2022
DOI: 10.3390/aerospace9110688
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Model Predictive Control Based on ILQR for Tilt-Propulsion UAV

Abstract: The transition flight of tilt-propulsion UAV is a complex and time-varying process, which leads to great challenges in the design of a stable and robust controller. This work presents a unified model predictive controller, which can handle the full envelope from vertical take-off and landing to cruise flight, to mean that the UAV can achieve a near-optimal transition flight under uncertainty conditions. Firstly, the nonlinear dynamic model of the tilt-propulsion UAV is developed, in which the aerodynamic/propu… Show more

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Cited by 4 publications
(5 citation statements)
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“…It is well-known that the mesh structure of solid walls makes it possible to solve many essential technical problems. Thus, the peculiarities of gas-dynamic processes in developing lattice wings [8,9] and aircraft [10][11][12] have been studied.…”
Section: Literature Surveymentioning
confidence: 99%
See 1 more Smart Citation
“…It is well-known that the mesh structure of solid walls makes it possible to solve many essential technical problems. Thus, the peculiarities of gas-dynamic processes in developing lattice wings [8,9] and aircraft [10][11][12] have been studied.…”
Section: Literature Surveymentioning
confidence: 99%
“…The variants of aircraft jet systems for performing thrust reverse [43] and thrust enhancement [44,45] are considered separately. Work on creating hybrid aircraft engines and jet vehicles is intensifying [9,11,46]. Analyzing the published data, one can notice that different methods for controlling the velocity vector (thrust vector) have been developed and patented today.…”
Section: Literature Surveymentioning
confidence: 99%
“…In order to track longitudinal velocity trajectory, Rohr et al [14] formulated a highlevel Nonlinear Model Predictive Control (NMPC) to optimize throttle, tilt-rate and pitchangle setpoints for a small tiltwing hybrid unmanned aerial vehicle (UAV). Xia et al [15] proposed a longitudinal MPC controller for a flying-wing UAV with tilt DEP, which realized a satisfactory control effect for the rotor mode, transition process and fixed-wing mode. Although some air vehicles do not adopt DEP technology, they have similar characteristics in dynamics and control to DEP aircraft with TVC.…”
Section: Introductionmentioning
confidence: 99%
“…This algorithm linearizes the dynamics by Taylor expansion; then, based on Bellman's principle [24], the input sequence is obtained in the backward pass, while the state sequence is updated in the forward pass, finally, the optimal solution is obtained through cyclic iteration [25]. In recent years, the MPC based on ILQR methods has been gradually applied and achieved good results [15,26,27].…”
Section: Introductionmentioning
confidence: 99%
“…Hybrid systems containing two engines based on different physical principles have been actively discussed [23][24][25]. Engines are equipped with special nozzles for the thrust vector control [26,27]. The features of the flows at the nozzle outlet have been studied [28][29][30].…”
Section: Introductionmentioning
confidence: 99%