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INDONESIA
IJIES (International Journal of Innovation in Enterprise System)
Published by Universitas Telkom
ISSN : -     EISSN : 25803050     DOI : https://doi.org/10.25124/
Core Subject : Engineering,
Control & Systems Engineering Engineering
International Journal of Innovation in Enterprise Systems (IJIES) is a peer-reviewed international journal which publishes original articles of significant value in all areas of innovation in Enterprise Systems. The journal covers research articles, research-in-brief, and review articles comprising all discipline related to Enterprise Systems, particularly Information Systems & Technology, and the relevant multidisciplinary domain such as Industrial Engineering and Management. The journal welcomes relevant publishable articles including technical innovation, practical IS adoption, management innovation, etc, which is considered as high valued work in this area.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 5 Documents
 1 
Musculoskeletal Complaints among Itinerant Tailors in Lenteng Agung, Jakarta Naufal Arya Putra Nurjaman; Yosua Novalesi; Yannes Martinus Pasaribu; Etika Vidyarini
IJIES (International Journal of Innovation in Enterprise System) Vol 9 No 2 (2025): International Journal of Innovation in Enterprise System - Article in Press
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v9i02.8988

Abstract

Itinerant tailors in urban Indonesia often work in prolonged static postures within mobile workstations lacking ergonomic support. This study examines the prevalence of musculoskeletal complaints and postural risks among 30 male itinerant tailors in Lenteng Agung, South Jakarta. Using a mixed-method approach, quantitative data were collected through the Nordic Body Map (NBM) and Rapid Entire Body Assessment (REBA), while qualitative insights were obtained via semi-structured interviews. Results showed that 100% of participants fell into high or very high ergonomic risk categories, with prevalent discomfort in the buttocks, lower back, and hips. No statistically significant correlation was found between age or work duration and complaint severity, indicating that workstation design plays a more critical role. Interview findings revealed self-adapted seating modifications and a strong demand for portable ergonomic improvements. The study highlights the urgent need for anthropometrically informed seating solutions compatible with mobile informal labor settings. These findings inform context-sensitive design strategies that prioritize adjustability, user comfort, and occupational health in underserved worker populations.
Improvement of Public Kitchen Layout through the Application of Design Thinking Method and Work Concept Elty Sarvia; Novi Soesilo; Yosafat Aji Pranata; Ary Dharmawan; Kevin Tjahyadi
IJIES (International Journal of Innovation in Enterprise System) Vol 9 No 2 (2025): International Journal of Innovation in Enterprise System - Article in Press
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v9i02.9057

Abstract

This study aims to improve the efficiency and functionality of the public kitchen layout in ST Village by integrating the design thinking method with the work triangle concept. Design thinking was applied to explore user needs and guide solution development through a user-centered, iterative process. The work triangle concept was used to assess movement efficiency across three primary kitchen zones: storage, washing and preparation, and cooking and serving. User needs were identified through interviews and observations, which led to the creation of two layout alternatives. The work triangle analysis evaluated movement efficiency across these zones. A concept scoring method assessed the alternatives based on space efficiency, ease of movement, occupational safety and health, and process flow. Alternative 1 emerged as the optimal design, scoring 5, compared to 7 for Alternative 2, with a reduced work triangle perimeter of 540.98 cm. The design improved accessibility, posture, and task coordination while minimizing unnecessary movements. Additional improvements included optimized lighting, achieving 500 lux with two 36-watt luminaires, and better ventilation. User feedback confirmed increased comfort, safety, and efficiency. This study demonstrates how user-centered design and ergonomic principles can optimize shared kitchen spaces in rural communities, addressing gaps in research on private or commercial kitchens.
Participatory Ergonomics for OHS System Design Using Job Safety Analysis and Risk Score Hengky; Ilma Mufidah
IJIES (International Journal of Innovation in Enterprise System) Vol 9 No 2 (2025): International Journal of Innovation in Enterprise System - Article in Press
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v9i02.9568

Abstract

PT. XYZ faces challenges with its Occupational Health and Safety (OHS) system, which is overly generic, lacks detailed risk analysis for high-risk jobs, and suffers from minimal worker involvement, leading to irrelevant control strategies. This study aims to design an effective and adaptive OHS system by integrating Participatory Ergonomics, Job Safety Analysis (JSA), and Risk Score techniques through a Participatory Action Research (PAR) design involving 50 technicians and supervisors. The results indicate a highly receptive environment for change, evidenced by high perceptions of Managerial Support (4.44) and Self-Involvement (4.11), alongside a low perception of added Workload (1.38). The collaborative JSA and Risk Score analysis successfully identified four primary high-risk jobs (high-voltage cable jointing, new distribution pole installation, switchgear maintenance, and protection equipment testing), pinpointing critical hazards such as electric shock and falls from height. Based on these findings, a structured OHS improvement program was formulated, featuring practical recommendations like semi-annual JSA updates, mandatory worker involvement in JSA reviews, and weekly safety talks. The study concludes that this integrated, participatory method is crucial for creating an effective and sustainable OHS system, as it enhances the accuracy of hazard identification and fosters a proactive safety culture owned by the entire organization.
Applying EOQ with Sustainability Metrics in Vaccine Packaging Management Hadi Susanto; Winarno; Alexandra Elizabeth Callistha; Shakira Dwi Purwandari; Naila Davina Aurelia
IJIES (International Journal of Innovation in Enterprise System) Vol 9 No 2 (2025): International Journal of Innovation in Enterprise System - Article in Press
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v9i02.9739

Abstract

Sustainable supply chain management (SSCM) is crucial in vaccine distribution, where poor packaging inventory control lead to excessive waste and carbon emissions. This study applies the classical Economic Order Quantity (EOQ) model to optimize vaccine packaging inventory and evaluates its outcomes using sustainability indicators (packaging waste, emergency shipments, and CO2e). A case study at a major Indonesian vaccine manufacturer shows how EOQ-based planning, followed by sustainability impact assessment, improves operational efficiency while reducing environmental burdens. Rather than embedding environmental variables inside the EOQ formula, sustainability is operationalized as a downstream impact-assessment layer that quantifies the consequences of EOQ decisions. Using historical operational data and standard emission factors, results indicate an estimated ~50% reduction in packaging surplus and ~15% reduction in cold-chain emissions annually when compared with prior practices. These findings position EOQ as a practical decision-support tool that aligns inventory control with SSCM goals in cold-chain logistics.
Design of an Electrocardiogram System for Physical Fitness Analysis using Heart Rate Variability and Maximal Oxygen Volume Jana Utama; Yeffry Handoko; Candra Saefulloh
IJIES (International Journal of Innovation in Enterprise System) Vol 9 No 2 (2025): International Journal of Innovation in Enterprise System - Article in Press
Publisher : Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/ijies.v9i02.9790

Abstract

This study proposes a novel, low-cost, and portable real-time ECG monitoring system integrating the AD8232 sensor and Arduino Nano for comprehensive heart rate variability (HRV) assessment. Unlike conventional ECG devices, the proposed system combines affordable hardware with an embedded processing algorithm capable of directly calculating key time-domain HRV parameters—RMSSD, SDNN, NN50, pNN50, and VO₂Max—without the need for high-end laboratory equipment. The primary objective is to develop and validate a system that can accurately capture physiological responses during both resting and active conditions, enabling fitness assessment and potential early cardiovascular risk detection in field applications. The system was tested on five healthy subjects aged 20–22 years, demonstrating stable operation for over 40 minutes. Results showed that the average heart rate (HR) increased by 6.56% ± 4.8% from rest to activity, with the largest increase in Subject 1 (+12.09%) and the smallest in Subject 3 (+0.93%). Resting RMSSD values ranged from 75.36 to 99.76 ms, decreasing on average by 6.21% ± 4.7% during activity. SDNN values ranged from 62.18–131.88 ms, with Subject 2 showing an increase (122.33→129.06 ms) and Subject 5 a significant decrease (131.88→88.48 ms). NN50 at rest reached a maximum of 124 counts (pNN50=77.78%) and a minimum of 23 counts (pNN50=27%), with an average pNN50 reduction of −18.42% ± 21.5% during activity; the largest drop occurred in Subject 5 (−54.64%), while Subject 1 increased (+26.07%). VO₂Max ranged from 29.98 ml/kg/min (poor) to 39.90 ml/kg/min (excellent), correlating with HRV trends. These findings confirm that the system can quantitatively differentiate autonomic responses between individuals, highlighting its potential for real-time, on-site physiological monitoring, fitness evaluation, and early detection of abnormal cardiovascular patterns.

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