Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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Development of Effective Test Method for Positioning Accuracy of Armed Vehicle Inertial Navigation System

기동화력장비 관성항법장치의 효과적인 위치정확도 시험방법 개발

  • Kim, Sung Hoon (Land Systems Center, Defense Agency for Technology and Quality) ;
  • Bae, In Hwa (Dept. of Industrial and Systems Engineering, Changwon National University) ;
  • Kim, Sang Boo (Dept. of Industrial and Systems Engineering, Changwon National University)
  • 김성훈 (국방기술품질원 기동화력센터) ;
  • 배인화 (창원대학교 산업시스템공학과) ;
  • 김상부 (창원대학교 산업시스템공학과)
  • Received : 2023.11.05
  • Accepted : 2023.12.04
  • Published : 2023.12.31
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Abstract

Purpose: The main function of INS (Inertial Navigation System) is to measure the position of an armed vehicle and its performance is confirmed through the positioning accuracy test of Korean Defense Standards (KDS). The current standards, however, do not provide clear test methods and the conditions for performing positioning accuracy tests. Accordingly, the purpose of this study is to develop a new method for positioning accuracy test which would be effective. Methods: In this study, a new INS positioning accuracy test method is suggested based on the analysis of test data collected through a statistical experiment known as central composite design. For the positioning accuracy experiment of K105A1, a self-propelled artillery, two factors of driving velocity and driving distance are considered. Results: Based on the analysis of experimental data, a regression model for the positioning error is fitted and the positioning accuracy test of INS is so developed to maximize the positioning error. The standard proximity rate is used as an additional test criterion to evaluate the performance level of INS. Conclusion: The proposed new positioning accuracy test for INS has the advantage of finding the nonconforming items effectively. It is also expected to be utilized for the other similar INS positioning accuracy tests.

Keywords

References

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