A Fuzzy Adaptive Fading Kalman Filter Approach for Accuracy Improvement of a Laser Interferometer

  • Pyeongjun Kim
  • Joohyun An
  • Kwanho You
Part of the Communications in Computer and Information Science book series (CCIS, volume 339)


The advantage of a laser interferometer is in a high resolution required especially in extremely sensitive nano-metrology. However, there are some restrictions to overcome for precision measurement. One of the problems is a nonlinearity error. In this paper, we compensate for the nonlinearity error by applying the fuzzy adaptive fading Kalman filter (FAFKF) algorithm. To demonstrate the effectiveness of the proposed FAFKF algorithm, we simulated with a real system model. Experimental results show the improved accuracy and reliability.


Fuzzy adaptive fading Kalman filter laser interferometer accuracy fuzzy logic error compensation 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Pyeongjun Kim
    • 1
  • Joohyun An
    • 1
  • Kwanho You
    • 1
  1. 1.Department of Electrical EngineeringSungkyunkwan UniversitySuwonKorea

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