Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hannu Niemistö"'
Autor:
Miro Eklund, Seppo A. Sierla, Hannu Niemistö, Timo Korvola, Jouni Savolainen, Tommi A. Karhela
Publikováno v:
Eklund, M, Sierla, S, Niemistö, H, Korvola, T, Savolainen, J & Karhela, T 2023, ' Using a digital twin as the objective function for evolutionary algorithm applications in large scale industrial processes ', IEEE Access, vol. 11, pp. 24185-24202 . https://doi.org/10.1109/ACCESS.2023.3254896
Publisher Copyright: Author In this paper, we describe how the up-to-date state of a digital twin, and its corresponding simulation model, can be used as a fitness function of an evolutionary algorithm for optimizing a large-scale industrial process.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4da7ed7deebeb22588906de8e1209e8b
https://cris.vtt.fi/en/publications/559ae294-9e14-40f3-9d48-8f4577670e62
https://cris.vtt.fi/en/publications/559ae294-9e14-40f3-9d48-8f4577670e62
Autor:
Hannu Niemistö, Ville Ylä-Outinen, Ville Hovi, Timo Pättikangas, Sirpa Kallio, Lassi Karvonen, Ismo Karppinen, Marko Huttunen, Sami Tuuri
Publikováno v:
Hovi, V, Huttunen, M, Karppinen, I, Pättikangas, T, Niemistö, H, Karvonen, L, Kallio, S, Tuuri, S & Ylä-Outinen, V 2017, ' Integrated transient simulation of a BFB boiler with CFD models for the BFB furnace and dynamic system models for the steam cycle and boiler operation ', Energy Procedia, vol. 120, no. August, pp. 508-515 . https://doi.org/10.1016/j.egypro.2017.07.186
An approach for integrated transient simulation of a BFB boiler furnace and the coupled steam cycle is presented. The BFB furnace is simulated with in-house CFD models implemented in the ANSYS Fluent® software. The boiler steam cycle with control lo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f747e5c78348f8059f7bed1f9140aa8b
http://juuli.fi/Record/0284340817
http://juuli.fi/Record/0284340817
Autor:
Jussi Hakanen, Kaisa Miettinen, Jouni Savolainen, Hannu Niemistö, Vesa Ojalehto, Karthik Sindhya
Publikováno v:
Sindhya, K, Ojalehto, V, Savolainen, J, Niemistö, H, Hakanen, J & Miettinen, K 2014, ' Coupling dynamic simulation and interactive multiobjective optimization for complex problems : An APROS-NIMBUS case study ', Expert Systems with Applications, vol. 41, no. 5, pp. 2546-2558 . https://doi.org/10.1016/j.eswa.2013.10.002
Dynamic process simulators for plant-wide process simulation and multiobjective optimization tools can be used by industries as a means to cut costs and enhance profitability. Specifically, dynamic process simulators are useful in the process plant d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0d352b0ff0b25ffe28def2c8b77b686
https://doi.org/10.1016/j.eswa.2013.10.002
https://doi.org/10.1016/j.eswa.2013.10.002
Publikováno v:
INDIN
Siivola, E, Sierla, S, Niemistö, H, Karhela, T & Vyatkin, V 2016, Requirement verification in simulation-based automation testing . in Industrial Informatics (INDIN), 2016 IEEE 14th International Conference on . IEEE Institute of Electrical and Electronic Engineers, pp. 740-743, 14th IEEE International Conference on Industrial Informatics, INDIN 2016, Poitiers, France, 19/07/16 . https://doi.org/10.1109/INDIN.2016.7819257
Siivola, E, Sierla, S, Niemistö, H, Karhela, T & Vyatkin, V 2016, Requirement verification in simulation-based automation testing . in Industrial Informatics (INDIN), 2016 IEEE 14th International Conference on . IEEE Institute of Electrical and Electronic Engineers, pp. 740-743, 14th IEEE International Conference on Industrial Informatics, INDIN 2016, Poitiers, France, 19/07/16 . https://doi.org/10.1109/INDIN.2016.7819257
The emergence of the Industrial Internet results in an increasing number of complicated temporal interdependencies between automation systems and the processes to be controlled. There is a need for verification methods that scale better than formal v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e51530110ea888447cff0b46b6abd399
http://juuli.fi/Record/0276891716
http://juuli.fi/Record/0276891716
Autor:
Juha Kontinen, Hannu Niemistö
Publikováno v:
Information and Computation. 209:1-19
In this paper, we study the expressive power of the extension of first-order logic by the unary second-order majority quantifier Most1. In 1 it was shown that the extension of FO by second-order majority quantifiers of all arities describes exactly t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81cdce93a4bdd85272ca0be9842a9600
https://doi.org/10.1016/j.ic.2010.09.002
https://doi.org/10.1016/j.ic.2010.09.002
Autor:
Hannu Niemistö
Publikováno v:
J. Symbolic Logic 74, iss. 1 (2009), 105-123
§1. Introduction. A logic ℒ has a limit law, if the asymptotic probability of every query definable in ℒ converges. It has a 0–1-law if the probability converges to 0 or 1. The 0–1-law for first-order logic on relational vocabularies was ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05ac01aa4e5e068d40619accc78d1a2b
https://doi.org/10.2178/jsl/1231082304
https://doi.org/10.2178/jsl/1231082304
Autor:
Tommi Karhela, Gerardo Santillan Martinez, Ahti Rossi, Valeriy Vyatkin, Cheng Pang, Hannu Niemistö
Publikováno v:
Santillan Martinez, G, Karhela, T, Niemistö, H, Rossi, A, Cheng, P & Vyatkin, V 2015, A hybrid approach for the initialization of tracking simulation systems . in Emerging Technologies & Factory Automation (ETFA), 2015 IEEE 20th Conference on . IEEE Institute of Electrical and Electronic Engineers, pp. 1-8, IEEE 20th Conference on Emerging Technologies & Factory Automation, Luxembourg, France, 8/09/15 . https://doi.org/10.1109/ETFA.2015.7301532
ETFA
ETFA
In the online and tracking simulation context, precise model initialization is highly important to ensure the quality of predictions made based on simulation. This paper presents a hybrid approach for the initialization of tracking simulation systems
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7b9542bb11499bcff1542c2cb33b984
https://cris.vtt.fi/en/publications/fe0b3ca5-0d3f-49f6-81d1-a8440b86deb7
https://cris.vtt.fi/en/publications/fe0b3ca5-0d3f-49f6-81d1-a8440b86deb7
Autor:
Kaisa Miettinen, Hannu Niemistö, Jussi Hakanen, Jouni Savolainen, Karthik Sindhya, Vesa Ojalehto
Virtual commissioning of chemical plants often involves a dynamic simulator and an optimization method. This paper demonstrates the integration of APROS, a dynamic process simulator and IND-NIMBUS, an interactive multiobjective optimization software.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09d0189b69b090016326f3b6cc557246
https://doi.org/10.1016/b978-0-444-63234-0.50146-9
https://doi.org/10.1016/b978-0-444-63234-0.50146-9
Publikováno v:
Karhela, T, Villberg, A & Niemistö, H 2012, ' Open ontology-based integration platform for modeling and simulation in engineering ', International Journal of Modeling, Simulation, and Scientific Computing, vol. 3, no. 2, 1250004 . https://doi.org/10.1142/S1793962312500043
The benefits of the use of modeling and simulation in engineering are acknowledged widely. It has proven its advantages e.g., in virtual prototyping i.e., simulation aided design and testing as well as in training and R&D. It is recognized to be a to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dacc4d252cc9c174575a5f419d3d1df
https://doi.org/10.1142/S1793962312500043
https://doi.org/10.1142/S1793962312500043
Publikováno v:
CSE
Gayer, M, Niemistö, H & Karhela, T 2011, An unstructured semantic mesh definition suitable for finite element method . in Proceedings of the 14th IEEE International Conference on Computational Science and Engineering, CSE 2011 . IEEE Institute of Electrical and Electronic Engineers, pp. 137-143, 14th IEEE International Conference on Computational Science and Engineering, CSE 2011, Dalian, China, 24/08/11 . https://doi.org/10.1109/CSE.2011.35
Gayer, M, Niemistö, H & Karhela, T 2011, An unstructured semantic mesh definition suitable for finite element method . in Proceedings of the 14th IEEE International Conference on Computational Science and Engineering, CSE 2011 . IEEE Institute of Electrical and Electronic Engineers, pp. 137-143, 14th IEEE International Conference on Computational Science and Engineering, CSE 2011, Dalian, China, 24/08/11 . https://doi.org/10.1109/CSE.2011.35
Numerical methods, such as finite element method (FEM), are widely used for computations on meshes in variety of simulation related software applications. As these methods become more popular in engineering, also information management requirements f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b303cc588369b3c0044d013e3e18e76
https://doi.org/10.1109/cse.2011.35
https://doi.org/10.1109/cse.2011.35