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Control SystemsState Space

The observability matrix for an n-state system begins as?

  • A[C; CA; CA²; ...; CA^(n-1)]
  • B[B; AB; A²B; ...]
  • C[A; B; C]
  • D[D; CD] only
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Correct Answer: A. [C; CA; CA²; ...; CA^(n-1)]
Explanation: The standard observability matrix is formed by stacking C, CA, CA², ..., CA^(n-1).
Reference: Standard control systems: state space
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