Results 1 to 10 of about 5,845 (148)

Evaluation of Delays-based Stability of LFC Systems in the Presence of Electric ‎Vehicles Aggregator [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2022
In the integrated electrical systems, frequency control service considering the electric vehicle (EV) aggregators could lead to time-varying delay in load frequency control (LFC) schemes.
F. Babaei, A. Safari, J. Salehi
doaj   +1 more source

Robust Model Predictive Control Design

open access: yesСовременные информационные технологии и IT-образование, 2021
Recently, many control designers have worked on design methods that meet several design specifications called multi-objective control design. However, the main challenge for the Model Predictive Control design is the high computational load preventing ...
Abdelillah Otmane Cherif   +1 more
doaj   +1 more source

Velocity Control of Nonlinear Unmanned Rotorcraft using Polytopic Modelling and State Feedback Control [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2020
Performance and improvement of flight efficiency at various velocities for flight systems, in particular, rotorcrafts, with specific complexities in motion and its nonlinear equations are always of particular interest to researchers in the aerial and ...
Reza Tarighi   +2 more
doaj   +1 more source

An improved stability criterion for discrete-time time-delayed Lur'e system with sector-bounded nonlinearities

open access: yesAutomatika, 2022
The absolute stability problem of discrete-time time-delayed Lur'e systems with sector bounded nonlinearities is investigated in this paper. Firstly, a modified Lyapunov-Krasovskii functional (LKF) is designed with augmenting additional double summation ...
Lijuan Zhu, Chengyun Zhu
doaj   +1 more source

A new robust LMI-based model predictive control for continuous-time uncertain nonlinear systems

open access: yesAutomatika, 2020
This paper presents a new robust predictive controller for a special class of continuous-time non-linear systems with uncertainty. These systems have bounded disturbances with unknown upper bound as well as constraints on input states.
Luo Huofa, Hashem Imani Marrani
doaj   +1 more source

Ressources en eau, sociétés et territoires méditerranéens. L’interdisciplinarité pour répondre aux défis du changement climatique

open access: yesNatures Sciences Sociétés, 2019
La COP 22 (Marrakech, 2016) a fourni aux scientifiques l’occasion de s’interroger sur les conditions d’un dialogue interdisciplinaire autour du changement climatique, notamment à travers le séminaire « Ressources en eau, sociétés et territoires ...
Romagny Bruno   +4 more
doaj   +1 more source

Stability Analysis of Discrete-time Switched Linear Systems with Parametric Uncertainties [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2019
This paper considers the stability problem of discrete-time switched linear systems in the presence of parametric uncertainties. Parametric uncertainty is sometimes called structured uncertainty because of the structure of the model is known, but some of
Mohamad Hosein Shafiei   +1 more
doaj   +1 more source

Effect of bacterial lipase on anaerobic co-digestion of slaughterhouse wastewater and grease in batch condition and continuous fixed-bed reactor

open access: yesLipids in Health and Disease, 2017
Background This study aimed to investigate the effects of bacterial lipase on biogas production of anaerobic co-digestion of slaughterhouse wastewater (SHWW) and hydrolyzed grease (HG).
Maha Affes   +4 more
doaj   +1 more source

Impact of organic fertilisation on lettuce biomass production according to the cultivation duration in tropical soils

open access: yesActa Agriculturae Scandinavica. Section B, Soil and Plant Science, 2020
The productivity levels of two arenosol (Ar40) and fluvisol (FL40) fields that had been cultivated for over 40 years were compared to that of fields with the same soils located nearby but never previously cultivated, i.e.
Falilou Diallo   +3 more
doaj   +1 more source

Maximizing the Value of Decay Rate for a Vibrated Beam [PDF]

open access: yesEngineering and Technology Journal, 2018
This paper presents design controllers by using control strategies and (LMI) in order to attenuate the vibrations of a beam. An Aluminum beam with fixed-fixed configuration was chosen as an application example of (AVC) of structure.
Sherko Ibrahem, Tahseen Othman
doaj   +1 more source

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