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Fragastia, Vidi Agung
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Penerapan Prinsip Ergonomi Untuk Meningkatkan Produktivitas di SMK PAB 8 Sampali Fragastia, Vidi Agung; Siregar, Alam Taufik
Publikasi Pengabdian Masyarakat Vol 3 No 2 (2023): PUBLIDIMAS Vol. 3 No. 2 NOVEMBER 2023
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.v3i2.274

Abstract

This community service aims to apply ergonomic principles to increase productivity at PAB 8 Sampali Vocational High School (SMK). Ergonomics is the main focus because of its vital role in creating a comfortable and efficient work environment. This service approach uses participatory methods involving teaching staff, students and other related parties. Various activities were carried out, ranging from evaluating the condition of classrooms and furniture to providing education on ergonomic work patterns. The results of the service show increased awareness of the importance of ergonomics in the school environment as well as the implementation of practices that improve working conditions. It is hoped that this service will not only provide direct benefits for SMK PAB 8 Sampali, but will also become an example for other educational institutions in increasing productivity through the application of ergonomic principles. Through strong collaboration between teachers, students and related parties, it is hoped that this service can have a sustainable impact in improving welfare and achievement in the school environment.
Penggunaan IoT untuk Meningkatkan Kualitas Smart Home Pada Era Industri 4.0 Rahmad, Iwan Fitrianto; Fragastia, Vidi Agung; Doni, Rahmad; Ginting, Ria Ukur; Pasaribu, Jamil
Publikasi Pengabdian Masyarakat Vol 4 No 2 (2024): PUBLIDIMAS Vol. 4 No. 2 NOVEMBER 2024
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/publidimas.v4i2.407

Abstract

Internet of Things (IoT) is a technology with great potential to enhance the quality of life through inter-device connectivity. One of the rapidly growing implementations of IoT is the smart home, aimed at creating more efficient, secure, and comfortable living spaces. This community service initiative seeks to improve public understanding and skills related to the application of IoT in smart homes. The training involves students, lecturers, and community members interested in smart home technology. Using a combined approach of theory and practice, participants are trained to design and implement IoT-based solutions, not only for household needs but also for other sectors, such as industry and agriculture. The training equips participants not only with fundamental knowledge about IoT but also with practical skills in using various IoT platforms such as Arduino and Arduino Cloud. Participants are also introduced to various IoT components, including sensors, actuators, and microcontrollers used in smart home systems. By the end of the training, participants are expected to apply IoT technology in their daily lives and develop innovative solutions to create more efficient and secure smart homes. Additionally, the training aims to increase awareness and technological literacy among the community while fostering creativity and the ability to develop IoT applications that can provide long-term benefits for daily life and industrial sectors.
Application of Ergonomic Principles in Production Area Layout Design to Improve Work Efficiency at CV. Adi Makmur Metalindo Fragastia, Vidi Agung; Bukhori, Alan Akbar; Albani, Khairul
Publikasi Pengabdian Masyarakat Vol 5 No 1 (2025): PUBLIDIMAS Vol. 5 No. 1 MEI 2025
Publisher : LPPM Universitas Potensi Utama

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Abstract

CV. Adi Makmur Metalindo is a metal manufacturing company with physically intensive work activities in its production area. Based on initial observations, the layout of the production area has not fully applied ergonomic principles, resulting in inefficient workflow and health complaints among workers. This program aims to analyze the existing layout conditions, redesign the production area based on ergonomic principles, and measure the impact of these changes on work efficiency and comfort. The implementation method includes field observations, measurement of distances and time between work activities, posture analysis using the REBA method, and layout redesign using the Systematic Layout Planning (SLP) approach. As part of the impact evaluation, pre-test and post-test questionnaires were distributed to 10 workers to assess their perceptions before and after the proposed improvements. The analysis results show that the new layout design successfully reduced travel distance and process time, as well as improved the placement of work tools that were previously inefficient. The questionnaire results revealed a significant increase in workers’ perceptions of workflow efficiency, posture comfort, and satisfaction with the layout—showing an average score increase of 1.4 to 1.7 points. In addition, the program also raised awareness among workers about the importance of ergonomics in the workplace. In conclusion, the application of ergonomic principles in the reorganization of the production layout had a positive impact on both work efficiency and comfort. This program can serve as an applicable model of ergonomic implementation that benefits other small and medium-sized industries in creating a more productive and sustainable work environment.
Design of Fresh Vegetable Quality Monitoring System Based on the Internet of Things (IoT) Amri, Syahputra; Bukhori, Alan Akbar; Zahro, Annisa; Pasaribu, Filemon Agustinus; Fragastia, Vidi Agung
CSRID (Computer Science Research and Its Development Journal) Vol. 16 No. 3 (2024): October 2024
Publisher : LPPM Universitas Potensi Utama

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Abstract

In the fresh vegetable distribution industry, maintaining product quality during transportation is a significant challenge, especially since vegetables are vulnerable to changes in temperature, humidity, and vibrations. This research developed an Internet of Things (IoT)-based vegetable quality monitoring system that utilizes sensors to measure temperature, humidity, vibrations, and GPS location during the distribution process. The system was designed using the Software Development Life Cycle (SDLC) method, which includes stages of analysis, design, development, testing, and maintenance. The monitoring tools consist of the GPS Neo 6m sensor, temperature and humidity sensor (DHT11), vibration sensor (SW-420), as well as the Node MCU ESP32 microcontroller and GSM SIM800L V2 modem. Data was collected during the distribution from Berastagi, Karo Regency, to Pusat Pasar Medan. The monitoring results showed a lowest temperature of 23.6°C and a highest humidity of 93% RH, which are within the safe range. The detected vibration was 94.22%, indicating a low vibration level, which did not cause mechanical damage to the vegetables. Therefore, this monitoring system is effective in maintaining vegetable quality during distribution, and the data obtained validates that transportation conditions did not negatively impact the horticultural products.
Development of a Geographic Information System–Based Palm Tree Census Tool for Oil Palm Plantations (Case Study: Langkat Regency) Fragastia, Vidi Agung; Batubara, Rini Oktari; Putra, Armansyah; Afilla, Muhammad Rizky
CSRID (Computer Science Research and Its Development Journal) Vol. 16 No. 3 (2024): October 2024
Publisher : LPPM Universitas Potensi Utama

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Abstract

Oil palm plantations require accurate and timely plant census data to support effective management decisions related to productivity, replanting, and maintenance activities. However, conventional manual census methods are constrained by long processing times, inconsistent data quality, and high susceptibility to human error. These limitations hinder the early identification of abnormal or missing palms and delay operational planning. To address these challenges, this study developed an integrated digital census system using a Web-based Geographic Information System (WebGIS), GPS-enabled Android mobile applications, and drone-based photogrammetry. The research employed the Waterfall Software Development Life Cycle (SDLC), consisting of requirement analysis, system design, implementation, testing, and maintenance. Spatial and non-spatial data were collected through field observations, interviews, GPS coordinates, and UAV imagery. The system was developed using PHP, MySQL, and GIS-based visualization tools, while mobile components utilized GPS navigation to guide field staff in locating abnormal trees. Analysis of census data revealed that 799 out of 47,404 trees (1.68%) were classified as abnormal or missing, a population loss that can significantly reduce potential yield. The GIS-based system demonstrated substantial efficiency improvements, reducing census duration from 7–8 months to 1–2 months in Observation Area 1 and from 4–5 months to 1 month in Observation Area 2. Drone photogrammetry enabled more accurate detection of canopy gaps and validated field measurements. System testing showed that all functional modules performed correctly, and User Acceptance Testing yielded a Cronbach’s Alpha value of 0.821, indicating strong user acceptance and instrument reliability. Overall, the integrated system enhances data accuracy, accelerates census operations, and supports site-specific management in alignment with precision agriculture principles. The results highlight the system’s potential to significantly improve operational efficiency and sustainability in oil palm plantation management.
Co-Authors Afilla, Muhammad Rizky Albani, Khairul Amri, Syahputra Armansyah Putra, Armansyah Batubara, Rini Oktari Bukhori, Alan Akbar Doni, Rahmad Ginting, Ria Ukur Iwan Fitrianto Rahmad Pasaribu, Filemon Agustinus Pasaribu, Jamil Siregar, Alam Taufik Zahro, Annisa