Generalized ESO based stable predictive tracking control for micro gas turbine cogeneration system |
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| Institution: | 1. Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, China;2. Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798-7356, USA;1. School of Mechanical and Electrical Engineering, Soochow University, Suzhou 215021, China;2. School of Automation Science and Electrical Engineering, Beihang University, Beijing 100089, China;3. School of Engineering, Deakin University, Geelong, VIC 3217, Australia;4. School of Control Science and Engineering, Dalian University of Technology, Dalian 1160240, China;1. Research Institute of Intelligent Control and Systems, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China;2. Electronics Engineering Department, Universidad de Sevilla, Sevilla 41092, Spain;1. School of Mathematical Sciences, University of Jinan, Jinan 250022, China;2. School of Mathematical Sciences, Qufu Normal University, Qufu 273165, China;1. College of Automation Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 210016, China;2. Key Laboratory of Navigation, Control and Health-Management Technologies of Advanced Aerocraft (Nanjing Univ. of Aeronautics and Astronautics), Ministry of Industry and Information Technology, Nanjing, China |
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| Abstract: | Control of micro gas turbine combined heating and power (MGT-CHP), i.e., cogeneration systems, is challenging because of large inertia, strong coupling, strict input constraints, nonlinearity, and complex disturbances. To overcome these problems, this paper develops an extended state observer (ESO) based stable predictive tracking control (SPTC) for MGT-CHP. Unlike traditional ESO-based control methods, ESO-SPTC guarantees overall optimality by using disturbance feedback compensation. A new discrete-time generalized ESO is developed for the ESO-SPTC to surmount higher-order disturbances and its bounded stability is demonstrated. Besides, the designed SPTC fully guarantees that the infinite horizon inputs fully satisfy the amplitude and rate constraints. The resulting ESO-SPTC can eliminate the impact of matched and unmatched disturbances in the output channel at a steady state. Simulation results on a numerical example and an 80 kW MGT-CHP verify the effectiveness of the control scheme. |
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