Abstract
Gas turbines have been widely applicated in industry. In the control of gas turbines, an advanced control algorithm contributes to the stability, safety, and economic benefits. However, it is well known that transition state control methods in gas turbines are intractable to design. In this paper, a hybrid control scheme is constructed and utilized in transition state control of gas turbines. First, a component-level model of gas turbines is established via Toolbox for Modeling and Analysis of Thermodynamic Systems (T-MATS). Second, we introduce the notions of active disturbance rejection control (ADRC) and model predictive control (MPC). Based on the introduced control methods, a soft switch approach is constructed by combining the advantages of ADRC-PID controller and MPC. Finally, in order to demonstrate the effectiveness of the designed control scheme, comparisons between different control schemes and our proposed hybrid control scheme are given.
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