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TARGET ATTITUDE [10 records]

Record 1 2025-02-04

English

Subject field(s)
  • Applications of Automation
  • Astronautics
  • Collaboration with WIPO
CONT

Some papers selected single-arm space robots as actuators to touch and capture the target spacecraft in space. The in-orbit screw-driving manipulation by a single-arm space robot... can cause the rotation and translation of the target spacecraft. Since the target is a free-floating spacecraft that is not a fixed object on the ground, the target will have reactive translational motion and rotation when external forces and torques are applied to the target spacecraft during the screwdriving process. However, the translation and rotation of the target spacecraft can influence the control accuracy of the space robot, which may lead to failures during the screw-driving process. Unlike single-arm space robots, dual-arm space robots can use the cooperation of the two arms to accomplish more complicated space tasks effectively. Therefore, dual-arm space robots can be introduced to carry out the in-orbit screw-driving operation by the mission arm and maintain the position and attitude of the target spacecraft by the other arm.

OBS

single-arm space robot: designation validated by Canadian subject-matter experts from Polytechnique Montréal and the Canadian Space Agency.

Key term(s)
  • single arm space robot
  • SearchOnlyKey1

French

Domaine(s)
  • Automatisation et applications
  • Astronautique
  • Collaboration avec l'OMPI
OBS

robot spatial à un bras : désignation validée par des spécialistes canadiens de Polytechnique Montréal et de l'Agence spatiale canadienne.

Spanish

Campo(s) temático(s)
  • Automatización y aplicaciones
  • Astronáutica
  • Colaboración con la OMPI
Save record 1

Record 2 2025-02-04

English

Subject field(s)
  • Applications of Automation
  • Spacecraft
  • Collaboration with WIPO
CONT

Dual-arm space robots are more capable of implementing complex space tasks compared with single arm space robots. However, the dynamic coupling between the arms and the base will have a serious impact on the spacecraft attitude and the hand motion of each arm. Instead of considering one arm as the mission arm and the other as the balance arm, in this work two arms of the space robot perform as mission arms aimed at accomplishing secure capture of a floating target.

OBS

dual-arm space robot: designation validated by Canadian subject-matter experts from Polytechnique Montréal and the Canadian Space Agency.

Key term(s)
  • dual arm space robot
  • SearchOnlyKey1

French

Domaine(s)
  • Automatisation et applications
  • Engins spatiaux
  • Collaboration avec l'OMPI
OBS

robot spatial à deux bras : désignation validée par des spécialistes canadiens de Polytechnique Montréal et de l'Agence spatiale canadienne.

Spanish

Campo(s) temático(s)
  • Automatización y aplicaciones
  • Naves espaciales
  • Colaboración con la OMPI
Save record 2

Record 3 2025-02-04

English

Subject field(s)
  • The Stars (Astronomy)
  • Optics
  • Interplanetary Space Exploration
  • Collaboration with WIPO
CONT

... the term "target star" means a star being observed for scientific purposes, such as for detecting an exoplanet, and the term "guide star" means a star that is observed near the target star. A guide star may be used, for example, as a reference point for satellite attitude control and/or image jitter control.

Key term(s)
  • SearchOnlyKey1

French

Domaine(s)
  • Étoiles (Astronomie)
  • Optique
  • Exploration interplanétaire
  • Collaboration avec l'OMPI
CONT

Les développements récents visent d'une part à augmenter la qualité de la correction afin d'imager des exoplanètes, et d'autre part à étendre le champ corrigeable. [...] l'OA [optique adaptative] peut souffrir de deux limitations importantes dues à la luminosité limitée des sources astronomiques et aux effets d'anisoplanétisme [...] En effet, l'AFO [analyseur de front d'onde] doit détecter une certaine quantité de photons pour effectuer correctement la mesure. Il faut donc disposer d'une source suffisamment brillante, dite étoile guide. Souvent l'objet observé est trop faiblement lumineux, il faut alors chercher une étoile brillante environnante mais hélas à proximité immédiate à cause de l'anisoplanétisme, réduisant sérieusement la couverture du ciel.

Spanish

Campo(s) temático(s)
  • Estrellas (Astronomía)
  • Óptica
  • Exploración interplanetaria
  • Colaboración con la OMPI
CONT

El sistema de óptica activa supervisa constantemente la calidad óptica de la imagen usando una estrella de referencia cercana al objeto que se está estudiando y controla la posición relativa y la forma de los espejos.

OBS

estrella de referencia: designación validada por un experto de la Comisión de Terminología, Sociedad Española de Astronomía, España.

Save record 3

Record 4 2007-02-06

English

Subject field(s)
  • Launching and Space Maneuvering
DEF

The spacecraft flight period during which altitude and speed increase due to propulsion.

CONT

The ascent guidance function is responsible for commanding attitude, throttle and setting during the powered ascent phase of flight so that the vehicle attains target cutoff conditions in a near-optimal manner while satisfying path constraints such as maximum allowed bending moment and maximum allowed axial acceleration.

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
DEF

Période du vol d'un véhicule aérospatial au cours de laquelle l'altitude et la vitesse croissent sous l'effet de la propulsion.

Spanish

Save record 4

Record 5 2003-07-09

English

Subject field(s)
  • Aircraft Piloting and Navigation
CONT

Altitude error gives incorrect distance from target and attitude error of pitch gives incorrect errors in angles of deflection and incidence...

French

Domaine(s)
  • Pilotage et navigation aérienne

Spanish

Save record 5

Record 6 2003-03-26

English

Subject field(s)
  • Scientific Instruments
  • Spacecraft
CONT

A small, specially-marked satellite, the Canadian Target Assembly(CTA) was deployed on flight day nine to support SVS [Space Vision System]. Also in cargo bay, the Attitude Sensor Package, featuring three European Space Agency independent sensors mounted on a Hitchhiker plate in cargo bay : Modular Star Sensor, Yaw Earth Sensor and Low Altitude Conical Earth Sensor, and the Tank Pressure Control Experiment/Thermal Phenomena(TPCE/TP), contained in a Get Away Special(GAS) canister.

French

Domaine(s)
  • Instruments scientifiques
  • Engins spatiaux

Spanish

Save record 6

Record 7 2003-02-24

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

For missions requiring full three-axis attitude control, the SSTL [Surrey Satellite Technology Ltd. ] Microsatellite can be equipped with a zero-bias reaction-wheel attitude control system fed by a single SSTL Astrolabe star camera for attitude determination. This system can attain pointing accuracy of 1 arc-minute in all axes. It can be designed for astronomical pointing, Sun pointing, or Earth pointing with slewing and target tracking.

Key term(s)
  • three axis control

French

Domaine(s)
  • Lancement et manœuvres dans l'espace

Spanish

Save record 7

Record 8 2001-01-25

English

Subject field(s)
  • Armour
  • Tracked Vehicles (Military)
DEF

A tank attitude sensor which generates an electrical signal when a moving target is tracked.

French

Domaine(s)
  • Arme blindée
  • Véhicules chenillés (Militaire)
DEF

Capteur générant un signal électrique lorsqu'on suit un objectif mobile.

OBS

S'applique au LEOPARD.

OBS

capteur de vitesse angulaire : terme et définition uniformisés par le Comité de terminologie française du Conseil de doctrine et de tactique de l'Armée de terre.

Spanish

Save record 8

Record 9 1999-03-23

English

Subject field(s)
  • Examinations and Competitions (Education)
CONT

Another factor that will affect the degree to which the target will be influenced by a persuasive message is the amount of ego-involvement the individual has with the issue. Sherif & Cantril(1947) stated that if the attitude is highly entwined with one's ego, the more resistant it will be to change.

French

Domaine(s)
  • Docimologie

Spanish

Save record 9

Record 10 1989-11-02

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 10

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