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DECOUPLING CONTROL OF CANADIAN SUPERCRITICAL WATER-COOLED REACTORS
Sun, Peiwei; Jiang, Jin; Wang K(王锴)
Department工业控制网络与系统研究室
Source PublicationNUCLEAR TECHNOLOGY
ISSN0029-5450
2014
Volume185Issue:3Pages:239-258
Indexed BySCI ; EI
EI Accession number20141917698927
WOS IDWOS:000333730100002
Contribution Rank3
Funding OrganizationNatural Science and Engineering Research Council of Canada; Natural Science Foundation of China [61004068]
KeywordLight-water Dynamic-model Construction Pressure Scwr
AbstractThe Canadian supercritical water-cooled reactor (SCWR) can be modeled as a multiple-input multiple-output system. It has a high power-to-flow ratio, strong cross coupling, and a high degree of nonlinearity in its dynamic characteristics. Because of the existence of strong cross coupling among system inputs and outputs, it is difficult for a traditional control system design methodology to produce a satisfactory control system. In this paper, the direct Nyquist array method is used first to decouple the system into a diagonally dominant form via a precompensator. After decoupling the system successfully, three single-input single-output dynamic compensators are synthesized in the frequency domain. By using the precompensator, the temperature variation because of disturbances at the reactor power and pressure is significantly reduced. The control system can effectively maintain the overall system stability and regulate the plant around a specified operating condition. To deal with the nonlinearities, a control strategy based on gain scheduling is adopted. Different sets of controllers are used for the plant at different load conditions. The proposed control strategies have been evaluated under various operating scenarios. The robustness of the controller with respect to operating condition changes is also investigated. It is shown that the decoupling control can effectively reduce the cross coupling inherent in the Canadian SCWR, and gain scheduling control can successfully achieve satisfactory petformance for different operating conditions.
Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectNuclear Science & Technology
WOS KeywordLIGHT-WATER ; DYNAMIC-MODEL ; CONSTRUCTION ; PRESSURE ; SCWR
WOS Research AreaNuclear Science & Technology
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/14736
Collection工业控制网络与系统研究室
Corresponding AuthorSun, Peiwei
Affiliation1.Xi'An Jiaotong University, School of Nuclear Science and Technology, No. 28 Xianning West Road, Xi'an, Shaanxi 710049, China
2.University of Western Ontario, Department of Electrical and Computer Engineering, London, ON, N6A 5B9, Canada
3.Chinese Academy of Sciences, Shenyang Institute of Automation, Laboratory of Industrial Control Network and Systems, No. 114, Nanta Street, Shenyang 110016, China
Recommended Citation
GB/T 7714
Sun, Peiwei,Jiang, Jin,Wang K. DECOUPLING CONTROL OF CANADIAN SUPERCRITICAL WATER-COOLED REACTORS[J]. NUCLEAR TECHNOLOGY,2014,185(3):239-258.
APA Sun, Peiwei,Jiang, Jin,&Wang K.(2014).DECOUPLING CONTROL OF CANADIAN SUPERCRITICAL WATER-COOLED REACTORS.NUCLEAR TECHNOLOGY,185(3),239-258.
MLA Sun, Peiwei,et al."DECOUPLING CONTROL OF CANADIAN SUPERCRITICAL WATER-COOLED REACTORS".NUCLEAR TECHNOLOGY 185.3(2014):239-258.
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