Error analysis and a new steering law design for spacecraft control system using SGCMGs |
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Authors: | Jin Jin Jing-Rui Zhang and Zao-Zhen Liu |
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Institution: | Jin Jin · Jing-Rui Zhang · Zao-Zhen Liu Beijing Institute of Technology,School of Aerospace Engineering,100081 Beijing,China |
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Abstract: | Based on the singular value decomposition theory,this paper analyzed the mechanism of escaping/avoiding singularity using generalized and weighted singularity-robust steering laws for a spacecraft that uses single gimbal control moment gyros (SGCMGs) as the actuator for the attitude control system.The expression of output-torque error is given at the point of singularity,proving the incompatible relationship between the gimbal rate and the output-torque error.The method of establishing a balance between the... |
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Keywords: | Single gimbal control moment gyros (SGCMGs) · Attitude control · Singularity analysis · Steering law |
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