TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, 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 1, English, - azimuth%20gyroscope

Record number: 1, 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 1, English, - azimuth%20gyroscope

Record number: 1, Textual support number: 3 CONT

azimuth gyro: term used at Natural Resources Canada - Earth Sciences Sector.  4, record 1, English, - azimuth%20gyroscope

Record number: 1, Textual support number: 1 PHR

Azimuth gyro drift rate.  5, record 1, English, - azimuth%20gyroscope

Record 1,  Textual support,  French

Record number: 1, 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 1, French, - gyroscope%20d%27azimut

Record number: 1, Textual support number: 1 OBS

gyroscope d'azimut : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  4, record 1, French, - gyroscope%20d%27azimut

Record number: 1, Textual support number: 1 PHR

Vitesse de dérive du gyroscope d'azimut.  5, record 1, French, - gyroscope%20d%27azimut

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

IMU(Inertial Measurement Unit) Test. A common method to align the vehicle's IMU to "the world" is by measuring the local gravity vector with the IMU's accelerometers and comparing it to the theoretical local gravity vector. The angle between the 2 vectors is the vehicle's tilt angle.  1, record 2, English, - local%20gravity%20vector

Record 2,  Textual support,  French

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 OBS

IMU is an international non-governmental and non-profit scientific organization, with the purpose of promoting international cooperation in mathematics.  2, record 3, English, - International%20Mathematical%20Union

Record 3,  Textual support,  French

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 CONT

In its simplest form, an inertial navigation system(INS) consists of an inertial measurement unit(IMU), the navigation computer, and a computer interface. Therefore, the inertial navigation system aboard an aircraft provides, through self-contained equipment, aircraft acceleration, velocity, position, attitude, and heading to the onboard navigation computer and other aircraft subsystems... For certain operations and/or missions... dual or triple redundant inertial navigation systems are required... In a dual INS configuration... as long as either inertial navigation system is providing valid data, its output can be used as the primary reference source for the navigation subsystem.  1, record 4, English, - dual%20redundant%20inertial%20navigation%20system

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 OBS

Le Grippen dispose d'un système de commande de vol électrique digitale à triple redondance et d'une centrale inertielle Honeywell.  2, record 4, French, - syst%C3%A8me%20de%20navigation%20inertielle%20%C3%A0%20double%20redondance

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 CONT

In its simplest form, an inertial navigation system(INS) consists of an inertial measurement unit(IMU), the navigation computer, and a computer interface. Therefore, the inertial navigation system aboard an aircraft provides, through self-contained equipment, aircraft acceleration, velocity, position, attitude, and heading to the onboard navigation computer and other aircraft subsystems... For certain operations and/or missions... dual or triple redundant inertial navigation systems are required.... In a dual INS configuration... as long as either inertial navigation system is providing valid data, its output can be used as the primary reference source for the navigation subsystem.  1, record 5, English, - triple%20redundant%20inertial%20navigation%20system

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 OBS

Le Grippen dispose d'un système de commande de vol électrique digitale à triple redondance et d'une centrale inertielle Honeywell.  2, record 5, French, - syst%C3%A8me%20de%20navigation%20inertielle%20%C3%A0%20triple%20redondance

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

An inertial guidance system that makes use of a three-gimbal mounting whose inner gimbal is a stable platform on which three gyroscopes and accelerometers are mounted; the gyroscopes sense any rotation of the vehicle and drive the gimbals in the opposite direction, so that the inner platform remains fixed in inertial space.  3, record 6, English, - gimbaled%20inertial%20system

Record number: 6, Textual support number: 1 CONT

Automatic Calibration of Transducers for Gimballed Inertial Navigation System on Uncontrolled Gyros. In the work a new approach to calibration of gimbaled Inertial Navigation system(INS) based on two electrostatically suspended gyros(ESG) is considered. The automatic calibration procedure of the inertial measuring unit(IMU) error models parameters, namely, the gimbal pick-off errors, is examined. The measurement errors for angle rotor position are described by equation. The gimbal pick-off errors are described by equation. The relationship between the gimbal pick-off errors and INS output errors is described by equation.  2, record 6, English, - gimbaled%20inertial%20system

Record number: 6, Textual support number: 1 OBS

Gimballed.  4, record 6, English, - gimbaled%20inertial%20system

Record number: 6, Textual support number: 2 OBS

Gimbaled.  5, record 6, English, - gimbaled%20inertial%20system

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 CONT

Un nouveau type de centrale inertielle, déjà utilisée sur des avions comme les Airbus A 310 et A 320 [...] vient concurrencer les centrales inertielles à cardans (gimbaled inertial system). Il s'agit d'une centrale dite à composants liés (sous-entendu à la structure de l'avion) appelée en anglais «strap down inertial system». Dans ce cas, en effet, les accéléromètres et les gyromètres (ou les gyroscopes) sont fixés rigidement sur la structure.  1, record 6, French, - centrale%20inertielle%20%C3%A0%20cardans

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

A computer that uses electronic or electric circuits to compute two or more navigation factors such as altitude, direction, and velocity, or to receive such data and compute course information.  4, record 7, English, - navigation%20computer

Record number: 7, Textual support number: 1 CONT

In its simplest form, an inertial navigation system(INS) consists of an inertial measurement unit(IMU), the navigation computer, and a computer interface. Therefore, the inertial navigation system aboard an aircraft provides, through self-contained equipment, aircraft acceleration, velocity position, attitude, and heading to the onboard navigation computer and other aircraft subsystems... in a convenient coordinate frame.  2, record 7, English, - navigation%20computer

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 CONT

Le programme de modernisation MirSIP des Mirages 5 est attribué à la SABCA qui travaillera en étroite collaboration avec Dassault Aviation. Il est axé principalement sur la sécurité de l'avion et sur d'autres modifications, notamment: [...] L'installation d'un système de navigation, de tir et de reconnaissance très moderne comprenant : Un télémètre laser, installé sous le nez de l'avion. La plateforme de navigation inertielle du F-16. Un calculateur de navigation et d'attaque, muni d'un écran cathodique [...]  3, record 7, French, - calculateur%20de%20navigation

Record number: 7, Textual support number: 2 CONT

Le calculateur de bombardement devait [...] déterminer en fonction des conditions de vol instantanées, le point de chute futur de la bombe, si elle était larguée à cet instant. À partir de cette donnée, constamment remise à jour, le calculateur de navigation devait donner au pilote automatique les ordres pour amener ce point à coïncider avec le but et commander automatiquement le largage de la bombe lorsque cette coïncidence était réalisée, en fournissant pour information de l'équipage le décompte des dix dernières secondes.  4, record 7, French, - calculateur%20de%20navigation

Record number: 7, Textual support number: 1 OBS

calculateur de navigation : terme d'usage obligatoire au Bureau de la traduction.  5, record 7, French, - calculateur%20de%20navigation

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 DEF

A rigid platform stabilized with respect to inertial space (through the use of attitude reference gyroscopes and servo loops) to which are mounted accelerometers.  3, record 8, English, - inertial%20measurement%20unit

Record number: 8, Textual support number: 1 CONT

The Inertial Measurement Units (IMUs) are an important part of the navigation system of the Space Shuttle. They provide attitude and velocity state information with respect to a known inertial coordinate reference. Three identical and functionally independent IMU’s are flown on board each orbiter.  4, record 8, English, - inertial%20measurement%20unit

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 DEF

mesureur inertiel : Appareil permettant de mesurer l'accélération et de calculer la position d'un engin spatial lorsqu'on a recours au guidage par inertie.  3, record 8, French, - unit%C3%A9%20de%20mesure%20inertielle

Record number: 8, Textual support number: 1 CONT

Le GNCS [Guidance, Navigation and Control System] est une combinaison de senseurs optiques, de gyroscopes et d'un ordinateur, destinés à mesurer l'attitude et la vitesse du vaisseau, ainsi que sa position dans l'espace [...] [Il] est divisé en 3 sous-systèmes : Inertiel (Inertial Subsystem, ISS). L'organe majeur de l'ISS est l'unité de mesure inertielle [...], qui fournit une plate-forme inertielle fixe. Peu importe la position du vaisseau, la plate-forme stable de l'IMU reste fixe, comme la surface de l'eau dans un verre. Dès qu'une variation est détectée, un IRIG (Inertial Rate Integrating Gyroscope) rétablit l'orientation de la plate-forme. [...] Optique (Optical Subsystem, OSS). [...] Informatique (Computer Subsystem, CSS).  4, record 8, French, - unit%C3%A9%20de%20mesure%20inertielle

Record number: 8, Textual support number: 2 CONT

Les centrales inertielles d'Ariane 5. [...] Cette centrale à composants liés comprend une unité de mesure inertielle, avec trois gyrolasers de 33 cm de périmètre et trois accéléromètres de précision, ainsi qu'une unité de traitement de données. Elle sert au guidage du lanceur et à la surveillance des paramètres de vol.  5, record 8, French, - unit%C3%A9%20de%20mesure%20inertielle

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 CONT

In its simplest form, an inertial navigation system(INS) consists of an inertial measurement unit(IMU), the navigation computer, and a computer interface. Therefore, the inertial navigation system aboard an aircraft provides, through self-contained equipment, aircraft acceleration, velocity, position, attitude, and heading to the onboard navigation computer and other aircraft subsystems... For certain operations and/or missions... dual or triple redundant inertial navigation systems are required... In a dual INS configuration... as long as either inertial navigation system is providing valid data, its output can be used as the primary reference source for the navigation subsystem.  1, record 9, English, - dual%20INS%20configuration

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 OBS

Le Grippen dispose d'un système de commande de vol électrique digitale à triple redondance et d'une centrale inertielle Honeywell.  2, record 9, French, - configuration%20navigation%20inertielle%20%C3%A0%20double%20redondance

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 DEF

A coordinate system in which a body moves with constant velocity as long as no force is acting on it.  3, record 10, English, - inertial%20coordinate%20frame

Record number: 10, Textual support number: 1 CONT

In its simplest form, an inertial navigation system(INS) consists of an inertial measurement unit(IMU), the navigation computer, and a computer interface. Therefore, the inertial navigation system aboard an aircraft provides... aircraft acceleration, velocity, position, attitude, and heading to the onboard navigation computer... The IMU... measures the specific force and attitude of the vehicle in an inertial coordinate frame. These inertial coordinates are in turn transferred to the computer, which determines the vehicle position in the desired reference frame.  4, record 10, English, - inertial%20coordinate%20frame

Record 10,  Textual support,  French

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  French

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 CONT

Une unité intermodale est un conteneur ou une semi-remorque qu'on transporte sur wagon plat une partie de son trajet. (84.02)  2, record 12, French, - unit%C3%A9%20intermodale

Record number: 12, Textual support number: 1 OBS

Terme uniformisé par le CN et CP Rail.  3, record 12, French, - unit%C3%A9%20intermodale

Record 12,  Textual support,  Spanish