Journal
COMPUTATIONAL MECHANICS
Volume 68, Issue 2, Pages 357-370Publisher
SPRINGER
DOI: 10.1007/s00466-021-02035-z
Keywords
Agrophotovoltaics; Digital-twin; Machine-learning
Funding
- UC Berkeley College of Engineering
- USDA AI Institute for Next Generation Food Systems (AIFS) [2020-67021-32855]
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This work develops a computational framework to track and optimize the flow of solar power in complex solar farm facilities, particularly APV systems. The method is efficient and rapid, suitable for designing and deploying solar energy systems.
This work develops a computational Digital-Twin framework to track and optimize the flow of solar power through complex, multipurpose, solar farm facilities, such as Agrophotovoltaic (APV) systems. APV systems symbiotically cohabitate power-generation facilities and agricultural production systems. In this work, solar power flow is rapidly computed with a reduced order model of Maxwell's equations, based on a high-frequency decomposition of the irradiance into multiple rays, which are propagated forward in time to ascertain multiple reflections and absorption for various source-system configurations, varying multi-panel inclination, panel refractive indices, sizes, shapes, heights, ground refractive properties, etc. The method allows for a solar installation to be tested from multiple source directions quickly and uses a genomic-based Machine-Learning Algorithm to optimize the system. This is particularly useful for planning of complex next-generation solar farm systems involving bifacial (double-sided) panelling, which are capable of capturing ground albedo reflection, exemplified by APV systems. Numerical examples are provided to illustrate the results, with the overall goal being to provide a computational framework to rapidly design and deploy complex APV systems.
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