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prof.dr.ir. G.J.M. Krijnen (Gijs)

Full Professor

About Me

I received my M.Sc. degree in Electrical Engineering with honours from the University of Twente following a study on magnetic recording carried out at the Philips Research Laboratories, Eindhoven. In 1992 I obtained the doctorate degree with honours from the same university and was rewarded the 1993 Veder price of the Dutch Electronics and Radio Engineering Society (NERG) for my PhD-thesis on nonlinear integrated optics devices. From 1992-1995 I was a fellow of the Royal Netherlands Academy of Arts and Sciences and studied second- and third-order non linear integrated optics devices. In this period I was a visiting scientist at the Center for Research and Education in Optics and Lasers in Orlando, Florida, USA. In 1995-1997 I worked on integrated optic devices for optical telecommunication at the University of Twente and the Delft University of Technology. Since1998 I have been associate professor in the Transducers Science and Technology (TST) group of the MESA+ research institute and mainly responsible for the micro-actuator research. The last few years my attention has shifted to biomimetic MEMS. In 2005 I was rewarded a NWO Vici grant for my project proposal BioEARS on cricket inspired flowsensors. Since May 1st 2007 I am a full-professor of the chair of MEMS-Design focussing on bioinspired transducers. My current research interests are Transducers science (including parametric and nonlinear transduction), Biomimetic sensors and 3D printed transducers. Since September 2020 I am the Chair of the Electrical Engineering discipline (department) of the EEMCS faculty at the UT.

Expertise

Engineering & Materials Science
3d Printers
Electrodes
Fabrication
Fused Deposition Modeling
Mems
Sensors
Physics & Astronomy
Printing
Sensors

Research

My current research interests include Transducers science in general, biomimetic, parametric and nonlinear transduction in particular, MEMS, additive manufacturing, self-assembly. The main focus is on embedded sensing in which sensors are integrated by means of multi-material printing into (soft) structural parts without assembly. Research questions include (meta-)material properties of 3D printed structures, in particular those that can be used for sensing, including conductive, piezoresistive, piezoelectric, magnetic materials. 

Publications

Recent
Jonkers, H. , Kosmas, D. , Schmitz, J. , & Krijnen, G. (2023). Thermal Resistivity of FFF Printed Carbon Black Doped Polymers. In 2023 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS) IEEE. https://doi.org/10.1109/FLEPS57599.2023.10220388
Jonkers, H., Idzenga, J. , Kosmas, D. , & Krijnen, G. (Accepted/In press). Characterization of Electrical Properties of Direct Ink Written Silver Ink. 412. Paper presented at Sensor and Measurement Science International Conference, SMSI 2023 , Nürnberg, Germany. https://doi.org/10.5162/SMSI2023/P68
Schaaij, J. , Dijkshoorn, A. , Stramigioli, S. , & Krijnen, G. (Accepted/In press). Self-sensing properties of continuous carbon fiber reinforced, 3D-printed beams. In SMSI 2023 Conference: Sensor and Measurement Science International https://doi.org/10.5162/SMSI2023/P63
Dijkshoorn, A., Neuvel, P., Jonkers, H. , Stramigioli, S. , & Krijnen, G. (Accepted/In press). In-Situ Monitoring for Fused Filament Fabrication by means of Multi-Electrode Resistance Measurements. In SMSI 2023 Conference : Sensor and Measurement Science International https://doi.org/10.5162/SMSI2023/P24
Schouten, M. (2023). 3D Printed sensors and bio-electronics for robotic applications. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036556200
Wolterink, G., Kolkman, S. , & Krijnen, G. (2022). 3D Printed Soft Robotic Actuator With Embedded Strain Sensing For Position Estimation. In 2022 IEEE SENSORS - Conference Proceedings (Proceedings of IEEE Sensors; Vol. 2022-October). IEEE. https://doi.org/10.1109/SENSORS52175.2022.9967233

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Contact Details

Visiting Address

University of Twente
Faculty of Electrical Engineering, Mathematics and Computer Science
Carré (building no. 15), room C3435
Hallenweg 21
7522NH  Enschede
The Netherlands

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Mailing Address

University of Twente
Faculty of Electrical Engineering, Mathematics and Computer Science
Carré  C3435
P.O. Box 217
7500 AE Enschede
The Netherlands