Title
Real time model identification using multi-fidelity models in managed pressure drilling.
Abstract
Abstract Highly accurate model predictions contribute to the performance and stability of model predictive control. However, high fidelity models are difficult to implement in real time control due to the large and often nonconvex optimization problem that must be completed within the feedback cycle time. To address this issue, a switched control scheme that uses high fidelity model predictions in real time control is presented. It uses real time simulated data to identify a linear empirical control model. The real time model identification procedure does not interrupt the process, and is suitable for nonlinear processes where offline model identification is difficult. Controller stability is discussed, and the control scheme is demonstrated in a managed pressure drilling simulation. The switched controller provides improved performance over both a high fidelity model based controller and a nonadaptive empirical model.
Year
DOI
Venue
2017
10.1016/j.compchemeng.2016.11.008
Computers & Chemical Engineering
Keywords
Field
DocType
Drilling automation,Nonlinear model predictive control,Switched control,High fidelity control models,Managed pressure drilling
Interrupt,High fidelity,Fidelity,Control theory,Control theory,Model predictive control,Real-time Control System,Control engineering,System identification,Optimization problem,Mathematics
Journal
Volume
ISSN
Citations 
97
0098-1354
2
PageRank 
References 
Authors
0.45
12
7
Name
Order
Citations
PageRank
Ammon N. Eaton120.45
Logan D. R. Beal251.21
Samuel D. Thorpe320.45
Casey B. Hubbell420.45
John D. Hedengren5548.20
Roar Nybo651.23
Manuel Aghito720.45