TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

Equipment that automatically stabilizes the attitude of an aircraft about its pitch, roll, and yaw axes and keeps it on a predetermined heading.  9, record 1, English, - automatic%20pilot

Record number: 1, Textual support number: 1 CONT

The gyropilot, commonly called an automatic pilot, 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 rudder control for azimuth and sudden change in heading(yaw) disturbances, aileron control for roll disturbance, and elevator control for pitch disturbance. In modern gyropilots rate detection forms the principal reference and displacement detection plays a secondary role.  6, record 1, English, - automatic%20pilot

Record number: 1, Textual support number: 1 OBS

automatic pilot; autopilot: terms officially approved by the International Civil Aviation Organization (ICAO).  10, record 1, English, - automatic%20pilot

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Asservissement permettant d'automatiser le processus de correction de vol pour maintenir l'appareil sur une trajectoire sélectionnée.  5, record 1, French, - pilote%20automatique

Record number: 1, Textual support number: 1 OBS

La sélection peut s'effectuer au travers du Directeur de Vol (FD), ou directement à partir des indicateurs (Altimètre, cap, VOR/ILS).  5, record 1, French, - pilote%20automatique

Record number: 1, Textual support number: 2 OBS

système de pilotage automatique : terme accepté par le Comité d'étude de la terminologie des cartes de travail du DC-9.  6, record 1, French, - pilote%20automatique

Record number: 1, Textual support number: 3 OBS

pilote automatique; PA : terme et abréviation uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes; terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.  7, record 1, French, - pilote%20automatique

Record number: 1, Textual support number: 4 OBS

pilote automatique : terme uniformisé par l'Organisation de l'aviation civile internationale (OACI).  8, record 1, French, - pilote%20automatique

Record number: 1, Textual support number: 1 PHR

PA numérique.  9, record 1, French, - pilote%20automatique

Record 1,  Textual support,  Spanish

Record number: 1, Textual support number: 1 OBS

piloto automático: término aceptado oficialmente por la Organización de Aviación Civil Internacional (OACI).  2, record 1, Spanish, - piloto%20autom%C3%A1tico

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

A relatively new technology is the electronically controlled "active differential. "An electronic control unit(ECU) uses inputs from multiple sensors including yaw rate, steering input angle, and lateral acceleration, and adjusts the distribution of torque to compensate for undesirable handling behaviours like understeer.  1, record 2, English, - active%20differential

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

Différentiel actif. Piloté par l’électronique, ce type de différentiel envoie la puissance sur les roues disposant de la meilleure adhérence. Sur certains modèles [de voitures], il est aussi capable d’accélérer la roue arrière extérieure au virage. Il est ainsi possible d’éviter le sous-virage pour améliorer l’agilité et retarder l’action de l'antidérapage.  1, record 2, French, - diff%C3%A9rentiel%20actif

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, 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 3, English, - azimuth%20gyroscope

Record number: 3, 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 3, English, - azimuth%20gyroscope

Record number: 3, Textual support number: 3 CONT

azimuth gyro: term used at Natural Resources Canada - Earth Sciences Sector.  4, record 3, English, - azimuth%20gyroscope

Record number: 3, Textual support number: 1 PHR

Azimuth gyro drift rate.  5, record 3, English, - azimuth%20gyroscope

Record 3,  Textual support,  French

Record number: 3, 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 3, French, - gyroscope%20d%27azimut

Record number: 3, Textual support number: 1 OBS

gyroscope d'azimut : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  4, record 3, French, - gyroscope%20d%27azimut

Record number: 3, Textual support number: 1 PHR

Vitesse de dérive du gyroscope d'azimut.  5, record 3, French, - gyroscope%20d%27azimut

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

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 5, English, - roll%20component

Record number: 5, 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 5, English, - roll%20component

Record 5,  Textual support,  French

Record number: 5, 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 5, French, - composante%20en%20roulis

Record number: 5, 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 5, French, - composante%20en%20roulis

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, 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 6, English, - pitch%20component

Record number: 6, 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 6, English, - pitch%20component

Record 6,  Textual support,  French

Record number: 6, 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 6, French, - composante%20en%20tangage

Record number: 6, 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 6, French, - composante%20en%20tangage

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 CONT

The gyroscopic frame is responsible for the stabilization of the platform. Three rate gyroscopes are fitted in the frame with their input axes mutually perpendicular... Pitch, roll, and yaw are detected by the three gyroscope input axes. The gimbal deflection of each of the gyroscopes is converted into a signal voltage that, when amplified, drives a servomotor which, via a gear train, rotates the frame back to its original position.  2, record 7, English, - gimbal%20deflection

Record 7,  Textual support,  French

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 CONT

The gyropilot, commonly called an automatic pilot(q. v.), consists basically of three devices, each of which detects disturbances for the aircraft in one plane and corrects for these disturbances by moving the appropriate control : the rudder control for azimuth and sudden change in heading(yaw) disturbances, aileron control for roll disturbance, and elevator control for pitch disturbance. In modern gyropilots rate detection forms the principal reference and displacements detection plays a secondary role. In such designs yaw disturbance is detected by a rate gyroscope and the change in heading is detected by the associated gyrocompass.  1, record 8, English, - yaw%20disturbance

Record number: 8, Textual support number: 1 OBS

yaw: The rotational or oscillatory movement of a ship, aircraft, rocket, or the like about a vertical axis.  3, record 8, English, - yaw%20disturbance

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 CONT

La stéréoscopie est obtenue à partir de visées acquises selon des dépointages latéraux différents [...]. De ce fait les deux images du couple sont acquises au cours d'orbites différentes. [...] La stéréoscopie latérale est affectée par les perturbations d'attitude en roulis. [...] La stéréoscopie longitudinale est affectée par les perturbations d'attitude en tangage et lacet.  1, record 8, French, - perturbation%20d%27attitude%20en%20lacet

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 OBS

The Yaw Washout Network accomplishes washout of signals which are sustained or of a steady state nature as those resulting from a constant rate turn, preventing a standoff rudder which would uncoordinate the turn.  1, record 10, English, - standoff%20rudder

Record number: 10, Textual support number: 2 OBS

The complete source code is MECAR-SE-210E,1970,1,22-11-0,2  2, record 10, English, - standoff%20rudder

Record 10,  Textual support,  French

Record number: 10, Textual support number: 1 OBS

[Le circuit d'effacement] élimine les signaux à caractère constant afin d'éviter une réaction de la chaîne de lacet pendant un virage coordonné.  1, record 10, French, - r%C3%A9action%20de%20la%20cha%C3%AEne%20de%20lacet

Record number: 10, Textual support number: 2 OBS

Le code de source complet est MECAR-SE-210F,1972,1,22-11-0,2  2, record 10, French, - r%C3%A9action%20de%20la%20cha%C3%AEne%20de%20lacet

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 OBS

The [yaw rate gyro] signal is routed through the washout high-pass filter which passes only high-frequency signals which are then amplified and applied to the power demodulator.  1, record 11, English, - washout%20high%2Dpass%20filter

Record 11,  Textual support,  French

Record 11,  Textual support,  Spanish