Mathematical modeling and control of DFIG‐based wind energy system by using optimized linear quadratic regulator weight matrices
Sign Up to like & getrecommendations! Published in 2017 at "International Transactions on Electrical Energy Systems"
DOI: 10.1002/etep.2416
Abstract: Summary This paper deals with a genetic algorithm (GA)–based linear quadratic regulator (LQR) controller to improve the dynamic response, stability, and robustness of the doubly fed induction generator (DFIG) system at various stator voltage disturbances.… read more here.
Keywords: dfig; system; linear quadratic; controller ... See more keywords
Stochastic linear quadratic control via random parameter‐dependent truncated balanced realization
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.5339
Abstract: This article deals with stochastic linear quadratic (LQ) control by using random parameter‐dependent truncated balanced realization (RPD‐TBR). The main contribution of the article is theoretical formulation to approximate high‐order stochastic LQ control problems, using the… read more here.
Keywords: stochastic linear; random parameter; parameter; quadratic control ... See more keywords
A robust time‐inconsistent linear‐quadratic problem
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.5426
Abstract: This paper is concerned with a deterministic time‐inconsistent linear‐quadratic optimal control with model uncertainty, where nonexponential time discounting appears in the objective functional. If the objective functional is viewed as an output/observation on the lifetime… read more here.
Keywords: time; inconsistent linear; time inconsistent; linear quadratic ... See more keywords
Constructive Solution of Inverse Parametric Linear/Quadratic Programming Problems
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Optimization Theory and Applications"
DOI: 10.1007/s10957-016-0968-0
Abstract: Parametric convex programming has received a lot of attention, since it has many applications in chemical engineering, control engineering, signal processing, etc. Further, inverse optimality plays an important role in many contexts, e.g., image processing,… read more here.
Keywords: solution inverse; constructive solution; control; linear quadratic ... See more keywords
Parameter-robust linear quadratic Gaussian technique for multi-agent slung load transportation
Sign Up to like & getrecommendations! Published in 2017 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2017.09.014
Abstract: Abstract This paper copes with parameter-robust controller design for transportation system by multiple unmanned aerial vehicles. The transportation is designed in the form of string connection. Minimal state-space realization of slung-load dynamics is obtained by… read more here.
Keywords: transportation; linear quadratic; slung load; robust linear ... See more keywords
Robust fuzzy linear quadratic regulator control optimized by multi-objective high exploration particle swarm optimization for a 4 degree-of-freedom quadrotor
Sign Up to like & getrecommendations! Published in 2020 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.105598
Abstract: Abstract In this article, a robust fuzzy controller based on the Linear Quadratic Regulator (LQR) method is presented and optimized by Multi-Objective High Exploration Particle Swarm Optimization (MOHEPSO) for a nonlinear 4 Degree-Of-Freedom (DOF) quadrotor.… read more here.
Keywords: freedom; linear quadratic; optimized multi; degree freedom ... See more keywords
On the structure of the set of active sets in constrained linear quadratic regulation
Sign Up to like & getrecommendations! Published in 2019 at "Automatica"
DOI: 10.1016/j.automatica.2019.04.017
Abstract: The constrained linear quadratic regulation problem is solved by a continuous piecewise affine function on a set of state space polytopes. It is an obvious question whether this solution can be built up iteratively by… read more here.
Keywords: structure set; linear quadratic; active sets; horizon ... See more keywords
Radiobiology of brachytherapy: The historical view based on linear quadratic model and perspectives for optimization.
Sign Up to like & getrecommendations! Published in 2018 at "Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique"
DOI: 10.1016/j.canrad.2017.11.011
Abstract: Most preclinical studies examining the radiobiology of brachytherapy have focused on dose rate effects. Scarcer data are available on other major parameters of therapeutic index, such as cell cycle distribution, repopulation or reoxygenation. The linear… read more here.
Keywords: brachytherapy historical; radiobiology brachytherapy; linear quadratic; radiobiology ... See more keywords
Full-state autopilot-guidance design under a linear quadratic differential game formulation
Sign Up to like & getrecommendations! Published in 2018 at "Control Engineering Practice"
DOI: 10.1016/j.conengprac.2018.03.009
Abstract: Abstract Full-state single-loop and full-state two-loop autopilot-guidance architectures are derived under a linear quadratic differential game formulation. In the full-state single-loop case, the guidance command is injected directly to the actuator, whereas in the full-state… read more here.
Keywords: state; game; quadratic differential; linear quadratic ... See more keywords
Linear–quadratic term structure models for negative euro area yields
Sign Up to like & getrecommendations! Published in 2017 at "Economics Letters"
DOI: 10.1016/j.econlet.2017.03.029
Abstract: Four factor linear–quadratic models (LQTSM) fit negative Euro yields well, as short yields can be negative, but not the longest yields. LQTSM outperform four factor quadratic models that permit negative yields, which in turn outperform… read more here.
Keywords: negative euro; term structure; models negative; linear quadratic ... See more keywords
Distributed Linear Quadratic Regulator Robust to Communication Dropouts
Sign Up to like & getrecommendations! Published in 2020 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2020.12.1012
Abstract: Abstract We present a solution to deal with information package dropouts in distributed controllers for large-scale networks. We do this by leveraging the System Level Synthesis approach, a control framework particularly suitable for large-scale networks… read more here.
Keywords: dropouts distributed; linear quadratic; quadratic regulator; robust communication ... See more keywords