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This Author published in this journals
All Journal Proceeding of the Electrical Engineering Computer Science and Informatics Journal of Applied Information, Communication and Technology (JAICT)
Endro Wasito
Politeknik Negeri Semarang
Computer Science & IT Electrical & Electronics Engineering Engineering

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In Situ Solar Panel Output Power Measurement Related to Climate Parameters using Digital Recording Mardiyono Mardiyono; Endro Wasito; Sugeng Ariyono
Proceeding of the Electrical Engineering Computer Science and Informatics Vol 2: EECSI 2015
Publisher : IAES Indonesia Section

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1307.716 KB) | DOI: 10.11591/eecsi.v2.491

Abstract

Solar energy in tropical area is one of potential renewable energy due to the sun always shines along of a year involving in dry and rainy season. The power output of solar panel is depended on climate parameters including solar radiation, humidity, cloud, rain, and dust decomposition. This paper explores the climate parameters that potentially affect the power output of solar panel and estimate the solar energy in such region based on its climate parameters. To measure the climate and electric data, this work develops in house digital climate and electrical data recording that saves the data of humidity, wind speed, temperature, solar irradiance, current, and voltage sensors. The data are analyzed by equation of correlation between climate parameters, power output and solar panel temperature. The protoype of digital recording is tested at Politeknik Negeri Semarang located on latitude -7.054044 and longitude 110.434695 during dry season. Based on the correlation analysis of several climate parameters to solar panel output power, the correlation value of the humidity is -0.85, ambient temperature=0.87, solar irradiance=0.98, wind speed= -0.34 and cell temperature=0.83. This work can be used to estimate the potency of solar panel output power in specific location using climate data.
Design of a Water Sprinkler System and Monitoring of Soil Moisture in Potato Cultivation of the Kledung Horticulture Seed Center based on the Internet of Things (IoT) Eko Supriyanto; Endro Wasito; Abu Hasan; Dhea Ernanda; Karenza Balqis
JAICT Vol 5, No 2 (2020)
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jaict.v5i2.2023

Abstract

Potato is one of horticultural commodities that plays an important role to assure food security, mostly upper place such as plateau. Monitoring soil’s moisture and soil’s pH in potato plant tendance is the key point for good growth and development of potatoes. Soil moisture in a land is affected by the level of water contain in the soil. For that reason automatic monitoring system is needed to observe the land condition where the potato seedling is planted and a moisture control system that can ease the work. 40% to 70% of soil moisture is ideal for potatoes plant. The development of this design make use of wireless fidelity (wifi). This device keep the dampnes know less than 40%. If it’s less than 40%, the sensor will detected so the watering system will running and system will stop if reaching 70%. This design can monitor pH, temperature and humidity through the android application. With an accuracy level of the pH sensor for measuring 95.85% of acidity, the capacitive sensor for measuring soil moisture is 96.6% and DHT11 for measuring temperature and humidity at 99.75%.
Co-Authors Abu Hasan Dhea Ernanda Eko Supriyanto Karenza Balqis Mardiyono Mardiyono Sugeng Ariyono, Sugeng