Strapdown Inertial Navigation System Initial Alignment Based on Modified Process Model

In this paper, the nonlinear initial alignment method for Strapdown inertial navigation system is investigated. As an important part of the nonlinear initial alignment method, the dynamic model based on nonlinear error equations is re-derived with the consideration of the mismatch between the calculated navigation frame and the actual navigation frame. Then, the recursive nonlinear initial alignment procedure based on the modified model under the marine mooring condition is elaborated. The superiority of the proposed method over traditional method in terms of rapidness, accuracy, and consistency is validated through simulated and experimental tests.

[1]  Xixiang Liu,et al.  A novel self-alignment method for SINS based on three vectors of gravitational apparent motion in inertial frame , 2015 .

[2]  Fang Jiancheng,et al.  Quaternion-Optimization-Based In-Flight Alignment Approach for Airborne POS , 2012 .

[3]  Eun-Hwan Shin,et al.  An unscented Kalman filter for in-motion alignment of low-cost IMUs , 2004, PLANS 2004. Position Location and Navigation Symposium (IEEE Cat. No.04CH37556).

[4]  John L. Crassidis,et al.  Survey of nonlinear attitude estimation methods , 2007 .

[5]  Yang Liu,et al.  Autonomous In-motion Alignment for Land Vehicle Strapdown Inertial Navigation System without the Aid of External Sensors , 2018, Journal of Navigation.

[6]  John L. Crassidis,et al.  Inertial Navigation Employing Common Frame Error Representations , 2017 .

[7]  I. Bar-Itzhack,et al.  Azimuth Observability Enhancement During Inertial Navigation System In-Flight Alignment , 1980 .

[8]  Jiancheng Fang,et al.  Anti-Disturbance Initial Alignment Method Based on Quadratic Integral for Airborne Distributed POS , 2018, IEEE Sensors Journal.

[9]  I. Rhee,et al.  Observability of an integrated GPS/INS during maneuvers , 2002, IEEE Transactions on Aerospace and Electronic Systems.

[10]  Sinpyo Hong,et al.  Observability of error States in GPS/INS integration , 2005, IEEE Transactions on Vehicular Technology.

[11]  An Li,et al.  Strapdown inertial navigation system alignment based on marginalised unscented kalman filter , 2013 .

[12]  Lubin Chang,et al.  Initial Alignment by Attitude Estimation for Strapdown Inertial Navigation Systems , 2015, IEEE Transactions on Instrumentation and Measurement.

[13]  D. Hu,et al.  Optimization-based alignment for inertial navigation systems: Theory and algorithm , 2011 .

[14]  Ya Zhang,et al.  An Improved Strapdown Inertial Navigation System Initial Alignment Algorithm for Unmanned Vehicles , 2018, Sensors.

[15]  Wanli Li,et al.  Optimization-based INS in-motion alignment approach for underwater vehicles , 2013 .

[16]  Elder Moreira Hemerly,et al.  On the Error State Selection for Stationary SINS Alignment and Calibration Kalman Filters—Part II: Observability/Estimability Analysis , 2017, Sensors.

[17]  Dacheng Xu,et al.  In-Motion Coarse Alignment Method for SINS/GPS Using Position Loci , 2019, IEEE Sensors Journal.

[18]  Elder M. Hemerly,et al.  Error analysis of analytical coarse alignment formulations for stationary SINS , 2016, IEEE Transactions on Aerospace and Electronic Systems.

[19]  Yuanxin Wu,et al.  A New Technique for INS/GNSS Attitude and Parameter Estimation Using Online Optimization , 2014, IEEE Transactions on Signal Processing.

[20]  Xixiang Liu,et al.  An initial alignment method for strapdown gyrocompass based on gravitational apparent motion in inertial frame , 2014 .

[21]  Yuanxin Wu,et al.  Velocity/Position Integration Formula Part I: Application to In-Flight Coarse Alignment , 2012, IEEE Transactions on Aerospace and Electronic Systems.

[22]  Xiaoying Kong.  INS algorithm using quaternion model for low cost IMU , 2004, Robotics Auton. Syst..

[23]  Peter M. G. Silson,et al.  Coarse Alignment of a Ship's Strapdown Inertial Attitude Reference System Using Velocity Loci , 2011, IEEE Transactions on Instrumentation and Measurement.

[24]  P. Groves.  Principles of GNSS, Inertial, and Multisensor Integrated Navigation Systems, Second Edition , 2013 .

[25]  Fangjun Qin,et al.  In-Motion Initial Alignment for Odometer-Aided Strapdown Inertial Navigation System Based on Attitude Estimation , 2017, IEEE Sensors Journal.

[26]  I. Bar-Itzhack,et al.  Observability analysis of piece-wise constant systems. I. Theory , 1992 .

[27]  Yuanxin Wu,et al.  Observability of Strapdown INS Alignment: A Global Perspective , 2011, IEEE Transactions on Aerospace and Electronic Systems.

[28]  S. Haykin,et al.  Cubature Kalman Filters , 2009, IEEE Transactions on Automatic Control.

[29]  Elder M. Hemerly,et al.  On the error state selection for stationary SINS alignment and calibration Kalman filters – part I: Estimation algorithms☆ , 2017 .

[30]  Lubin Chang,et al.  Optimization-based alignment for strapdown inertial navigation system: comparison and extension , 2014, IEEE Transactions on Aerospace and Electronic Systems.

[31]  Hyun-Su Hong,et al.  Performance improvement of in-flight alignment for autonomous vehicle under large initial heading error , 2004 .

[32]  Yanyan Wang,et al.  A Robust SINS/VO Integrated Navigation Algorithm Based on RHCKF for Unmanned Ground Vehicles , 2018, IEEE Access.

[33]  B. M. Scherzinger.  Inertial navigator error models for large heading uncertainty , 1996, Proceedings of Position, Location and Navigation Symposium - PLANS '96.

[34]  John L. Crassidis,et al.  Attitude Estimation Employing Common Frame Error Representations , 2015 .

[35]  H. Ahn,et al.  Fast alignment using rotation vector and adaptive Kalman filter , 2006 .

[36]  Fang Jiancheng,et al.  Study on Innovation Adaptive EKF for In-Flight Alignment of Airborne POS , 2011, IEEE Transactions on Instrumentation and Measurement.