The International Thermonuclear Experimental Reactor(ITER)is one of the ultimate attractive solutions to sort the energy crisis by generating large amount of carbon-free energy.The Poloidal Field(PF)converter,as a significant part of the ITER device,plays essential role in the plasma shape and position control in vertical and horizontal direction.The AC/DC PF converter power supply is very complex,highly nonlinear and time varying in nature.Its physical model has a growing interest to realize the...

【文章頁數(shù)】：135 頁

【學(xué)位級(jí)別】：博士

【文章目錄】：
ABSTRACT
Chapter 1 Introduction
    1.1 Literature
        1.1.1 JET
        1.1.2 KSTAR
        1.1.3 JT-60SA
        1.1.4 EAST
        1.1.5 STOR-M tokamak
    1.2 ITER Power supply configuration
    1.3 System Layout of ITER PF converter
    1.4 System operation strategy and design
        1.4.1 The operation requirements for the ITER PF AC/DC converter
    1.5 General history and applications of fuzzy control theory
    1.6 Objective and research methodology of the proposed thesis
    1.7 Thesis outline
Chapter 2 Background of the Fuzzy Controller
    2.1 Conventional and fuzzy controller general description
    2.2 The Fuzzy Controller Algorithm
    2.3 Fuzzy membership functions
    2.4 Silent features of the membership function
        2.4.1 The Fuzzy sets Classification
    2.5 Comparison of mamdani and Sugeno methods
        2.5.1 Mamdani Fuzzy Controller structure
        2.5.2 Takagi Sugeno Fuzzy Controller Structure
Chapter 3 Control Strategy Using Mamdani Fuzzy Controller for ITER PF ac/dc Converter System
    3.1 Fuzzy logic controls versus classical control
    3.3 Fuzzy logic input-output with descriptive relations
    3.4 Parameters selection in fuzzy system
        3.4.1 Scaling factor system
    3.5 Fuzzification, inference rule and defuzzification
    3.6 Results and discussion
    3.7 Circulating operation mode
        3.7.1 Introduction
    3.8 The analysis of circulating operation
    3.9 Control Design Algorithm
    3.10 The Basic Fuzzy Algorithm
    3.11 Results and Discussion
    3.12 Summary of the chapter
Chapter 4 The Analysis for ITER PF ac/dc converter Using Takagi Sugeno Fuzzy Controller
    4.1 Introduction
    4.2 Fuzzy logic controller design
    4.3 TS fuzzy controller stability
    4.4 Takagi-Sugeno (TS) fuzzy model Identification technique
        4.4.1 TS fuzzy model heuristic description
        4.4.2 TS heuristic off line identification technique
    4.5 TS fuzzy controller technique
        4.5.1 Design of TS fuzzy control structure
    4.6 Controller description in circulation mode
        4.6.1 Defuzzification
    4.7 Results and Discussion
    4.8 Summary of the chapter
Chapter 5 Design of Type-2 Fuzzy Controller for ITER PF ac/dc Converter System
    5.1 Introduction
    5.2 System Operation Description
    5.3 Type 2 fuzzy controller stability
    5.4 Type-2 Fuzzy Logic Sets
    5.5 Type 2 Fuzzy Controller Design Strategy
    5.6 Results and Discussions
    5.7 Summary of chapter
Chapter 6 Comparison of three kind of fuzzy controllers
    6.1 Optimization in each controller modes
        6.1.1 Fuzzy controller limitation and advantages
    6.2 Robustness of fuzzy controllers
    6.3 ITER PF ac/dc converter using type 1 and type 2 fuzzy controller strategy
        6.3.1 Type 1 fuzzy controller limitations and advantages
        6.3.2 Type 2 fuzzy limitations and advantages
    6.4 Summary of the chapter
Chapter 7 Conclusion and Future Plan
    7.1 Innovation of the thesis
    7.2 Summary of the thesis
    7.3 Future work
REFERENCES
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