Rouven Christen

Senior Research Engineer

+41 58 257 34 35 rouven.christen@ost.ch

Curriculum Vitae

Projekte

  • SCCER Mobility
    • Aufbau von Versuchsanlagen zur Vermessung von Li-Ionen Batteriezellen
    • Erstellen von thermisch-elektrischen Zell-Modellen aus experimentellen Daten
  • Optimierung von elektromagnetischen Aktuatoren, ThyssenKrupp Presta AG
  • Indoor Localization, Hilti AG
  • Messroboter, Xtralis AG
  • Modellbasierte Regelung einer hochpräzisen rotatorischen Achse

Laufbahn

2018-heuteSenior Research Engineer im Institut EMS EMS
2013-2018Wissenschaftlicher Mitarbeiter im Institut EMS
2002-2013Wissenschaftlicher Mitarbeiter Empa
2009-2012M.Eng in Mechatronik (berufsbegleitend)
1998-2001Dipl. Ing. FH in Systemtechnik NTB

    Publikationen

    Journal Publikationen
    1. R Christen, G Rizzo, A Gadola and M Stöck. “Test Method for Thermal Characterization of Li-¨ Ion Cells and Verification of Cooling Concepts”. In: Batteries 3.1 (2017), S. 3. issn: 2313-0105. doi: 10.3390/batteries3010003.
    2. J Michels, J Sena Cruz, R Christen, C Czaderski and M Motavalli. “Mechanical performance of cold-curing epoxy adhesives after different mixing and curing procedures”. In: Composites Part B: Engineering 98 (2016), S. 434–443. issn: 13598368. doi: 10.1016/j.compositesb.2016.05.054.
    3. R Gines, A Bergamini, R Christen, M Motavalli and P Ermanni. “Frictional behaviour of polymer films under mechanical and electrostatic loads”. In: Smart Materials and Structures 22.7 (Juli 2013), S. 075023. issn: 0964-1726. doi: 10.1088/0964-1726/22/7/075023.
    4. J Michels, R Christen and D Waldmann. “Experimental and numerical investigation on postcracking behavior of steel fiber reinforced concrete”. In: Engineering Fracture Mechanics 98 (Jan. 2013), S. 326–349. issn: 00137944. doi: 10.1016/j.engfracmech.2012.11.004.
    5. Rocio Maldonado-Lopez and Rouven Christen. “Position-controlled data acquisition embedded system for magnetic NDE of bridge stay cables.” In: Sensors 11.1 (Jan. 2011), S. 162–179. issn: 1424-8220. doi: 10.3390/s110100162.
    6. R Christen, A Bergamini and M Motavalli. “High precision measurement of surface cracks using an optical system”. In: Measurement Science and Technology 20.7 (Juli 2009), 077001 (5pp). issn: 0957-0233. doi: 10.1088/0957-0233/20/7/077001.
    7. R Christen, A Bergamini and M Motavalli. “Influence of steel wrapping on magneto-inductive testing of the main cables of suspension bridges”. In: NDT E International 42.1 (2009), S. 22–27. issn: 09638695. doi: 10.1016/j.ndteint.2008.08.003.
    8. A Bergamini, R Christen and M Motavalli. “Electrostatically tunable bending stiffness in a GFRP–CFRP composite beam”. In: Smart Materials and Structures 16.3 (Juni 2007), S. 575– 582. issn: 0964-1726. doi: 10.1088/0964-1726/16/3/004.
    9. A Bergamini, R Christen, B Maag and M Motavalli. “A sandwich beam with electrostatically tunable bending stiffness”. In: Smart Materials and Structures 15.3 (Juni 2006), S. 678–686. issn: 0964-1726. doi: 10.1088/0964-1726/15/3/002.
    10. R Christen and A Bergamini. “Automatic flaw detection in NDE signals using a panel of neural networks”. In: NDT E International 39.7 (2006), S. 547–553. issn: 09638695. doi: 10.1016/j.ndteint.2006.03.007.
    11. R Christen, A Bergamini and K Ghazi Wakili. “Full-scale, low-temperature mechanical testing of prestressing systems”. In: Experimental Mechanics 45.1 (2005), S. 96–100.
    12. K Moser, A Bergamini, R Christen and C Czaderski. “Feasibility of concrete prestressed by shape memory alloy short fibers”. In: Materials and Structures 38.279 (Marz 2005), S. 593–600.¨ issn: 1359-5997. doi: 10.1617/14327.
    13. R Christen, A Bergamini and M Motavalli. “Three-Dimensional Localization of Defects in Stay Cables Using Magnetic Flux Leakage Methods”. In: Journal of Nondestructive Evaluation 22.3 (2003), S. 93–101.
    Konferenzbeiträge
    1. A Bergamini, R Christen, M Motavalli und P Ermanni. “Distributed Damping of Large Structures”. In: International Conference on Adaptive Structures and Technologies. Ascona, Switzerland, Okt. 2008.
    2. A Bergamini, R Christen und M Motavalli. “A simple model for the prediction of the discrete stiffness states of a homogeneous electrostatically tunable mulit-layer beam”. In: Active and Passive Smart Structures and Integrated Systems. Bd. 6525. San Diego, CA, 2007, S. 332 –341. doi: 10.1117/12.714951.
    3. R. Christen, A. Novakovic, A. Bergamini und M. Motavalli. “Filtering of NDT signals obtained from wrapped steel cables”. In: Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security. Bd. 6531. SPIE. San Diego, CA, 2007, S. 274 –285. doi: 10.1117/12.715119.
    4. A Bergamini, R Christen und M Motavalli. “Electrostatic tuning of the bending stiffness of a large scale GFRP-CFRP beam”. In: Smart Structures and Materials: Damping and Isolation. Bd. 6169. San Diego, CA, 2006, S. 323 –330. doi: 10.1117/12.659207.
    5. A Bergamini, R Christen und M Motavalli. “Elecrostatic tuning of the bending stiffness of simple, slender multi-layer composite structures”. In: Smart Structures and Materials: Damping and Isolation. Bd. 5760. San Diego, CA, 2005, S. 152–163. doi: 10.1117/12.598748.
    6. A Bergamini und R Christen. “A Simple Approach to the Localization of Flaws in Large Diameter Steel Cables”. In: Smart Nondestructive Evaluation and Health Monitoring of Structural and Biological Systems II. Bd. 5047. San Diego, CA, 2003, S. 243–251. doi: 10.1117/12.484145.
    7. A Bergamini, R Christen und M Motavalli. “A simple approach to the automatic recognition of flaws in large diameter steel cables”. In: Int. symposium on non-destructive testing in civil engineering (NDT-CE). Berlin, Germany, Sep. 2003.
    8. A Bergamini, R Christen und M Motavalli. “Damage Detection in Cables”. In: SAMCO Summer Academy. Robinson College, Cambridge University U.K., Juni 2003.
    Übrige
    1. R Christen. Power für die Batterie¨. NTB Technologie-Tag, Buchs, Switzerland, Juni 2020.
    2. R Christen. E-Dumper – grösster Elektrolaster der Welt. NTB Technologie-Tag, Buchs, Switzerland, Juni 2018.
    3. R Christen. Robotergestutzte Qualitätskontrolle von Hochsicherheits-Einbruchsensoren. NTB Technologie-Tag, Buchs, Switzerland, Juni 2014.
    4. R Christen. Erreichbare Genauigkeit bei der Folgeregelung einer rotatorischen Achse. NTB Technologie-Tag, Buchs, Switzerland, Juni 2013.
    5. R Christen. Zerstörungsfreie Seilprufung - Forschung und Entwicklung im Bauwesen. Essener Fachgespräch Prüfung von Brückenseilen, Nov. 2012.
    6. A Bergamini und R Christen. Prüfung von Litzenbündeln - Erfahrungen an der Empa. DMT Tagung Parallellitzenbündel im Brückenbau, Essen, Nov. 2008.
    7. M Baumgartner und R Christen. “Modellbasierte Folgeregelung einer hochpräzisen rotativen Achse”. Master Thesis. University of Applied Science Buchs, 2012, S. 1–76.
    8. A Bergamini und R Christen. Non-destructive inspection of steel cables with large diameters for cable-stayed bridges. ASTRA Report No 574, Mai 2004.
    9. A Bergamini, R Christen, C Czaderski und K Moser. “Innerlich vorgespannter zementgebundener Baustoff und Verfahren zu seiner Herstellung”. Swiss Patent 01935/04. 2004.

    Teaching activity

    • Mechatronik im Bachelor-Studiengang Systemtechnik