Thomas Rylander

Docent at Electrical Engineering, Signalbehandling och medicinsk teknik, Signal Processing

Thomas Rylander is an Associate Professor in the Signal processing research group.

Source: chalmers.se

Projects

2011–2014

Model-based Reconstruction and Classification Based on Near-Field Microwave Measurements

Mats Viberg Signal Processing
Mikael Persson Biomedical Electromagnetics
Tomas McKelvey Signal Processing
Thomas Rylander Signal Processing
Jian Yang Antennas
Lennart Svensson Signal Processing
Swedish Research Council (VR)

2014–2017

Safe inductive energy transfer for electric vehicles

Tomas McKelvey Signal Processing
Thomas Rylander Signal Processing
JOHAN WINGES Signal Processing
Swedish Energy Agency

There might be more projects where Thomas Rylander participates, but you have to be logged in as a Chalmers employee to see them.

Publications

2017

Microwave measurement system for dispersive dielectric properties of densely packed pellets

JOHAN WINGES, Staffan Folestad, Thomas Rylander et al
Measurement: Journal of the International Measurement Confederation. Vol. 106, p. 179-189
Journal article
2017

Microwave technology for detecting traumatic intracranial bleedings: tests on phantom of subdural hematoma and numerical simulations

Mikael Elam, Tomas McKelvey, Mikael Persson et al
Medical and Biological Engineering and Computing. Vol. 55 (8), p. 1177-1188
Journal article
2017

System Identification and Tuning of WPT Systems

Christian Ekman, JOHAN WINGES, Lars-Åke Johansson et al
Paper in proceedings
2017

Matched filter for microwave-based detection of dielectric objects in powders

Tomas McKelvey, Thomas Rylander, Johan Nohlert
Paper in proceedings
2017

Compressed Sensing for the Detection and Positioning of Dielectric Objects Inside Metal Enclosures by Means of Microwave Measurements

Livia Cerullo, JOHAN WINGES, Thomas Rylander et al
IEEE Transactions on Microwave Theory and Techniques. Vol. PP (99), p. 1-15
Journal article
2016

Higher-order brick-tetrahedron hybrid method for Maxwell's equations in time domain

JOHAN WINGES, Thomas Rylander
Journal of Computational Physics. Vol. 321, p. 698-707
Journal article
2016

Microwave Measurement System for Detection of Dielectric Objects in Powders

Tomas McKelvey, Thomas Rylander, Johan Nohlert
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (11), p. 3851-3863
Journal article
2016

Estimating Scatterer Positions using Sparse Approximation

JOHAN WINGES, Thomas Rylander
Swedish Microwave Days, March 15-16, Linköping. Vol. 2016, p. 120-
Conference contribution
2016

Microwave Measurement System for Detection of Dielectric Objects in Powders

Johan Nohlert, Tomas McKelvey, Thomas Rylander
IEEE Transactions on Microwave Theory and Techniques. Vol. 64 (11), p. 3851-3863
Journal article
2015

Microwave Resonator Sensor for Detection of Dielectric Objects in Metal Pipes

Thomas Rylander, Tomas McKelvey, Johan Nohlert
IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 11-14 May 2015, Pisa, p. 914-919
Paper in proceedings
2015

Higher-order hybrid method for curl-conforming elements on tetrahedrons and bricks

Thomas Rylander, JOHAN WINGES
Electromagnetics in Advanced Applications (ICEAA), 2015 International Conference on (7-11 Sept. 2015), p. 1016 - 1019
Paper in proceedings
2014

Higher-Order Finite Element Solver for Maxwell’s Equations

Thomas Rylander, JOHAN WINGES
Conference poster
2014

Global monitoring of fluidized-bed processes by means of microwave cavity resonances

Anders Rasmuson, A. Holmgren, Lubomir Gradinarsky et al
Measurement: Journal of the International Measurement Confederation. Vol. 55, p. 520-535
Journal article
2014

Optimization of sensor positions for a quasi-magnetostatic inverse problem

Gustav Risting, Oskar Talcoth, Thomas Rylander
Proceedings of AntennEMB 2014, p. 90-
Conference contribution
2014

Global monitoring of fluidized-bed processes by means of microwave cavity resonances

Tomas McKelvey, Staffan Folestad, Mats Viberg et al
Measurement: Journal of the International Measurement Confederation. Vol. 55, p. 520-535
Journal article
2014

A multi-scale electromagnetic model of pacemaker lead heating in MRI

Oskar Talcoth, Thomas Rylander
Proceedings of AntennEMB 2014, p. 113-
Conference poster
2014

Global monitoring of fluidized-bed processes by means of microwave cavity resonances

Thomas Rylander, Livia Cerullo, Mats Viberg et al
Measurement: Journal of the International Measurement Confederation. Vol. 55, p. 520-535
Journal article
2014

Global monitoring of fluidized-bed processes by means of microwave cavity resonances

Johan Nohlert, Mats Viberg, A. Holmgren et al
Measurement: Journal of the International Measurement Confederation. Vol. 55, p. 520-535
Journal article
2013

Sensitivity Optimization for Electromagnetic Measurement Systems by Sensor Selection

Oskar Talcoth, Thomas Rylander, Gustav Risting
Paper in proceedings
2013

Microwave Measurements for Metal Vessels

JOHAN WINGES, Staffan Folestad, Thomas Rylander et al
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013, p. 3869 - 3873
Paper in proceedings
2013

Microwave technology for localization of traumatic intracranial bleedings—a numerical simulation study

Tomas McKelvey, Stefan Candefjord, JOHAN WINGES et al
Journal of Logic and Computation, p. 1948-1951
Paper in proceedings
2013

Sensor selection in magnetic tracking based on convex optimisation

Oskar Talcoth, Thomas Rylander
Electronics Letters. Vol. 49 (1), p. 15-16
Journal article
2013

Microwave technology for localization of traumatic intracranial bleedings—a numerical simulation study

Stefan Candefjord, Thomas Rylander, JOHAN WINGES et al
Journal of Logic and Computation, p. 1948-1951
Paper in proceedings
2012

Model reduction for inverse scattering problems

JOHAN WINGES, Yinan Yu, Thomas Rylander et al
Conference poster
2012

Inverse scattering for a closed cavity equipped with microwave antenna sensors

Staffan Folestad, Livia Cerullo, Mats Viberg et al
Conference poster
2012

Modeling of a multi-scale electromagnetic problem: pacemaker lead heating in MRI

Thomas Rylander, Oskar Talcoth
Proceedings of AntennEMB 2012, p. 24-
Conference poster
2012

Convex optimization of sensor positions for organ-positioning during radiotherapy

Oskar Talcoth, Thomas Rylander
Proceedings of Medicinteknikdagarna 2012, p. 87-
Conference contribution
2011

Monolithic Multi-Scale Modeling of MR-Induced Pacemaker Lead Heating

Thomas Rylander, Oskar Talcoth, Hoi-Shun Lui et al
13th International Conference on Electromagnetics in Advanced Applications (ICEAA), 2011, Torino, 12-16 September 2011, p. 599 - 602
Paper in proceedings
2011

Concurrent estimation of space and frequency variation for dielectrics: a microwave tomography system for process sensing applications

Livia Cerullo, Mats Viberg, Staffan Folestad et al
Proceedings of the 9th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances, Kansas City, MO USA, May 31 - June 3, 2011, p. 177-184
Paper in proceedings
2011

Electromagnetic Modeling of Pacemaker Lead Heating During MRI

Oskar Talcoth, Thomas Rylander
Report
2011

Optimal measurements in magnetic tracking for organ-positioning during radiotherapy

Hoi-Shun Lui, Mikael Persson, Oskar Talcoth et al
Proceedings of Medicinteknikdagarna 2011, p. 79-
Conference contribution
2011

MR-induced heating of pacemaker leads: A parameter study of contributing factors based on multi-scale modeling

Mikael Persson, Oskar Talcoth, Hoi-Shun Lui et al
Proceedings of Medicinteknikdagarna 2011, p. 52-
Conference contribution
2011

Optimization of Sensor Positions in Magnetic Tracking

Oskar Talcoth, Thomas Rylander
Report
2010

A linear nonconforming finite element method for Maxwell's equations in two dimensions. Part I: Frequency domain

Thomas Rylander, Peter F G Hansbo
Journal of Computational Physics. Vol. 229 (18), p. 6534-6547
Journal article
2010

Gradient-based shape optimisation of conformal array antennas

Per Jacobsson, Thomas Rylander
IET Microwaves, Antennas and Propagation. Vol. 4 (2), p. 200-209
Journal article
2010

Reconstruction of metal protrusion on flat ground plane

Parham Hashemzadeh, Mats Viberg, Thomas Rylander
IET Microwaves, Antennas and Propagation. Vol. 4 (11), p. 1746-1755
Journal article
2010

Optimization of sensor placement in magnetic tracking

Hoi-Shun Lui, Oskar Talcoth, Thomas Rylander et al
Proceedings of Medicinteknikdagarna 2010, p. 53-
Conference contribution
2010

MR-induced heating of pacemaker leads: Modeling and simulations

Mikael Persson, Oskar Talcoth, Hoi-Shun Lui et al
Proceedings of Medicinteknikdagarna 2010, p. 173-
Conference poster
2010

Determination of model order for inverse scattering applications

Mats Viberg, Thomas Rylander, Livia Cerullo
Paper in proceedings
2010

Fisher information analysis and preconditioning in electrical impedance tomography

T. Sjödén, P. Hashemzadeh, B. Nilsson et al
Journal of Physics: Conference Series. Vol. 224 (1), p. Art. no. 012057-
Paper in proceedings
2010

A Finite Element Method Approach to the Finite-Difference Time-Domain Scheme with Cut Cells

Thomas Rylander, Per Jacobsson
Electromagnetics. Vol. 30 (1--2), p. 82 - 93
Journal article
2010

An adjoint field approach to Fisher information-based sensitivity analysis in electrical impedance tomography

M. Gustafsson, T. Sjödén, B. Nilsson et al
Inverse Problems. Vol. 26 (12)
Journal article
2009

Shape optimization of the total scattering cross section for cylindrical scatterers

Per Jacobsson, Thomas Rylander
Radio Science. Vol. 44 (4)
Journal article
2009

Shape Optimization of Conformal Array Antennas

Thomas Rylander, Per Jacobsson
European Conference on Antennas and Propagation, p. 2713-2717
Paper in proceedings
2008

Shape and excitation optimization for conformal array antennas

Tomas Halleröd, Thomas Rylander
Radio Sci.. Vol. 43
Journal article
2008

Analysis of 3-D shape estimation using bistatic multi-channel radar systems

Mats Viberg, Thomas Rylander, Parham Hashemzadeh
SAM 2008 - 5th IEEE Sensor Array and Multichannel Signal Processing Workshop; Darmstadt; Germany; 21 July 2008 through 23 July 2008, p. 463-467
Paper in proceedings
2008

Electric and magnetic losses modeled by a stable hybrid with explicit-implicit time-stepping for Maxwell's equations

Tomas Halleröd, Thomas Rylander
Journal of Computational Physics. Vol. 227 (9), p. 4499-4511
Journal article
2008

Shape and material optimization of total radar cross section for antenna struts

Thomas Rylander, Per Jacobsson
Paper in proceedings
2008

Comparison of blockage widths of ideally hard cylinders of different cross-sectional shapes

Per-Simon Kildal, P. Jacobsson, Thomas Rylander et al
Paper in proceedings
2008

Shape Optimization of Total Radar Cross Section for Antenna Struts

Per Jacobsson, Thomas Rylander
Paper in proceedings
2007

A higher-order finite element method with an explicit higher-order time integration scheme

Thomas Rylander, DAVID DEGERFELDT
EMB07 Computational Electromagnetics Methods and Applications, Lund, Sweden, Oct 18-19, 2007, p. 91-98
Paper in proceedings
2007

Numerical evaluation of near-singular integrals on curvilinear triangular domains

Matthys M Botha, Thomas Rylander
2007 IEEE Antennas and Propagation Society International Symposium, AP-S; Honolulu, HI; United States; 10 June 2007 through 15 June 2007, p. 4837-4840
Paper in proceedings
2007

Design and optimization of coreless components using admittance matrix and efficiently calculated sensitivities

Per Jacobsson, Ener Salinas, Juan Atalaya et al
IEEE Transactions on Magnetics. Vol. 43, p. 1621-1624
Journal article
2007

Reducing Sidelobes from Blocking Struts by Metamaterials Cloaking and Shape Optimization

Thomas Rylander, Per-Simon Kildal, Ulf Carlberg et al
Journal article
2006

A quasi-planar incident wave excitation for time-domain scattering analysis of periodic structures

Tomas Halleröd, Börje Emilsson, Thomas Rylander et al
International Journal of Numerical Modelling: Electronic Networks, Devices, and Fields. Vol. 19 (5), p. 409-419
Journal article
2006

A broad frequency band analysis of conformal array antennas

Tomas Halleröd, Thomas Rylander, DAVID DEGERFELDT
Paper in proceedings
2006

A Brick-Tetrahedron Finite-Element Interface with Stable Hybrid Explicit-Implicit Time-Stepping for Maxwell's Equations

DAVID DEGERFELDT, Thomas Rylander
Journal of Computational Physics. Vol. 220 (1), p. 383-393
Journal article
2006

Design of Inductors Using Efficiently-Calculated Sensitivities of the Admittance Matrix

Ener Salinas, Thomas Rylander, Yueqiang Liu et al
Paper in proceedings
2005

Stealth design by means of shape and materials optimization

Tomas Halleröd, Thomas Rylander, Per Jacobsson et al
Paper in proceedings
2005

Perfectly Matched Layer in Three Dimensions for the Time-Domain Finite Element Method Applied to Radiation Problems

Thomas Rylander, Jian-Ming Jin
IEEE Transactions on Antennas and Propagation. Vol. 53 (4), p. 1489-1499
Journal article
2005

A quasi-planar incident wave excitation for time-domain scattering analysis of periodic structures

David Ericsson, Börje Emilsson, Anders Bondeson et al
Preprint
2005

Shape and materials optimization to reduce RCS for antenna mounted on airfoil

Tomas Halleröd, Thomas Rylander
Paper in proceedings
2005

Gradient Optimization of Microwave Devices Using Continuum Design Sensitivities from the Adjoint Problem

Tomas Halleröd, Yongtao Yang, Thomas Rylander et al
IEEE Transactions on Magnetics. Vol. 2005 (5), p. 1780-1783
Journal article
2005

Advances in FEM-FDTD hybrid methods

Douglas Riley, Fredrik Edelvik, Thomas Rylander et al
Chapter in monograph, book
2005

Optimization of Frequency Selective Surfaces

Thomas Rylander, David Ericsson
Paper in proceedings
2005

Some issues in online assessment

Martin Persson, Michael Christie, Yueqiang Liu et al
Paper in proceedings
2005

Computational Electromagnetics

Pär Ingelström, Anders Bondeson, Thomas Rylander
Book
2005

Reduction of Total Scattering From Antenna Struts Using Shape Optimization

Thomas Rylander, Per Jacobsson, Yueqiang Liu
Paper in proceedings
2004

Stability, accuracy and application of an FDTD-TDFEM algorithm

Thomas Rylander, Anders Bondeson, Yueqiang Liu
Paper in proceedings
2004

Application of Gradient Method to Shape Optimization in 3D

Anders Bondeson, Thomas Rylander, Yongtao Yang
Paper in proceedings
2004

Estimation of Resonance Frequencies and Quality Factors for Driven Electromagnetic Systems

Tomas McKelvey, Mats Viberg, Thomas Rylander
Paper in proceedings
2004

Stable Coaxial Waveguide Port Algorithm for the Time Domain Finite Element Method

Thomas Rylander, Jian-Ming Jin
Microwave Opt. Techn. Lett.. Vol. 42 (2), p. 115-119
Journal article
2004

FEM Analysis of Corrugated Waveguides

Omid Sotoudeh, Thomas Rylander, Per-Simon Kildal
Paper in proceedings
2004

Perfectly Matched Layers in Three Dimensions for the Time-Domain Finite Element Method

Jianming Jin, Thomas Rylander
Paper in proceedings
2004

Perfectly Matched Layer for the Time Domain Finite Element Method

Jian-Ming Jin, Thomas Rylander
J. of Comput. Phys.. Vol. 200 (1), p. 238-250
Journal article
2004

FEM-FDTD Hybrid Simulation of a PIFA inside a Car – Compared to Measurements

Thomas Rylander, Jan Carlsson, Yueqiang Liu et al
Paper in proceedings
2004

FEM-FDTD Hybrid Simulation of a PIFA on a Car - Compared to Measurements

Peter Ankarson, Jan Carlsson, Yueqiang Liu et al
Paper in proceedings
2003

FEM-FDTD hybrid simulation of antennas in vehicles

Yueqiang Liu, Yading Li, Peter Ankarson et al
Paper in proceedings
2003

Estimation of Resonant Frequencies and Quality Factors from Time Domain Computations

Thomas Rylander, Tomas McKelvey, Mats Viberg
Journal of Computational Physics. Vol. 192 (2), p. 523-545
Journal article
2003

Accurate extrapolation to zero cell size by Pade approximation

Love Lindholm, Thomas Rylander, Pär Ingelström
International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. Vol. 16 (3), p. 287-298
Journal article
2002

Patch antennas on inhomogeneous substrates

Anders Derneryd, Peter Waller, Thomas Rylander et al
Paper in proceedings
2002

Optimization of broadband transition from waveguide to microstrip

Jan Stake, Anders Bondeson, Thomas Rylander et al
Paper in proceedings
2002

Application of Stable FEM-FDTD Hybrid to Scattering Problems

Thomas Rylander, Anders Bondeson
IEEE Transactions on Antennas and Propagation. Vol. 50 (2), p. 141-144
Journal article
2002

Stable FEM-FDTD Hybrid Method for Maxwell's Equations

Thomas Rylander
Doctoral thesis
2002

Stability of explicit-implicit hybrid time-stepping schemes for Maxwell's equations

Thomas Rylander, Anders Bondeson
J. of Comput. Phys.. Vol. 179 (2), p. 426-438
Journal article
2002

Patch antennas on inhomogeneous substrates

Thomas Rylander, Peter Waller
Report
2001

Patch Antennas on Inhomogeneous Substrates

Peter Waller, Thomas Rylander
Paper in proceedings
2001

Adaptive mesh techniques for the FEM-FDTD hybrid solver

Pär Ingelström, Thomas Rylander, Anders Bondeson
Paper in proceedings
2001

Iterative solution of global electromagnetic wavefields with finite elements

Anders Bondeson, Karin Blomqvist, Andre Jaun et al
Comput. Phys. Comm.. Vol. 135 (1), p. 74-81
Journal article
2000

The application of edge elements in electromagnetics

Thomas Rylander
Licentiate thesis
2000

Stable FEM-FDTD hybrid method for Maxwell's equations

Thomas Rylander, Anders Bondeson
Comput. Phys. Comm.. Vol. 125 (1-3), p. 75-82
Journal article
2000

Application of Stable FEM-FDTD Hybrid to Scattering and Antenna Problems

Thomas Rylander, Pär Ingelström, Anders Bondeson
Paper in proceedings
1999

Iterative Solution of Maxwell's Equation with Finite Elements

Andre Jaun, Karin Blomkvist, Thomas Rylander et al
Paper in proceedings
1999

Hybrid Method Combining FDTD and FEM for Maxwell's Equations

Anders Bondeson, Thomas Rylander
Paper in proceedings
1998

FEM algorithms for Maxwell's equations

Anders Bondeson, Mårten Levenstam, Rickard Bergström et al
Paper in proceedings