孤立反馈回路中的自适应光耦合器退化补偿

2018 IEEE 12th International Symposium on Applied Computational Intelligence and Informatics (SACI) Pub Date : 2018-05-01 DOI:10.1109/SACI.2018.8440950

György Györök, Bertalan Beszédes

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引用次数: 4

摘要

光耦合器是基于光发射器和检测器对的光电器件。发射光的任何衰减都会引起元件输出的变化。这种增益变化也被称为CTR(电流传递比)退化，尽管在某些情况下，发射的光输出实际上随着时间的推移而增加。这种现象是pn结电致发光固有的，是不可预测的。过多的退化可能导致偏离最佳操作或灾难性的系统故障。针对这一问题，本文提出了一种基于单片机的鲁棒解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Adaptive Optocoupler Degradation Compensation in Isolated Feedback Loops

An optocoupler is an optoelectronic device, based on a light emitter and detector pair. Any degradation in the emitted light causes a change in the output of the component. This gain change is also known as CTR (current transfer ration) degradation,-although in some cases, the emitted light output actually increased over time. This phenomenon is inherent of the p-n junction electroluminescence and it is unpredictable. Excessive amount of degradation may cause a deviation from optimal operation or a catastrophic system failure. This paper puts forward a robust, microcontroller based solution for this problem.

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来源期刊

2018 IEEE 12th International Symposium on Applied Computational Intelligence and Informatics (SACI)

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