A Novel Approach for Analog Circuit Fault Prognostics Based on Improved RVM
A Novel Approach for Analog Circuit Fault Prognostics Based on Improved RVM
复制标题
基于改进RVM的模拟电路故障预测新方法
DOI:
10.1007/s10836-014-5454-8
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发表时间:
2014-06
影响因子:
0.9
通讯作者:
邓芳明
中科院分区:
文献类型:
--
作者:
张朝龙;何怡刚;袁莉芬;邓芳明
In order to estimate the remaining useful performance (RUP) of analog circuits precisely in real time, an analog circuit fault prognostics framework is proposed in the paper. Output voltages are extracted from circuit responses as features to calculate cosine distance which can reflect the health condition of analog circuits. Relevance vector machine (RVM) which has been improved by particle swarm optimization (PSO) algorithm is applied to estimate the RUP. Twelve case studies involving bandpass filter, highpass filter and nonlinear circuit have validated the predict performance of the approach. Simulation results demonstrate that the proposed approach has higher prediction precision.
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DOI:
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Expert Syst. Appl.
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