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All Journal Jurnal Ergonomi Indonesia (The Indonesian Journal of Ergonomic) Jurnal Rekayasa Sistem Industri SPEKTRUM INDUSTRI Jurnal Teknologi EKONOMIA KURVA S JURNAL MAHASISWA SAINTEK: Jurnal ilmiah Sains dan Teknologi Industri Logic : Jurnal Rancang Bangun dan Teknologi Jurnal Lentera Pendidikan Pusat Penelitian LPPM UM Metro Industri Inovatif : Jurnal Teknik Industri Jurnal Tekno ASAWIKA: Media Sosialisasi Abdimas Widya Karya Jurnal Rekayasa Industri (JRI) Jurnal Pengabdian kepada Masyarakat Bina Darma Logic : Jurnal Rancang Bangun Dan Teknologi Jurnal Keuangan dan Bisnis Physical Sciences, Life Science and Engineering Journal Of Economic Sciences (Ekuisci) Journal Of Engineering Sciences (Improsci)
Setiawan, Heri
Musi Charitas Catholic University
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Physics Public Health Social Sciences Other

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Redesign of Patient Wheelchair Type SM-8018 Based on Ergo-Total Function Deployment (ETFD) Integration Heri Setiawan; Muhammad Yusuf; Micheline Rinamuti; Dominikus Budiarto; Yohanes Dicka Pratama; Achmad Alfian
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 25 No. 3 (2025): November
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v25i3.175-185

Abstract

Manual wheelchairs remain widely used in Indonesian health-care facilities, yet their design often does not fully accommodate local anthropometric characteristics and work patterns. The SM-8018 patient wheelchair used at PT SPU is operated by caregivers, exposing both patients and caregivers to potential ergonomic risks. This study aims to evaluate and redesign the SM-8018 wheelchair using an integrated Ergo-Total Function Deployment (ETFD) and House of Ergonomics (HoE) approach within a Total Ergonomics framework. A pre–post experimental design was applied involving 32 adult users and caregivers with at least six months of experience using or pushing the SM-8018. Data collection included anthropometric measurements, musculoskeletal complaints using the Nordic Body Map (NBM), subjective fatigue using the Japan Association of Industrial Health (JAIH) questionnaire, boredom scores, satisfaction using the Minnesota Satisfaction Questionnaire (MSQ) and voice of customers (VoC). VoC and ergonomic findings were mapped into a HoE matrix to derive priority design specifications through ETFD. Results showed notable mismatches between user anthropometry and key wheelchair dimensions, particularly seat depth and width, backrest and headrest height and angle, and push-handle height, which were associated with high levels of discomfort in the lower back, buttocks, shoulders and upper arms and with considerable fatigue. The ETFD–HoE analysis identified four primary redesign priorities: adjustment of push-handle height, optimisation of backrest and headrest geometry, refinement of seat dimensions and improvement of front-wheel stability. Pre–post comparisons indicated that musculoskeletal complaints and fatigue remained relatively high and in some cases increased, whereas boredom and satisfaction tended to change in a more favourable direction. These findings suggest that the first iteration of the SM-8018 redesign, although guided by Total Ergonomics principles, requires further refinement and system-level support. Nonetheless, the study demonstrates the feasibility of integrating ETFD, HoE and Total Ergonomics to systematically guide the improvement of low-cost hospital wheelchairs in the Indonesian context.
Work System Improvement in the Production Process Station Area PT SMS Using Macro Ergonomics and Design (MEAD) to Increase Productivity Heri Setiawan; Sani Susanto; Micheline Rinamurti; Achmad Alfian; Yohanes Dicka Pratama; Dominikus Budiarto
Jurnal Improsci Vol 3 No 2 (2025): Vol 3 No 2 October 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i2.939

Abstract

Background. PT SMS produces bottled drinking water (amdk) in gallons and cups with Vit and Forme brands for gallon packaging and Airnes, Forma, and OK Oce brands in cup packaging. In identifying the problem at PT SMS, it was found that the work system is not well-designed and lacks ergonomics at several workstations, which has an impact on achieving less than optimal daily productivity. The output per work shift set by the company is 2,100 gallons and 3,150 boxes for cup packaging, but in fact, it can only produce approximately 2,050 gallons and 3,000 boxes. Aim. Analyze the factors that cause the work system to be less effective and less ergonomic. The formulation of work system factors encompasses physical work environment factors, equipment, infrastructure, machinery, workload factors, and organisational factors. Methods. The Macro Ergonomic Analysis and Design (MEAD) method is used to identify factors that affect the work system and then implement improvements and design changes based on the identified factors. Results. Physical work environment factors and organisational factors are problems within the work system at PT SMS, as the workspace designated for the production workflow lacks ergonomic support for employees' postures while working, and task management is inadequate. The machinery has not been crafted based on the anthropometric measurements of the workers. Oversight is absent for the work being done, and the standard time required for the production process has yet to be established. So that it increases productivity per work shift at PT. SMS is not optimal and experiences over time. Conclusions. Redesign of physical work environment facilities, scheduling of rest periods, and organisational factors through supervision from PT SMS resulted in output per shift meeting the standards set by the company.. Implication. The application of MEAD can identify factors that cause suboptimal productivity. Redesigning ergonomic physical work environment facilities, scheduling rest periods, and supervisory organisational factors within the company have an impact on optimising productivity, as measured by the output per shift set by the company
Assessing Waste Potential and Greenhouse Gas Emissions from Existing Waste Management Systems: A Case Study of Palembang City South Sumatera of Indonesia Heri Setiawan; Ferdinandus Bangun; Dominikus Budiarto; Yohanes Dicka Pratama
Jurnal Improsci Vol 3 No 3 (2025): Vol 3 No 3 December 2025
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i3.965

Abstract

Background, Palembang City South Sumatera of Indonesia faces serious waste challenges, generating about 983-1,200 tons daily, 35% plastic and under 10% recycled. Improper disposal drives methane emissions and climate impacts. This study explores low-cost waste-to-energy (WtE) strategies to cut emissions, support a circular economy, and empower communities through sustainable, participatory waste management. Aim, This study analyzes Palembang’s waste generation and GHG emissions to support sustainable and efficient waste management strategies. Methods, This study used mixed methods to assess Palembang’s waste management and emissions, conducted from July-October 2025, data from key stakeholders were analyzed using IPCC Tier 1 Guidelines to compare baseline and intervention scenarios for sustainable community solutions. Results, The analysis revealed that Palembang City South Sumatera of Indonesia generates approximately 1,000 tons of municipal solid waste per day, with organic waste (56%) and plastic waste (24%) as the dominant fractions. Current waste treatment processes, mainly open dumping and limited composting, result in an estimated carbon emission of 420-460 tons CO₂-eq per day. Scenario modeling indicated that implementing a low-cost waste-to-energy (WtE) system and community-based segregation programs could reduce emissions by up to 55%, while generating additional energy potential of 7-9 MWh per day. These findings demonstrate the significant potential of an integrated waste management approach to simultaneously mitigate greenhouse gas emissions and enhance energy recovery in Palembang. Conclusions, Palembang generates 983-1,200 tons of waste daily, mostly food (40.8%) and plastic (20.4%), with 60% sent to Sukawinatan and 40% to Kramasan landfills. Management still relies on open dumping, causing methane emissions of 2,352.9 tons (65,888.2 tons CO₂-eq) valued at about IDR 1.97 trillion. These results underscore the need for integrated, sustainable waste-to-energy (WtE) solutions. Implication, The study guides policymakers in developing low-cost, sustainable waste management through community-based waste-to-energy (WtE) initiatives that reduce emissions and support a circular, resilient city.
Ergonomic Integration in Community-Based Waste Management Systems: A Case Study of a Joyful Integrated Farming System Heri Setiawan; Sani Susanto
Jurnal Improsci Vol 3 No 5 (2026): Vol 3 No 5 April 2026
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i5.1128

Abstract

Background, Manual waste management remains prevalent in community-based systems, particularly in developing countries, where limited mechanization and informal work practices elevate ergonomic risks. Despite the growing adoption of circular economy principles, ergonomic integration within waste management, especially in integrated farming systems, remains underexplored. Aim: This study investigates the application of ergonomic principles in the Joyful Integrated Farming System (J-IFS), a community- based model integrating waste sorting, composting, and agricultural production. Methods: A before-and-after ergonomic intervention design was implemented, combining anthropometric analysis, Rapid Entire Body Assessment (REBA), Nordic Body Map (NBM), time-motion study, and productivity measurement. Ergonomic interventions included workstation redesign based on worker anthropometry, improved manual handling tools, task rotation, and optimized work-rest cycles Results: The results show a 38% reduction in ergonomic risk levels, a 42% decrease in musculoskeletal discomfort, and a 27% improvement in operational productivity. Conclusions: The findings demonstrate that ergonomic integration not only reduces occupational health risks but also enhances work efficiency and system reliability. Implication. This study contributes empirical evidence supporting ergonomics as a strategic enabler of sustainable, labor-intensive waste management systems and extends applied ergonomics into the domain of circular, community-based operations.
Design of a Digital Marketing Strategy to Improve SMEs Sales Performance Using the Marketing Mix and PDCA Cycle: A Case Study of Ayam Geprek Selaras Teofilus Bima Tara Adi Widodo; Heri Setiawan
Jurnal Improsci Vol 3 No 5 (2026): Vol 3 No 5 April 2026
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i5.1129

Abstract

Background, Small and medium enterprises (SMEs) in the culinary sector often experience unstable sales performance due to limited marketing reach and intense market competition. Ayam Geprek Selaras SME continued to rely on conventional marketing strategies, resulting in fluctuating revenue and limited business growth potential. Aim: This study aims to design and implement a structured digital marketing strategy to improve SME sales performance by integrating the Marketing Mix (4P) framework with the PDCA (Plan-Do-Check-Act) cycle as a continuous improvement approach. Methods: This research employed a descriptive, qualitative case-study approach. Data were collected through field observation, structured interviews with the business owner, and analysis of operational and sales records. The proposed strategy includes optimizing Google Maps visibility, activating social media marketing, implementing emotional pricing and product bundling strategies, improving environmentally friendly packaging, and integrating online food delivery platforms such as GoFood, GrabFood, and ShopeeFood. Results: The implementation of the digital marketing strategy significantly improved business performance. The average monthly revenue increased from IDR 25,225,000 to IDR 35,255,000, representing a growth rate of 39.76% with. The value increased to approximately 1.72 times the initial value Conclusions: The integration of the Marketing Mix framework with the PDCA cycle proved effective in improving SME sales performance through a systematic digital marketing strategy Implication. This study provides a practical framework for SMEs to adopt structured digital marketing strategies and continuous improvement approaches to enhance competitiveness and achieve sustainable business growth in the digital economy.
Production Scheduling Optimization Using The Campbell Dudek Smith (CDS) Method to Minimize Makespan in A Flow Shop Manufacturing System Venantius Almas Mario; Achmad Alfian; Heri Setiawan
Jurnal Improsci Vol 3 No 5 (2026): Vol 3 No 5 April 2026
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i5.1130

Abstract

Background: Production scheduling plays a crucial role in improving manufacturing system efficiency, particularly in flow shop environments where jobs must follow the same processing sequence across multiple machines. At CV. Sinar Surya, the production scheduling for lathe machines is still conducted manually based on operator experience, resulting in high machine idle time, low machine utilization, and prolonged makespan. This condition causes inefficiencies in production processes and delays in order completion. Therefore, an effective scheduling method is required to optimize the production sequence and improve operational efficiency. Aim: This study aims to optimize production scheduling in a flow shop manufacturing system by applying the Campbell-Dudek-Smith (CDS) method to minimize makespan and reduce lathe machine idle time. Methods: The research was conducted at CV. Sinar Surya Palembang uses a quantitative approach. Data were collected through direct observation, interviews with production staff, and company documentation. The collected data include processing time for each job, production sequences, machine working hours, and existing production schedules. The CDS heuristic method was applied by transforming the multi-machine flow shop problem into several two-machine subproblems, which were then solved using Johnson’s rule to determine the optimal job sequence. Results: The existing production schedule yielded a makespan of 163 minutes and a total machine idle time of 140 minutes. After applying the CDS method, the optimal job sequence obtained was J4 - J5 - J3 - J1 - J2, which reduced the makespan to 147 minutes and decreased total idle time to 95 minutes. This represents a 16-minute reduction in makespan (approximately 9.8%), indicating improved production efficiency. Conclusion: The implementation of the CDS method improves production scheduling efficiency in a flow shop manufacturing system by generating a more optimal job sequence, reducing makespan, and machine idle time. Implication: The findings suggest that the CDS method can be an effective scheduling approach for manufacturing companies using flow shop systems, particularly for improving machine utilization, reducing production delays, and supporting better production planning and decision-making.
Designing a Cost-Efficient Inventory System Using The Economic Order Quantity Model for Construction Materials Distributors Indah Sry Devi Sipayung; Heri Setiawan
Jurnal Improsci Vol 3 No 5 (2026): Vol 3 No 5 April 2026
Publisher : Ann Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62885/improsci.v3i5.1131

Abstract

Background: The construction materials distribution sector faces significant challenges in managing inventory due to fluctuating demand and the absence of systematic planning. Distributor Bintang Kerahiman, operating in Palembang and South Sumatra, currently relies on estimation-based inventory decisions, leading to frequent stockouts and overstocking. These inefficiencies lead to increased operational costs and lost sales opportunities, underscoring the need for a more structured, quantitative inventory control approach based on the Economic Order Quantity model. Aim: This study aims to design a cost-efficient inventory system by applying the Economic Order Quantity model and to compare its performance with the company's existing inventory method. Methods: A quantitative approach was employed using historical sales data from March to August 2025 across 30 selected products. Demand forecasting was conducted using the moving average method. Inventory parameters, including ordering cost, holding cost, safety stock, and reorder point (ROP), were calculated. The optimal order quantity was determined using the Economic Order Quantity formula, and total inventory costs were compared between the current method and the proposed model. Results: The implementation of the Economic Order Quantity model successfully reduces total inventory costs by optimizing order quantities and balancing ordering and holding costs. Across 30 products, the model demonstrated consistent cost savings and reduced inefficiencies. Additionally, profit improvements were observed due to decreased lost sales. For instance, profit for Afur BCP PVC Basket increased from IDR 990,000 to IDR 996,000, while Mold Cleaning Liquid increased from IDR 305,000 to IDR 330,000. Conclusions: The Economic Order Quantity model is more effective than the existing method in minimizing inventory costs, reducing stock imbalances, and improving service levels. The integration of safety stock and reorder point further enhances the system’s ability to handle demand variability. Implication. This study provides practical implications for construction material distributors by offering a data-driven inventory control framework. The findings support improved decision-making, cost efficiency, and customer satisfaction. Furthermore, the proposed system can be extended by integrating digital inventory applications and hybrid models for future research.
Analisis Beban Kerja Fisik Pada UMKM Kemplang “X” Menggunakan Metode CVL Heri Setiawan; Jonathan Oktavianus; Ceria Andini Saing; Ria Wulandari; Muhammad Athallah Ghibrandi; Gabriella Shany Tetalonika Galingging; Maria Tiara Maythree Poernomo
Physical Sciences, Life Science and Engineering Vol. 2 No. 2 (2025): March
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i2.426

Abstract

Penelitian ini bertujuan untuk menganalisis beban kerja fisik pada pekerja di UMKM Kemplang "X" menggunakan metode Cardiovascular Load (CVL). Metode ini digunakan untuk mengetahui tingkat pembebanan kerja berdasarkan respon denyut jantung pekerja selama beraktivitas. Data dikumpulkan melalui pengukuran denyut nadi saat kerja dan saat istirahat pada lima orang pekerja bagian produksi. Hasil analisis menunjukkan bahwa nilai %CVL pekerja berada dalam rentang 35,45% hingga 38,46%, dengan rata-rata sebesar 36,45%. Nilai tersebut termasuk dalam kategori pembebanan sedang, yang berarti kondisi kerja masih layak namun memerlukan perbaikan agar tidak menimbulkan kelelahan jangka panjang. Analisis lebih lanjut menggunakan diagram fishbone menunjukkan bahwa pembebanan kerja disebabkan oleh faktor manusia (istirahat tidak teratur), metode kerja (masih manual), mesin (alat tradisional), dan lingkungan (suhu tinggi). Berdasarkan hasil tersebut, diusulkan beberapa perbaikan seperti penjadwalan istirahat yang teratur, penggunaan alat bantu, penerapan teknologi tepat guna, serta perbaikan ventilasi ruangan. Diharapkan usulan ini dapat menciptakan lingkungan kerja yang lebih ergonomis dan mendukung produktivitas kerja yang optimal
Analisis Intensitas Cahaya Pada Area Produksi Terhadap Kenyamanan dan Efektivitas Kerja Sesuai Dengan Standar Pencahayaan Heri Setiawan; Crisantus Abel Cato Hutajulu; Vincensius Dika Ivanda; Wahyuni Tesy Anggara; Adrian Tanaka; Damian Bactiar Situmorang; Jovanda Tri Wardana
Physical Sciences, Life Science and Engineering Vol. 2 No. 3 (2025): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i3.428

Abstract

Penelitian ini bertujuan untuk menganalisis intensitas pencahayaan di area produksi PT. Kerupuk XYZ dan menilai kesesuaiannya dengan standar pencahayaan kerja berdasarkan SNI 16-7062-2023. Metode yang digunakan meliputi pengukuran langsung menggunakan lux meter digital serta observasi kondisi distribusi cahaya di delapan area kerja, seperti pengadonan, pencetakan, penggorengan, pengemasan, gudang, ruang istirahat, dan area penerimaan bahan baku. Pengukuran dilakukan saat kondisi kerja normal dan dibandingkan dengan standar yang berlaku. Hasil penelitian menunjukkan bahwa tiga area memiliki pencahayaan di bawah standar (pengadonan, penggorengan, dan gudang), satu area memiliki pencahayaan berlebih (ruang istirahat), dan empat area telah sesuai standar. Kesimpulan dari penelitian ini menegaskan pentingnya evaluasi dan perbaikan sistem pencahayaan untuk mendukung efektivitas kerja dan kenyamanan visual karyawan
Analisis Kenyamanan Ergonomis Penggunaan Hydropad untuk Mengurangi Masalah Musculoskeletal pada Pengemudi Ojek Online Heri Setiawan; Callysta Aurelia; Thomas Prasetyo; Ferdianto Mandola; Shella Mobry; Wahyu Hidayat
Physical Sciences, Life Science and Engineering Vol. 2 No. 3 (2025): June
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/pslse.v2i3.430

Abstract

Pekerjaan sebagai pengemudi ojek online di Indonesia sering menimbulkan keluhan musculoskeletal akibat duduk dalam waktu lama tanpa dukungan postur tubuh yang baik. Penelitian ini bertujuan untuk menganalisis efektivitas penggunaan hydropad sebagai alat bantu duduk ergonomis dalam mengurangi keluhan fisik dan meningkatkan kenyamanan pengemudi. Metode yang digunakan adalah quasi-experimental dengan desain pre-test dan post-test tanpa kelompok kontrol. Tiga pengemudi ojek online dipilih sebagai responden menggunakan teknik purposive sampling. Instrumen penelitian meliputi kuesioner Nordic Body Map (NBM) dan skala kenyamanan berbasis Likert. Intervensi berlangsung selama 14 hari, dan data dianalisis menggunakan paired t-test. Hasil penelitian menunjukkan penurunan skor keluhan musculoskeletal dari rentang 7–9 menjadi 3–5, serta peningkatan skor kenyamanan dari 2–3 menjadi 4–5. Hydropad terbukti efektif dalam mendistribusikan tekanan tubuh secara merata, meredam getaran, dan meningkatkan postur duduk. Kesimpulannya, hydropad berpotensi menjadi solusi ergonomis yang mendukung kesejahteraan kerja pengemudi ojek online.
Co-Authors Achmad Alfian Achmad Alfian Achmad Alfian Achmad Husaini Adhitya Cahyadi Adrian Tanaka Antonius Hari Pratama Callysta Aurelia Ceria Andini Saing Christofora Desi Kusmindari Crisantus Abel Cato Hutajulu Damian Bactiar Situmorang Dominikus Budiarto Dominikus Budiarto, Dominikus Felicia Felicia Felicia Felicia Ferdianto Mandola Ferdinandus Bangun Fransiskus Mario Gabriella Shany Tetalonika Galingging Indah Sry Devi Sipayung Jonathan Oktavianus Jovanda Tri Wardana Maria Septi Anggraini Maria Tiara Maythree Poernomo Mario, Fransiskus Micheline Rinamurti Micheline Rinamurti Micheline Rinamuti Micheline Rinamuti Michelle Augustine Ming Chen Morlina Sitanggang Muhammad Athallah Ghibrandi MUHAMMAD YUSUF Muhammad Yusuf Pratama, Yohanes Dicka Ria Wulandari Rinamurti Rinamurti Sani Susanto Sani Susanto Shella Mobry Supriyadi Supriyadi Teofilus Bima Tara Adi Widodo Thomas Prasetyo Venantius Almas Mario Vincensius Dika Ivanda Wahyu Hidayat Wahyuni Tesy Anggara Yohanes Dicka Pratama Yohanes Dicka Pratama