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All Journal Jurnal Teknik Industri KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan TEKMAPRO Journal of Industrial Engineering and Management JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) REKAYASA Sistemasi: Jurnal Sistem Informasi Journal of Industrial Engineering Management EKONOMIS : Journal of Economics and Business STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Matrik : Jurnal Manajemen dan Teknik Industri Produksi Jurnal Teknik Industri Terintegrasi (JUTIN) Academia Open Nusantara Science and Technology Proceedings Indonesian Journal of Industrial Engineering & Management Juminten : Jurnal Manajemen Industri dan Teknologi Journal La Lifesci Journal La Multiapp Indonesian Journal of Innovation Studies JAMBURA: JURNAL ILMIAH MANAJEMEN DAN BISNIS Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Kendali Teknik dan Sains IIJSE Journal Serambi Engineering (JSE)
Rr. Rochmoeljati
Department Of Industrial Engineering, Faculty Of Engineering And Sains, Universitas Pembangunan Nasional Veteran Jawa Timur, Surabaya 60294, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Other

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STRATEGI PENINGKATAN EFEKTIFITAS KINERJA MANAJEMEN SDM DENGAN PENDEKATAN SWOT DAN AHP DI PT XYZ Pramudya, Kaka Arya; Rochmoeljati, Rr.
JAMBURA: Jurnal Ilmiah Manajemen dan Bisnis Vol 8, No 1 (2025): JIMB - VOLUME 8 NOMOR 1 MEI 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37479/jimb.v8i1.31751

Abstract

Penelitian ini bertujuan untuk merumuskan strategi peningkatan efektivitas kinerja manajemen sumber daya manusia (SDM) di PT XYZ dengan menggunakan pendekatan SWOT (Strengths, Weaknesses, Opportunities, Threats) dan Analytic Hierarchy Process (AHP). Pendekatan SWOT digunakan untuk mengidentifikasi faktor internal dan eksternal yang memengaruhi kinerja manajemen SDM, sedangkan AHP diterapkan untuk memberikan pembobotan pada setiap faktor sehingga strategi yang dirumuskan memiliki dasar prioritas yang terukur. Penelitian ini dilakukan dengan metode pengumpulan data melalui observasi, wawancara, dan kuesioner yang dirancang untuk mengevaluasi tingkat kepentingan masing-masing faktor. Hasil analisis SWOT mengidentifikasi 16 faktor yang memengaruhi kinerja SDM, yang terbagi ke dalam empat kategori, yaitu kekuatan, kelemahan, peluang, dan ancaman. Dengan menggunakan AHP, setiap faktor diberikan bobot prioritas yang memungkinkan perusahaan untuk fokus pada strategi yang paling relevan dan berdampak besar. Berdasarkan hasil pembobotan, penelitian ini merekomendasikan tiga strategi utama. Pertama, peningkatan budaya kerja HEBAT melalui pelatihan berkelanjutan dan sistem penghargaan berbasis kinerja untuk meningkatkan motivasi dan produktivitas karyawan. Kedua, adopsi teknologi baru untuk mengimbangi perkembangan kompetitor sekaligus menciptakan keunggulan kompetitif, termasuk pemanfaatan teknologi digital dalam pengelolaan SDM. Ketiga, penyusunan standar operasional prosedur (SOP) yang jelas dan terintegrasi untuk memperbaiki koordinasi antarbagian dan meningkatkan efisiensi operasional. 
Corrugated Box Production Optimization Using Theory of Constraints (TOC) and DBR - Drum-Buffer-Rope (DBR): Optimasi Produksi Corrugated Box Menggunakan Theory of Constraints (TOC) dan DBR - Drum-Buffer-Rope (DBR) Budiani, Dian Nissa Fitri; Rochmoeljati, Rr
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.1422

Abstract

General Background: Efficient production processes are critical for manufacturing companies to meet output targets and maintain competitiveness. Specific Background: PT XYZ, a corrugated box manufacturer, is experiencing production delays due to bottlenecks at specific workstations. Knowledge Gap: Previous studies have rarely explored the integrated application of the Theory of Constraints (TOC) and Drum Buffer Rope (DBR) methods specifically within the corrugated box industry. Aims: This study aims to identify bottlenecks and propose improvements in PT XYZ’s production process by applying TOC and implementing the DBR scheduling method. Results: Bottlenecks were found at the Converting (SK-2) and Stitching (SK-4) workstations. Through the five focusing steps of TOC and DBR’s structured flow management using drums, buffers, and ropes, along with extended work hours at bottleneck stations, throughput increased from IDR 5,424,572 to IDR 8,040,195—a 32.53% rise. Novelty: This study presents a comprehensive application of TOC and DBR in the corrugated box sector, combining it with linear programming to optimize resource allocation and bottleneck exploitation. Implications: The findings highlight how TOC and DBR can serve as a strategic framework to improve operational efficiency and output in manufacturing systems constrained by limited capacity. Highlights: Converting and Stitching stations identified as production bottlenecks. Overtime at bottlenecks increased throughput by 32.53%. TOC and DBR integration proved effective in streamlining production. Keywords: Drum Buffer Rope, Corrugated Box, Throughput, Bottleneck, Theory of Constraints
Waste Reduction in Fertilizer Manufacturing Through Lean Six Sigma and 5S Implementation Meisufi, Ruro Wiranti; Rochmoeljati, Rr.
Journal La Lifesci Vol. 6 No. 2 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i2.2197

Abstract

This study aims to analyze the waste that occurs in the fertilizer production process at PT XYZ and provide suggestions for improvement with the Lean Six Sigma approach and the 5S method (Seiri, Seiton, Seiso, Seiketsu, Shitsuke). Data was collected through observation, interviews, and questionnaires, then analyzed using the DMAIC stages and tools such as Value Stream Mapping, RCA, and VALSAT. The results showed the three highest wastes were defects, motion, and transportation, with an average DPMO value of 32,706.67 and a sigma level of 3.43. The proposed improvements focused on implementing 5S to increase work efficiency and reduce non-value-added activities. After the improvement, the process efficiency value increased by 6.86%, indicating the effectiveness of the applied method.
Defect Analysis of Pepari Leather Bags Using Fault Tree Analysis and 5W+1H: Analisis Kecacatan Tas Kulit Pepari Leather dengan Fault Tree Analysis dan 5W+1H Pradana, Billy Gandis; Rochmoeljati, Rr.
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.1570

Abstract

General Background: Leather-based products such as bags are highly valued for their aesthetic and durability, yet their production is prone to quality issues. Specific Background: A manufacturing company specializing in leather accessories has consistently encountered product defects, especially in its leather bag line. Knowledge Gap: Despite the importance of maintaining quality in leather goods, there is limited systematic analysis on the root causes of defects using structured diagnostic methods in such contexts.Aims: This study aims to identify and analyze the root causes of leather bag defects using the Fault Tree Analysis (FTA) and 5W+1H methods to propose effective corrective measures. Results: The findings reveal three major defect types: uneven leather texture (0.1018%), scratch marks (0.1577%), and stitching holes (0.1034%). Novelty: The integration of FTA with the 5W+1H framework offers a structured, diagnostic approach rarely applied in small to medium-scale leather production settings. Implications: Recommended improvements include strengthening quality control protocols, enhancing raw material inspection, maintaining equipment reliability, and implementing targeted worker training—providing a comprehensive basis for quality enhancement in leather goods manufacturing. Highlights: Identifies key leather bag defects with precise probability data. Combines FTA and 5W+1H for structured root cause analysis. Proposes actionable improvements to optimize production quality. Keywords: Fault Tree Analysis, Quality Control, Leather Bag, Defect Analysis, Root Cause
ANALISIS RUTE DISTRIBUSI TERPENDEK UNTUK MEMINIMUMKAN BIAYA DISTRIBUSI DENGAN METODE TRAVELLING SALESMAN PROBLEM (TSP) DI PT. XYZ Nugroho, Rosa Novarian Agninditya; Rochmoeljati, Rr.
JISI: Jurnal Integrasi Sistem Industri Vol. 12 No. 2 (2025): JISI UMJ
Publisher : Fakultas teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jisi.12.2.177-186

Abstract

PT. XYZ adalah perusahaan manufaktur yang bergerak di bidang industri produksi kapas dan kasa. Produk PT. XYZ dikenal di seluruh wilayah Indonesia melalui beberapa distributor besar yang tersebar di semua wilayah Indonesia. Maka dari itu, diperlukan lintasan minimum yang tepat agar sistem pendistribusiannya menjadi lebih cepat dan efisien. Masalah yang muncul dalam perusahaan yaitu penentuan rute distribusi yang ditentukan secara manual berlandaskan pemahaman dan pengalaman supir menyebabkan konsumsi bahan bakar melebihi kebutuhan yang seharusnya dan mengakibatkan tingginya biaya distribusi. Tujuan dari penelitian ini adalah menentukan rute distribusi terpendek dan meminimumkan biaya distribusi produk kasa hidrofil steril 16x16 cm dengan menggunakan metode Travelling Salesman Problem (TSP) Algoritma Branch and Bound. Hasil penelitian menunjukkan bahwa metode Traveling Salesman Problem (TSP) Algoritma Branch and Bound lebih baik dan lebih optimal dibandingkan rute awal perusahaan karena dapat menghasilkan usulan perbaikan rute distribusi terpendek dengan penghematan jarak tempuh sebesar 59,4 km dan penghematan biaya distribusi sebesar Rp. 336.600 dengan persentase penghematan jarak tempuh sebesar 16,32% dan persentase penghematan biaya distribusi sebesar 5,74%.
Optimasi Pengendalian Persediaan Bahan Baku Karton Box Menggunakan Multi-Item Economic Order Quantity (EOQ) di PT. XYZ Amalia, Rochmatul; Rochmoeljati, Rr.
JISI: Jurnal Integrasi Sistem Industri Vol. 12 No. 2 (2025): JISI UMJ
Publisher : Fakultas teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jisi.12.2.187-198

Abstract

PT. XYZ adalah perusahaan yang bergerak dibidang manufaktur pembuatan karton kotak bergelombang. Tidak optimalnya frekuensi pembelian bahan baku mengakibatkan tingginya biaya pemesanan. Penelitian ini bertujuan untuk menentukan jumlah optimal persediaan bahan baku dan meminimumkan total biaya persediaan. Berdasarkan hasil penelitian, metode Multi-Item EOQ memperoleh kuantitas pemesanan yang optimal, frekuensi pembelian, biaya pemesanan dan biaya simpan yang optimal. Hal ini dapat dilihat pada kondisi optimal pada PT. XYZ karena dapat menekan frekuensi pembelian dan biaya simpan yang berlebihan. Dengan jumlah pemesanan optimal setiap bahan baku adalah kertas kraft liner 125 GSM sebesar 18 ton, kertas kraft liner 150 GSM sebesar 18 ton, kertas kraft liner 200 GSM sebesar 18 ton, kertas medium 150 GSM sebesar 24 ton, lem sebesar 2337 Kg, Stiching/Kawat sebesar 1056 Kg, Tinta sebesar 2716 Kg. Penggunakan metode EOQ Multi-Item didapatkan total biaya persediaan minimum sebesar Rp. 131.123.896,-.
Analisis Pengendalian Kualitas Produk Infusion Stand Menggunakan Metode New Seven Tools dan Failure Mode and Effects Analysis (FMEA) di PT XYZ Widyawati, Diana; Rochmoeljati, Rr.; Nugraha, Isna
Ekonomis: Journal of Economics and Business Vol 9, No 2 (2025): September
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/ekonomis.v9i2.2012

Abstract

This study aims to determine the factors that influence the quality of infusion stand products at PT. XYZ. The research method used in this study is the New Seven Tools method and Failure Mode and Effects Analysis (FMEA). The data collection technique uses interview and observation methods. Based on the results of the study, it is known that the factors that influence defects in infusion stand products are based on human factors, material factors, machine factors, method factors, and environmental factors. It is also known that defects with the highest Risk Priority Number value which will be a priority for repair are broken wheel defects with an RPN value of 280.
Optimizing Paving Block Parameters with Taguchi Method for Higher Compressive Strength: Optimasi Parameter Bata Paving Menggunakan Metode Taguchi untuk Meningkatkan Kekuatan Tekanan Syarifah, Faranisa Aulia Ar Rahma; Rochmoeljati, Rr.
Indonesian Journal of Innovation Studies Vol. 26 No. 4 (2025): October
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i4.1594

Abstract

General background: The growing demand for high-quality paving blocks in Indonesia requires manufacturers to consistently meet SNI standards, particularly in compressive strength, as it determines durability and safety. Specific background: At PT. XYZ, production inconsistencies often lead to cracks during testing, highlighting variability in process parameters. Knowledge gap: Although the Taguchi method has been widely applied in manufacturing quality improvement, its systematic integration with multiple critical parameters in paving block production remains underexplored. Aim: This study seeks to optimize compressive strength by applying the Taguchi Design of Experiments with an L₉ orthogonal array, focusing on cement–sand ratio, fly ash content, and aggregate size. Results: Signal-to-Noise Ratio and ANOVA analyses revealed that cement–sand ratio is the most influential factor, followed by fly ash and aggregate type, with the optimal combination of 3:5 cement–sand ratio, 3% fly ash, and medium aggregate (5–10 mm), producing a compressive strength of 42.16 MPa—exceeding the SNI minimum of 40 MPa. Novelty: This research introduces a robust model that integrates Taguchi and ANOVA to validate optimal production parameters specifically for paving block manufacturing. Implications: The findings provide practical guidelines for improving product consistency, reducing defects, and supporting cost-effective quality engineering in the paving block industry. Highlights: Taguchi design identified optimal cement–sand ratio, fly ash, and aggregate size. Optimal parameters achieved 42.16 MPa, exceeding SNI standards. Integration of Taguchi and ANOVA ensures consistent, cost-effective quality control. Keywords: Paving Block, Compressive Strength, Taguchi Method, ANOVA, Quality Engineering
Quality Control of Shoe Products Using the New Seven Tools Method and Root Cause Analysis Fuadah, Layin; Rochmoeljati, Rr.
Journal La Multiapp Vol. 6 No. 5 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i5.2226

Abstract

This study aims to analyze and control product defects in shoes produced by PT XYZ using the New Seven Tools method and Root Cause Analysis (RCA). The research method applied is descriptive with both qualitative and quantitative approaches. Primary data were obtained through observations and interviews, while secondary data consisted of production documents and defect records collected from June 2024 to January 2025. The analysis results show that defect rates exceeded the company’s standard threshold (2%), particularly in the sewing and lasting processes. By utilizing tools such as the Affinity Diagram, P-Chart, Tree Diagram, Matrix Diagram, and Process Decision Program Chart (PDPC), the study identified that the main contributing factors to defects stemmed from human, method, machine, material, and environmental aspects. RCA revealed that the root causes included insufficient training, non-compliance with standard operating procedures (SOP), suboptimal equipment, and unergonomic working conditions. The study proposed 33 improvement actions, of which 28 were deemed feasible for implementation. These findings are expected to help reduce the number of defective products and improve overall production quality.
Analisis Tingkat Pemborosan Lean Warehousing dengan Metode Value Stream Mapping dan FMEA di Warehouse Penyimpanan PT.XYZ Sinaga, Boriski; Rochmoeljati, Rr.
Ekonomis: Journal of Economics and Business Vol 9, No 2 (2025): September
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/ekonomis.v9i2.2013

Abstract

This study aims to determine the level of waste that occurs in the warehousing process at PT. XYZ through the implementation of lean warehousing. Data analysis in this study uses the lean warehousing method, namely Value Stream Mapping (VSM) to find critical waste in the warehousing process using the Waste Assessment Model (WAM) which then identifies the root causes of waste using a fishbone diagram and analyzes improvement recommendations using the FMEA method. Based on the results of the study, it is known that the levels of critical waste from the highest to the lowest, respectively, are waste waiting, waste unnecessary motion, waste over-processing, and waste defect. Based on the fishbone diagram analysis, there are 6 factors that cause the four critical wastes, namely human factors, method, material, environment, measurement, and machine. The proposed improvements that are the result of the analysis using FMEA are implementing the 5S concept in the warehouse, implementing a FIFO system for placing goods in the warehouse, increasing the number of workers, optimizing employee placement, and implementing a warehouse management system.
Co-Authors Adham Roihan Azriel Irfani Afriza, Ajeng Agustina, Mega Ahyaliya, Marsya Laila Alief Wahyu Pratama Alvionita, Selvi Amalia, Rochmatul Anasari, Sofia Fitri Annandita, Alifia Rizky Benedictus Vibriyanto Bagas Prakosa Berliana Dian Novitasari Brilian, Delinda Budiani, Dian Nissa Fitri Bustomy, Andrean Chori Dwi Azizah Christabela Jesselyn Dimas Wandhika D Dira Ernawati Endang Pudji Widjajati Erlina Erlina Faizal, M. Rizki Nur Fenny Novianti Ferina Indah Lusiana Ferraldo Kusuma Artono Putra Fibio Isnando Hariatmaja Pradana Fuadah, Layin Hidayatulloh, Faishal Iriani Iriani Isna Nugraha Ivonne Rakha Salsabila Kamal Husein Khusnun Nabila Mardila Nur Imamah Maunah, Dewi Aisarunnisa' Meisufi, Ruro Wiranti Moch Taufik Hidayat Mochamad Ismail Zakaria Muhammad Hadziqul Afkar Muhammad Rizki Kurniawan Nafa Artha Cahaya Mulia Nafa Artha Cahaya Mulia Nugraha, Isna Nugroho, Rosa Novarian Agninditya Pradana, Billy Gandis Prakosa, Albertus Adriyanto Satrio Pramudya, Kaka Arya Primadhiya, Fairuzzayyan Putra, M. Rizqy Ifaldhi Raditya Dwi Firmansyah Raditya Y E Rahmawati, Dea Ramadhan, Muhammad Afif Ramadhani, Muthia Dita Rauhul Rahman Adam Sinaga, Boriski Sinta Dewi Subono, Muhammad Wibbie Wiweka Syarifah, Faranisa Aulia Ar Rahma Tiara Nuriyah Sani Tranggono Tranggono Valentino, Eki Vaundra Cunning Hangesthi Widyarsa, Destiara Nabila Widyawati, Diana Ya Fachrul Rasyid Yustina N Yustina Ngatilah Zella Azzahra Achmadani