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A Short Distance CW-Radar Sensor at 77 GHz in LTCC for Industrial Applications

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Abstract

The paper presents a Continuous-Wave(CW)-Radar sensor for high accuracy distance measurements in industrial applications. The usage of radar sensors in industrial scenarios has the advantage of a robust functionality in wet or dusty environments where optical systems reach their limits. This publication shows that accuracies of a few micro-meters are possible with millimeter-wave systems. In addition to distance measurement results the paper describes the sensor concept, the experimental set-up with the measurement process and possibilities to increase the accuracy even further.

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References

  1. A. Wiesner, “A dual frequency interferometric cw radar for vital signs detection,” in 2011 European Radar Conference (EuRAD), oct. 2011, pp. 365 –368.

  2. G. Armbrecht, E. Denicke, N. Pohl, T. Musch, and I. Rolfes, “Obstacle based concept for compact mode-preserving waveguide transitions for high-precision radar level measurements,” in 38th European Microwave Conference 2008. EuMC 2008, oct. 2008, pp. 472 –475.

  3. T. Bartnitzek, T. Purtova, C. Rusch, S. Kaminski, and T. Feger, “An Investigation of the Process Stability of RF SiP Made of DuPont 943 and 9K7,” in Journal of Microelectronics and Electronic Packaging, vol. 8, no. 1, pp. 34–41, 2011.

    Google Scholar 

  4. C. Rusch, J. Schäfer, S. Beer, and T. Zwick, “W-band short distance CW-radar antenna optimized by housing design,” in 2012 I.E. International Workshop on Antenna Technology (iWAT), march 2012, pp. 104 –107.

  5. C. Rusch, S. Beer, T. Zwick, T. Klein, "77 GHz CW-radar concept with passive components in LTCC," 42nd European Microwave Conference (EuMC), 2012, vol., no., pp.281,284, Oct. 29 2012-Nov. 1 2012

  6. A. Lamminen and J. Säily, “77 GHz beam-switching high-gain end-fire antenna on LTCC,” in ICECom, 2010 Conference Proceedings, sept. 2010, pp. 1 –4.

  7. X. Wang and A. Stelzer, “A 79-GHz LTCC RF-frontend for short-range applications,” in IEEE MTT-S International Microwave Symposium Digest (MTT) 2011, june 2011, pp. 1 –4.

  8. Y. Venot and W. Wiesbeck, “76.5 GHz radar sensor for contact-free distance measurement with micrometer accuracy,” in Proceedings of IEEE Sensors 2003, vol. 1, oct. 2003, pp. 216 – 221 Vol.1.

  9. T. Klein, M. Faassen, R. Kulke, C. Rusch, "A 77 GHz radar frontend in LTCC for small range, high precision industrial applications," 42nd European Microwave Conference (EuMC), 2012, vol., no., pp.1285,1288, Oct. 29 2012-Nov. 1 2012

  10. S. Kim, C. Nguyen, "A displacement measurement technique using millimeter-wave interferometry," , IEEE Transactions on Microwave Theory and Techniques, vol.51, no.6, pp.1724,1728, June 2003

  11. A. Koelpin, G. Vinci, F. Barbon, S. Lindner, G. Fischer, R. Weigel, „The six-port technology: a low-cost concept for precise position measurements,“, 9th International Multi-Conference on Systems, Signals and Devices, 2012, 20-23 March 2012

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Acknowledgements

The described sensor system was developed in the context of a research project, aided by the AiF, identifier KF2403401WM9. The authors thank all project partners especially VIA electronic for manufacturing the RF-frontend in LTCC and Novotechnik for the development of the experimental baseband FR4-board.

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Correspondence to Christian Rusch.

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Rusch, C., Klein, T., Beer, S. et al. A Short Distance CW-Radar Sensor at 77 GHz in LTCC for Industrial Applications. J Infrared Milli Terahz Waves 34, 856–865 (2013). https://doi.org/10.1007/s10762-013-0025-0

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  • DOI: https://doi.org/10.1007/s10762-013-0025-0

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