Today, the research article called „Increasing the Solar Reliability Factor of a Dual-Axis Solar Tracker using an Improved Online Built-In Self-Test Architecture“ was published in the IEEE Access journal.
It’s our first time publishing in this journal, and the experience was positive. I didn’t experience much difference regarding the reviewers‘ quality compared to MDPI, an open-access journal where I published some works a few years ago (it mostly depends on the Special Issue and having experienced and technically sound reviewers; luck plays a big role here). As long as the research work is not behind a paywall and future students can find the information we publish useful, I am satisfied with publishing in open access. Also, I like how good of a job open-access journals do with SEO! Every time I search on Google for some research papers, the open-access journals pop up at the top. Great for all of us! IEEE Access seems to have a 3.9 impact factor and is a Q1 journal. I encourage you to try it out.
Abstract: This paper introduces a novel mathematical approach to significantly enhance dual-axis solar trackers‘ Solar Reliability Factor (SRF) by developing and implementing an advanced Online Built-In Self-Test (OBIST) architecture. This innovative architecture is designed to efficiently address and correct single bit-flip errors within the system’s microcontroller unit (MCU), a common control unit in contemporary solar trackers. By employing an improved diagnostic scheme based on extended Hamming codes, our OBIST architecture identifies and autonomously corrects all detected single bit-flip errors, reducing the fault coverage to 0%. This capability marks a significant advancement in the field, directly contributing to a substantial increase in the SRF by 47.48%. The study meticulously analyzes the potential fault domain influenced by environmental factors such as prolonged sunlight exposure and varying weather conditions, which are critical in the regular operation of solar trackers. Furthermore, we introduce a probabilistic model for defining and addressing stuck-at-faults, enhancing the system’s overall reliability. The successful application of novel fault coverage-aware metrics demonstrates the OBIST architecture’s effectiveness in improving solar tracker reliability, significantly contributing to the photovoltaic (PV) systems domain. This research presents a groundbreaking approach to enhancing solar tracker reliability and sets the stage for future advancements in the maintenance and efficiency of renewable energy systems.
You can read our research paper „Increasing the Solar Reliability Factor of a Dual-Axis Solar Tracker using an Improved Online Built-In Self-Test Architecture“ here: https://ieeexplore.ieee.org/document/10464275
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