Abstract:This report investigates and compares steering laws for a control moment gyroscope (CMG) attitude control system for a spacesuit. If there is an inadequate level of control in a CMG system then the angular momentum vectors of individual CMGs may become aligned. This state, referred to as a 'singularity state', prevents the system from being able to produce torque in one or more directions. The steering law problem has been defined and the momentum envelope is presented to visualize system singularities. A l… Show more
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