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All Journal Jurnal Teknik Industri Teknika: Jurnal Sains dan Teknologi Journal Industrial Servicess Jurnal Teknik Industri Untirta Jurnal Ilmiah Teknik Industri Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Communications in Science and Technology PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Logistic and Operation Management Research Journal of Systems Engineering and Management
Muhammad Adha Ilhami
Universitas Sultan Ageng Tirtayasa
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation

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Bibliometric analysis of lean and green healthcare integration using Publish or Perish (PoP) Febianti, Evi; Ilhami, M. Adha; Ekawati, Ratna; Setiawan, Hadi
Journal Industrial Servicess Vol 10, No 1 (2024): April 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v10i1.24476

Abstract

Lean Healthcare is an approach to management systems that can change the mindset of hospitals, making healthcare more organized by reducing waste. Waste can be defined as any activity that does not add value to a process. The study recommends a bibliometric analysis of this problem. This is necessary to identify research trends or gaps that still exist. Data searches use Publish or Perish software, while data analysis uses VOSviewer software. The search results and data analysis suggest that trends for Lean Healthcare problems will likely be resolved by integration with green practices. The final process can be carried out considering environmental sustainability factors.
Application of the Nawaz-Enscore-Ham (NEH) algorithm for flow shop scheduling in a timber factory Muharni, Yusraini; Saeful Muttaqien, Ade Irman; Lazuardi, Hilal; Herlina, Lely; Febianti, Evi; Ilhami, Muhammad Adha; Ulfah, Maria; Hartono, Hartono
Journal Industrial Servicess Vol 10, No 1 (2024): April 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v10i1.24503

Abstract

Scheduling is essential in production systems as it manages resource allocation and ensures precise and timely operations. A timber firm produces wooden hammocks and pallets to meet the demand for wooden pallets in the domestic market using a flow shop type production flow and the First Come First Served (FCFS) method. In December 2022, there was excess capacity due to a decrease in demand. Conversely, the company experienced a shortage of capacity in January due to a significant increase in demand for pallets from several companies. This situation resulted in idle time when switching to the next task, indicating that production capability was not being utilized to its full potential. The aim of this research is to provide production scheduling proposals to minimize makespan by applying the Nawaz-Enscore-Ham (NEH) method and the Integer Linear Programming (ILP) method. The proposed production scheduling with a lower makespan has been successfully obtained in this study.
Mathematical model for university online exam scheduling considering lecturer preferences Febianti, Evi; Ilhami, Muhammad Adha; Hidayat, Arif
Journal Industrial Servicess Vol 10, No 2 (2024): October 2024
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/jiss.v10i2.28571

Abstract

Zoom accounts are used as an alternative for online teaching and learning activities during the pandemic. The Industrial Engineering Study Program at Sultan Ageng Tirtayasa has been scheduling online exams and determining the number of Zoom accounts needed manually, which has resulted in an insufficient number of Zoom accounts to meet all course schedules. Proper online exam scheduling can optimize the number of Zoom accounts required. This study aims to determine the number of Zoom accounts needed for online exams by developing a mathematical model. The model developed is an Integer Linear Programming (ILP) model, with the objective of minimizing the number of Zoom accounts required. The problem is solved using an optimization approach with deterministic parameters. The model provides recommendations for decision-making in the implementation of online exams, including determining the exam timetable and the number of Zoom accounts to be rented. The computational results show that the developed model provides an optimal solution, requiring only three Zoom accounts.
Modeling Fresh Product Delivery Routes with Heterogeneous Vehicle Routing Problem with Time Windows and Multi-Trips Model: A Case Study Asbowo, Heri; Sirajuddin, Sirajuddin; Ilhami, Muhammad Adha
Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Vol. 27 No. 2 (2025): December 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jti.27.2.189-200

Abstract

This study develops a Heterogeneous Vehicle Routing Problem with Time Windows and Multi-Trips (HVRPTWMT) model designed to minimize delivery distances for fresh products. The model addresses complex operational constraints inherent in real-world logistics, including time windows, heterogeneous fleets, and multi-trip requirements. A quantitative approach was employed to formulate the HVRPTWMT model, which was then solved using an analytical method to ensure a global optimum solution was found. The model's efficacy was demonstrated through its application to historical data from April 10, 2025, yielding an optimal total distance of 774.45 km across six efficient routes. Sensitivity analysis confirmed the model's robustness and responsiveness to critical parameter changes, such as vehicle capacity, demand fluctuations, and time limits. The developed HVRPTWMT model provides a globally optimal and rule-compliant solution for complex fresh product delivery logistics.
A Bibliometric Review of Sustainable Facility Layout Research: Trends, Optimization Approaches, and Future Directions Lely Herlina; Muhammad Adha Ilhami; Yusraini Muharni; Evi Febianti; Ade Irman Saeful Mutaqin; Kulsum Kulsum; Anting Wulandari
Journal of Systems Engineering and Management Vol 5, No 1 (2026)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/joseam.v5i1.40156

Abstract

Facility layout design has become increasingly connected with sustainability-oriented manufacturing because layout decisions influence material handling, energy efficiency, environmental impact, and human factors. This study conducts a bibliometric analysis and systematic literature review to map the development of Sustainable Facility Layout research. Publications were retrieved from Scopus using the keywords “Sustainable Facility Layout,” “Sustainable Layout,” and “Sustainable Systematic Layout.” From 24 initial records, 14 relevant articles were selected and analyzed using VOSviewer version 1.6.20 with the Association Strength normalization method. The keyword co-occurrence analysis identified 205 keywords, which were filtered into 16 relevant keywords and five thematic clusters. The results show that current research is dominated by energy efficiency, environmental impact, sustainability, and layout optimization, while machine learning, Genetic Algorithm, and multi-objective optimization are emerging as intelligent optimization approaches. The findings also indicate that economic and social effects remain less explored than environmental and operational dimensions. This review contributes by presenting an integrated taxonomy of Sustainable Facility Layout studies and identifying future research directions related to AI-driven optimization, digital twin-based layout systems, carbon-aware facility planning, and human-centric sustainable manufacturing.
The Effect of Epoxy Resin on the Compressive Strength of Short Laminated Bamboo Columns Zulmahdi Darwis; Achmad Basuki; Muhammad Yani Bhayusukma; S A Kristiawan; Javil Egi Pratama Abdurahman; Muhammad Adha Ilhami
Logistic and Operation Management Research (LOMR) Vol. 4 No. 1 (2025): Logistic and Operation Management Research (LOMR)
Publisher : Research Synergy Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31098/lomr.v4i1.3179

Abstract

The ongoing depletion of global timber resources has increasingly directed attention toward bamboo as a viable and sustainable structural alternative. This study investigated the influence of epoxy resin coatings on the compressive performance of short laminated bamboo columns. Three treatment conditions were evaluated: untreated (control), epoxy resin-coated, and externally reinforced with steel plates. The test specimens, manufactured using Dendrocalamus asper, were subjected to axial compression by SNI 03-3959:1995. Before testing, the physical and mechanical properties of both bamboo and steel reinforcement materials were characterized. Experimental results indicated that epoxy coating enhanced the average compressive strength by 2.54%, whereas steel plate reinforcement yielded a more substantial increase of 9.94% relative to the control group. One-way ANOVA analysis confirmed that only the steel-reinforced group demonstrated a statistically significant improvement in compressive capacity (p < 0.05). The observed failure modes revealed that the untreated and epoxy-coated specimens were prone to surface cracking and adhesive delamination, whereas the steel-reinforced columns exhibited a more localized damage with reduced deformation. It was concluded that although epoxy resin provided a modest enhancement, applying steel reinforcement significantly improved the axial load-bearing capacity of laminated bamboo columns. These findings underscore the structural potential of hybrid bamboo composites for sustainable construction applications.
Pemberdayaan Masyarakat Lokal melalui Produksi dan Inovasi Gipang untuk Memperkuat Perekonomian Daerah: Empowering Local Communities through Gipang Production and Innovation to Strengthen the Regional Economy Ratna Ekawati; Shanti Kirana Anggraeni; Muhammad Adha Ilhami; Tamara Arip Hidayah; Findi Choerun Annisa
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 11 No. 5 (2026): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v11i5.10962

Abstract

Cilegon City, widely recognized as an industrial hub, faces challenges in promoting more inclusive local economic growth, making the development of micro, small, and medium enterprises (MSMEs) based on traditional products increasingly important. One of the local potentials is gipang, a traditional snack made from glutinous rice or cassava, which carries both cultural value and economic opportunities. This study aims to design and implement a community empowerment model through gipang product innovation to enhance MSME production capacity, quality, and competitiveness. The research method involved identifying key problems, collecting primary data through surveys and interviews, conducting both qualitative and quantitative analyses, and designing an empowerment model that included hygienic production training, product diversification, modern packaging design, digital marketing, and limited-scale pilot testing. The findings reveal a positive trend: production increased from 1,200 kg in 2020 to 2,600 kg in 2024, while sales rose from IDR 180 million to IDR 440 million. MSMEs involved in the intervention recorded a 20–30% increase in turnover within the first six months and began creating new employment opportunities. These results demonstrate that gipang-based empowerment not only raises household income and community skills but also strengthens Cilegon’s cultural identity. Therefore, developing gipang MSMEs can serve as a relevant strategy for economic diversification amid the dominance of heavy industry, and is recommended to be sustained through institutional strengthening, continuous innovation, digitalization, and integration with the tourism sector.
Co-Authors Achmad Basuki Ade Irman Ade Irman S. Mutaqin Ade Irman Saeful Mutaqin Ade Sri Mariawati Adrian Rizki Pratama Anggraeni, Shanti Kirana Anting Wulandari Arina, Faula Asbowo, Heri Asep Ridwan Ayunda Prasetyaningtyas Bobby Kurniawan Darwis, Zulmahdi Dian Friana Hidayat Dina Octanatry Dwi Desta Riyani Esa Surya Cintami Eva Marella Sihite Evi Febianti Evi Febianti Evi Febianti Evi Febianti Evi Febianti Fara Dewi Anggraini Fauzan Isnan Rosep Febianti, Evi Febianti, Evi Fellek Getu Tadesse Findi Choerun Annisa Fitri Trapsilawati Friskayani, I Gusti Ayu Gilang Ferdiansah Herlina, Lely Hidayat, Arif Horas Naek.S.M.S Ibnu Sina Syahdani Intan Emeralda Irfan Hadi Permana Irfan Hadi Permana Irfan Muhammad Javil Egi Pratama Abdurahman Jayawarsa, A.A. Ketut K Kulsum Kiki Dwi Safitri kulsum kulsum Kulsum Kulsum Lazuardi, Hilal Lely Herlina Lely Herlina Masrurah, Nur Aini Mega Fatimah Rosana Melwita Delfi Anggraeni Mochamad Saefullah Muhammad Yani Bhayusukma Muharni, Yusraini Niken Empina Putri Nur Andriyani Nuraida Wahyuni Nurfitriana Sandini Nurul Ummi Ratna Ekawati Rosalina Sari Saeful Muttaqien, Ade Irman Setiawan, Hadi Shanti Kirana Anggraeni Sirajuddin Sirajuddin Stefanus Adi Kristiawan Tamara Arip Hidayah Tb. Muhamad Arif Aliudin Ulfah, Maria ulfah, Maria Vickri Fiesta Daelima Wibowo, Budhi Yulinda Uswatun Kasanah Yusraini Muharni