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All Journal Jurnal Sistem Teknik Industri Journal of Industrial Community Empowerment SAINTI: Majalah Ilmiah Teknologi Industri
Khairun Nadiyah
Politeknik ATI Padang
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering

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Pemberdayaan Masyarakat Karibia melalui Pelatihan Pengolahan Mango Jelly dan Pemanfaatan Limbah Mangga Irna Ekawati; Maryam; Khairun Nadiyah; Adlina Safitri Helmi; Khairul Akli; Ester Edwar; Lisa Nesti; Dian Hasni; Eko Supriadi
JICE : Journal of Industrial Community Empowerment Vol. 4 No. 2 (2025)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/jice.v4i2.45

Abstract

The Caribbean region, despite its abundance of tropical agricultural commodities such as mangoes, continues to face challenges in product diversification and value-added processing. This community engagement program aimed to strengthen the productive capacity and economic empowerment of Caribbean communities—particularly small-scale farmers, agroindustry actors, and homemakers—through mango-based product development. Implemented by Politeknik ATI Padang in collaboration with the Non-Aligned Movement Center for South-South Technical Cooperation (NAM-CSSTC), the program was conducted virtually over two days in May 2025 using an integrated explicit–tacit knowledge transfer approach. Explicit knowledge was delivered through structured digital materials and video-based instruction, while tacit knowledge was reinforced through experiential learning, practical assignments, and interactive discussions. A total of 297 participants enrolled for the program, with 30 participants actively engaging through Zoom sessions and 267 participants accessing the training via YouTube livestreaming. The primary outcomes of the program included measurable improvements in participants’ technical competence, production readiness, and sustainability awareness. Evaluation results showed an increase in participants’ average scores from 84.4 (pre-test) to 89.2 (post-test), indicating enhanced understanding of mango jelly processing, packaging, waste utilization, and basic business planning. Moreover, participants successfully demonstrated their ability to independently produce mango jelly and apply organic waste management practices using mango peel residues. Beyond skill acquisition, the program fostered entrepreneurial motivation and promoted the adoption of circular economy principles at the community level. These findings highlight the effectiveness of virtual community empowerment initiatives in achieving tangible capacity-building outcomes and supporting sustainable, resource-based economic development across geographically dispersed regions.
PENERAPAN METODE PERAMALAN TIME SERIES UNTUK PREDIKSI PERMINTAAN EKSPOR SHORTENING PADA INDUSTRI OLEOKIMIA DI BATAM Khairun Nadiyah; Gustiarini Rika Putri; Maria Isfus Senjawati; Fitria Rizelda
SAINTI: Majalah Ilmiah Teknologi Industri Vol. 23 No. 1 (2026)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/sainti.v23i1.43

Abstract

Fluktuasi permintaan ekspor merupakan tantangan utama dalam perencanaan produksi industri oleokimia di Batam, khususnya pada produk shortening yang berorientasi ekspor. Ketidaktepatan peramalan dapat menimbulkan inefisiensi operasional seperti kelebihan produksi maupun kekurangan stok. Penelitian ini bertujuan menentukan metode peramalan paling akurat antara Single Moving Average (SMA) dan Single Exponential Smoothing (SES) dalam memprediksi permintaan ekspor shortening. Analisis dilakukan terhadap data historis permintaan selama 12 bulan dengan indikator kesalahan Mean Absolute Deviation (MAD), Mean Square Error (MSE), dan Mean Absolute Percentage Error (MAPE). Hasil menunjukkan metode SES (α = 0,9) paling akurat dengan MAD = 166, MSE = 33.231, dan MAPE = 3,35%. Temuan ini menegaskan bahwa model SES lebih sesuai untuk data permintaan fluktuatif dengan tren meningkat moderat, sehingga dapat meningkatkan efisiensi perencanaan produksi dan pengelolaan rantai pasok industri manufaktur ekspor.
Work Posture Evaluation of Manual Onion Finishing After Mechanical Peeling in a Food Processing Industry Rizki Alfi; Rahma Sawitri; Khairun Nadiyah; Maryam
Jurnal Sistem Teknik Industri Vol. 27 No. 4 (2025): JSTI Volume 27 Number 4 September 2025
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v27i4.21350

Abstract

Automation is increasingly applied in food-processing industries to enhance production efficiency. However, in onion-processing operations, peeling machines often fail to completely remove the outer skin, requiring workers to perform manual re-peeling to ensure raw-material quality. This task involves repetitive hand motions and forward-leaning postures, which may contribute to musculoskeletal strain. This study aims to evaluate the work posture of manual onion re-peeling workers using the Nordic Body Map (NBM) and Rapid Upper Limb Assessment (RULA) methods. Four workers participated in the study through direct observation, photo documentation, and questionnaire administration. NBM results indicated that the most frequent complaints occurred in the the shoulders, upper arms, elbows, forearms, wrists, and lower back. The average RULA score of 6 indicates a high-risk posture requiring prompt ergonomic intervention. The strong alignment between NBM and RULA findings reinforces the accuracy of the ergonomic diagnosis. This study highlights the need for ergonomic improvements such as workstation height adjustment, provision of lumbar-supported seating, micro-break scheduling, and simple tool redesign to reduce MSD risks and improve productivity in food-processing operations.
Co-Authors Adlina Safitri Helmi Dian Hasni Eko Supriadi Ester Edwar Fitria Rizelda Gustiarini Rika Putri Irna Ekawati Khairul Akli Maria Isfus Senjawati Maryam Nesti, Lisa Rahma Sawitri Rizki Alfi