Computer Control in the Process Industries

Brian Roffel is Global Advisor, Advanced Computer Control at Polysar Limited. He holds a M.Eng in chemical engineering and a Ph.D. in process control. He worked as chief senior research officer at the Twente University of Technology, and as a computer applications engineer at Esso Chemical Canada. During 1986-7 he was adjunct professor at the Universities of Western Ontario and Waterloo. He has written many publications on process dynamics and control.

Patrick A. Chin is a Computer Control Specialist at Polysar Limited. He holds a M.Eng. in chemical engineering from McMaster University with a specialization in process control. Previously he worked as a computer applications engineer at Esso Chemical Canada.