Jan Kenneth Bekkeng

• Thio, Vincent Martello Kwie Hoe; Aparicio, Joaquin; Ånonsen, Kjetil Bergh; Bekkeng, Jan Kenneth & Booij, Wilfred (2021). Fusing of a continuous output PDR algorithm with an ultrasonic positioning system. IEEE Sensors Journal. ISSN 1530-437X. 22(3), p. 2464–2474. doi: 10.1109/JSEN.2021.3134468. Full text in Research Archive
• Thio, Vincent Martello Kwie Hoe; Aparicio, Joaquin; Ånonsen, Kjetil Bergh & Bekkeng, Jan Kenneth (2021). Experimental Evaluation of the Forkbeard Ultrasonic Indoor Positioning System. IEEE Transactions on Instrumentation and Measurement. ISSN 0018-9456. doi: 10.1109/TIM.2021.3136261. Full text in Research Archive
• Thio, Vincent; Ånonsen, Kjetil Bergh & Bekkeng, Jan Kenneth (2021). Relative Heading Estimation for Pedestrians Based on the Gravity Vector. IEEE Sensors Journal. ISSN 1530-437X. 21(6), p. 8218–8225. doi: 10.1109/JSEN.2021.3052430. Full text in Research Archive Show summary

  Inertial navigation of pedestrians carrying a smart device is a core component of many indoor positioning systems. While infrastructure-based solutions typically depend on an installation of dedicated hardware, inertial navigation depends only on sensors embedded in the device itself. A single solution can thus be applied to a large range of use cases. This work focuses on one of the main challenges in inertial navigation: user heading estimation. We describe a complete statistical model for heading estimation based on the IMU and magnetometer, assuming a fixed device pose on the pedestrian. Our aim is to provide a stand-alone solution, suitable for direct implementation into a larger positioning framework. The method consists of two consecutive parts. The first focuses on gravity vector estimation based on IMU data. We describe a method for obtaining independent estimates under dynamic conditions, thereby removing the quasi-static initialization phase required by conventional methods. The second part combines the gravity vector with gyro and magnetic measurements to estimate user heading. The proposed method is tested against a motion capture system, and against an alternative method based on attitude. We find that both methods produce similar results in terms of accuracy.

• Oksavik, Kjellmar; Moen, Jøran Idar; Lester, M; Bekkeng, Tore Andre & Bekkeng, Jan Kenneth (2012). In situ measurements of plasma irregularity growth in the cusp ionosphere. Journal of Geophysical Research (JGR): Space Physics. ISSN 2169-9380. 117(A11). doi: 10.1029/2012JA017835.
• Bekkeng, Tore Andre; Jacobsen, Knut Stanley; Bekkeng, Jan Kenneth; Lindem, Torfinn; Lebreton, JP & Moen, Jøran Idar (2010). Design of a multi-needle Langmuir probe system. Measurement Science and Technology. ISSN 0957-0233. 21(8). doi: 10.1088/0957-0233/21/8/085903.
• (2009). Calibration of a Novel MEMS Inertial Reference Unit. IEEE Transactions on Instrumentation and Measurement. ISSN 0018-9456. 58(6), p. 1967–1974. doi: 10.1109/TIM.2008.2006126. Show summary

  This paper describes a novel low-cost inertial reference unit (IRU) developed for spin-stabilized sounding rockets, as well as a method to calibrate the IRU using a one-axis rate table. The IRU contains three orthogonally mounted microelectromechanical system (MEMS) gyros and is intended for use in a low-cost system for attitude determination of sounding rockets. The high spin velocity of the rockets (4-6 r/s) causes sensor mis-alignments and scale factor errors to have a large effect on the gyro outputs. The performance of the IRU is considerably improved by detailed calibration, including temperature compensation. For sounding rocket applications, the total rate error is typically reduced by more than one order of magnitude. The calibration procedure uses a ramp profile calibration maneuver input at all three sensor axes and a Kalman filter to estimate the 12 error parameters.

• (2009). Calibration of a Novel MEMS Inertial Reference Unit. IEEE Transactions on Instrumentation and Measurement. ISSN 0018-9456. 58(6), p. 1967–1974. doi: 10.1109/TIM.2008.2006126.
• Bekkeng, Jan Kenneth & Psiaki, Mark (2008). Attitude estimation for sounding rockets using microelectromechanical system gyros. Journal of Guidance Control and Dynamics. ISSN 0731-5090. 31, p. 533–542.
• Bekkeng, Jan Kenneth; Booij, W. & Moen, Jøran Idar (2005). Development of miniaturized low cost attitude determination system for sounding rockets. ESA SP. ISSN 0379-6566. SP590, p. 281–286.
• Bekkeng, Jan Kenneth & Moen, Jøran Idar (2003). Rocket probe for electric field measurements in PMSE and NLC Regions. Proceedings / ESA Symposium on the European Rocket and Balloon Programmes and Related Research. ESA SP-530, p. 333–338.
• Moen, Jøran Idar; Bekkeng, Jan Kenneth; Pedersen, Arne & Aase, J. G. (2003). ICI-1: A new sounding rocket concept to observe micro-scale physics in the cusp ionosphere. Proceedings / ESA Symposium on the European Rocket and Balloon Programmes and Related Research. ESA SP-530, p. 543–548.

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• Moen, Jøran Idar; Oksavik, Kjellmar; Carlson, Herbert C; Spicher, Andres; Bekkeng, Tore Andre & Clausen, Lasse Boy Novock [Show all 11 contributors for this article] (2018). The Investigation of Cusp Irregularities Rocket Program.
• Moen, Jøran Idar; Oksavik, Kjellmar; Carlson, Herbert C; Stausland, Christoffer T; Clausen, Lasse Boy Novock & Daabakk, Yvonne [Show all 12 contributors for this article] (2017). Kelvin Helmholtz and Gradient Drift instabilities in ionosphere cusp flow channels.
• Clausen, Lasse Boy Novock; Moen, Jøran Idar; Saito, Yoshifumi; Chaston, C. C.; Trondsen, Espen & Bekkeng, Tore Andre [Show all 7 contributors for this article] (2013). Inertial Alfven waves observed by ICI-2.
• Moen, Jøran Idar; Dåbakk, Yvonne Rinne; Bekkeng, Jan Kenneth; Bekkeng, Tore Andre; Pedersen, A. & Abe, T. [Show all 10 contributors for this article] (2013). INVESTIGATION OF A CUSP FLOW CHANNEL BY THE ICI-3 SOUNDING ROCKET.
• Moen, Jøran Idar; Dåbakk, Yvonne Rinne; Oksavik, Kjellmar; Bekkeng, Tore Andre; Bekkeng, Jan Kenneth & Lorentzen, Dag Arne [Show all 11 contributors for this article] (2012). Investigation of reversed flow channel events by the ICI-3 sounding rocket.
• Moen, Jøran Idar; Bekkeng, Jan Kenneth; Bekkeng, Tore Andre; Pedersen, Arne; Abe, T & Saito, Y [Show all 9 contributors for this article] (2011). In-situ observations of plasma instabilities in the F-region cusp/polar cap ionosphere.
• Moen, Jøran Idar; Oksavik, Kjellmar; Abe, T.; Lester, M.; Saito, Y. & Bekkeng, Jan Kenneth [Show all 7 contributors for this article] (2010). The first in-situ observations of echoing HF radar backscatter targets.
• Moen, Jøran Idar; Oksavik, Kjellmar; Abe, T.; Lester, M.; Saito, Y. & Bekkeng, Jan Kenneth [Show all 7 contributors for this article] (2010). The first in-situ observations of echoing HF radar backscatter targets, Seventh European Space Weather Week, Brugge.
• Bekkeng, Tore Andre; Bekkeng, Jan Kenneth; Lindem, Torfinn; Moen, Jøran Idar; Pedersen, Arne & Trondsen, Espen (2009). Development Of A Multi-Needle Langmuir Probe System.
• Bekkeng, Jan Kenneth; Bekkeng, T. A.; Trondsen, Espen; Agnalt, T. A. & Moen, Jøran Idar (2009). Instrumentation and mechanical boom systems for the ICI-2 rocket, 19th ESA Symposium on European Rocket and Balloon Programmes and Related Research.
• Moen, Jøran Idar; Bekkeng, Jan Kenneth; Bekkeng, T. A.; Pedersen, A.; Jacobsen, K. S. & Trondsen, Espen [Show all 16 contributors for this article] (2009). On the investigation of cusp irregularities by sounding rockets.
• Bekkeng, Jan Kenneth; Pedersen, A.; Trondsen, Espen & Moen, Jøran Idar (2009). Measurements of Cusp Polar Cap Electric Fields on the ICI-2 Rocket.
• Moen, Jøran Idar; Bekkeng, Jan Kenneth; Bekkeng, T. A.; Pedersen, A.; Jacobsen, K. S. & Trondsen, Espen [Show all 16 contributors for this article] (2009). On the Investigation of cusp irregularities by sounding rockets.
• Bekkeng, Jan Kenneth & Psiaki, Mark (2006). Attitude Estimation for Sounding Rockets using MEMS gyros.
• (2005). Development of miniaturised low cost attitude determination system for sounding rockets.
• Moen, Jøran Idar; Bekkeng, Jan Kenneth & Pedersen, Arne (2003). ICI-1: A new sounding rocket concept to observe micro-scale physics in the cusp ionosphere.
• (2003). Rocket probe for electric field measurements in PMSE and NLC regions.
• (2003). Rakettmålinger av elektriske felter i ionosfæren.
• Bekkeng, Jan Kenneth; Moen, Jøran Idar & Booij, W. (2007). Prototype Development of a Low-Cost Sounding Rocket Attitude Determination System and an Electric field Instrument. Unipub forlag. ISSN 1501-7710.

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