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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2015.1
- 수록면
- 838 - 848 (11page)
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초록· 키워드
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One of the most important operations in nuclear power plants is load following, in which animbalance of axial power distribution induces xenon oscillations. These oscillations must bemaintained within acceptable limits otherwise the nuclear power plant could become unstable.
Therefore, bounded xenon oscillation is considered to be a constraint for the loadfollowing operation. In this paper, the design of a sliding mode control (SMC), which is arobust nonlinear controller, is presented.SMCis ameansto control pressurized water nuclearreactor (PWR) power for the load following operation problem in a way that ensures xenonoscillations are kept bounded within acceptable limits. The proposed controller uses constantaxial offset (AO) strategy to ensure xenon oscillations remain bounded. The constant AO is arobust state constraint for the load following problem. The reactor core is simulated based onthe two-point nuclear reactor model with a three delayed neutron groups. The stabilityanalysis is given by means of the Lyapunov approach, thus the control system is guaranteedto be stable within a large range. The employed method is easy to implement in practicalapplications and moreover, the SMC exhibits the desired dynamic properties during theentire output-tracking process independent of perturbations. Simulation results are presentedto demonstrate the effectiveness of the proposed controller in terms of performance,robustness, and stability. Results show that the proposed controller for the load followingoperation is so effective that the xenon oscillations are kept bounded in the given region.
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참고문헌 (16)
참고문헌 신청
C. Liu / 2009 / Design and optimization of fuzzy-PID controller for the nuclear reactor power control / Nucl. Eng. Des 239 : 2311 ~ 2316
C.E. Meyer / 1978 / Improved load follow strategy for return-to-power capability / Nucl. Technol 41 : 27 ~ 35
D. Hetrick / 1965 / Dynamic of Nuclear Reactor / The University of Chicago Press
H. Eliasi / 2011 / Robust nonlinear model predictive control for nuclear power plants in load following operations with bounded xenon oscillations / Nucl. Eng. Des 241 : 533
H.L. Akin / 1991 / Rule-based fuzzy logic controller for a PWR-type nuclear power plant / IEEE Trans. Nucl. Sci 38 : 883 ~ 890
C.E. Meyer / 1978 / Improved load follow strategy for return-to-power capability / Nucl. Technol 41 : 27 ~ 35
D. Hetrick / 1965 / Dynamic of Nuclear Reactor / The University of Chicago Press
H. Eliasi / 2011 / Robust nonlinear model predictive control for nuclear power plants in load following operations with bounded xenon oscillations / Nucl. Eng. Des 241 : 533
H.L. Akin / 1991 / Rule-based fuzzy logic controller for a PWR-type nuclear power plant / IEEE Trans. Nucl. Sci 38 : 883 ~ 890
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