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With excellent electrical properties high performance under wet and polluted conditions, wide operation temperature range and simple processing, liquid silicone rubber have been extensively used as an insulating material in power transmission and distribution system. However, in recent years, ‘acidic attack’ is becoming a matter of concern to the reliability of silicone rubber outdoor insulation....
Instead of constructing a complex aging model on the whole age space, a piecewise linear aging function is proposed to approximate the ground truth aging function locally. To handle the `regression toward the mean' problem of local aging function regression, a weighting strategy is used to assign larger weights to the samples near typical aging appearance of each age. In age estimation step, a global...
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