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Application of Model Free Adaptive Control in Main Steam Temperature System of Thermal Power Plant

Authors: Lillie Dewan, Khaing Yadana Swe

Abstract:

At present, the cascade PID control is widely used to control the superheating temperature (main steam temperature). As Main Steam Temperature has the characteristics of large inertia, large time-delay and time varying, etc., conventional PID control strategy cannot achieve good control performance. In order to overcome the bad performance and deficiencies of main steam temperature control system, Model Free Adaptive Control (MFAC) - P cascade control system is proposed in this paper. By substituting MFAC in PID of the main control loop of the main steam temperature control, it can overcome time delays, non-linearity, disturbance and time variation.

Keywords: Adaptive Control, Cascade Control, PID, Model free Adaptive Control

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1099856

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