Adaptive predictive level control of waste heat steam boiler based on bilinear model

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  • Oh, Sea-Cheon (Department of Chemical Engineering, Hanyang University) ;
  • Yeo, Yeong-Koo (Department of Chemical Engineering, Hanyang University)
  • 오세천 (한양대학교 화학공학과) ;
  • 여영구 (한양대학교 화학공학과)
  • Published : 1996.12.01

Abstract

An adaptive predictive level control of waste heat steam boiler was studied by using mathematical models considering the inverse response. The simulation experiments of the model identification were performed by using linear and bilinear models. From the results of simulations it was found that the bilinear model represented the actual dynamic behavior of steam boiler very well. ARMA model was used in the model identification and the adaptive predictive controller. To verify the performance and effectiveness of the adaptive predictive controller used in this study the simulation results of the adaptive predictive level control for waste heat steam boiler based on bilinear model were compared to those of P, PI and PID controller. The results of simulations showed that the adaptive predictive controller provides the fast arrival to setpoint of liquid level.

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