TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

[A] gyro that tends to compensate the motion of aircraft with reference to the transverse (pitch) axis OY.  3, record 1, English, - pitch%20rate%20gyroscope

Record number: 1, Textual support number: 1 CONT

The gyropilot commonly called an automatic pilot ... The roll disturbance is detected by a roll rate gyroscope and by a roll angle pendulum, which senses displacement. The aileron servo applies corrective action. Pitch disturbance is detected by a pitch rate gyroscope and a pitch pendulum. The elevator servo applies corrective action.  1, record 1, English, - pitch%20rate%20gyroscope

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 OBS

Un gyromètre est un gyroscope qui ne possède qu'un seul cadre de suspension, c'est-à-dire un seul degré de liberté, et qui sert à mesurer une vitesse angulaire de rotation.  3, record 1, French, - gyrom%C3%A8tre%20de%20tangage

Record number: 1, Textual support number: 2 OBS

gyromètre de tangage : terme d'usage obligatoire au Bureau de la traduction du Canada.  4, record 1, French, - gyrom%C3%A8tre%20de%20tangage

Record 1,  Textual support,  Spanish

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,  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%27azimut

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%27azimut

Record number: 2, Textual support number: 1 PHR

Vitesse de dérive du gyroscope d'azimut.  5, record 2, French, - gyroscope%20d%27azimut

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 CONT

When the roll gimbal hits its stop, it precesses pitch into the other pitch stop. This process could continue throughout the first phase of rapid align. To prevent this, a rate signal is developed from the roll VG [vertical gyro] pick-off signal and fed to platform pitch gimbal servo loop. When the pitch gimbal goes into its stop and roll starts to precess, the roll pick-off signal is fed into the pitch loop to drive the pitch gimbal out of its stop.  2, record 3, English, - pitch%20loop

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 CONT

Lorsque le cardan de roulis heurte sa butée, il applique la précession de tangage à l'autre butée de tangage. Ce phénomène pourrait se reproduire pendant toute la première phase de l'alignement rapide; pour empêcher cela, un signal proportionnel est émis à partir du signal détecteur de roulis du VG [gyroscope de verticale] et envoyé à la boucle d'asservissement du cardan de tangage de la plate-forme. Lorsque le cardan de tangage heurte sa butée et que le cardan de roulis commence sa précession, le signal détecteur de roulis est envoyé à la boucle de tangage pour éloigner le cardan de tangage de sa butée.  1, record 3, French, - boucle%20de%20tangage

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

Each SRB [solid rocket booster] contains two RGAs [rate gyro assembly], with each RGA containing one pitch and one yaw gyro. These provide an output proportional to angular rates about the pitch and yaw axes to the orbiter computers and guidance, navigation and control system during first-stage ascent flight in conjunction with the orbiter roll rate gyros until SRB separation.  3, record 4, English, - yaw%20gyroscope

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 CONT

Les premiers vols se sont avérés critiques surtout que nous n'avions qu'un gyro en tangage, pas de barre de Bell et une tête rigide. [...] pour le confort de pilotage, un gyro de lacet s'est vite avéré indispensable.  2, record 4, French, - gyroscope%20de%20lacet

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 CONT

When the roll gimbal hits its stop, it precesses pitch into the other pitch stop. This process could continue throughout the first phase of rapid align. To prevent this, a rate signal is developed from the roll VG [vertical gyro] pick-off signal and fed to platform pitch gimbal servo loop. When the pitch gimbal goes into its stop and roll starts to precess, the roll pick-off signal is fed into the pitch loop to drive the pitch gimbal out of its stop.  1, record 5, English, - platform%20pitch%20gimbal%20servo%20loop

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 CONT

Lorsque le cardan de roulis heurte sa butée, il applique la précession de tangage à l'autre butée de tangage. Ce phénomène pourrait se reproduire pendant toute la première phase de l'alignement rapide; pour empêcher cela, un signal proportionnel est émis à partir du signal détecteur de roulis du VG [gyroscope de verticale] et envoyé à la boucle d'asservissement du cardan de tangage de la plate-forme. Lorsque le cardan de tangage heurte sa butée et que le cardan de roulis commence sa précession, le signal détecteur de roulis est envoyé à la boucle de tangage pour éloigner le cardan de tangage de sa butée.  1, record 5, French, - boucle%20d%27asservissement%20du%20cardan%20de%20tangage%20de%20la%20plate%2Dforme

Record number: 5, Textual support number: 1 OBS

Pluriel : des plateformes, des plates-formes.  2, record 5, French, - boucle%20d%27asservissement%20du%20cardan%20de%20tangage%20de%20la%20plate%2Dforme

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, - boucle%20d%27asservissement%20du%20cardan%20de%20tangage%20de%20la%20plate%2Dforme

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

An error in gyro output due to cross-coupling and acceleration encountered during vehicle turns.  3, record 6, English, - turn%20error

Record number: 6, Textual support number: 1 CONT

Principal Attitude Indicator Errors. Turn Error. During a normal coordinated turn, centrifugal force causes the gyro to precess toward the inside of the turn. This precession increases as the bank steepens; therefore, it is greatest during the actual turn. The error disappears as the aircraft rolls out at the end of a 180 degrees turn at a normal rollout rate. Therefore, when performing a steep turn, the pilot may use the attitude indicator for rolling in and out of the turn, but should use other instruments(VSI and altimeter) during the turn for specific pitch information.  4, record 6, English, - turn%20error

Record 6,  Textual support,  French

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 CONT

The basic attitude sensor was the three-gyro inertial reference package. It contained two air-tight integrating gyro units to sense pitch and yaw, and one miniature integrating gyro unit to sense roll. The pitch and roll gyros were torqued by signals obtained by two Barnes mod IIA infrared horizon sensors. Gyrocompassing oriented the vehicle to an orbit plane yaw reference by detecting a component of the programmed pitch rate through the roll horizon sensor. The geocentric pitch rate(typically 4 deg/min, for a low-altitude orbit) was programmed as a constant torque to the pitch gyro. This pitch component, if a yaw error was present, would be sensed differentially when compared with the roll components of the two horizon-sensor heads. The differential would be seen as a function of yaw error.  2, record 7, English, - roll%20component

Record number: 7, Textual support number: 2 CONT

During heading align, the rotor of the resolver is positioned so that it transforms the N-S and E-W liquid level signals into pitch and roll components which are referenced to heading. The pitch component is amplified, demodulated and summed with amplified and demodulated feedback signals from the VG [vertical gyro] roll and pitch pickoffs and the pitch synchro. The combined signal is then modulated, amplified and converted to DC [direct current] to drive the platform pitch gimbal torque motor until the input signals are nulled.  1, record 7, English, - roll%20component

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 CONT

Durant l'alignement sur le cap, le rotor du résolver est mis en position de telle sorte qu'il transforme les signaux des niveaux à liquide N.-S. et E.-O. en composantes de tangage et de roulis en référence au cap. La composante de tangage est amplifiée, démodulée et composée avec des signaux de réaction amplifiés et démodulés venant des capteurs de roulis et de tangage du VG [gyroscope directionnel] et du synchro de tangage. Ce signal composé est alors modulé, amplifié et converti en courant continu pour entraîner le moteur couple du cardan de tangage de la plate-forme jusqu'à ce que les signaux d'entrée soient annulés.  2, record 7, French, - composante%20en%20roulis

Record number: 7, Textual support number: 2 CONT

Il s'agit de la rotation galiléenne mais [...] la rotation à annuler quand on souhaite obtenir un pointage Terre parfait est la rotation relative au repère orbital de composantes en roulis, tangage et lacet.  1, record 7, French, - composante%20en%20roulis

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 CONT

The basic attitude sensor was the three-gyro inertial reference package. It contained two air-tight integrating gyro units to sense pitch and yaw, and one miniature integrating gyro unit to sense roll. The pitch and roll gyros were torqued by signals obtained by two Barnes mod IIA infrared horizon sensors. Gyrocompassing oriented the vehicle to an orbit plane yaw reference by detecting a component of the programmed pitch rate through the roll horizon sensor. The geocentric pitch rate(typically 4 deg/min, for a low-altitude orbit) was programmed as a constant torque to the pitch gyro. This pitch component, if a yaw error was present, would be sensed differentially when compared with the roll components of the two horizon-sensor heads. The differential would be seen as a function of yaw error.  2, record 8, English, - pitch%20component

Record number: 8, Textual support number: 2 CONT

During heading align, the rotor of the resolver is positioned so that it transforms the N-S and E-W liquid level signals into pitch and roll components which are referenced to heading. The pitch component is amplified, demodulated and summed with amplified and demodulated feedback signals from the VG [vertical gyro] roll and pitch pickoffs and the pitch synchro. The combined signal is then modulated, amplified and converted to DC [direct current] to drive the platform pitch gimbal torque motor until the input signals are nulled.  3, record 8, English, - pitch%20component

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 CONT

Durant l'alignement sur le cap, le rotor du résolver est mis en position de telle sorte qu'il transforme les signaux des niveaux à liquide N.-S. et E.-O. en composantes de tangage et de roulis en référence au cap. La composante de tangage est amplifiée, démodulée et composée avec des signaux de réaction amplifiés et démodulés venant des capteurs de roulis et de tangage du VG [gyroscope directionnel] et du synchro de tangage. Ce signal composé est alors modulé, amplifié et converti en courant continu pour entraîner le moteur couple du cardan de tangage de la plate-forme jusqu'à ce que les signaux d'entrée soient annulés.  2, record 8, French, - composante%20en%20tangage

Record number: 8, Textual support number: 2 CONT

[...] il s'agit de la rotation galiléenne mais [...] la rotation à annuler quand on souhaite obtenir un pointage Terre parfait est la rotation relative au repère orbital de composantes en roulis, tangage et lacet.  1, record 8, French, - composante%20en%20tangage

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 DEF

Gyro that tends to compensate the motion of aircraft [or similar body] with reference to the longitudinal (roll) axis.  5, record 9, English, - roll%20rate%20gyroscope

Record number: 9, Textual support number: 1 CONT

Roll-rate gyro. The roll-rate gyro is less sensitive than the P [pitch] and Y [yaw] rate gyros. Roll-rate control limits fast roll rates during boost, before roll stabilization takes place. This gyro damps the missile's rolling oscillations about the normal flight position.  2, record 9, English, - roll%20rate%20gyroscope

Record number: 9, Textual support number: 2 CONT

The gyropilot, commonly called an automatic pilot (q.v.), consists basically of three devices, each of which detects disturbances of the aircraft in one plane and corrects for these disturbances by moving the appropriate control ... The roll disturbance is detected by a roll rate gyroscope and by a roll angle pendulum, which senses displacement.  1, record 9, English, - roll%20rate%20gyroscope

Record number: 9, Textual support number: 1 OBS

See record "gyrometer; rate gyro.  6, record 9, English, - roll%20rate%20gyroscope

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 CONT

Le TGV pendulaire est un train de haute technologie qui offre un agrément de voyage et une vitesse sur rail inégalés à ce jour. [...] L'Unité de Contrôle de Pendulation (UCP) est implantée sur une carte bi-processeurs composée d'un processeur I960 et d'un processeur de traitement de signal TMSC31 cadencé à 32 MHz et possédant 512Ko de mémoire vive. [...] Le TMS est consacré d'une part à l'échantillonnage à 1 KHz des données capteurs provenant de l'accéléromètre et des gyromètres de roulis et de lacet situés sous le bogie de tête, et d'autre part à l'implémentation du module loi de commande à une fréquence de 100 Hz.  2, record 9, French, - gyrom%C3%A8tre%20de%20roulis

Record number: 9, Textual support number: 1 OBS

Voir la fiche «gyromètre».  3, record 9, French, - gyrom%C3%A8tre%20de%20roulis

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 CONT

With the German government research establishment DFVLR, Dornier is developing an Open-Loop Gust Alleviation(OLGA) system. Gusts are sensed by an angle of attack vane at the nose, pitch rate gyro and vertical accelerometer : gust responses are dampened by moving both ailerons up or down simultaneously in association with the elevator.  1, record 10, English, - Open%2DLoop%20Gust%20Alleviation%20system

Record 10,  Textual support,  French

Record number: 10, Textual support number: 1 CONT

A noter par ailleurs qu'il met au point, en collaboration avec l'institut de recherches DFVLR, un système amortisseur de turbulences à boucle ouverte (...)  1, record 10, French, - syst%C3%A8me%20amortisseur%20de%20turbulences%20%C3%A0%20boucle%20ouverte

Record 10,  Textual support,  Spanish