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ESA Tender AO/1-3899/01/NL/JA: CAD Tools for Passive Microwave Components Negotiation Meeting. M icrowave A pplications G roup. Contents. Presentation of Universidad Politécnica de Valencia ( UPVA ) Brief Description (Activities, Structure, Staff)
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ESA Tender AO/1-3899/01/NL/JA: CAD Tools for Passive Microwave Components Negotiation Meeting Microwave Applications Group
Contents • Presentation of Universidad Politécnica de Valencia (UPVA) • Brief Description (Activities, Structure, Staff) • Presentation of the Microwave Applications Group (GAM) • Members and Research Lines (Results) • Verification and Testing Facilities • Research Funding • Scientific Production • Research Cooperation • Technical Work to be developed by GAM-UPVA • Arbitrary Rectangular Waveguides (Speed-up) • C-junctions, Y-junctions and bends (Consultancy)
Presentation of UPVA • Created in 1971 (http://www.upv.es) • Technological University (19 Faculties): • Engineering, Architecture, Computing • 36,500 members: • 34,500 students and 2,000 staff • The GAM group in the UPVA: • Created in 1997 (http://www.dcom.upv.es) • Faculty of Electrical Engineering • Department of Communications • Institute of Informatics, Multimedia, Communications and Computers
Members of the Group • Staff Members of GAM: • Dr. Vicente E. Boria Esbert(*) (Associate Professor) • Dr. Héctor Esteban González (Associate Professor) • Dr. Santiago Cogollos Borrás (Associate Professor) • Dª Ana Vidal Pantaleoni (Assistant Professor) • D. Pablo Soto Pacheco (Assistant Professor) • Dª M. Carmen Bachiller Martín (Assistant Professor) • Contact Address of Group Leader: (*) Dpto. Comunicaciones, Universidad Politécnica de Valencia, E-46022 Valencia, SPAIN, Tel\Fax: +34 96 387 - 9718 \ 7309
Members of the Group • Researchers (Ph.D. Students): • D. Ángel A. San Blas Oltra (UPVA Programme, Spain) • D. Stephan Marini (RTN, European Commission) • D. Daniele Camilleri (RTN, European Commission) • D. José V. Morro Ros (Space Programme, Spain) • Undergraduate Students (Final Year Work): • 10 students / year (UPVA, Spain) • External Researchers: • D. Ángel Belenguer (UCLM, Cuenca, Spain)
Research Lines • Numerical Simulation of Electromagnetic Problems • Microwaves, Antennas and Propagation • Optimisation Algorithms in Electromagnetics • Direct Search, Gradient, Simplex, Genetics, Simulated Annealing • Development of Computer Aided Design (CAD) Software • Passive Waveguide Devices • Practical Design of Passive Waveguide Devices • Space, Wireless Systems (WLL, LMDS), and Microwave Heating
Some Results • H-Plane T-Junction with Rounded Corners (UPVA-UVEG) • WR-90 waveguides: • Rounded corners • Radius = 4,5 mm ESTEC/ESA Contract 12870/98/NL/MV
Some Results • Analysis of Complex Waveguide Devices (Mechanisation Effects) • Diplexer (HISPASAT 1C) • Courtesy of Alcatel Espacio • BI-RME Method • Theory of Cavities
Some Results • Inductive Filter with Rounded Corners (UPVA-UVEG) • BI-RME Method • Integral Equation Piece Manufactured prototype
Some Results • Application of Optimisation Algorithms to Filters (UPVA-UVEG) • GOFRES v.1.0: • Evanescent Mode Filters • Direct Search • Gradient Methods
Some Results • CAD Software of Inductive Filters (UPVA-UVEG) • Great reduction of CPU effort (10’) • Rounded corners could be included
Some Results • Dual-mode Filters for Space Applications (ESTEC-ESA) DUMAS v.3.0 • Elliptical Irises • Tuning Screws
Some Results • Inductive Filter at 28 GHz for LMDS Systems (UPVA) WIND v.3.3 • Tolerances < 10 m
Some Results • Doubly Corrugated Choke for Industrial Applications (UPVA) DUMAS v.3.0
Verification and Testing Facilities • Electromagnetic Simulation Laboratory • 2 mainframe computers for development of in-house software • DESAFIO v.1.0.1 and v.1.1.1, 2002 (Alcatel Espacio, Madrid) • GOFRES v.1.0, 2002 (Alcatel Espacio, Madrid) • 2 mainframe computers for commercial software • Ansoft HFSS v.8.0.25 and Optimetrics v.2.0, 2002 • Ansoft Ensemble v.8.0, 2002 • ESTEC-ESA DUMAS v.3.0, 1997 • ESTEC-ESA WIND v.3.3, 1998 • ESTEC-ESA FEST v.2.2.5, 2001 • 10 desktop computers, 3 laptop computers
Verification and Testing Facilities • Test Facilities (HP-8510 Network Analyser) • Measurements (2002): • up to 20 GHz • W-90, WR-75, WR-62 • TRL calibration • Measurements (2003+): • up to 50 GHz
Research Funding • European Commission • MMCODEF Research Training Network (V FMP), 2000-03 • Networks of Excellence and Integrated Projects (VI FMP), 2003+ • National and Local Research Programmes (2000-04) • Research Projects of Space and Information Technology Plan • Thematic Networks in Optics and Microwaves • R&D Contracts with Administrations and Industry • ESTEC-ESA Contract 12870/98/NL/MV, 1998-99 • Alcatel Espacio Contract AEO/UPV/01.3005, 2001-03
Research Funding • Budget spent by the GAM this year (2002) • Infrastructure Costs (Laboratory Equipment, etc).- • 150.000 € • Personnel Costs.- • 300.000 € • Total Costs.- • 450.000 €
Scientific Production • Co-authors of 2 book chapters.- • “Advanced Modal Analysis”, G. Conciauro, M. Guglielmi, R. Sorrentino, John Wiley & Sons, Chichester, UK • 15 Reviewed Papers in International Journals (JCR of SCI).- • IEEE Trans. on Microwave Theory and Techniques • IEEE Microwave Letters, IEE Proc. on Microwaves, Antennas and Propagation • International Journal of RF and Microwave Computer Aided Engineering • 50 Contributions (6 Invited Papers) in International Conferences.- • IEEE MTT & AP Symposium • European Microwave Conference • PIERS, ISRAMT, ECCOMAS, NUMELEC
Research Cooperation • Universities and Research Institutions (UPVA and UVEG).- • Group of Semiconductors and Optic Fiber (UVEG, Spain) • Group of Microwave Engineering and Electromagnetics (UPCT, Spain) • Group of Microwaves and RADAR (UPM, Spain) • European Space Agency (ESTEC-ESA) • University of Pavia (Italy) • LEMA-University of Lausanne (Switzerland) • FEL-TNO (The Netherlands) • Technical University of Darmstadt (Germany) • National Technical University of Athens (Greece)
Research Cooperation • Industries (UPVA and UVEG).- • Alcatel Espacio (Madrid, Spain) • Radiación y Microondas SA, RYMSA (Madrid, Spain) • Construcciones Aeronáuticas SA, CASA (Madrid, Spain) • INDRA Espacio (Madrid, Spain) • Ingegneria Dei Sistemi, IDS (Pisa, Italy) • ITLink srl, (Livorno, Italy) • COM DEV (United Kingdom) • TESAT SPACECOM, Bosch SatCom (Germany)
y W S b x a Technical Work • Efficient Modal Analysis of Arbitrary Rectangular Waveguides • Following the BI-RME method: • Modal Chart computation[1] • Coupling Integrals calculation [2] • [1] G.Conciauro et al., IEEE Trans. on MTT, vol. 32(11), pp. 1495-1504, 1984. • [2] P. Arcioni, IEEE Microwave Guided Wave Letters, vol. 6(6), pp. 232-234, 1996.
y W S b x a y W S b x a Technical Work • Efficient Modal Analysis of Arbitrary Rectangular Waveguides • Definition of the geometry: • Straight, Circular and Elliptical Segments • Combination of these Segments
Technical Work • Integration into FEST v.3.1.- • Minor computational CPU effort (speed-up): • Improved optimized evaluation of Green’s function • Greater precision: • Finer segmentation in conflictive points • Analysis of conductors without thickness: • Geometries with zero thickness conductors • Integration of straight, circular and elliptical segments • Analysis of waveguides with multiple conductors: • Multiple TEM modes
Technical Work • Rectangular Waveguide Cubic Junction • Using the Theory of Cavities[1,2]: • Y-matrix representation • Acceleration of triple series • Using the Integral Equation Technique: • Z-matrix representation • Acceleration of the Kernel • [1] V.E. Boria et al., IEE Proc. on MAP, vol. 147(6), pp. 417-422, 2000. • [2] S. Cogollos et al., Annals of Telecom., vol. 56(1-2), pp. 94-103, 2001.
Technical Work • Rectangular Waveguide Six-Port Cross Junction • WR-62 waveguides: • 0,75 sec./freq. (Pentium III)
Technical Work • Cubic Waveguide Junction with Arbitrarily Shaped Access Ports • Using Theory of Cavities[1]: • Modal Analysis (BI-RME).- • access ports modes • Coupling Integrals.- • cavity and access port modes • new BI-RME expressions • [1] S.Cogollos, V.E. Boria, P. Soto, A.A. San Blas, B. Gimeno and M. Guglielmi, Submitted to IEE Proc. on MAP, June 2002.
Technical Work • H-Plane T-Junction with Rounded Corners • WR-90 waveguides: • Corner Radius = 4,5 mm
S41 S33 S44 S21 S31 S11 Technical Work • Magic-T Junction with Rounded Corners Reflection Coefficients Transmission Coefficients • WR-90 waveguides: • Corner Radius = 4,5 mm