Results 11 to 20 of about 1,991 (112)

Zonotope approximation based flexible cluster division method for load‐side resource scheduling

open access: yesIET Renewable Power Generation
In view of the insufficient flexibility and adjustment capabilities caused by the high proportion of renewable energy connected to the distribution network and the limitations of the source‐side adjustment method, a load‐side resource flexibility cluster
Zongjun Yao, Tieyan Zhang, Jinfeng Huang
doaj   +2 more sources

Power allocation optimization strategy for multiple virtual power plants with diversified distributed flexibility resources

open access: yesIET Renewable Power Generation
The virtual power plant integrating the flexible resources in the distribution network can provide additional adjustment capacity for the auxiliary services of distribution network. However, the actual internal situation of distribution network including
Zejian Qiu   +5 more
doaj   +2 more sources

Robust adaptive tube tracking model predictive control for piece‐wise constant reference signals

open access: yesInternational Journal of Robust and Nonlinear Control, Volume 33, Issue 14, Page 8158-8182, 25 September 2023., 2023
Abstract Robust tracking of piece‐wise constant reference signals for constrained systems with parametric plant uncertainty and additive disturbances is addressed in this paper. The parametric uncertainty is decreased online by set‐membership estimation and a nominal model is updated for improving set‐point tracking.
Tobias Peschke, Daniel Görges
wiley   +1 more source

Set-Valued Shadow Matching Using Zonotopes for 3D-Map-Aided GNSS Localization

open access: yesNavigation, 2022
Unlike many urban localization methods that return point-valued estimates, a set-valued representation enables robustness by ensuring that a continuum of possible positions obeys safety constraints.
Sriramya Bhamidipati   +2 more
doaj   +1 more source

Structure of spaces of rhombus tilings in the lexicograhic case [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2005
Rhombus tilings are tilings of zonotopes with rhombohedra. We study a class of \emphlexicographic rhombus tilings of zonotopes, which are deduced from higher Bruhat orders relaxing the unitarity condition.
Éric Rémila
doaj   +1 more source

Geometric bijections between spanning subgraphs and orientations of a graph

open access: yesJournal of the London Mathematical Society, Volume 108, Issue 3, Page 1082-1120, September 2023., 2023
Abstract Let G$G$ be a connected finite graph. Backman, Baker, and Yuen have constructed a family of explicit and easy‐to‐describe bijections between spanning trees of G$G$ and (σ,σ∗)$(\sigma ,\sigma ^*)$‐compatible orientations, where the (σ,σ∗)$(\sigma ,\sigma ^*)$‐compatible orientations are the representatives of equivalence classes of orientations
Changxin Ding
wiley   +1 more source

Zonotope and Gaussian Kalman filters based state estimation algorithm for linear system with dual noise term

open access: yesIET Control Theory &Applications, Volume 17, Issue 5, Page 516-526, March 2023., 2023
Abstract To solve the problem of state estimation for systems with dual noise terms, a zonotope and Gaussian Kalman filters based state estimation algorithm is proposed. A state estimator is designed to obtain the estimation interval of the true state in the presence of both stochastic and unknown but bounded (UBB) uncertainties.
Yacong Zhan   +4 more
wiley   +1 more source

Zonotope-based quantification of the impact of renewable power generation on hybrid AC/DC distribution system

open access: yesThe Journal of Engineering, 2019
Hybrid AC/DC distribution network has developed rapidly owing to its convenience for renewable energy integration, thus the authors are interested in quantifying the impact of uncertainty from renewable power on system static performance.
Jianing Gao   +5 more
doaj   +1 more source

Zonotope parameter identification for piecewise affine system

open access: yesSystems Science & Control Engineering, 2020
This paper studies one identification problem for a piecewise affine system which is a special nonlinear system. As the difficulty in identifying the piecewise affine system is to determine each separated region and each unknown parameter vector ...
Hong Jianwang   +1 more
doaj   +1 more source

Sensor fault detection for dynamic point‐the‐bit rotary steerable system via finite‐frequency domain observer and zonotope residual evaluation

open access: yesIET Control Theory &Applications, Volume 16, Issue 4, Page 429-442, March 2022., 2022
Abstract In this paper, the sensor fault detection (FD) problem is investigated for the dynamic point‐the‐bit rotary steerable system (DPRSS), which is known as state‐of‐the‐art oil drilling equipment. Firstly, the DPRSS dynamic is modelled as a linear system with drilling disturbances, which consists of model perturbations, measurement disturbances ...
Weiliang Wang   +4 more
wiley   +1 more source

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