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스핀들의 가속도 데이터와 이송계의 변위 데이터를 이용한 스핀들의 변위 추정 알고리즘

Displacement Estimation Algorithm of a Spindle Using Acceleration Data of a Spindle and Displacement Data of a Feed Drive System

Journal of the Korean Society for Precision Engineering 2022;39(11):801-810.
Published online: November 1, 2022

1 한국기계연구원 첨단생산장비연구부

1 Advanced Manufacturing Systems Research Division, Korea Institute of Machinery & Materials

#E-mail: bsg17@kimm.re.kr, TEL: +82-42-868-7481
• Received: March 10, 2022   • Revised: September 4, 2022   • Accepted: September 19, 2022

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • A Review of Intelligent Machining Process in CNC Machine Tool Systems
    Joo Sung Yoon, Il-ha Park, Dong Yoon Lee
    International Journal of Precision Engineering and Manufacturing.2025; 26(9): 2243.     CrossRef

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Displacement Estimation Algorithm of a Spindle Using Acceleration Data of a Spindle and Displacement Data of a Feed Drive System
J. Korean Soc. Precis. Eng.. 2022;39(11):801-810.   Published online November 1, 2022
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Displacement Estimation Algorithm of a Spindle Using Acceleration Data of a Spindle and Displacement Data of a Feed Drive System
J. Korean Soc. Precis. Eng.. 2022;39(11):801-810.   Published online November 1, 2022
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Displacement Estimation Algorithm of a Spindle Using Acceleration Data of a Spindle and Displacement Data of a Feed Drive System
Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 A proposed concept for estimating the displacement of a spindle in a machine tool using acceleration data
Fig. 2 Proposed spindle displacement estimation algorithm
Fig. 3 Drift tracking filter concept diagram
Fig. 4 Self-made gantry type engraver and experimental setup
Fig. 5 Experimental setup diagram
Fig. 6 Case 1 Integration of the measured spindle acceleration data and estimated velocity by removing drift
Fig. 7 Case 2 Integration of the acceleration difference and estimated velocity difference by removing drift
Fig. 8 Case 3 Performance of the drift tracking filter according to parameter k
Fig. 9 Case 4 Estimation result of spindle displacement (Time domain)
Fig. 10 Case 4 Estimation result of spindle displacement (Frequency domain)
Fig. 11 Comparison of estimated drifts in the frequency domain (Case 1)
Displacement Estimation Algorithm of a Spindle Using Acceleration Data of a Spindle and Displacement Data of a Feed Drive System