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All Journal JITK (Jurnal Ilmu Pengetahuan dan Komputer) Jurnal Layanan Masyarakat (Journal of Public Service)
Sigit Dani Perkasa
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Humanities Computer Science & IT Decision Sciences, Operations Research & Management Environmental Science Social Sciences Other

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THE UTILIZATION OF 900 WP OFF-GRID SOLAR POWER PLANT FOR PRODUCT INTENSIFICATION OF A HYDROPONICS FARMER GROUP Rizki Putra Prastio; Prisma Megantoro; Syamsul Arifin; Dimas Dzaky Rafii Muhammad; Irsyad Hilmi; Sigit Dani Perkasa
Jurnal Layanan Masyarakat Vol. 7 No. 2 (2023): JURNAL LAYANAN MASYARAKAT
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jlm.v7i2.2023.220-229

Abstract

In collaboration with a group of hydroponics farmers, an activity as a part of community service implementation has been carried out in Pasuruan, Eastern Java. The activity aims to develop a 900 Wp solar power plant capable of providing energy for running the essential electrical devices for the hydroponics system uninterrupted. This idea is to resolve the energy issue when the outage occurs. Moreover, the reliance on the public grid also adds additional expense for the electricity bill. Based on the observation, the power plant reliably provides sufficient energy to turn on different hydroponics electrical devices. It can supply energy for 12 hours without charging to activate, in total, 160 Watt of diverse loads all night long. While during the day, solar panels deliver energy for the batteries recharging and the other loads. Some other facilities are also developed in this activity, including UV plastic roof and addition of the grow lights to promote the plants’ growth acceleration. The plastic roof efficiently reduces the sunlight intensity to lower the heat experienced by the plants, transmits specific wavelengths crucial for growth, and prevents the rainwater from entering the nutrient water tank. Meanwhile, the grow lights stimulate faster growth and quickly recover the plants after receiving much heat that causes them to look wilt. As a result, the farmers are now less reliant on the public grid, and the hydroponics system is more weather-resistant.
EXPERT SYSTEM FOR CLASSIFYING AUTISM CHILDREN’S INDEPENDENCE LEVEL FROM DAILY ACTIVITY USING FORWARD CHAINING Indah Werdiningsih; Fachrizal Fikri; Nania Nuzulita; Barry Nuqoba; Sigit Dani Perkasa
JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer) Vol. 11 No. 4 (2026): JITK Issue May 2026
Publisher : LPPM Nusa Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33480/jitk.v11i4.7866

Abstract

Children with Autism Spectrum Disorder (ASD) require early intervention during their developmental stages. Currently, the availability of experts capable of accurately classifying the independence levels of children with ASD remains limited. Determining these independence levels is crucial, as it serves as the basis for establishing appropriate early interventions. The system aims to assist specialists in conducting more consistent and efficient assessments. This study contributes a novel application of a forward chaining–based expert system for classifying ASD children’s independence levels, integrating rule-based reasoning with user-centered evaluation, which distinguishes it from previous studies that primarily focus on diagnosis rather than functional independence assessment. Data were collected from three institutions: two Public Special Need Schools and a Regional Technical Implementation Unit of Children with Special Needs in East Java. The dataset consists of 400 records encompassing five daily activities: eating, drinking, brushing teeth, dressing, and taking off clothes. The independence levels are classified into three categories: independent, partially independent, and dependent. This research consists of seven stages, namely data collection, rule based system using forward chaining, database design using CDM and PDM, user interface development, implementation of the Next.js framework system and PostgreSQL database, system testing, and system evaluation. The results of the study showed that the accuracy was 98.5% and the user satisfaction score was 80.85%. These results indicate that the proposed method is effective in supporting therapists in determining the level of independence of children with ASD based on rules established by experts.
Co-Authors Barry Nuqoba, Barry Dimas Dzaky Rafii Muhammad Fachrizal Fikri Indah Werdiningsih Irsyad Hilmi Nania Nuzulita Prisma Megantoro Rizki Putra Prastio Syamsul Arifin