Some effects of parameter variations on the lateral-directional stability of aircraft

Robert F. Stengel

Research output: Contribution to journalArticle

46 Scopus citations

Abstract

Methods of analyzing the effects of aerodynamic uncertainties on the stability of lateral-directional motions are presented. Truncated and “residualized” reduced-order models of the motion are developed. Together with covariance analysis, these models provide simplified estimates of the probability of instability. A Space Shuttle entry flight condition is examined with this technique, and the predicted probability of open-loop instability is found to be low (< 0.0001). Monte Carlo stability analysis illustrates that closed-loop control can increase the probability of instability as a consequence of uncertainty in the control derivatives.

Original languageEnglish (US)
Pages (from-to)124-131
Number of pages8
JournalJournal of Guidance, Control, and Dynamics
Volume3
Issue number2
DOIs
StatePublished - Jan 1 1980

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering
  • Applied Mathematics

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