18, Spanish
Record 18, Textual support, Spanish
Record 19 - internal organization data 1980-08-21
Record 19, English
Record 19, Subject field(s)
- Aeroindustry
Record 19, Main entry term, English
- initial alignment
1, record 19, English, initial%20alignment
correct
Record 19, Abbreviations, English
Record 19, Synonyms, English
Record 19, Textual support, English
Record number: 19, Textual support number: 1 CONT
Accurate initial alignment, without the use of external references, is accomplished within a 10-minute reaction time. 1, record 19, English, - initial%20alignment
Record 19, French
Record 19, Domaine(s)
- Constructions aéronautiques
Record 19, Main entry term, French
- alignement initial
1, record 19, French, alignement%20initial
correct, masculine noun
Record 19, Abbreviations, French
Record 19, Synonyms, French
- érection 1, record 19, French, %C3%A9rection
correct, feminine noun
Record 19, Textual support, French
Record number: 19, Textual support number: 1 CONT
Dans le cas d’un système avec plate-forme stabilisée, l'alignement initial, ou "érection", a pour but de lui assurer une orientation correcte à l'instant où commence la navigation. 1, record 19, French, - alignement%20initial
Record 19, Spanish
Record 19, Textual support, Spanish
Record 20 - internal organization data 1976-06-19
Record 20, English
Record 20, Subject field(s)
- Aeroindustry
Record 20, Main entry term, English
- gimbal flipping 1, record 20, English, gimbal%20flipping
Record 20, Abbreviations, English
Record 20, Synonyms, English
Record 20, Textual support, English
Record 20, French
Record 20, Domaine(s)
- Constructions aéronautiques
Record 20, Main entry term, French
- rotation des cadres
1, record 20, French, rotation%20des%20cadres
feminine noun
Record 20, Abbreviations, French
Record 20, Synonyms, French
Record 20, Textual support, French
Record number: 20, Textual support number: 1 OBS
plate-forme stabilisée 1, record 20, French, - rotation%20des%20cadres
Record 20, Spanish
Record 20, Textual support, Spanish
Record 21 - internal organization data 1976-06-19
Record 21, English
Record 21, Subject field(s)
- Aeroindustry
Record 21, Main entry term, English
- roll gimbal servomotor 1, record 21, English, roll%20gimbal%20servomotor
Record 21, Abbreviations, English
Record 21, Synonyms, English
Record 21, Textual support, English
Record 21, French
Record 21, Domaine(s)
- Constructions aéronautiques
Record 21, Main entry term, French
- servomoteur de cadre de roulis
1, record 21, French, servomoteur%20de%20cadre%20de%20roulis
masculine noun
Record 21, Abbreviations, French
Record 21, Synonyms, French
Record 21, Textual support, French
Record number: 21, Textual support number: 1 OBS
plate-forme stabilisée. 1, record 21, French, - servomoteur%20de%20cadre%20de%20roulis
Record 21, Spanish
Record 21, Textual support, Spanish
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