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Application of Noise Estimator with Limited Memory Index on Flexure Compensation of Rapid Transfer Alignment

In: The 19th International Conference on Industrial Engineering and Engineering Management

Author

Listed:
  • Wei-dong Zhou

    (Harbin Engineering University)

  • Yu-ren Ji

    (Harbin Engineering University)

Abstract

In order to solve the flexure compensation problem in rapid transfer alignment, the error equations are simplified by noise compensation method firstly. Due to the time variant characteristics of flexure process in time domain, which leads to the fixed noise statistical characteristics cannot follow the variation of actual environment, the noise estimator with limited memory index is proposed. By limiting the memory length of obtained data, too old historical data is giving up and the accuracy of online noise estimator is improved. The final simulation verifies that the method proposed have higher accuracy and faster convergence speed than conventional methods.

Suggested Citation

  • Wei-dong Zhou & Yu-ren Ji, 2013. "Application of Noise Estimator with Limited Memory Index on Flexure Compensation of Rapid Transfer Alignment," Springer Books, in: Ershi Qi & Jiang Shen & Runliang Dou (ed.), The 19th International Conference on Industrial Engineering and Engineering Management, edition 127, chapter 0, pages 1447-1456, Springer.
    • Handle: RePEc:spr:sprchp:978-3-642-38391-5_153
    DOI: 10.1007/978-3-642-38391-5_153
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