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All Journal Jurnal DISPROTEK Populer: Jurnal Penelitian Mahasiswa Inventa: Journal of Science, Technology, and Innovation Technema: Journal of Intelligent Engineering and Computing
Nuzulia Khoiriyah
Universitas Islam Sultan Agung Semarang
Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Other

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ANALISA PENGURANGAN KADAR AIR MADU KLANCENG MENGGUNAKAN METODE DEHUMIDIFIKASI Muhammad Sagaf; Akhmad Syakhroni; Nuzulia Khoiriyah
Jurnal DISPROTEK Vol 13, No 1 (2022)
Publisher : Universitas Islam Nahdlatul Ulama Jepara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34001/jdpt.v13i1.3074

Abstract

Madu memiliki kandungan nutrisi yang sangat lengkap yang terdiri dari gula dan enzim kompleks yang memungkinkan terjadinya reaksi biokimia. Penurunan kadar air madu merupakan salah satu cara untuk mencegah terjadinya fermentasi. Pada penelitian ini digunakan metode dehumidifikasi untuk melihat pengaruhnya terhadap penurunan kadar air madu klanceng. Penelitian dilakukan dengan variasi parameter suhu, luas penampang dan waktu terhadap penurunan kadar air madu. Hasil penelitian dianalisa menggunakan regresi linear dan didapat penurunan kadar air sebesar 0,1% untuk setiap kenaikan suhu dehumidifikasi sebesar 1 °C, penurunan kadar air sebesar 0,0083% untuk setiap peningkatan luas penampang sebesar 1 cm2, dan penurunan kadar air sebesar 0,0167% untuk setiap kenaikan waktu proses selama 1 menit.
Perancangan Alat Peniris Serundeng Menggunakan Motor Listrik Untuk Meningkatkan Efisiensi Produksi Pada UMKM Serundeng Rahayu Nuzulia Khoiriyah; Aditya Susilo Widhiharto; Aji Ripki Pauji; Kunni Kafidzatul Ulfiah; Riki Setiawan
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/68h6pn89

Abstract

Serundeng production in small and medium enterprises still faces limitations in the oil-draining stage because conventional methods require long processing times and may affect product quality. This study aims to design an electric-motor-powered serundeng draining machine to improve production efficiency while maintaining product quality and operator usability. The research employed a product design and development approach supported by literature research, field observation, interviews, documentation, and anthropometric analysis. Anthropometric data were collected from 30 adults and evaluated through adequacy, uniformity, and percentile analyses. The design considered production efficiency, product quality, hygiene, reliability, safety, ergonomics, and economic feasibility. The resulting machine consists of an electric motor, frame, stainless-steel container, sieve, drive shaft, bearing, discharge channel, and control panel. Selected anthropometric dimensions included a 66 cm forward hand reach, 77 cm lateral hand reach, 96 cm standing navel height, 3 cm index-finger width, and 7 cm grip width. The final design has dimensions of 80 × 66 × 96 cm and a capacity of 2 kg. The proposed machine provides a practical technological alternative for improving serundeng production efficiency and process consistency in small-scale food enterprises.
Perancangan Alat Otomasi Leakage Oil untuk Mengatasi Akibat Kebocoran Oli Hidrolik Actuator Governor PLTA Dimas Indra Pradikta; Alvian Wicaksono; Nuzulia Khoiriyah
Populer: Jurnal Penelitian Mahasiswa Vol. 5 No. 1 (2026): Maret: Jurnal Penelitian Mahasiswa
Publisher : Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/populer.v5i1.4242

Abstract

This study discusses the design of an Oil Leakage automation tool to overcome hydraulic oil leaks in the Actuator Governor of the X Hydroelectric Power Plant . The main problem faced is the emergence of an Actuator Level Oil Drip Tray alarm due to oil leaks, which results in operational disruptions and potential start failures. The research method is carried out through identifying the root cause using a fishbone diagram, analyzing alternative solutions with Decision Matrix Analysis, and implementing an automation system based on a float level switch. The results of the study indicate that the Oil Leakage automation tool is effective in automatically returning leaked oil to the governor sump tank, increasing unit reliability, reducing the number of Service Requests related to oil disturbances, and saving costs of up to IDR 63 million per year. Economically, the analysis results show a positive Net Present Value (NPV) of IDR 233 million, a Benefit-Cost Ratio (BCR) of 26.49, and an Internal Rate of Return (IRR) of 699%, which indicates that the project is very financially feasible.  In addition to providing cost-efficiency benefits, this tool also contributes to reducing hazardous waste, improving occupational safety, and supporting zero-accident programs and environmental sustainability in the power generation sector
Improving the Quality of the Plastic Woven Basket Production Process Using the Plan-Do-Check-Action (PDCA) Cycle (Case Study: CV Karya Abadi) Ana Nur Avivah; Novi Marlyana; Nuzulia Khoiriyah; Dana Prianjani
Technema: Journal of Intelligent Engineering and Computing Vol. 1 No. 4 (2026): :December: Technema: Journal of Intelligent Engineering and Computing
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study evaluated quality improvement in the production of plastic-woven bojok at CV Karya Abadi using the Plan–Do–Check–Action (PDCA) cycle. Initial observations over ten production days recorded 150 units and 104 defect occurrences, consisting of 84 cases of insufficiently dense weaving, 10 loose-weaving defects, and 10 series-weaving defects. The dominant defect represented 80.77% of total occurrences. Root-cause analysis identified contributing factors related to man, method, material, machine, and environment. Corrective measures were then implemented through standardized work instructions, in-process checkpoints, raw-material inspection, plastic-rope sorting, a new tightening tool, and work-position adjustment. After implementation during 10–19 August 2026, total defect occurrences decreased to 38, comprising 27 insufficiently dense weaving defects, seven loose-weaving defects, and four series-weaving defects. Using the same production comparison basis of 150 units, the reported defect percentage fell from 69.33% to 25.33%, while total defects declined by 63.46%. The findings indicate that PDCA provided a structured basis for identifying defects, implementing corrective measures, evaluating outcomes, and establishing improved practices as production standards. These results demonstrate measurable improvement in process consistency and support periodic evaluation of standardized corrective practices.
Co-Authors Aditya Susilo Widhiharto Aji Ripki Pauji Akhmad Syakhroni Alvian Wicaksono Ana Nur Avivah Dana Prianjani Dimas Indra Pradikta Kunni Kafidzatul Ulfiah Muhammad Sagaf Novi Marlyana Riki Setiawan