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논문 상세정보

절삭효과를 고려한 적응 교차축 연동제어 시스템

Adaptive Cross-Coupling Control System Considering Cutting Effects

Abstract

In this study, the cross-coupling control (CCC) with three new features is proposed to maintain contour precision in high-speed nonlinear contour machining. One is an improved contour error model that provides almost exact calculation of the errors. Another is the utilization of variable controller gains based on the instantaneous curvature of the contour and the variable command. For this scheme, a stability is analyzed. As a result, the stability region is obtained, and the variable gains are decided within that region. The other scheme in the proposed CCC is a real-time feedrate adaptation module to regulate cutting force fur better surface finish through regulation of material removal rate (MRR). The simulation results show that the proposed CCC system can provide better precision than the existing method particularly in high-speed machining of nonlinear contours.

저자의 다른 논문

참고문헌 (7)

  1. Koren, Y., 1980, 'Cross-Coupled Biaxial Computer Control for Manufacturing System,' ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 201, pp.265-272 
  2. Kulkarni, P. K. and Srinivasan, K., 1989, 'Optimal Contouring Control of Multi-Axial Drive Servomechanisms,' ASME Journal of Engineering for Industry, Vol. 111, pp. 140-148 
  3. Koren, Y. and Lo, C. C., 1991, 'Variable-Gain Cross-Coupling Controller for Contouring,' Annals of the CIRP, Vol. 40, pp. 371-374 
  4. Chuang, H. Y. and Liu, C. H., 1991, 'Cross-Coupled Adaptive Control for Multiaxis Machine Tools,' ASME Journal of Dynamic Systems, Measurement, and Control, Vol. 113, pp. 451-457 
  5. Farouki, R. T., Manjunathaiah, J., Nicholas, D., Yuan, G.-F. and Jee, S., 1998, 'Variable-feedrate CNC Interpolators for Constant Material Removal Rates along Pythagorean-hodograph Curves,' Computer Aided Design, Vol. 30, pp. 631-640 
  6. Smith, S. and Tlusty, J., 1991, 'An Overview of Modeling and Simulation of the Milling Process,' ASME Journal of Engineering for Industry, Vol. 113, pp.169-175 
  7. Faux, I. D. and Pratt, M. J., 1981, Computational Geometry for Design and Manufacture, Ellis Horwood 

이 논문을 인용한 문헌 (4)

  1. 2004. "3-Axis Coupling Controller for High-Precision/High-Speed Contour Machining" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 28(1): 40~47 
  2. Gil Hyeong-Gyeun ; Yang Ho-Suk ; Lee Gun-Bok 2005. "Positioning Control through a Trade-off between Tracking Error and Contour Error for a Feed Drive System in CNC Milling Machine" 한국공작기계학회논문집 = Transactions of the Korean society of machine tool engineers, 14(6): 1~7 
  3. Lee Gun-Bok ; Gil Hyeong-Gyeun 2005. "Controller Design by Error Shape and Steady-State Error Analysis for a Feed Drive System in CNC Milling Machine" 한국정밀공학회지 = Journal of the Korean Society of Precision Engineering, 22(3): 52~60 
  4. Lee Gun Bok ; Gil Hyeong Gyeun 2005. "Development of a Position Control Algorithm for Feed Drives in Machine Tools Using an Error Model" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. A. A, 29(1): 115~123 

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