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A Comparision of Some Discretization Algorithms on Board Computer
Pages: 40-51
Year: Issue:  2
Journal: Aerospace Control

Keyword:  On-board computer Discretization Algorithm.;
Abstract: In this paper, some algorithms for discretization of continuous-time systems are compared. It is shown that the algorithm of invariant step-response is better than othres in practical engineering applications. The equivalency between the discretization difference and state-space equations is discussed here. Finally it is illustrated that a attitude controller of three axes stabilized satellite with liguid slosh and flexible solar array is quite complex and the computing complexity and workload onboard compnter (OBC) is very much, thus should be preventing calculating saturation of OBC and taking the truncation error effect into account.
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