L1 adaptive control within a flight envelope protection system

Hanmin Lee, Steven Snyder, Naira Hovakimyan

Research output: Contribution to journalArticle

Abstract

AnL1 adaptive control augmentation is presented for desired systems containing a feedforward term and is applied to a C∗controller within a flight envelope protection system for a transport-class aircraft. By recovering the baseline controller's nominal performance in the presence of failures and disturbances, the proposed controller is able to improve aircraft performance, reducing pilot workload and allowing pilots to focus their attention on determining a course of action to prevent the offnominal condition from propagating into a loss-of-control sequence. Combined with the flight envelope protection system and other technologies, the proposed algorithm can form an integrated system for preventing aircraft loss of control. Nonlinear simulation results show the efficacy of the proposed control law.

Original languageEnglish (US)
Pages (from-to)1013-1026
Number of pages14
JournalJournal of Guidance, Control, and Dynamics
Volume40
Issue number4
DOIs
StatePublished - 2017

ASJC Scopus subject areas

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

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