2010 | OriginalPaper | Buchkapitel
The basic of guidance and navigation
Erschienen in: The Apollo Guidance Computer
Verlag: Praxis
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Alone by itself, the computer is blind to the world around it, lacking the most basic information on orientation and the accelerations that the spacecraft undergoes. Without a source for this data, the AGC’s role of guidance computer is invalidated. Two additional components are necessary for a completely integrated guidance, navigation and control package: an Inertial Measurement Unit (IMU) to provide both attitude and acceleration data, and an optics system to initialize the platform and perform navigation fixes using stellar observations.