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A new approach for attitude estimation of unicycle robot

  • Harbin Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Attitude Estimation is critical for balance control of Unicycle Robot, Accelerometers and gyroscopes are always used for posture detecting, and unscented Kalman filter(UKF) is adopted as sensors information fusion algorithm. Because the accelerometer is sensitive to external vibration and non-gravitational acceleration, the results of attitude estimation are extremely inaccurate. In order to overcome this problem, through the deeply analysis to Kalman filter algorithm and coupled with a strong validation of experimental results, this paper proposes a new approach based on the UKF algorithm. The new algorithm compensates the external acceleration errors by adjusting the measurement noise covariance adaptively. The experimental results show that the extended unscented Kalman filter algorithm has a good effect for solving unicycle robot posture detecting problems and eventually gets the more accurate attitude angles.

Original languageEnglish
Title of host publicationProceedings of 2015 International Conference on Fluid Power and Mechatronics, FPM 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages756-760
Number of pages5
ISBN (Electronic)9781479987702
DOIs
StatePublished - 24 Nov 2015
Event7th International Conference on Fluid Power and Mechatronics, FPM 2015 - Harbin, China
Duration: 5 Aug 20157 Aug 2015

Publication series

NameProceedings of 2015 International Conference on Fluid Power and Mechatronics, FPM 2015

Conference

Conference7th International Conference on Fluid Power and Mechatronics, FPM 2015
Country/TerritoryChina
CityHarbin
Period5/08/157/08/15

Keywords

  • UKF
  • Unicycle Robot
  • accelerometer
  • attitude estimation
  • information fusion

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