An embedded system to measure ground-based solar irradiance signal

•Minimize the cosine or directional response by a special sensor arrangement.•Protect the sensors from the outside environmental hazards.•Enhance the memory and transmission channel efficiency.•Design a GUI for controlling and monitoring the functionality of the system.•The cost is cheaper compare t...

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Bibliographic Details
Published in:Measurement : journal of the International Measurement Confederation 2021-03, Vol.173, p.108598, Article 108598
Main Authors: Roy, Soumya, Chandra Panja, Subhash, Narayan Patra, Sankar
Format: Article
Language:English
Subjects:
Calibration
Environmental monitoring
Hazards
Irradiance
Mechanical systems
Microcontroller-based data acquisition
Modules
Monitoring systems
Photovoltaic cells
Pyranometer
Radiation
Radiation measurement
Remote monitoring
Solar energy
Solar Irradiance
Solar radiation
Solar radiation measurement
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Summary:•Minimize the cosine or directional response by a special sensor arrangement.•Protect the sensors from the outside environmental hazards.•Enhance the memory and transmission channel efficiency.•Design a GUI for controlling and monitoring the functionality of the system.•The cost is cheaper compare to other commercially marketable pyranometers. This paper describes the construction, design, and testing of a low-cost intelligent system to measure ground-based global solar irradiance signal. The prime characteristics of this developed system are accuracy, portability, minimize directional response, regulated internal temperature, protection from environmental hazards, remote monitoring, and finally, the cost which is much lower than the conventional pyranometer. The sensor module is designed using multiple sensors to achieve better directional response. The sensor module also has an electro-mechanical system to protect from different environmental hazards. The monitoring station has a graphical end with soft buttons for controlling the functionality of sensor station through a reliable wireless channel. The developed system tries to minimize the traditional shortcomings associated with solar radiation measurement system and offers mean absolute error of 1.27 W/m2 and average directional response error of 6.76%. This system can be utilized in solar radiation measurement applications where cost is a key factor for selection.
ISSN:0263-2241
1873-412X
DOI:10.1016/j.measurement.2020.108598