title: Cascaded process model based control: packed absorption column application.
abstract: Nonlinear, adaptive, process-model based control is demonstrated in a cascaded single-input-single-output mode for pressure drop control in a pilot-scale packed absorption column. The process is shown to be nonlinear. Control is demonstrated in both servo and regulatory modes, for no wind-up in a constrained situation, and for bumpless transfer. Model adaptation is demonstrated and shown to provide process insight. The application procedure is revealed as a design guide to aid others in implementing process-model based control.
authors.affiliation: School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078-5020, USA.
authors.forename: Anand
authors.initials: A
authors.lastname: Govindarajan
authors.affiliation: School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078-5020, USA.
authors.forename: Suresh Kumar
authors.initials: SK
authors.lastname: Jayaraman
authors.affiliation: School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078-5020, USA.
authors.forename: Vijayalakshmi
authors.initials: V
authors.lastname: Sethuraman
authors.affiliation: School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, OK 74078, USA.
authors.forename: Pramod R
authors.initials: PR
authors.lastname: Raul
authors.affiliation: School of Chemical Engineering, Oklahoma State University, Stillwater, OK 74078-5020, USA. Electronic address: rrr@okstate.edu.
authors.forename: R Russell
authors.initials: RR
authors.lastname: Rhinehart
keywords: Control; Design; Model-based; Nonlinear