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Performance monitoring of solar photovoltaic (PV) power systems is very essential for initial system evaluation, and continuous output optimization. Currently, PV system monitoring is complicated and expensive and limited to large scale grid connected solar PV plants. This paper surveys PV system monitoring methods and proposes a simple and economic method that can be used by stand alone PV power...
This paper identifies the major challenges faced in designing energy efficient wireless sensor networks. It was shown that energy optimization must be done at all levels including network, sensor node, and powering methods. A specific procedure for designing free space optics remote powering was described and the use of free space optics in wireless sensor network communication has been investigated.
An optical performance monitoring method based on synchronous sampling and different computation models has been used to investigate the effect of modeling errors on estimating the Q factor. The results show that modeling errors can be minimized and Q accuracy improved by giving more weight to the transition data points. This was accomplished by converting the linear sampled data to the log domain...
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