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基于电源电流和输出电压的模拟电路故障模型研究

更新时间:2020-07-27 01:12:31 大小:280K 上传用户:zhiyao6查看TA发布的资源 标签:电源 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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基于模拟电路电源电流和输出电压的协同分析,研究了复数域的故障建模方法,提出了一种2D故障模型的数学表达式,该模型为复平面上的一簇圆轨迹;为了扩大故障轨迹之间的距离,在相同测量精度和元件容差条件下提高故障检测率和隔离率,进一步提出了3D复数空间的优化故障模型;两种故障模型都极大简化了测点选择算法和模拟故障状态仿真的复杂度,理论上对模拟电路单故障的覆盖率为100%;基于滤波器电路的实验仿真结果验证了两种故障模型的有效性。

This paper provides a research on the fault modeling of analog circuits in the complex field,a mathematic phasor fault model is proposed based on collaborative analysis of supply current and output voltage,which is a family of circinal loci on the 2D complex plane.Furthermore,In order to increase the distances between each pair of loci,the fault model is improved in 3D complex space,which achieves a far better fault detection ratio(FDR) against the measurement error and parametric tolerance.Both of the fault models simplify greatly the algorithms of test point selection and potential faults simulation,and achieve very excellent fault coverage that are likely close to 100%for single fault.Moreover,results of some experimental appl...

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基于电源电流和输出电压的模拟电路故障模型研究.pdf 280K

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