A Method to Implement a Monitoring System Based on Low-Cost Sensors for Micro-environmental Conditions Monitoring in Greenhouses

Romano, Elio; Brambilla, Massimo; Toscano, Pietro; Bisaglia, C.

doi:10.1007/978-3-030-39299-4_83

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…The phototransistor and photodiode provided the best uniformity of light receptors that can convert light intensity into current signals [20]. TEMT6000 is widely used in light intensity measurement and control, such as lighting systems, and measurement systems for greenhouses [21], [22]. The array of photodetector was shown in Figure 1.…”

Section: Array Of Photo Detectormentioning

confidence: 99%

Experiment analysis of non-uniformity measurement by array detector scanning system

Watjanatepin

Sritanauthaikorn

Boonmee

et al. 2022

IJEECS

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Solar simulator is used to analysis characteristic of the solar cells. The non-uniformity is its major performance. The traditional non-uniformity measurement calls single detector method. The paper’s objective is to design and construct an array detector scanning system and to determine the optimal scanning time to achieve the lowest uncertainty. To investigate the non-uniformity by our proposed method and the traditional method, our detector consisted of eight photodiodes mounted on an arm of a linear motion lead screw to guide the detector scaning onto the lighting area. A microcontroller applied for controling and measuring light irradiance in 64 points corresponding to IEC 60904-9 standard. The results showed that the array detector scanned at a speed of 33.33 mm/s to obtain the non-uniformity with the lowest uncertainty, less than 0.6%. Analysis results of the non-uniformity obtained from our system on the test areas of (mm×mm) 156×156, 166×166 and 200×200 compared with the single detector. It showed that the mean absolute error was 1.27. Our system provided a lower uncertainty than the traditional method. The measurement accuracy was acceptable. The advantage is for testing on different test areas within a single device. The measurement time is around 1/32 of the traditional method.

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Section: Array Of Photo Detectormentioning

confidence: 99%

Experiment analysis of non-uniformity measurement by array detector scanning system

Watjanatepin

Sritanauthaikorn

Boonmee

et al. 2022

IJEECS

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Augmented Reality for the Management of Microclimate Variability in Greenhouses

Romano,

Bisaglia,

Lazzari

et al. 2023

2023 IEEE International Workshop on Metrology for Agriculture and Forestry (MetroAgriFor)

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Monitoring Experiment of Melon Greenhouse’s Environment in Tropical Climate

Wongwatcharapaiboon,

Likitswat,

Sudprasert

et al. 2024

BUILT

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Greenhouses in tropical climates are designed to control passively the environment, protecting plants from pest and extreme climate condition, which is increasingly important due to climate change. This research aims to monitor a melon greenhouse's environment in a tropical climate to understand light intensity, pollutants, and climate conditions. Indoor and outdoor conditions of melon greenhouse were real-time monitored by Vantage VUE model, DAVIS weather station, PM2.5 meter and noise meter. The findings examined that peak light intensities were recorded at 135,600 lux outdoors and 32,050 lux indoors at noon, with an average light transmittance of 38%. Additionally, PM2.5 levels remained stable around 26-30 µg/m³, and sound levels decreased from 60 dB in the morning to 45 dB. These pollution levels did not disturb farmer and indoor melon in winter season. However, other seasoning period needs to be monitored for long term adaptation of application and climate change mitigation. These research findings will support greenhouse design for human comfort and plant growth, considering and optimizing temperature and humidity conditions. IoTs mechanisms and devices were proposed high costly potential for monitoring sensor, networking process, comparative and reliable data collection for further next step of greenhouse integration. Lastly, upcycled transparent roof from LDPE were suggested to be continually used with minor development or plug-in devices for increasing light shade during the mid-daytime.

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A Method to Implement a Monitoring System Based on Low-Cost Sensors for Micro-environmental Conditions Monitoring in Greenhouses

Cited by 3 publications

References 10 publications

Experiment analysis of non-uniformity measurement by array detector scanning system

Experiment analysis of non-uniformity measurement by array detector scanning system

Augmented Reality for the Management of Microclimate Variability in Greenhouses

Monitoring Experiment of Melon Greenhouse’s Environment in Tropical Climate

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