2016

Info:

Final validation was carried out, especially by comparison between the numerical results with the experimental results provided by IMT.

Publications:

  1. Gabriela Ciuprina, Aurel-Sorin Lup, Bogdan Dita, Daniel Ioan, Dragos Isvoranu, Stefan Sorohan, , and Sebastian Kula, "Mixed-domain Macro-Models for RF MEMS Capacitive Switches", Scientific Computing in Electrical Engineering, Springer series on Mathematics in Industry (book chapter), vol.23, pp.31-39, 2016. http://link.springer.com/chapter/10.1007/978-3-319-30399-4_4.
  2. Anton Duca, Laurentiu Duca, Gabriela Ciuprina, Asim Egemen Yilmaz and Tolga Altinoz, "PSO Algorithms and GPGPU Techniques for Electromagnetic Problems", Accepted for publication in International Journal of Applied Electromagnetics and Mechanics (IJAEM) Journal (IOS Press). Expected publication date: december 2016.
  3. Anton Duca, Laurentiu Duca, Gabriela Ciuprina, Daniel Ioan, "SPSO parallelization strategies for electromagnetic applications" (book chapter), Springer Series in Computational Intelligence, vol 229, pag. 75-95, 2016, ISBN 978-3-319-48506-5, http://www.springer.com/gp/book/9783319485041.
  4. Gabriela Ciuprina and Daniel Ioan and Aurel-Sorin Lup and Mihai Popescu and Ruxandra Barbulescu, Alexandra Stefanescu, "Coupled multiphysics-RF reduced models for MEMS", IEEE International Conference on Power Electronics, Intelligent Control and Energy Systems, ICPEICES 2016, 4-6 July 2016, Delhi, India, http://www.icpeices2016.in, 5 pages, it will be available on ieeexplore.
  5. Aurel Sorin Lup, Gabriela Ciuprina, Ştefan Sorohan, Dragoş Isvoranu, George Boldeiu, and Alexandra Ştefănescu, "Extraction of Lumped Structural Parameters from Multiphysics Field Simulations for MEMS Switches", IEEE International Symposium on Fundamentals of Electrical Engineering, ISFEE 2016, 30 June - 2 July, 2016, Bucharest, Romania, http://isfee.elth.pub.ro/isfee2016/, 6 pages, it will be available on ieeexplore.
  6. Gabriela Ciuprina, Daniel Ioan, Aurel-Sorin Lup, Dragos Isvoranu, Anton Duca, and Alexandra Stefanescu, Compact Reduced Order Multiphysics Models for Electrostatic Actuated MEMS Switches, International Conference on Scientific Computing in Electrical Engineering, SCEE 2016, 3-7 October 2016, St.Wolfgang, Austria. http://www.ricam.oeaw.ac.at/events/conferences/scee2016/.
  7. Anton Duca, Laurentiu Duca, Gabriela Ciuprina and Daniel Ioan, Neighborhood strategies for QPSO algorithms to solve benchmark electromagnetic problems, Int. Conf. on Evolutionary Computation Theory and Applications - ECTA, 9-11 November 2016, Porto, Portugal. In Proceedings of the 8th International Joint Conference on Computational Intelligence (Porto, Portugal) - Volume 3: ECTA, ISBN 978-989-758-201-1, pages 148-155. DOI: 10.5220/0006040901480155 http://www.scitepress.org/DigitalLibrary/PublicationsDetail.aspx?ID=NHBkFxNME4k=&t=1.
  8. Dan Vasilache, Alexandra Stefanescu, George Boldeiu, "RF-MEMS switch structures for K-band to W-band", presented at 17th International Symposium on RF-MEMS and RF-MICROSYSTEMS, MEMSWAVE 2016, 4 - 6 July, Bucharest, Romania. http://www.imt.ro/memswave2016/.
  9. Ruxandra Barbulescu, "Simulation of electric potential in 3D neuronal axon", IEEE International Symposium on Fundamentals of Electrical Engineering, ISFEE 2016, 30 June - 2 July, 2016, Bucharest, Romania, http://isfee.elth.pub.ro/isfee2016/, 4 pages, it will be available on ieeexplore.
  10. Ruxandra Barbulescu, Daniel Ioan, IEEE International Conference and Exposition on Electrical and Power Engineering, EPE 2016, 20-22 October 2016, Iasi, Romania, http://www.epe.tuiasi.ro/2016/, 6 pages, it will be available on ieeexplore.
  11. Gabriela Ciuprina, Daniel Ioan, Aurel-Sorin Lup, Dragos Isvoranu, Anton Duca, and Alexandra Stefanescu, Compact Reduced Order Multiphysics Models for Electrostatic Actuated MEMS Switches, 8 pages, submitted for publication in the Springer Series "Mathematics in Industry". Currently it is under a peer-review process.

2015

Info:

Electromagnetic analyses were carried out in order to see the influence of the switch on the propagation of the RF signal. Algorithms for extraction of reduced compact models have been proposed, implemented and tested. Simple test structures were fabricated and RF characterised.

Publications:

  1. Gabriela Ciuprina, Daniel Ioan, Rick Janssen, and Edwin van der Heijden, "MEEC Models for RFIC Design Based on Coupled Electric and Magnetic Circuits", IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Vol. 34, No. 3, pp. 395-408, 2015, available at http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7003979.
  2. Gabriela Ciuprina, Aurel-Sorin Lup, Daniel Ioan, Dragos, Isvoranu, and Stefan Sorohan, "Combined Multiphysics and RF Macromodels for Electrostatic Actuated Micro-Electro-Mechanical Switches", COMPUMAG 2015, 28 June - 2 July, Montreal, Canada, 2015.
  3. M. Aldrigo, A. Stefanescu, M. Dragoman, and D. Vasilache, "Enhancement of capacitive RF MEMS switches reliability based on a carbon nanotubes array embedded in the dielectric", Proceedings of the 16th edition of the International Symposium on RF-MEMS and RF-MICROSYSTEMS, MEMSWAVE 2015, Barcelona, Catalonia, Spain, June 29th - July 1st 2015, pp.52-55, ISBN: 978-84-943928-7-0
  4. Gabriela Ciuprina, Cosmin-Bogdan Dita, Aurel-Sorin Lup, Daniel Ioan, and Alexandra Stefanescu, "Extraction of TL-lumped RF macromodels for MEMS switches", IEEE MTT-S Int. Conf. on Numerical Electromagnetic and Multiphysics Modeling and Optimization, NEMO 2015, 11-14 August, Ottawa, Canada, 4 pages, it will be availabe on IEEEexplore.
  5. Mihai Popescu, Aurel-Sorin Lup, Ruxandra Barbulescu, Gabriela Ciuprina and Daniel Ioan, "Using Object Oriented Data Structures for Optimizing MEMS Devices on Parallel Computers", ISEF 2015 - XVII Int. Symp. on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering, Valencia Spain, 10-12 Sept. 2015. 6 pages ISBN: 978-84-606-9102-0.
  6. Aurel-Sorin Lup, Gabriela Ciuprina, Mihai Popescu and Daniel Ioan, "Parametric Multiphysics 3D Modelling of a Bridge Type MEMS Capacitive Switch", ISEF 2015 - XVII Int. Symp. on Electromagnetic Fields in Mechatronics, Electrical and Electronic Engineering, Valencia Spain, 10-12 Sept. 2015. 8 Pages ISBN: 978-84-606-9102-0.
  7. Mihai Popescu, Aurel-Sorin Lup, Gabriela Ciuprina, Daniel Ioan, "An object oriented data structure designed for multiphysics simulations on parallel computers", 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE), 7-9 May 2015, Bucharest, Romania, pp. 448-451, available at http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7133846.
  8. Cosmin-Bogdan Dita, Aurel-Sorin Lup, Gabriela Ciuprina, Daniel Ioan, "Compact TL-RLC-TL model extraction from FW field solution for RF MEMS capacitive switch", 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE), 7-9 May 2015, Bucharest, Romania pp. 436-441, available at http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7133844.
  9. Ruxandra Barbulescu and Daniel Ioan, "Multi-scale and reduced modelling of Biological Systems", 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE), 7-9 May 2015, Bucharest, Romania, pages: 597 - 602, available at http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7133876.
  10. G. Boldeiu, D. Vasilache, V. Moagar, A. Stefanescu, G. Ciuprina, "Study of the von Mises stress in RF MEMS switch anchors", Proceedings of the International Semiconductor Conference CAS 2015, 12-14 October 2015, Sinaia, Romania, pp. 219-222, ISBN 978-1-4799-8862-4.
  11. Sebastian Kula, Aurel-Sorin Lup, "Electrical Schematics for 1D Analysis of a Bridge Type MEMS Capacitive Switch", Computere Applications in Electrical Engineering, Vol.12, pp. 407-421, 2014, ISSN 1508-4248, available at http://www.iee.put.poznan.pl/wydawnictwa/archiwum/ArtSzczegoly.aspx?ArtId=1283.
  12. Anton Duca, Laurentiu Duca, Gabriela Ciuprina, Daniel Ioan, "GPGPU vs Multiprocessor SPSO Implementations to Solve Electromagnetic Optimization Problems", accepted for presentation at the 7th Int. Conf. on Evolutionary Computation Theory and Applications - ECTA, 12-14 November 2015, Lisbon, Portugal, 11 pages.
  13. Aurel-Sorin Lup - Ph.D. Thesis - "Multiphysics Modelling of Radio Frequency Micro-Electro-Mechanical-Systems" - currently under final revision; expected date for defense: November 2015.

2014

Info:

Coupled mechanical, fluidic and electrostatic simulations were carried out in order to study the influence of the air viscosity. Simple test structures were fabricated and characterized.

Publications:

  1. Daniel Ioan, Gabriela Ciuprina, W.H.A. Schilders, Parasitic Inductive Coupling of Integrated Circuits with their Environment, Proceedings of the 2014 International Symposium on Electromagnetic Compatibility (EMC'14/Tokyo), 12-16 May, 2014, Tokyo, Japonia HitotsubashiHall, pages 565-568 http://www.ieice.org/~emc14/.
  2. Gabriela Ciuprina, Daniel Ioan, Dragos Isvoranu, Stefan Sorohan, Sorin Lup, and Sebastian Kula, Mixed-domain Macro-Models for RF MEMS Capacitive Switches, Conference on Scientific Computing in Electrical Engineering SCEE 2014, 22-25 iulie, Wuppertal, Germania, http://www-amna.math.uni-wuppertal.de/scee2014/, Book of abstracts.
  3. Dragos ISVORANU, Stefan Sorohan, Gabriela CIUPRINA, Aerodynamic behavior of the bridge of a capacitive RF MEMS switch, 4th Micro and Nano Flows Conference, UCL, London, UK, 7-10 September 2014, 8 pages, http://www.mnf2014.com/
  4. Aurel-Sorin LUP, Gabriela CIUPRINA and Stefan SOROHAN, Parametric Multiphysics Static Models for a Bridge Type MEMS Capacitive Switch, Proceedings of the 49th IEEE International Universities Power Engineering Conference, 2-5 sept 2014, Cluj-Napoca, Romania, ISBN 978-1-4799-6556-4, 5 pages, http://www.upec2014.com/. Available here.
  5. Anton Duca, Laurentiu Duca, Gabriela Ciuprina, Asim Egemen Yilmaz and Tolga Altinoz, PSO Algorithms and GPGPU Techniques for Electromagnetic Problems, 13th International Workshop on Optimization and Inverse Problems in Electromagnetism September 10 – 12, 2014, Delft, The Netherlands, http://www.oipe2014.nl/. Book of abstracts.
  6. Aurel-Sorin Lup, Gabriela Ciuprina, Alexandra Stefanescu, Extraction of effective elastic coefficient from a coupled structural electrostatic simulation of a MEMS switch, acceptata la International Symposium on Fundamentals of Electrical Engineering, 28-29 November 2014, Bucharest, Romania, http://isfee.elth.pub.ro/isfee2014/ (IEEE Conference), 5 pages.
  7. Alexandra Stefanescu, Valentin Buiculescu, Ioana Giangu, Floating Connector for Surface Integrated Waveguide Components and Its Extended Applications, 2014 Asia-Pacific Microwave Conference Proceedings, pg. 46-48, 2014. http://apmc2014.org/
  8. Bogdan Dita - Modelarea electromagnetica multiprocesor a microsistemelor integrate, 2014, Ph.D. Thesis (in Romanian), available here.

Publications accepted, they will be published most probably in 2016:

  1. Gabriela Ciuprina, Aurel-Sorin Lup, Bogdan Dita, Daniel Ioan, Dragos Isvoranu, Stefan Sorohan, , and Sebastian Kula, Mixed-domain Macro-Models for RF MEMS Capacitive Switches, sent to Springer series on Mathematics in Industry (book chapter), under review.
  2. Anton Duca, Laurentiu Duca, Gabriela Ciuprina, Asim Egemen Yilmaz and Tolga Altinoz, PSO Algorithms and GPGPU Techniques for Electromagnetic Problems, sent to International Journal of Applied Electromagnetics and Mechanics (IJAEM) Journal (IOS Press), under review.

2013

Info:

The first set of benchmark RF switches are currently under coupled mechanical and electrostatic simulations. Their fabrication is under preparation. Comparisons between simulations and measurements will be reported by the end of the year.

Publications:

  1. Andreea Alexandru, Sorin Lup, Bogdan Dita, "GDS2M Preprocessing Tool for MEMS Devices" Proceedings of the 8th International Symposium on Advanced Topics in Electrical Engineering, May 23-25, 2013, Bucharest, Romania, 4 pages, ISBN 978-1-4673-5978-8, Student paper at IEEE conference (awarded the 3rd price at the IEEE Student paper contest); available on IEEEXplore. GDS2M tool described in this paper is available at http://www.lmn.pub.ro/~andreeaa/.
  2. Mihail-Iulian ANDREI; Cosmin-Bogdan DITA; Gabriela CIUPRINA; Daniel IOAN "Effective Modeling of HF Integrated Components with Domain Partitioning and Order Reduction" Proceedings of the 8th International Symposium on Advanced Topics in Electrical Engineering, May 23-25, 2013, Bucharest, Romania, 4 pages ISBN 978-1-4673-5978-8; available on IEEEXplore.
  3. Aurel-Sorin Lup and Gabriela Ciuprina, "Analysis of membrane perforations on the RF behavior of capacitive MEMS switches", Acta Electrotehnica, ISSN 1841-3323 vol. 54, no.5, pp. 252-255, 2013. CNCSIS B+ Journal.
  4. Gabriela Ciuprina, Daniel Ioan, and Mihail-Iulian Andrei "Effective HF Modeling of Passive Devices based on Frequency Dependent Hodge Operators and Model Order Reduction", Proceedings of the 34th Progress In Electromagnetics Research Symposium (PIERS) in Stockholm, SWEDEN, 12-15 August, 2013; 5 pages; available here.
  5. Stefanescu, V. Buiculescu, A. Dinescu, A. Cismaru, A. Muller, G. Konstantinidis, A. Stavrinidis, G. Stavrinidis, "Modeling of SAW Resonators Fabricated on GaN/Si". Electronic Proceeding IEEE COMCAS 2013, paper 1A4-3, Tel Aviv, 21-23 Oct 2013.

2012

Info:

Publications:

  1. Gabriela CIUPRINA, Aurel Sorin LUP, Alina TOMESCU, "Parametrii S in aplicatii de inalta frecventa", published in the "Lucrarile Simpozionului National de Electrotehnica Teoretica", ISSN 2067-4147 (online), 6 pages.
  2. Gabriela Ciuprina, Daniel Ioan, Cosmin Bogdan Dita, Mihail Iulian Andrei, "Frequency Parameterized Models for Planar On-chip Inductors", Proceedings of the International Conference on Scientific Computing in Electrical Engineering (SCEE 2012), Sept 11-14, Zurich, Switzerland, pp.143-144.
  3. Gabriela Ciuprina, Daniel Ioan, Cosmin Bogdan Dita, Mihail Iulian Andrei, "Optimal Terminals Identification for Domain Partitioning of Electro-Magnetic Circuit Elements", Proceedings of the XII International Workshop on Optimization and Inverse problems in Electromagneticsm (OIPE 2012), Sept 19-21, Ghent, Belgium, 2012, pp.182-183.