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Abstract AI-Helper 아이콘AI-Helper

In this paper, we propose an interacting multiple model (IMM) method using intelligent tracking filter with fuzzy gain to reduce tracking errors for maneuvering targets. In the proposed filter, the unknown acceleration input for each sub-model is determined by mismatches between the modelled target ...

주제어

AI 본문요약
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제안 방법

  • Then, multiple models are represented as the acceleration levels estimated by these fuzzy systems, which are optimized for different ranges of acceleration input. Finally, the tracking performance of the proposed method is compared with those of the input estimation(IE) algorithm method and the IMM algorithm method through computer simulations.
  • with fuzzy gain. In the proposed method, the unknown acceleration level for each sub-model was determined by proposed method which is the estimation of the acceleration input by a fuzzy system using the relation between maneuvering filter residual and non-maneuvering one. And then, modified sub-model are corrected by the new update equation method which is a fuzzy system using the relation between the filter residual and its variation.
  • In this paper, we have developed IMM tracking algorithm with fuzzy gain. In the proposed method, the unknown acceleration level for each sub-model was determined by proposed method which is the estimation of the acceleration input by a fuzzy system using the relation between maneuvering filter residual and non-maneuvering one.
  • First, when the target maneuver occurs, the acceleration level for each sub-model is determined by the using the fuzzy system based on the illation between the non-maneuvering filter residual and the maneuvering one at every sampling time. Second, to modify the accurate estimation, the target with maneuver is updated by using the fuzzy gain based on the fuzzy model. Since it is hard to approximate adaptively this time-varying variance and fuzzy gain owing to the highly nonlinear, a fuzzy system is appHed as the universal approximator to compute it.
  • The algorithm improves the tracking performance and establishes the systematic tracker design procedure for a maneuvering target. The complete solution can be divided into two stages.
  • To evaluate the proposed filtering scheme, a maneuvering target scenario was examined and the theoretical analysis from the previous section show how to determined and updated for the maneuvering target model. For comparison purposes, we also simulated conventional the input estimation method (IE) and the adaptive interacting multiple method (AIMM) methods.

이론/모형

  • The interesting one of them is the interacting multiple mod이 (IMM) approach[6]. In the algorithm, a parallel bank of filters are blended in a weighted-sum form by an underlying finite-dimensional Markov chain so that a smooth trans辻ion between sub-models is achieved. However, to realize a target tracker with an outstanding performance, a prior statistical knowledge on the maneuvering target should be supplied, ie, the process noise variance for each sub-model in IMM should be accurately selected in advance by the domain expert who should fully understand the unknown maneuvering characteristics of the target, which is not an easy ta아匚
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참고문헌 (13)

  1. R. A. Singer, 'Estimating optimal tracking filter performance for manned maneuvering targets,' IEEE Trans. Aerosp. Electron Syst., Vol AES-6, No.4, pp. 473-483, July, 1970 

  2. J. Korn, S. W. Gully, and A. S. Willsky, 'Application of the generalized likelihood ratio algorithm to maneuver detection and estimation,' American Control Conference, pp. 792-798, Jun 1982 

  3. Y. T. Chan, A. G. C. Hu, and J.B. Plant, 'A Kalman filter based tracking scheme with input estimation,' IEEE Trans. on Aerospace and Electronic Systems, Vol. AES-15, No.2, pp. 237-244, Mar, 1979 

  4. P. L. Bogler, 'Tracking a maneuvering target using input estimation,' IEEE Trans. on Aerospace and Electronic Systems, Vol. AES-23, No.3, pp. 298-310, 1987 

  5. M. S. Grewal and A. P. Andrews, Kalman filtering: theory and practice, Prentice Hall, 1993 

  6. Bar-Shalom Y. and Li X.: 'Principles, Techniques and Software', Norwood, MA: Arteck House, 1993 

  7. Y. Bar-Shalom and X. Li, Estimation and Tracking: Principles, Techniques and Software, Artech House, 1993 

  8. B. J. Lee, Y. H. Joo, and J. B. Park, 'The design of target tracking system using the identification of TS fuzzy model,' Proc. of KIEE Summer Annual Conference 2001, pp. 1958-1960, 2001 

  9. B. J. Lee, Y. H. Joo, and J. B. Park, 'An intelligent tracking method for a maneuvering target,' International Journal of control, Automation and Systems, Vol. 1, No.1, March, 2003 

  10. D. E. Goldberg, Genetic algorithms in search, optimization, and machine learning, Addison -wesley, 1989 

  11. S. McGinnity and G. W. Irwin, 'Fuzzy logic approach to maneuvering target tracking,' IEE proc. of Radar, Sonar, and Navigation, Vol. 145, No.6, pp. 337-341, 1998 

  12. B. J. Lee, J. B, Park, H. J. Lee and Y. H. Joo, 'Fuzzy-logic-based IMM algorithm for tracking a manoeuvring target,' IEE Proc. Radar Sonar Navig., Vol. 152, No. 1, pp. 16-22, 2005 

  13. Y. Bar-Shalom and K. Birmiwal, 'Variable dimension filter for maneuvering target tracking,' IEEE Trans. on Aerospace and Electronic Systems, Vol. AES-18, No.5, pp. 621-629, 1982 

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