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Application of Concept Lattices in Distributed Power Networks Fault Diagnosis

Author: HongXiaoDong
Tutor: LiRan
School: North China Electric Power University (Hebei)
Course: Proceedings of the
Keywords: Power system Large power grids Fault Diagnosis Concept lattice Joint Rules
CLC: TM711
Type: Master's thesis
Year: 2009
Downloads: 53
Quote: 0
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Abstract


The concept lattice recent years a powerful tool for the rapid development of the data analysis . Given the rough set limitations exist in large power grid fault diagnosis applications in grid fault diagnosis in the value of the complexity of the reduction process , as well as the traditional artificial intelligence techniques , the proposed distributed power grid fault diagnosis method based on the concept lattice theory . First, the grid is split into a number of sub- networks , each sub- network attribute reduction decision table into the form of background , then the theory of formal concept analysis was proposed based on the method of grid construction to generate knowledge yuan concept based on a single object , arrive at a final decision by eliminating redundant concept concept lattice , the formation of fault diagnosis rule base , and through joint rule mining algorithm to form a contact line fault rule base , at the same time generate Hasse diagram of the display of the reasoning process . The study shows that the method is more rough set is more simple and intuitive , its lower computational complexity , effective diagnosis of the failure of the contact line between the local power grid , and can provide the type of failure that may occur in the case of loss of core attributes , indicating that the method with practicality.

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Theory and Analysis > Network analysis,power system analysis
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