A Walking Velocity Update technique for pedestrian dead-reckoning applications

Chi Chung Lo*, Chen Pin Chiu, Yu-Chee Tseng, Sheng An Chang, Lun Chia Kuo

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

21 Scopus citations

Abstract

Inertial sensors for pedestrian dead-reckoning (PDR) have been attracting considerable attention recently. Since accelerometers are prone to the accumulation of errors, a "Zero Velocity Update" (Z-UPT) technique [1], [2] was proposed as a means to calibrate the velocity of pedestrians. However, these inertial sensors must be mounted on the bottom of the foot, resulting in excessive vibration and errors when measuring speed or orientation. This paper proposes a self-calibrating PDR solution using two inertial sensors in conjunction with a novel concept called "Walking Velocity Update" (W-UPT). One inertial sensor is mounted on the lower leg to identify a point suitable for calibrating the walking velocity of the user (when its pitch value becomes zero), while another sensor is mounted on the upper body to track the velocity and orientation. We have developed a working prototype and tested the proposed system using actual data.

Original languageEnglish
Title of host publication2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11
Pages1249-1253
Number of pages5
DOIs
StatePublished - 1 Dec 2011
Event2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11 - Toronto, ON, Canada
Duration: 11 Sep 201114 Sep 2011

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Conference

Conference2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11
CountryCanada
CityToronto, ON
Period11/09/1114/09/11

Keywords

  • body sensing
  • inertial measurement unit
  • location tracking
  • pedestrian dead-reckoning
  • wireless sensor network

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  • Cite this

    Lo, C. C., Chiu, C. P., Tseng, Y-C., Chang, S. A., & Kuo, L. C. (2011). A Walking Velocity Update technique for pedestrian dead-reckoning applications. In 2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC'11 (pp. 1249-1253). [6139700] (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC). https://doi.org/10.1109/PIMRC.2011.6139700