Nonlinear Control of pressurized water reactors with uncertainties estimation via high order sliding mode |
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| Authors: | Mauro Cappelli Bernardino Castillo–Toledo Stefano Di Gennaro |
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| Institution: | 1. ENEA – Frascati RC, Via Enrico Fermi 45, 00044 Frascati, Rome, Italy;2. Centro de Investigación y de Estudios Avanzados – CINVESTAV del I.P.N., Unidad Guadalajara, Av. del Bosque 1145, Col. El Bajío, Zapopan 45010, Jalisco, México;3. Department of Information Engineering, Computer Science and Mathematics (DISIM), University of L’Aquila, Via Vetoio, Loc. Coppito, 67100 L’Aquila, Italy;4. Center of Excellence DEWS, University of L’Aquila, Via Vetoio, Loc. Coppito, 67100 L’Aquila, Italy;1. School of Computer and Information Engineering, Henan University, Kaifeng 475004, China;2. Miami College of Henan University, Henan University, Kaifeng 475004, China;3. Henan Key Laboratory of Big Data Analysis and Processing, Henan University, Kaifeng 475004, China;1. School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea;2. School of Architecture and Civil Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea;1. School of Electronics Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea;2. School of Architecture and Civil Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Republic of Korea;3. Department of Control and Instrumentation Engineering, Pukyong National University, 45 Yongsoro, Namgu, Busan 48513, Republic of Korea;1. Department of Electrical Engineering, CINVESTAV–IPN Guadalajara, Av. del Bosque 1145 Col. El Bajío CP 45019, México;2. Department of Information Engineering, Computer Science and Mathematics, University of L’Aquila, Via Vetoio, Loc. Coppito, 67100, Italy;3. Center of Excellence DEWS, University of L’Aquila,Via Vetoio, Loc. Coppito, 67100, Italy |
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| Abstract: | In this work, dynamic controllers are designed for reactor power, pressurizer water level, and pressure control in the primary circuit of a pressurized water reactor. These nonlinear controllers use super-twisting sliding-mode estimators to enhance their robustness versus parameter variations and external disturbances. Hence, the perturbative terms can be canceled by the control, thus improving the dynamic behavior of the controlled system. The designed controllers ensure good performances and better transient behavior, also in the presence of uncertainties and disturbances. A performance study of the proposed controllers is carried out in the presence also of unmodeled dynamics. |
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