Industrial Automatic Control Systems and Controllers Annotation << Back A Method for Adaptive Management of the Efficiency of the Functioning of Thermal Power Plant Power Units Shevchuk V.P., Gaiderjii D.C. A model-free method of adaptive control of the effi ciency of the functioning of thermal power plant power units according to the criterion of the minimum cost of electricity produced is proposed. At the same time, the minimum cost of operation of the power unit is achieved only when the current value of the effi ciency of the boiler unit is in the region of the positive partial derivative, and the current value of the effi ciency of the turbine is in the region of the negative partial derivative, that is, in conditions when the minimum cost of operation of the power unit coincides with the maximum effi ciency of the power unit. The algorithms for implementing the adaptive control method are based on determining the position of the operating point of the control object by indirectly measuring partial derivatives of the control criterion. Verifi cation of the operability and effectiveness of adaptive control methods for the power unit, boiler unit and turbine unit was carried out by simulation modeling on a stand for software diagnostics of processor devices and systems. Analysis of the simulation results showed that the proposed algorithms reliably refl ect the measurement and control processes of the boiler, turbine and power unit. At the same time, the dominant component of the error in identifying partial derivatives is the error of dynamic linearization of the intercorrelation function and the control criterion. Keywords: identifi cation algorithm, identifi cation error, visualization algorithm, adaptive control of the turbine unit, adaptive control of the boiler unit. DOI: 10.25791/asu.9.2024.1529 Pp. 11-22.