NDLI: A new synthesis method for unit coordinated control system in thermal power plant

Content Provider	IEEE Xplore Digital Library
Author	Huanpao Huang Liqiang Wu Jingqing Han Gao Feng Yongjun Lin
Copyright Year	2004
Description	Author affiliation: Beijing State Power Control Technol. Ltd., China (Huanpao Huang)
Abstract	The new nonlinear control technology-active disturbance rejection control is introduced, and the novel unit ADRC coordinated control scheme for thermal power generation unit is proposed. The key element of ADRC is extended state observer (ESO). The real-time dynamic linearization is implemented by disturbance estimation via ESO and disturbance compensation via control law, instead of differential geometry based feedback linearization and direct feedback linearization theory which need accurate mathematical model of plant. The decoupling for MIMO coordinated system of boiler-turbine unit is also easily implemented by employing ADRC. The simulation results on STAR-90 show that the ADRC coordinated control scheme can effectively solve problems of strong nonlinearity, uncertainty, coupling, large time delay. And it can improve greatly the control performance of coordinated control system. The structure of ADRC coordinated control scheme is simple and clear. It is evident that the proposed scheme lends itself well in providing innovative solutions to practical unit coordinated system problems.
Starting Page	133
Ending Page	138
File Size	806533
Page Count	6
File Format	PDF
ISBN	0780386108
DOI	10.1109/ICPST.2004.1459980
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-11-21
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control system synthesis Power generation Control systems Observers Nonlinear dynamical systems Linear feedback control systems Geometry Mathematical model MIMO Uncertainty
Content Type	Text
Resource Type	Article

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