publication . Other literature type . 2017

Stability region of closed-loop pilot-vehicle system for fly-by-wire aircraft with limited actuator rate

Ying-hui, Li; Liang, Qu; Hao-jun, Xu; Qi-meng, Cao;
Open Access English
  • Published: 01 Jan 2017 Journal: Engineering Review : Međunarodni časopis namijenjen publiciranju originalnih istraživanja s aspekta analize konstrukcija, materijala i novih tehnologija u području strojarstva, brodogradnje, temeljnih tehničkih znanosti, elektrotehnike, računarstva i građevinarstva, volume 37, issue 3 (issn: 1330-9587, eissn: 1849-0433, Copyright policy)
  • Publisher: Faculty of Engineering/Faculty of Civil Engineering, University of Rijeka
Abstract
The category-II PIO (Pilot Induced Oscillations) caused by actuator rate limitation of fly-by-wire airplanes will badly threaten the flight safety. The stability regions of closed-loop pilot-vehicle (CLPV) system with rate limited actuator were studied in this paper to assess stability of such CLPV system. The augmented state  variables were introduced to segregate the rate limited element from the primary  system in order to build the saturation nonlinear model of CLPV system. To get the maximal stability region, firstly, the estimation of the stability region of CLPV system is transformed into convex optimization problem; secondly, the Schur  complement lemma ...
Subjects
free text keywords: pilot induced oscillation; rate limited actuator; closed-loop pilot-vehicle system; stability regions; linear matrix inequality
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