A redundant inertial measuring unit (IMU) incorporating six strapdown laser gyros and six accelerometers, arranged so that sensitive axes are normal to the faces of a dodecahedron, provides enhanced reliability with reduced hardware weight. Software monitoring of sensor outputs senses failure of sensors and the system is designed for triple redundancy, with built-in test equipment. Attention is centered on redundancy and fail-safe features, and on the closed-path ring laser gyro arrangement.
Space Tug laser gyro IMU
Meeting on Space Shuttle Missions of the 80''s ; 1975 ; Denver, CO
1975-08-01
Conference paper
No indication
English
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