Control Design

Example Projects:
  • Paper Mill pH Control - Instability in density and pH of a clay slurry was originating from use of on-off control for acid dosing. A model was built to simulate how proportional control would behave. The changes were subsequently implemented. (Download project presentation)
  • Flat Glass Production - Various control loops were developed in simulation before being applied to the production plant. The controls looked at edge tracking, width control and profile/shape control.
  • Combat Aircraft CD-ROM control - Improved head positioning control needed to counteract disturbances due to high accelerations. A Quantitative Feedback Theory (QFT) approach was proposed.

Current ‘On-Off’ Control

PID Control Alternative