Zobrazeno 1 - 10
of 283
pro vyhledávání: '"Wolfgang Kliemann"'
Publikováno v:
Applied Sciences, Vol 10, Iss 24, p 8855 (2020)
This paper presents a general model to carry out a small signal stability analysis in electrical power systems (EPSs) that operate in unbalanced conditions. The classic traditional approach is based on a phase representation where it is supposed that
Externí odkaz:
https://doaj.org/article/3a2ab3b133f34b6cbaa4812c414e918c
Publikováno v:
Energies, Vol 13, Iss 8, p 2093 (2020)
The application of artificial intelligence-based techniques has covered a wide range of applications related to electric power systems (EPS). Particularly, a metaheuristic technique known as Particle Swarm Optimization (PSO) has been chosen for the t
Externí odkaz:
https://doaj.org/article/626157fc0c714039b7c7c5b59bba8fa3
Autor:
Humberto Verdejo, Rodrigo Torres, Victor Pino, Wolfgang Kliemann, Cristhian Becker, José Delpiano
Publikováno v:
Energies, Vol 12, Iss 12, p 2325 (2019)
A method is proposed to fit parameters of Power System Stabilizer controllers in electromechanical multimachine power systems. The use of the Non-dominated Sorting Genetic Algorithm II heuristic method and Tabu search is considered to be initial sear
Externí odkaz:
https://doaj.org/article/7a9b8eec93174b408029e3bf035ff8d0
Autor:
Humberto Verdejo, Almendra Awerkin, Wolfgang Kliemann, Cristhian Becker, Héctor Chávez, Karina A. Barbosa, José Delpiano
Publikováno v:
Energies, Vol 12, Iss 5, p 887 (2019)
This paper presents a methodology to represent ocean wave power generation based on real data observation for significant wave height (SWH or H s ) and wave period (WP or T). This technique is based on a hybrid model, which considers Fourier series a
Externí odkaz:
https://doaj.org/article/9ce39147917b460aafe3e11b8681f97c
Publikováno v:
International Journal of Electrical Power & Energy Systems. 113:322-332
The presence of uncertainties in electrical power systems is a critical issue due to the effects that those perturbations can induce in the quality, safety and economy of the electrical supply. An accurate representation of these phenomena is needed
Autor:
Wolfgang Kliemann, Fritz Colonius
For nonlinear control systems with bounded control range the existence of control sets which are invariant relative to subsets of the state space is characterized. They allow to describe the common regions of attraction of invariant control sets.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ec181b306e1c09d7fb02de7b3a64136
https://opus.bibliothek.uni-augsburg.de/opus4/files/79880/79880.pdf
https://opus.bibliothek.uni-augsburg.de/opus4/files/79880/79880.pdf
Autor:
Wolfgang Kliemann, Fritz Colonius
The dynamics of many mechanical systems can be described, or approximated by smooth vector fields in d-dimensional space Rd. External and internal excitations as well as modeling uncertainties are incorporated in the vector fields as families of (tim
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f599518ec962655c8419ed3727824981
https://opus.bibliothek.uni-augsburg.de/opus4/files/79881/79881.pdf
https://opus.bibliothek.uni-augsburg.de/opus4/files/79881/79881.pdf
Autor:
Wolfgang Kliemann, José Ayala
Publikováno v:
Topology and its Applications. 241:345-362
In this work we establish that finite directed graphs give rise to semiflows on the power set of their nodes. We analyze the topological dynamics for semiflows on finite directed graphs by characterizing Morse decompositions, recurrence behavior and
Publikováno v:
Communications in Nonlinear Science and Numerical Simulation. 53:228-248
Global behavior for stochastic system of continuous fermentation in glycerol bio-dissimilation to 1,3-propanediol by Klebsiella pneumoniae is analyzed in this paper. This bioprocess cannot avoid the stochastic perturbation caused by internal and exte
Publikováno v:
International Journal of Electrical Power & Energy Systems. 93:15-29
This paper presents a methodology, based on linear analysis, that uses stability indices based on the calculation of moments Lyapunov exponents to determine the optimum adjustment of controllers in linear stochastic systems. The purpose is to define