The Edge Vector Test (EVT) is a very important and practical redundant management algorithm for Redundant Strapdown Inertial Measurement Sys-tems (RSIMS) composed of Two Degree of Freedom gyros.
The characteristic of the instantaneous stable structure is that the structure's freedomdegree is equal to zero, but still the structure remains a redundant constraint.
瞬变结构的特点是尽管自由度等于零，但仍有多余约束。
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The characteristic of the instantaneous stable structure is that the structures freedomdegree is equal to zero, but still the structure remains a redundant constraint.