Attitude control system
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In spaceflight, the attitude control system (ACS) or attitude determination and control (ADAC) system of a spacecraft consists of equipment to measure, report and change the orientation of the vehicle.[1]
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[edit] Components
Some components of the attitude control system include:[citation needed]
- Momentum wheels
- Reaction wheels
- Gravity gradient booms
- Magnetorquer
- Control moment gyroscopes
- Reaction control systems
Attitude sensors such as gyroscopes, rate gyros (in spacecraft this is called Astrionics)[citation needed]
[edit] See also
[edit] Dynamics
Main article: Attitude dynamics and control
The ACS causes torques, which spin the spacecraft. With an accurate model of the dynamics of the spacecraft, those torques can be used to control the spacecraft's attitude.[citation needed]
[edit] References
[edit] External links
"Scope and Subject Category Guide - Category 19 - Spacecraft Instrumentation and Astrionics". NASA. http://www.sti.nasa.gov/sscg/19.html.
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