Sliding Mode Predictive Control of Main Steam Pressure in Coal-fired Power Plant Boiler*
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Sliding Mode Predictive Control of Main Steam Pressure in Coal-fired Power Plant Boiler*
Chinese Journal of Chemical EngineeringVol. 20, Issue 6, Pages: 1107-1112(2012)
Affiliations:
Department of Automation, Shanghai Jiao Tong University, and Key Laboratory of System Control and Information Processing, Ministry of Education,Shanghai,China,200240
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Published:2012
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[J]. Chinese Journal of Chemical Engineering, 2012, 20(6): 1107-1112.
DOI:
[J]. Chinese Journal of Chemical Engineering, 2012, 20(6): 1107-1112.DOI:
Sliding Mode Predictive Control of Main Steam Pressure in Coal-fired Power Plant Boiler*
Since the combustion system of coal-fired boiler in thermal power plant is characterized as time varying
strongly coupled
and nonlinear
it is hard to achieve a satisfactory performance by the conventional proportional integral derivative (PID) control scheme.For the characteristics of the main steam pressure in coal-fired power plant boiler
the sliding mode control system with Smith predictive structure is proposed to look for performance and robustness improvement.First
internal model control (IMC) and Smith predictor (SP) is used to deal with the time delay
and sliding mode controller (SMCr) is designed to overcome the model mismatch.Simulation results show the effectiveness of the proposed controller compared with conventional ones.
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