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Injection Velocity Control Using A Self-tuning Adaptive Controller

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Published/Copyright: June 6, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 14 Issue 2

Abstract

The injection velocity dynamics are found to be both time-varying and non-linear and therefore difficult to control using a conventional fixed parameter controller. In this work, an adaptive injection velocity control system with some special features such as anti-estimation windup, adaptive feed-forward, profile shifting and cycle-to-cycle adaptation is designed, implemented, and experimentally tested. The developed system is demonstrated to have excellent control performance with very good robustness for a wide range of operating conditions.

* Mail address: Prof. Dr. F. Gao, Dept. of Chem. Eng., The Hong Kong University of Science & Technology, Clearwater Bay, Kowloon, Hong Kong
Received: 1998-9-1
Accepted: 1999-3-19
Published Online: 2013-06-06
Published in Print: 1999-05-01

© 1999, Carl Hanser Verlag, Munich

Articles in the same Issue

  1. Editorial
  2. First of a Series: Pioneering Polymer Industry Developments: Bayer and the First Synthetic RubberFirst of a Series
  3. Internal Mixer
  4. Modeling Non-isothermal Mixing in a Rotor Mixer
  5. Screw Extrusion/Mixing
  6. Chrome Nitride Coatings for Applications in Plastics Processing
  7. Using Computational Fluid Dynamics to Investigate the Flow of a Viscous Fluid in a Cavity with Oscillating Boundaries
  8. Simulation of Flow in an Intermeshing Modular Counter-rotating Twin Screw Extruder: Non-Newtonian and Non-Isothermal Behavior
  9. Reactive Extrusion
  10. Bulk and Dispersed Phase Polymerization of Urethane in Twin Screw Extruders
  11. Die Extrusion
  12. Wire Coating by Drawdown of an Extruded Annular Melt
  13. Fibers and Films
  14. Structure Development in Melt Spinning Polypropylene-EPM Blends and Dynamically Vulcanized Polyolefin TPEs
  15. Simulation of Blown-Film Process Taking Account of Cooling-air Effect
  16. Molding
  17. Analysis of Shrinkage Development of Injection Moulded PS Samples
  18. Optimization of the Weldline Strength in Gas-assist Injection Molded Thermoplastic
  19. Injection Velocity Control Using A Self-tuning Adaptive Controller
https://doi.org/10.3139/217.1537

Articles in the same Issue

  1. Editorial
  2. First of a Series: Pioneering Polymer Industry Developments: Bayer and the First Synthetic RubberFirst of a Series
  3. Internal Mixer
  4. Modeling Non-isothermal Mixing in a Rotor Mixer
  5. Screw Extrusion/Mixing
  6. Chrome Nitride Coatings for Applications in Plastics Processing
  7. Using Computational Fluid Dynamics to Investigate the Flow of a Viscous Fluid in a Cavity with Oscillating Boundaries
  8. Simulation of Flow in an Intermeshing Modular Counter-rotating Twin Screw Extruder: Non-Newtonian and Non-Isothermal Behavior
  9. Reactive Extrusion
  10. Bulk and Dispersed Phase Polymerization of Urethane in Twin Screw Extruders
  11. Die Extrusion
  12. Wire Coating by Drawdown of an Extruded Annular Melt
  13. Fibers and Films
  14. Structure Development in Melt Spinning Polypropylene-EPM Blends and Dynamically Vulcanized Polyolefin TPEs
  15. Simulation of Blown-Film Process Taking Account of Cooling-air Effect
  16. Molding
  17. Analysis of Shrinkage Development of Injection Moulded PS Samples
  18. Optimization of the Weldline Strength in Gas-assist Injection Molded Thermoplastic
  19. Injection Velocity Control Using A Self-tuning Adaptive Controller
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