Design of linear parameter‐varying controller for morphing aircraft using inexact scheduling parameters

Abstract

In this paper, the design problem of Gain‐Scheduled Output‐Feedback (GSOF) controllers using inexact scheduling parameters for morphing aircraft during the wing transition process is addressed. Both the stability of the closed‐loop system and the L2 gain performance can be guaranteed under the controller based on measured (not actual) scheduling parameters. Firstly, the linear parameter‐varying (LPV) model of morphing aircraft is established by Jacobian linearization and the additive uncertainty is introduced into the scheduling parameters. By employing non‐linear transformations, the problem is formulated as the solution to a set of parameter‐dependent linear matrix inequalities (LMI) with a single‐line search parameter. Finally, the robustness of the flight control system to the wing transition process is verified under the condition of both the uncertainty of aerodynamic parameters and of scheduling parameters.

Self‐Powered Digital Angle Sensor Based on Triboelectric Signal for Variable Structure of Aircraft

“…[ 2 ] At the same time, it brings various safety flight problems, [ 3 ] and the state of variable structure (VS) is one of the factors affecting the aircraft's safe flight. [ 4 ] So, the monitoring of the aircraft's health state is particularly important. [ 5 ] Various sensing technology solutions have been developed to monitor the health status of the aircraft, [ 6 ] including differential pressure sensing technology, [ 7 ] fiber optic sensing technology, [ 8 ] capacitive sensing technology, [ 9 ] and electromagnetic sensing technology.…”