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All Journal Jurnal Penelitian Pertanian Terapan Jurnal Tekinkom (Teknik Informasi dan Komputer)
Bonnu, Christin Hendriyani
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Agriculture, Biological Sciences & Forestry Computer Science & IT

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SIMULASI PENGENDALI SUHU DAN KELEMBABAN PADA BUDIDAYA JAMUR TIRAM DENGAN METODE FUZZY LOGIC SUGENO: PENDEKATAN KONSEPTUAL Blegur, Ernes Josias; Bonnu, Christin Hendriyani
Jurnal Teknik Informasi dan Komputer (Tekinkom) Vol 8 No 1 (2025)
Publisher : Politeknik Bisnis Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37600/tekinkom.v8i1.2068

Abstract

Oyster mushroom (Pleurotus ostreatus) cultivation requires ideal environmental conditions, particularly temperature and humidity parameters, to achieve optimal growth. This study aims to evaluate the effectiveness of applying fuzzy logic through the Sugeno method in developing an automatic control system for oyster mushroom cultivation, with the study limited to the system simulation stage. The simulation results show that the Sugeno method is capable of producing high accuracy in the decision-making process and adaptive adjustment of environmental parameters. The developed system is able to maintain the average value of air humidity in the range of 80–90% and air temperature between 22–28°C, in accordance with the ideal conditions for oyster mushroom growth. This research can be a foundation for further development in the implementation of efficient and sustainable control systems, especially in supporting oyster mushroom farmers in the North Central Timor region.
Isolasi Selulosa Dari Serat Buah Lontar (Borassus Flabellifer L.) Asal Pulau Timor Serta Aplikasinya Sebagai Bahan Baku Bioplastik Nomi, Anastasia Grandivoriana; Bonnu, Christin Hendriyani; Beno, Marlon Jusan Rinaldy
Jurnal Penelitian Pertanian Terapan Vol 26 No 1 (2026)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v26i1.4813

Abstract

The increasing use of synthetic polymer-based plastics derived from non-renewable resources has caused serious environmental and health problems. Therefore, the development of bioplastics based on natural polymers is considered a sustainable solution. This study aimed to isolate cellulose from lontar fruit fiber (Borassus flabellifer Linn.) and to evaluate its potential application as a raw material for bioplastic production. Lontar fruit fiber was subjected to alkaline treatment using NaOH, followed by bleaching with H₂O₂ and acid hydrolysis using H₂SO₄. The isolated cellulose was characterized in terms of yield, moisture content, and functional group identification using Fourier Transform Infrared (FTIR) spectroscopy. The results showed that the final cellulose yield reached 45.67%, indicating the dominance of the cellulose fraction after significant removal of hemicellulose and partial lignin. FTIR analysis confirmed the presence of characteristic cellulose functional groups, including hydroxyl (–OH), C–H stretching, and β-1,4-glycosidic (C–O–C) bonds, while lignin-related absorption bands were observed with very low intensity. The isolated cellulose was subsequently applied in bioplastic formulation using gelatin and glycerol as plasticizers. The resulting bioplastic exhibited homogeneous appearance, good elasticity, and low brittleness. These findings demonstrate that cellulose derived from lontar fruit fiber has strong potential as an environmentally friendly bioplastic raw material and supports the valorization of local biomass waste from dryland ecosystems.
Co-Authors Beno, Marlon Jusan Rinaldy Blegur, Ernes Josias Nomi, Anastasia Grandivoriana