Minimal Order Observers for Estimating Linear Functions of a State Vector

  title={Minimal Order Observers for Estimating Linear Functions of a State Vector},
  author={John B. Moore and Gerard Ledwich},
Abstmd—Tlds paper studies the ssecewary and sufficient eondftfons for a ptb-order observer to observe linear frnsctfons of the states of a linear dynandcaf system. Tbe conditions are a set of mrdtivarissble polynomial equations wbiefr must be satisfied for some vsriable set in order for a pth-order observer to exist. It is possible to test for the existence of srrch a varfable set bs a ffrdte number of steps via decision methods and thereby to eonstruet ass observer with tbe aid of polynoodaf… CONTINUE READING
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