A flight envelope protection method based on potential functions

Donglei Sun, Xiao Li, Hamidreza Jafarnejadsani, Naira Hovakimyan

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

7 Citations (Scopus)

Abstract

This paper presents a flight envelope protection method for aircraft. Specifically, a bank angle protection strategy is proposed and analyzed using potential functions and gradient descent algorithm. In the proposed method, the flight envelope limit is treated as an obstacle in the state-space, and a repulsive potential function is defined in the proximity to this obstacle, generating a repellent control command to prevent the state from violating the limit. One advantage of this method is that no prediction of limit violation is required, and only limited information about the system dynamics is needed to tune the algorithm. The designer can balance protection performance and pilot authority by changing the triggering point of the algorithm. Exponential stability is proved for the closed-loop system and simulation example of bank angle protection of a linearized aircraft (NASA's Transport Class) model is provided to verify the effectiveness of the algorithm.

Original languageEnglish
Title of host publicationAIAA Guidance, Navigation, and Control Conference, 2017
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624104503
DOIs
Publication statusPublished - 2017
Externally publishedYes
EventAIAA Guidance, Navigation, and Control Conference, 2017 - Grapevine, United States
Duration: 9 Jan 201713 Jan 2017

Publication series

NameAIAA Guidance, Navigation, and Control Conference, 2017

Conference

ConferenceAIAA Guidance, Navigation, and Control Conference, 2017
Country/TerritoryUnited States
CityGrapevine
Period9/01/1713/01/17

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Aerospace Engineering

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