A design on model following optimal multivariable H/sub /spl infin// control system using GA [boiler-turbine system]

We design a model following optimal multivariable boiler-turbine H/sub /spl infin// control system which has robust stability to a modeling error and satisfactory command tracking performance in spite of nonlinearity of the system. This boiler-turbine H/sub /spl infin// control system is designed by...

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Bibliographic Details
Published inProceedings of the 37th SICE Annual Conference. International Session Papers pp. 975 - 978
Main Authors Dong-Wan Kim, Hyun-Joon Hwang, Chang-Sun Hwang, June-Ho Park, Ho-Seong Jeong
Format Conference Proceeding
LanguageEnglish
Published IEEE 1998
Subjects
Algorithm design and analysis
Computer simulation
Control system synthesis
Control systems
Educational institutions
Genetics
Nonlinear control systems
Optimal control
Robust stability
Valves
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Summary:We design a model following optimal multivariable boiler-turbine H/sub /spl infin// control system which has robust stability to a modeling error and satisfactory command tracking performance in spite of nonlinearity of the system. This boiler-turbine H/sub /spl infin// control system is designed by applying a genetic algorithm (GA) to the optimal determination of the weighting functions W/sub 1/(s), W/sub 2/(s), and the design parameter /spl gamma/ that are given by Glover-Doyle algorithm. To follow the output of the reference model optimally, these are optimized simultaneously in the search domain which guarantees the robust stability of the system. The effectiveness of this boiler-turbine H/sub /spl infin// control system is verified and compared with that of boiler-turbine LQG/LTR control system by computer simulation.
DOI:10.1109/SICE.1998.742962