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SCHULLER LOOP [1 record]

Record 1 2001-06-21

English

Subject field(s)
  • General Mechanics (Physics)
  • Aircraft Piloting and Navigation
  • Navigation Instruments
  • Flight Instruments and Equipment (Aeroindustry)
DEF

A gravity feedback which causes a stabilized platform to act in the same way as a pendulum with its mass at the earth's centre.

CONT

Most inertial platforms are mechanized ... in a "local vertical" mode, which means that the perpendicular to the stable element (inner gimbal) always points toward the center of the Earth. To accomplish this, the integrated outputs of the north and east accelerometers (vehicle velocity) are divided by the radius of the Earth and used as an additional signal to drive the gimbal torquers. This is known as a Schuler loop.

Key term(s)
  • Schuler's loop
  • Schuller loop
  • Schüller loop

French

Domaine(s)
  • Mécanique générale (Physique)
  • Pilotage et navigation aérienne
  • Instruments de navigation
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

Ce type de boucle d'asservissement est appelé « boucle de Shüller » du nom d'un physicien allemand qui étudia les pendules pesants. En effet, la plateforme ainsi stabilisée s'apparente à un pendule puisqu'elle reste toujours perpendiculaire à la verticale.

Spanish

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