<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Initial alignment in the presence of large misalignment angles is a critical issue in strapdown inertial navigation systems. The large initial misalignment angle adversely affects the accuracy and rapidness of the alignment process. In this paper a novel robust alignment approach is proposed based on a generalized proportional-integral-derivative filter. The proposed alignment approach has some significant advantages compared to the standard Kalman filter based alignment method. This method increases the accuracy and the convergence speed of the alignment process in the large misalignment angles problem. Experimental results also, verify the prominent performance of the presented approach in comparison to conventional standard Kalman filter based alignment method.</p>
</abstract>

Initial alignment in the presence of large misalignment angles is a critical issue in strapdown inertial navigation systems. The large initial misalignment angle adversely affects the accuracy and rapidness of the alignment process. In this paper a novel robust alignment approach is proposed based on a generalized proportional-integral-derivative filter. The proposed alignment approach has some significant advantages compared to the standard Kalman filter based alignment method. This method increases the accuracy and the convergence speed of the alignment process in the large misalignment angles problem. Experimental results also, verify the prominent performance of the presented approach in comparison to conventional standard Kalman filter based alignment method.

INITIAL ALIGNMENT OF FIBER-OPTIC INERTIAL NAVIGATION SYSTEM WITH LARGE MISALIGNMENT ANGLES BASED ON GENERALIZED PROPORTIONAL-INTEGRAL-DERIVATIVE FILTER

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Initial alignment in the presence of large misalignment angles is a critical issue in strapdown inertial navigation systems. The large initial misalignment...

INITIAL ALIGNMENT OF FIBER-OPTIC INERTIAL NAVIGATION SYSTEM WITH LARGE MISALIGNMENT ANGLES BASED ON GENERALIZED PROPORTIONAL-INTEGRAL-DERIVATIVE FILTER

Published Online: Mar 01, 2017

Page range: 1 - 17

Received: May 15, 2017

Accepted: Jul 17, 2017

DOI: https://doi.org/10.21307/ijssis-2017-226

Keywords
Index terms: Standard Kalman Filter, Generalized Proportional-Integral-Derivative Filter, Strapdown Inertial Navigation System, Initial Alignment, Large Misalignment Angles

© 2017 Mohammad Ali Rahgoshay et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

INITIAL ALIGNMENT OF FIBER-OPTIC INERTIAL NAVIGATION SYSTEM WITH LARGE MISALIGNMENT ANGLES BASED ON GENERALIZED PROPORTIONAL-INTEGRAL-DERIVATIVE FILTER

Published Online: Mar 01, 2017

Page range: 1 - 17

Received: May 15, 2017

Accepted: Jul 17, 2017

DOI: https://doi.org/10.21307/ijssis-2017-226

KeywordsIndex terms: Standard Kalman Filter, Generalized Proportional-Integral-Derivative Filter, Strapdown Inertial Navigation System, Initial Alignment, Large Misalignment Angles

© 2017 Mohammad Ali Rahgoshay et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Index terms: Standard Kalman Filter, Generalized Proportional-Integral-Derivative Filter, Strapdown Inertial Navigation System, Initial Alignment, Large Misalignment Angles