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Low-Rank Matrix Completion Based Lifetime Evaluation of XLPE Power Cable |
Xu Gang,Tan Yuanpeng,Huang Lin |
North China Electric Power University Beijing 102206 China |
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Abstract In this article,a novel lifetime evaluation method of XLPE power cable is proposed by employing low-rank matrix completion technology. The proposed method can effectively deal with small sample sized life prediction problems,which can not be handled by the traditional algorithms,caused by the disunity on cable test categories of different manufacturers. In the proposed method,an information matrix of power cable insulation state is established with all the indicators and cable life of a single cable sample as a column vector. By dividing the information matrix into a low-rank matrix and a sparse noisy matrix,the tasks of lifetime evaluation of XLPE power cable are complished. Experimental simulation results demonstrate the accuracy and robustness of this proposed method.
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Received: 21 January 2014
Published: 22 January 2015
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