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All Journal Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Agrointek Jurnal Optimasi Sistem Industri Jurnal Studi Manajemen dan Bisnis PROZIMA (Productivity, Optimization and Manufacturing System Engineering) Indonesian Journal of Information System CAPITAL: JURNAL EKONOMI DAN MANAJEMEN SISFO JISO : Journal of Industrial and Systems Optimization Indonesian Journal of Innovation Studies Automotive Experiences Prosiding Seminar Nasional Program Pengabdian Masyarakat Journal of Artificial Intelligence and Digital Business Jurnal Standardisasi
Putu Dana Karningsih
Departemen Teknik Industri Institut Teknologi Sepuluh Nopember
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Social Sciences Transportation Other

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Cost-Integrated Lean Maintenance to Reduce Maintenance Cost Putu Dana Karningsih; Winda Puspitasari; Moses Laksono Singgih
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v22.n1.p69-80.2023

Abstract

The company has always prioritized cost reduction. In this study, the researchers aimed to decrease maintenance costs by actively eliminating expensive non-value-added processes. The study employed Process and Time Driven Activity Based Costing to integrate cost with the activities performed. By conducting maintenance value stream mapping, the researchers identified various forms of waste, such as centralized maintenance, ineffective data management, poor inventory management, inadequate maintenance, under-utilization of resources, and waiting time for maintenance resources. Several alternative improvement options were proposed, and the Pugh method was used to compare and select the most promising alternatives or combinations of alternatives. The third alternative, which involves conducting internal training and implementing standard operating procedures for maintenance technicians, supervisors, and machine operators, as well as integrating an IT system for maintenance and creating an equipment and spare parts inventory database, was chosen as the highest-ranking option. The results showed that this approach reduced processing time for administrative activities, lowered corrective maintenance costs, and improved maintenance efficiency for both preventive and corrective maintenance.
PENILAIAN KESIAPAN UKM PRODUSEN MI BASAH DALAM MENERAPKAN SERTIFIKASI STANDAR NASIONAL INDONESIA (SNI) 2987 : 2015 (Studi Kasus: CV. ABC) Danar Agus Susanto; Mokhamad Suef; Putu Dana Karningsih; Bambang Prasetya
JURNAL STANDARDISASI Vol 23, No 3 (2021)
Publisher : Badan Standardisasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31153/js.v23i3.909

Abstract

Produk mi basah merupakan salah satu makanan yang banyak dikonsumsi oleh masyarakat di Indonesia. Besarnya pangsa pasar produk ini, memberikan persaingan usaha antar produsen semakin sengit, sehingga memerlukan tindakan pelaku usaha untuk meningkatkan daya saing produknya. Khusus untuk Usaha Kecil Menengah (UKM), persaingan ini lebih terasa karena terbatasnya akses keuangan dan teknologi, biaya produksi tidak efisien, terbatasnya keterampilan manajemen, penjualan, dan bahan baku. Peningkatan daya saing produk dapat dilakukan dengan penerapan dan sertifikasi Standar Nasional Indonesia (SNI) 2987: 2015. Tujuan penelitian ini adalah mengetahui kesiapan UKM produsen mie basah (CV. ABC) dalam sertifikasi SNI. Metode penilaian kesiapan UKM CV. ABC dalam menerapkan SNI 2987:2015 terbagi atas empat tahapan, yaitu merancang alat ukur (kuesioner), penilaian dengan kuesioner, identifikasi variabel kritis dan penyusunan usulan program untuk mengeliminir variabel kritis. Hasil penelitian menunjukkan bahwa kesiapan CV. ABC dalam sertifikasi SNI adalah sebesar 67,67%. Variabel teknis menjadi variabel kritis dalam sertifikasi SNI sehingga diperlukan rekomendasi atau usulan program kebijakan berupa pendampingan sertifikasi.
OPTIMALISASI TATA LETAK PABRIK PADA PROSES PENGECATAN DI PT INKA (Persero) MENGGUNAKAN METODE SYSTEMATIC LAYOUT PLANNING (SLP) Edi Winarno; Putu Dana Karningsih
CAPITAL: Jurnal Ekonomi dan Manajemen Vol. 8 No. 1 (2024)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/capital.v8i1.20527

Abstract

PT INKA (Persero) has experienced significant product development but faces issues with delivery delays. One of the causes is waste in the transportation process related to the factory layout. Re-layout is needed to improve efficiency. This study uses the Systematic Layout Planning (SLP) method to identify and analyze company data and create the best layout alternatives. The results show that alternative layout 1 with rail is the most suitable for painted passenger/engine cars, unpainted passenger/engine cars, and freight wagons. Alternative layout 1 provides high efficiency in material handling costs and re-layout costs. Optimizing process time and organizing work areas are also crucial to achieving production capacity targets. This is expected to address production delays and improve responsiveness to changes in the production environment.
DESIGN EFFICIENCY AND EARLY COST ESTIMATION OF DUAL-FUNCTION WASTE CHOPPER MACHINE THROUGH DFMA APPROACH Rohmatuka, Moh. W.; Juniani, Anda Iviana; Karningsih, Putu Dana; Indrawan, Rizal
JISO : Journal of Industrial and Systems Optimization Vol. 7 No. 2 (2024): Desember 2024
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v7i2.54-61

Abstract

ABSTRAKDesign for Manufacture and Assembly (DFMA) adalah metodologi yang diakui secara luas yang mengoptimalkan desain produk untuk mempercepat proses manufaktur dan perakitan. DFMA dapat menghasilkan penghematan biaya yang signifikan, peningkatan kualitas, dan mempersingkat waktu ke pasar dengan mempertimbangkan kemampuan manufaktur dan persyaratan perakitan sejak awal pengembangan produk. Dalam tinjauan mini ini, kita akan membahas prinsip dan manfaat utama DFMA dan penerapannya pada praktik manufaktur modern. Artikel ini juga menunjukkan penerapan metode DFMA pada Mesin Penghancur Limbah Fungsi Ganda untuk menganalisis kemampuan perakitan dan kemampuan manufakturnya. Dengan menerapkan metode DFMA, insinyur dan desainer dapat mengoptimalkan kemampuan manufaktur dan perakitan produk yang didesain ulang, menghasilkan peningkatan efisiensi, kualitas, dan kepuasan pelanggan. Ulasan ringkas ini berfungsi sebagai referensi untuk memahami konsep utama dan manfaat penggunaan metode DFMA dalam mendesain ulang produk. Dengan mengadopsi prinsip-prinsip DFMA, produsen dapat secara signifikan meningkatkan kemampuan manufaktur dan efisiensi perakitan produk, meningkatkan daya saing pasar. ABSTRACT Design for Manufacture and Assembly (DFMA) is a widely recognized methodology that optimizes product design to expedite manufacturing and assembly processes. DFMA can result in significant cost savings, enhanced quality, and a shortened time-to-market by contemplating manufacturability and assembly requirements from the outset of product development. In this mini-review, we will discuss the DFMA's main principles and benefits and its applicability to modern manufacturing practices. This article also demonstrates the implementation of DFMA methods on a Dual-Function Waste Crushing Machine to analyze its assembly ability and manufacturability. By applying the DFMA method, engineers and designers can optimize the manufacturing capabilities and assembly of the redesigned products, resulting in improved efficiency, quality, and customer satisfaction. This concise review serves as a reference to understand the main concepts and benefits of using the DFMA method in redesigning products. By adopting DFMA principles, manufacturers can significantly improve manufacturing capabilities and product assembly efficiency, increasing market competitiveness.    
Optimizing New Product Development in Automotive Manufacturing: The Role of DFMA in Multi-Purpose Vehicle Production Ariyani, Made Laksmi; Karningsih, Putu Dana; Wicaksono, Bagas Wahyu; Syamsuri, Ahmad
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 2 (2025): Mei - Juli
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i2.1621

Abstract

This study examines the application of Design for Manufacturing and Assembly (DFMA) principles to enhance the production process of Multi-Purpose Vehicles (MPVs). The research aims to improve assembly efficiency and reduce manufacturing costs by evaluating and modifying the existing MPV design. By eliminating unnecessary components, such as Bolt Type 1, PU Box, Rear Cabin, and Bolt Type 2, and incorporating fit-in technologies like snap-fit mechanisms, the design is simplified to streamline the assembly process and reduce complexity. DFMA software analysis, along with design modifications, shows a substantial reduction in assembly time and cost, while improving product reliability. The findings demonstrate how DFMA can enhance the manufacturability of MPVs, providing an effective strategy for manufacturers to stay competitive in the automotive sector. The study also underscores the importance of iterative design evaluation and re-evaluation in achieving optimal product quality and operational efficiency. This research offers practical insights into applying DFMA in automotive product development and sets the foundation for further studies on its impact in other industries
Analysis and Handling of Waste in Companies Implementing Lean at a Beginner Level: Analisa dan Penanganan Pemborosan Bagi Perusahaan Dalam Penerapan Lean Tingkat Pemula Aditia Shofyan, Rizal; Karningsih, Putu Dana
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.v26i4.1614

Abstract

General Background: The manufacturing sector, particularly in consumer goods, faces constant pressure to enhance efficiency and reduce waste. Specific Background: A Surabaya-based mosquito coil manufacturer has adopted automation in its production processes; however, inefficiencies persist due to various non-value-adding activities. Knowledge Gap: Although lean manufacturing offers promising solutions, practical integration of its tools remains a challenge, especially for companies at the early stage of implementation. Aims: This study aims to systematically identify and eliminate waste by applying a lean manufacturing framework that integrates Process Activity Mapping (PAM), Gemba Shikumi, the 5 Whys analysis, and the Lean Assessment Matrix. Results: Thirteen types of wasteful activities were identified, with five categorized as critical through Gemba Shikumi. Root cause analysis using the 5 Whys generated several improvement alternatives, which were prioritized using the Lean Matrix. The top three recommendations were selected for implementation. Novelty: The integration of multiple lean tools into a phased and context-sensitive framework represents a practical innovation for early-stage lean adoption. Implications: The results offer a structured approach for similar manufacturing firms to improve productivity by effectively identifying and addressing wasteful activities. Highlights: Identifies 13 wasteful activities using integrated lean tools. Prioritizes actions with Lean Matrix for practical implementation. Offers a framework tailored for early lean adoption stages. Keywords: Lean Manufacturing, Waste Elimination, Process Activity Mapping, Gemba Shikumi, 5 Whys Analysis
An Investigation of Pull and Push Factors in the Commercialization Policy of Electric Motorcycles in Indonesia Nando, Fiky Two; Gunarta, I Ketut; Karningsih, Putu Dana
Automotive Experiences Vol 8 No 2 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13989

Abstract

The ongoing energy crisis underscores the pressing need for more efficient energy utilization, particularly in the transportation sector. In this regard, the shift from conventional fossil fuels to electric vehicles (EVs) is essential for achieving both environmental sustainability and energy efficiency. Several developing countries, including Indonesia, have introduced regulations to promote EV adoption. However, electric motorcycle sales remain stagnant due to persistently low adoption rates. The primary challenge lies in the limited success of commercialization efforts, which continues to hinder broader market penetration in Indonesia. This study aims to identify research opportunities that can support the commercialization of EVs in Indonesia and to explore the push and pull factors influencing this process. An exploratory approach is employed, incorporating bibliometric analysis using R 4.3.1, a scoping literature review, and in-depth interviews with EV experts. The bibliometric analysis highlights the considerable development potential of electric motorcycle commercialization. From in-depth interviews with eleven experts, forty-four influencing factors were identified: twenty-nine of which are newly emerging factors, and fifteen are already established in the literature. Among these, four pull factors were confirmed, while twelve push factors were consistently highlighted by the experts. “Inexpensive product price for consumers” emerged as the most dominant pull factor in accelerating electric motorcycle commercialization, whereas the provision of incentives was the most frequently emphasized push factor driving supportive commercialization policies.
Cost-Integrated Lean Maintenance to Reduce Maintenance Cost Putu Dana Karningsih; Winda Puspitasari; Moses Laksono Singgih
Jurnal Optimasi Sistem Industri Vol. 22 No. 1 (2023): Published in May 2023
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v22.n1.p69-80.2023

Abstract

The company has always prioritized cost reduction. In this study, the researchers aimed to decrease maintenance costs by actively eliminating expensive non-value-added processes. The study employed Process and Time Driven Activity Based Costing to integrate cost with the activities performed. By conducting maintenance value stream mapping, the researchers identified various forms of waste, such as centralized maintenance, ineffective data management, poor inventory management, inadequate maintenance, under-utilization of resources, and waiting time for maintenance resources. Several alternative improvement options were proposed, and the Pugh method was used to compare and select the most promising alternatives or combinations of alternatives. The third alternative, which involves conducting internal training and implementing standard operating procedures for maintenance technicians, supervisors, and machine operators, as well as integrating an IT system for maintenance and creating an equipment and spare parts inventory database, was chosen as the highest-ranking option. The results showed that this approach reduced processing time for administrative activities, lowered corrective maintenance costs, and improved maintenance efficiency for both preventive and corrective maintenance.
Developing an Industry-Specific Lean 4.0 Readiness Assessment Tool: A Case for the Chemical Sector Arif Budi Sulistyo; Putu Dana Karningsih; Samira Alvandi
Jurnal Optimasi Sistem Industri Vol. 23 No. 2 (2024): Published in January 2025 (published late, please read our note)
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (955.682 KB) | DOI: 10.25077/josi.v23.n2.p283-298.2024

Abstract

In an era where digital transformation is increasingly imperative, many industries struggle to navigate the complexities of technological adoption and operational efficiency. Lean principles, which emphasize waste reduction and process optimization, provide a robust foundation for digital transformation, particularly in the chemical industry, where unique operational challenges exist. This research aims to develop an integrated Lean 4.0 readiness assessment tool to bridge the gap between leanness and Industry 4.0 readiness. The study begins with a literature review on existing lean and Industry 4.0 readiness measurement tools and integrates them to create a new framework, using the Indonesia Industry 4.0 Readiness Index (INDI 4.0) as a reference, tailored specifically to the chemical industry. Expert interviews are conducted to refine the assessment tool, ensuring alignment with real-world industry conditions and practical insights. A Delphi-based expert consensus method combined with a fuzzy approach for handling imprecision in indicator ratings is employed to validate the framework, resulting in five key dimensions and 86 indicators. By gathering expert input, the tool addresses the chemical industry’s specific challenges and simplifies readiness evaluation, helping companies assess their preparedness for digital transformation and identify areas for improvement. The resulting framework enables chemical companies to bridge readiness gaps and prioritize targeted enhancements. Furthermore, this tool has the potential to serve as a scalable model for other industries, fostering more efficient and strategic digital transformation aligned with Industry 4.0 objectives globally.
Redesigning Medical Devices with Design for Manufacturing and Assembly (DFMA): Redesain Alat Terapi Kesehatan dengan Design for Manufacturing and Assembly (DFMA) Andrew, Andrew; Karningsih, Putu Dana; Dewi, Dyah Santhi; Batan, I Made Londen; Wahjudi, Arif
Indonesian Journal of Innovation Studies Vol. 27 No. 1 (2026): January
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v27i1.1915

Abstract

General Background Product development in medical devices requires careful consideration of manufacturing and assembly to control cost, complexity, and safety. Specific Background An integrated cervical and lumbar traction device prototype exhibited excessive components and fasteners, resulting in low assembly efficiency, high manufacturing cost, and the absence of an emergency button. Knowledge Gap Previous traction device designs had not been systematically evaluated using Design for Manufacturing and Assembly (DFMA) with explicit assessment against Design for Assembly guidelines. Aims This study aims to redesign the integrated cervical and lumbar traction device using DFMA to reduce manufacturing cost and assembly time while incorporating an emergency button. Results The redesign achieved a 77.06% reduction in reorientation operations and a 53.19% decrease in insertion difficulties, leading to a 16.90% increase in assembly efficiency, an 11.07% reduction in total assembly time, and a 9.12% decrease in manufacturing cost. The DFA Index increased from 7.1 to 8.3, indicating improved assembly performance. Novelty The novelty lies in evaluating redesign outcomes through systematic compliance with DFA Guidelines supported by Boothroyd Dewhurst DFMA software. Implications The findings demonstrate that DFMA provides a structured approach for developing medical therapy devices that are easier to assemble, more cost-efficient, and safer for users, offering a practical reference for similar healthcare equipment redesign initiatives. Highlights: Structural simplification and fastener standardization substantially reduced assembly complexity. Quantitative DFA metrics confirmed notable reductions in reorientation and insertion difficulties. Manufacturing and assembly costs per unit decreased while safety functionality was incorporated. Keywords: Assembly Efficiency, DFMA, Manufacturing Cost, Medical Therapy Device Redesign
Co-Authors Adinda Sushmita Dewanti Adithya Sudiarno Aditia Shofyan, Rizal Aditya Rahadian Fachrur Adji Sepvian Fadillah Budiono Ahmad Syamsuri Al Kindhi , Berlian Amelia Santoso Anda Iviana Juniani Andrew Andrew, Andrew Arie Diputra Ersam Arif Budi Sulistyo Arif Wahjudi Ariyani, Made Laksmi Atmam Abdha Arianandha Bambang Prasetya Benhard Panangian Budi Siswanto Budisantoso Wirjodirdjo Chatarina Dian Indrawati Danar Agus Susanto David Dwi Harjanto Dewanti Anggrahini Dewanti Anggrahini Dewanti Anggrahini Dewanti Anggrahini Dewi, Dyah Santhi Dewinta Cahya Mardiatilla Dodgalih Nur Muhammad Dwa Desa Warnana Edi Winarno Emielda Rizqiah Farah Widyan Hazmi Fauzillah Indriani Fauziyah Fatma Ningrum Fikri, Muhammad Naufal Fiky Two Nando Gede Bima Nugraha Hari Supriyanto Hari Supriyanto Hari Supriyanto Henry Pariaman I Ketut Gunarta I Made Londen Batan I Nyoman Pujawan Iffan Maflahah Imandio Wicaksono Inggrit Febriani Sulistiono Putri Inggrita Putri Kusuma Wardani Irene Malilung Sitanggang Iwan Vanany Kurniati, Nani Lestari, Nastiti Puji Maria Anityasari Mokh. Suef Mokhamad Suef Moses Laksono Singgih Muhammad Ryan Nur Haq Nani Kurniati Nastiti Puji Lestari Novi Dwi Jayanti Novi Dwijayanti Petrus Setya Murdapa Ragil Sudaryanto Rindi Kusumawardani Rindi Kusumawardani Riyanto, Rudy Rizal Indrawan Rizaldy Rizki Pratama Rohmatuka, Moh. W. Samira Alvandi Satria Khalif Isnain Satria Khalif Isnain Septi Ayu Angrayni Sherina Amalia Permatasari Sofyan Atsauri Sutikno Sutikno Udisubakti Ciptomulyono Udisubakti Ciptomulyono Valiana Gamma Krestanti Wicaksono, Bagas Wahyu Wijdani Anindya Hadi Winda Puspitasari Winda Puspitasari Wiwin Widiasih Yuanita Kumala Dewi Yudha Prasetyawan Yudha Prasetyawan Yuniasri, Riskyta Yusita Mega Kuncoro