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All Journal Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi PUBLIDIMAS CSRID IESM
Fragastia, Vidi Agung
Industrial Engineering, Universitas Potensi Utama, Medan, Indonesia
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Implementation of the Critical Path Method (CPM) in the Flower House Construction Project Galang Pramuja; Dimas Aditya; Ahmad Ridwan; Anggi BR Pasaribu; Rahmat Hidayat; Lamhot Pasaribuf; Vidi Agung Fragastia
Industrial Engineering System and Management Journal Vol. 6 No. 2 (2025): Vol 6 No 2 Agustus 2025
Publisher : LPPM Universitas Potensi Utama

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Abstract

The project management approach plays an important role in controlling project activities carried out to minimize time and cost risks. Project management is usually used in construction projects such as general development to research and development activities. One crucial aspect in project management is scheduling the implementation time. Scheduling serves to determine the sequence, duration, and relationship between project activities. This research writing uses a quantitative research design by collecting primary and secondary data relevant to the research questions. This research also uses the Critical Path Method (CPM) approach, which is a method used to analyze project scheduling and project time planning as well as find critical paths to determine effective and optimal time in completing a project. This research was conducted on the Flower House Construction project at PT. XYZ. The results of this study indicate that the critical path obtained is as many as 6 activities or jobs, namely, (A) Measurement and installation of bowplanks, (B) Making and assembling iron poles, (D) Installation of iron poles, (E) Installation of stones for walls, (F) Plastering walls, (H) Painting and finishing. The critical path obtained from start to finish is 1 – 2 – 3 – 5 – 6 – 7 – 9.
Digital Transformation in Supply Chain Management: A Literature Review Rizky Budi Pratama; Suheri Efendi; Wahyu Indra Susila; Alwansyah Putra; Vidi Agung Fragastia; Nita Marikena
Industrial Engineering System and Management Journal Vol. 6 No. 2 (2025): Vol 6 No 2 Agustus 2025
Publisher : LPPM Universitas Potensi Utama

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Abstract

In the era of globalization and increasingly complex industrial competition, the digitalization of Supply Chain Management (SCM) has become a key strategy for enhancing efficiency, responsiveness, and competitive advantage. This study aims to examine the role of digital transformation in supply chain management through a literature review of 20 national and international journal articles published between 2017 and 2025. The analysis reveals that SCM digitalization—through the integration of technologies such as the Internet of Things (IoT), Big Data Analytics, Artificial Intelligence (AI), and blockchain—can significantly improve data visibility, accelerate real-time information flow, and support analytics-based decision-making. This transformation not only drives operational efficiency but also strengthens collaboration and supply chain resilience. However, the adoption of digital technologies still faces various challenges, including infrastructure limitations, high investment costs, and insufficient human resource readiness. Several studies also highlight that the impact of digitalization on product quality and sustainability is not yet optimal without improvements in quality management systems and supportive regulations. Therefore, sustainable and context-specific implementation strategies, as well as collaboration among government, industry, and academia, are essential. This study recommends further exploration of inclusive digital adoption models, cybersecurity reinforcement, and the integration of digital SCM aligned with sustainability and resilience principles to face global disruptions. With the right approach, SCM digitalization can serve as a strategic foundation for building adaptive, efficient, and competitive supply chains in the Industry 4.0 era.
Measurement of Human Physical Work using Biomechanical Approach with RULA and REBA Methods in PT. Cemindo Gemilang Vidi Agung Fragastia Vidi Agung Fragastia; Alam Taufik Siregar
Industrial Engineering System and Management Journal Vol. 5 No. 2 (2024): Vol 5 No 2 Agustus 2024
Publisher : LPPM Universitas Potensi Utama

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This research aims to increase productivity and identify potential risks of musculoskeletal injuries to workers at PT. Cemindo Gemilang. The RULA (Rapid Upper Limb Assessment) and REBA (Rapid Entire Body Assessment) methods are used to analyze work posture and physical loads experienced by workers. The biomechanical approach is used as a framework for understanding the interactions between workers, tools, and the work environment. By measuring human physical work using the RULA and REBA methods, non-ergonomic work postures and the level of risk of musculoskeletal injuries associated with work activities in cement factories can be identified. The results of this research can provide recommendations for improving tool design, rearranging work spaces, and changing work procedures to reduce the risk of musculoskeletal injuries and increase worker productivity. By implementing the recommendations resulting from this research, it is hoped that PT. Cemindo Gemilang can achieve safer, more efficient and more productive working conditions.
Penilaian Postur Kerja Operator Pada UKM XYZ Dengan Metode Biomekanika Vidi Agung Fragastia; Muhammad Denil Ramadhan
Industrial Engineering System and Management Journal Vol. 3 No. 1 (2022): Vol 3 No 1 Februari 2022
Publisher : LPPM Universitas Potensi Utama

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Abstract

Penelitian ini bertujuan untuk mendapatkan nilai postur pekerja dan memberikan rekomendasi perbaikan sistem kerja dari proses persiapan, proses pengirisan dengan mesin, proses penggorengan dan pengemasan yang dilakukan operator pada UKM XYZ. Kegiatan tersebut masih menggunakan mesin tradisional dan peralatan sederhana sehingga operator melakukan aktivitas membungkuk yang cukup lama. Hal tersebut dapat menyebabkan keluhan musculoskeletal disorders (MSDs). UKM XYZ bergerak di bidang olahan makanan ringan berbahan dasar singkong atau ubi kayu. Penelitian dilakukan melalui beberapa tahapan, yaitu mendokumentasikan postur operator yang dilakukan saat bekerja, mengetahui skor, level risiko dan level tindakan dengan metode RULA, REBA, OWAS dan QEC serta memberikan rekomendasi solusi terhadap risiko ergonomi pada pekerja. Penelitian ini akan membandingkan metode-metode tersebut, dengan mengevaluasi input, proses (metodologi) dan outputnya. Hasil penilaian menunjukkan bahwa dari kelima elemen kerja, nilai paling beresiko terjadi MSDs pada pekerja terdapat di elemen kerja ketiga (menggoreng). Dari keempat metode menunjukkan hasil action level 3 pada elemen kerja ketiga. Dengan kata lain pemeriksaan harus segera dilakukan dan perubahan harus dilakukan secepatnya untuk menghindari gangguan pada sistem otot-rangka karena pembebanan yang terus-menerus.
Analysis of Manual Material Handling Operators at UKM XYZ Vidi Agung Fragastia; Rasyid Sunara Zaini
Industrial Engineering System and Management Journal Vol. 3 No. 2 (2022): Vol 3 No 2 Agustus 2022
Publisher : LPPM Universitas Potensi Utama

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Abstract

This study aims to analyze the posture value of manual material handling workers on operators at UKM XYZ. UKM XYZ is engaged in processed snacks made from cassava. One of the activities carried out by humans, especially in material handling (manual material handling) is carried out at workstations. These activities still use traditional machines and simple equipment so that the operator performs long bending activities. This can cause complaints of musculoskeletal disorders (MSDs). The work carried out by the operator is on the workers in the third work element (frying) and checking the heater. After conducting an interview with the operator at the work station, the operator felt a complaint of pain in the shoulder. If left unchecked, it will cause skeletal muscle injury. The purpose of this study was to determine and measure the operator's workload based on the calculation of RWL (Recommended Weight Limit). From the measurement results of the operators at the work station, it was found that this activity is a light activity based on the calculation of energy consumption and the actual lifting load is below the recommended load with a Lifting Index (LI) level <= 1, meaning that the weight of the lifted load does not exceed lifting limits and does not carry the risk of spinal cord injury.
IoT-Based Seaweed Cultivation Monitoring System with Data Transmission Protection Using JSON Web Token (JWT) on ESP32 Iwan Fitrianto Rahmad; Yudho Andika; Vidi Agung Fragastia; Elsa Aditya
CSRID (Computer Science Research and Its Development Journal) Vol. 18 No. 1 (2026): Februari 2026
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/csrid-.18.1.2026.18-31

Abstract

Security in the communication of IoT devices is a critical concern in seaweed cultivation monitoring systems, particularly when operating over open networks. This study presents the design and implementation of an IoT-based monitoring system for seaweed cultivation, incorporating data transmission protection on the ESP32 device through the use of JSON Web Token (JWT). The system monitors key parameters influencing seaweed growth—such as temperature, salinity, pH, and turbidity—and transmits this data to a server via HTTP/HTTPS protocols. JWT is employed for authentication and authorization, ensuring that only legitimate devices are permitted to send data to the server. The research methodology encompasses requirement analysis, system architecture design, hardware and software implementation, followed by functionality, security, and performance testing. Experimental results demonstrate that the proposed system successfully acquires sensor data and transmits it in real time to the server, while effectively rejecting unauthorized attempts lacking valid tokens. The application of JWT significantly enhances communication security with minimal impact on ESP32 performance. Overall, the proposed IoT-based Seaweed Cultivation Monitoring System with JWT protection provides an effective solution for safeguarding data integrity and authenticity in seaweed farming applications.
Pelatihan Smart Home Berbasis Internet of Things (IoT) dalam Meningkatkan Efisiensi Energi di SMK PAB 8 Sampali Iwan Fitrianto Rahmad; Khairul Ummi; Erwin Panggabean; Muhammad Taufiq Rustam; Vidi Agung Fragastia; Elsa Aditya; Ria Eka Sari
Publikasi Pengabdian Masyarakat Vol 6 No 1 (2026): PUBLIDIMAS Vol. 6 No. 1 MEI 2026
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.6.1.2026.19-28

Abstract

Perkembangan teknologi Internet of Things (IoT) telah membuka peluang strategis dalam penerapan sistem smart home guna mengoptimalkan efisiensi konsumsi energi listrik di sektor residensial. Namun, kompetensi siswa Sekolah Menengah Kejuruan (SMK) dalam bidang IoT dan manajemen energi masih perlu ditingkatkan agar selaras dengan tuntutan Industri 4.0 dan kebijakan transisi energi nasional. Kegiatan Pengabdian kepada Masyarakat melalui Program Kreativitas Mahasiswa (PKM) ini bertujuan meningkatkan pengetahuan konseptual dan keterampilan teknis siswa dalam merancang serta mengimplementasikan sistem smart home berbasis IoT untuk mendukung efisiensi energi. Kegiatan dilaksanakan pada 23 Mei 2026 di SMK PAB 8 Sampali dengan melibatkan sebanyak 19 siswa sebagai peserta. Metode yang diterapkan mencakup penyampaian materi teoritis, demonstrasi, praktik langsung (hands-on training), pendampingan teknis, serta evaluasi menggunakan instrumen pre-test, post-test, dan kuesioner kepuasan bersekala Likert. Hasil analisis kuantitatif menunjukkan peningkatan skor rata-rata peserta dari 50,0 pada pre-test menjadi 90,0 pada post-test (skala 0–100), yang merepresentasikan peningkatan pemahaman sebesar 40 poin persentase. Tingkat kepuasan peserta mencapai 90,5%, mengindikasikan relevansi dan efektivitas program terhadap kebutuhan pembelajaran vokasi. Disimpulkan bahwa pelatihan smart home berbasis IoT terbukti efektif dalam meningkatkan kompetensi digital, kesadaran konservasi energi, dan kesiapan siswa menghadapi transformasi teknologi industri, sehingga layak diadopsi sebagai model pembelajaran vokasi berkelanjutan.
Pelatihan Desain dan Produksi Produk Kreatif Berbasis 3D Printing Bagi UMKM di Bidang Manufakturing pada CV. Adi Makmur Metalindo Marwan Marwan; Ismail Ismail; Vidi Agung Fragastia; Khairunnisa Khairunnisa; Rini Oktari Batubara; Andri Falentino
Publikasi Pengabdian Masyarakat Vol 6 No 1 (2026): PUBLIDIMAS Vol. 6 No. 1 MEI 2026
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.6.1.2026.29-36

Abstract

Kegiatan ini bertujuan untuk meningkatkan kapasitas inovasi dan keterampilan teknis UMKM melalui pelatihan desain dan produksi produk kreatif berbasis teknologi 3D Printing. Mitra dalam kegiatan ini adalah CV. Adi Makmur Metalindo, yang bergerak di bidang manufakturing dan masih menggunakan metode konvensional dalam pengembangan produk. Permasalahan utama yang dihadapi meliputi rendahnya literasi teknologi digital, keterbatasan kemampuan desain produk, serta tingginya biaya pembuatan prototipe. Metode pelaksanaan kegiatan menggunakan pendekatan participatory training and mentoring, yang terdiri dari tahap persiapan, pelatihan, pendampingan, dan evaluasi. Materi yang diberikan mencakup pengenalan Additive Manufacturing, desain produk berbasis CAD, proses slicing, serta pengoperasian mesin 3D Printing. Hasil kegiatan menunjukkan adanya peningkatan pemahaman peserta. Selain itu, mitra berhasil menghasilkan beberapa prototipe produk kreatif yang memiliki nilai tambah dan potensi komersialisasi. Kegiatan ini juga meningkatkan efisiensi dalam proses pengembangan produk serta membuka peluang inovasi berbasis teknologi. Dengan demikian, penerapan teknologi 3D Printing terbukti efektif dalam meningkatkan daya saing UMKM di sektor manufaktur.
Optimalisasi Proses Kerja melalui Intervensi Ergonomi dan Rekayasa Material Handling: Studi Kasus Peningkatan Efisiensi dan Kenyamanan Pekerja di CV. Adi Makmur Metalindo Vidi Agung Fragastia; Yuli Setiawannie; Alan Akbar Bukhori; Khairul Albani
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 4 (2025): November 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i4.5727

Abstract

This community service activity was conducted at CV Adi Makmur Metalindo, a metal manufacturing company specializing in the production and assembly of palm oil machine components. The program aimed to address two main issues faced by the partner: the high time and cost of material handling, and the low levels of comfort and safety at work due to non-ergonomic working postures. The company’s production process is physically intensive and has yet to fully implement ergonomic principles in workplace design. The activity took place on April, 2025, in the form of a training and assistance session involving 12 participants. The method consisted of interactive lectures, discussions, hands-on simulations, and pre- and post-tests to assess participants' understanding. Results showed an increase in the average test scores from 54.2 to 82.5 (a 52% improvement), a 17.1% reduction in material handling time, and a decrease in REBA scores from 9.0 to 5.5, indicating a significant improvement in working posture. The application of basic ergonomic improvements such as layout adjustment and the use of assistive tools encouraged greater efficiency and workplace comfort. This program demonstrated that ergonomic education can be an effective and practical solution for medium-scale industries aiming to improve productivity and occupational safety.
Co-Authors Afilla, Muhammad Rizky Ahmad Ridwan Alam Taufik Siregar Alan Akbar Bukhori Albani, Khairul Alwansyah Putra Amri, Syahputra Andri Falentino Anggi BR Pasaribu Armansyah Putra, Armansyah Batubara, Rini Oktari Bukhori, Alan Akbar Dimas Aditya Doni, Rahmad Elsa Aditya Erwin Panggabean Galang Pramuja Ginting, Ria Ukur Herbin Efendi Hutabarat Ibnu Khafiz Nasution Irma Damai Yanti Ismail Ismail Iwan Fitrianto Rahmad Jaka Maulana Khairul Albani Khairul Ummi Khairunnisa Khairunnisa Lamhot Pasaribuf Marwan Marwan Muhammad Denil Ramadhan Muhammad Taufiq Rustam Nita Marikena Pasaribu, Filemon Agustinus Pasaribu, Jamil Rahmat Hidayat Rasyid Sunara Zaini Ria Eka Sari Rini Oktari Batubara Rizky Budi Pratama Siregar, Alam Taufik Suheri Efendi Syahputra Amri Wahyu Indra Susila Yudho Andika Yuli Setiawannie Zahro, Annisa