I.J. Haas’s research while affiliated with Christian Brothers University and other places

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Publications (3)


An Extension of Oppelt's Stability Criterion Based on the Method of Two Hodographs
  • Article

February 1965

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92 Reads

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9 Citations

IEEE Transactions on Automatic Control

C.F. Chen

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I.J. Haas

First Page of the Article



Citations (1)


... The dual-locus diagram in this case, L 1 (s) = G(s) and L 2 (s) = e τ1s , is shown in Figure 2 for ω = 0 ∼ +∞. A similar dual-locus diagram was used in [7], but here we can recover the phase angle (equal to the phase difference between the two loci) in the Nyquist plot. The locus L 1 starts inside the locus L 2 and moves outside of L 2 at ω A then moves inside L 2 at ω B . ...

Reference:

Stability analysis of low-order combustion systems
An Extension of Oppelt's Stability Criterion Based on the Method of Two Hodographs
  • Citing Article
  • February 1965

IEEE Transactions on Automatic Control