Cycle-to-cycle and within-cycle adaptive control of nozzle pressure during packing-holding for thermoplastic injection molding

Polymer Engineering and Science

Volumn 39, Issue 10, 1999, Pages 2042-2063

  Yang, Yi ^a   Gao, Furong ^a  

^a HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY   (Hong Kong)

Author keywords

[No Author keywords available]

Indexed keywords

NOZZLES; PLASTIC MOLDS; PRESSURE CONTROL; PRESSURE TRANSDUCERS; QUALITY CONTROL; SELF TUNING CONTROL SYSTEMS; TEMPERATURE CONTROL; THERMOPLASTICS;

ADAPTIVE FEEDFORWARD; ANTI WINDUP ESTIMATE; BARREL TEMPERATURE; CAVITY PRESSURE; CYCLE TO CYCLE ADAPTATION; DEGREE OF PACKING; SET POINT PROFILES;

INJECTION MOLDING;

EID: 0033330731     PISSN: 00323888     EISSN: None     Source Type: Journal    
DOI: 10.1002/pen.11597     Document Type: Article

References (17)

1. F. Gao, W. I. Patterson, and M. R. Kamal, Polym. Eng. Sci., 36, 1272 (1996).
2. F. Gao, W. I. Patterson, and M. R. Kamal, Polym. Eng. Sci., 36, 2467 (1996).
3. F. Gao, Ph.D. Thesis, McGill University, Montreal (1993).
4. F. Johannaber, Injection Molding Machines: A User's Guide, 2nd Ed., Sellier Druck GmbH, Freising, Germany (1985)
5. M. R. Kamal, W. I. Patterson, and D. Abu Fara, SPE ANTEC Tech. Papers, 29, 658 (1983).
6. M. R. Kamal, W. I. Patterson, D. Abu Fara, and A. Haber, Polym. Eng. Sci., 24, 686 (1984).
7. M. R. Kamal, W. I. Patterson, N. Conley, D. Abu Fara, and G. Lohfink, SPE ANTEC Tech. Papers, 32, 189 (1986).
8. M. R. Kamal, W. I. Patterson, N. Conley, D. Abu Fara, and G. Lohfink, Polym. Eng. Sci., 27, 1403 (1987).
9. J. Hu, and J. H. Vogel, Transactions of the ASME, J. of Eng. Materials and Technology, 116, 244 (1994).
10. D. V. Rosato, and D. V. Rosato, Injection Molding Handbook, Chapman & Hall, New York (1995).
11. K. J. Ȧström and B. Wittenmark, Adaptive Control, 2nd Ed., Addison-Wesley, Reading, Mass. (1995).
12. K. J. Ȧström and B. Wittenmark, Computer-Controlled Systems: Theory and Design, 3rd Ed., Prentice-Hall International, Inc. (1997).
13. K. Warwick, Implementation of Self-tuning Controllers, Chap. 4, Billing & Sons, Ltd. U. K. (1989).
14. J. N. Buxton, R. F. Churchouse, and A. B. Tayler, Matrices: Methods and Applications, Biddles Ltd. U. K. (1990).
15. QNX 4 Operating System: System Architecture, QNX Software Systems Ltd., Canada (1993).
16. E. Walter and L. Pronzato, Identification of Parametric Models, from Experimental Data, Masson, Great Britain (1997).
17. D. E. Seborg, T. F. Edgar, and D. A. Mellzchamp, Process Dynamics and Control, John Wiley & Sons, Inc. (1989).