Robust PI controller design for integrator plus dead-time process with stochastic uncertainties using operational matrix

Title
Robust PI controller design for integrator plus dead-time process with stochastic uncertainties using operational matrix
Author(s)
이문용팜두옹
Keywords
SYSTEMS; EQUATION
Issue Date
201311
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Citation
KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.30, no.11, pp.1990 - 1996
Abstract
To increase the precision and reliability of process control, random uncertainty factors affecting the control system must be accounted for. We propose a novel approach based on the operational matrix technique for robust PI controller design for dead-time processes with stochastic uncertainties in both process parameters and inputs. The use of the operational matrix drastically reduces computational time in controller design and statistical analysis with a desired accuracy over that of the traditional Monte-Carlo method. Examples with deterministic and stochastic inputs were considered to demonstrate the validity of the proposed method. The computational effectiveness of the proposed method was shown by comparison with the Monte-Carlo method. The proposed approach was mainly derived based on the integrator plus dead-time process, but can be easily extended to other types of more complex stochastic systems with dead-time, such as a first-order plus dead-time or a second-order plus dead-time system.
URI
http://hdl.handle.net/YU.REPOSITORY/28514http://dx.doi.org/10.1007/s11814-013-0149-x
ISSN
0256-1115
Appears in Collections:
공과대학 > 화학공학부 > Articles
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