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基于策略梯度优化的变压器油中溶解气体预测模型

open access: yesGaoya dianqi
对变压器油中溶解气体浓度进行预测分析可为其运行状态评估提供重要依据,从而有效掌握设备状态发展趋势,为预警和检修提供参考。鉴于现有算法难以实现长期精确预测,文中首次提出一种基于策略梯度(policy gradient,PG)算法优化的变压器油中溶解气体体积分数预测模型。首先以门控循环单元(gate recurrent unit,GRU)为基础,引入编码器—解码器结构搭建Sequence to Sequence(Seq2Seq)网络模型,并且结合注意力机制和Scheduled Sampling算法 ...
汤健   +5 more
doaj  

[Granuloma faciale and Takayasu arteritis in a child: a case report]. [PDF]

open access: yesZhongguo Dang Dai Er Ke Za Zhi
Liao W   +5 more
europepmc   +1 more source

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