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Journal of Industrial Engineering
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Published by President University
ISSN : 25033670     EISSN : 25274139     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
JIE: Journal of Industrial Engineering (Online ISSN: 2527-4139; Printed ISSN 2503-3670) is a scientific journal in the field of industrial engineering that publishes scientific writings on pure and applied research in industrial system, including (but not limited to): Production system, Inventory management, Quality control & management, Work system analysis, Product design, Optimation, and Productivity.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 116 Documents
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Optimasi Penjadwalan Kerja Tenaga Penjual di Toko Ritel Menggunakan Programa Linier Elkana Timotius; Monica Nathania Utama; Lianching Christiane Nasali; Felicia Natalie Wangsa; Sani Susanto
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i1.4198

Abstract

Tuntutan konsumen yang semakin tinggi, pilihan produk yang semakin beragam, dan jalur distribusi yang semakin kompleks menjadi tantangan bagi industri ritel untuk bertumbuh dan bertahan. Kualitas layanan menjadi kunci untuk memenangkan persaingan di toko fisik. Keterbatasan sumber daya dan margin keuntungan harus dikelola secara optimal dengan mengefisiensikan biaya operasional dan mengefektifkan layanan yang diberikan. Studi ini dilakukan di sebuah jaringan toko ritel sepeda “Rodalink” yang berlokasi di Bandung. Ketersediaan layanan diukur dari bulan Agustus hingga Desember 2021. Pengamatan menemukan pola dinamis pada tingkat kunjungan konsumen untuk setiap hari di setiap rentang waktunya. Kondisi empiris tersebut mendorong perlunya pengaturan ulang jadwal kerja tenaga penjual agar dapat menghasilkan ketersediaan layanan paling optimal. Setiap konsumen harus dapat dilayani setidaknya oleh seorang tenaga penjual. Programa linier diterapkan dengan fungsi objektif berupa persamaan yang meminimasi biaya tenaga kerja serta kendala fungsionalnya adalah banyaknya konsumen yang berkunjung dan jam kerja karyawan. Hasil iterasi merekomendasikan penambahan 2 orang tenaga penjual agar dapat mencapai standar kualitas layanan yang diinginkan. Tingginya tingkat kunjungan konsumen di hari tertentu diantisipasi dengan mempekerjakan tambahan 1 orang sebagai tenaga kerja harian lepas. Secara total, biaya tenaga kerja menjadi lebih sedikit daripada harus membayar upah lembur namun memperbesar peluang konsumen yang dapat dilayaninya.
Implementasi Smart Furniture pada Desain Meja dan Kursi Taman Gilar Sundara; Galih Prakoso; Zain Amarta; Alfanadi Agung Setiyawan; Niki Etruly; Noni Kusumaningrum
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 1 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i1.4135

Abstract

Meja dan kursi taman merupakan sebuah elemen street furniture yang selalu berada di tengah ruang terbuka yang berfungsi sebagai pelepas penat orang-orang di sekitarnya. Semakin pesatnya perkembangan desain furnitur saat ini memunculkan tren desain furnitur yang pintar atau smart dengan menyisipkan teknologi terkini. Sudah banyak berbagai bentuk meja dan kursi taman  saat ini. Namun, secara fungsional kebanyakan hanya berfungsi sebagai tempat duduk dan meletakkan benda saja. Maka dari itu, dilakukan inovasi untuk merancang sebuah meja dan kursi taman yang mempunyai fungsi lain dari fungsi utamanya dengan memadukan teknologi solarcell. Solusi dari permasalahan yang ada yaitu adanya penggabungan atau penambahan fungsi pada suatu furnitur. Dengan demikian dapat dilakukan penggabungan fungsi utama meja dan kursi taman dengan fungsi benda lain yaitu solarcell. Melalui permasalahan di atas, perancangan produk diorientasikan pada fungsi utama meja dan kursi taman dengan fungsi pendukung yang mampu memenuhi aktivitas pengguna dari segi kepraktisan dan juga ergonomis. Metode yang digunakan dalam pengembangan produk meja dan kursi taman ini menggunakan metode design thinking. Dalam uji prototipe, dari hasil survei terhadap 33 orang dengan 10 atribut pengujian fungsi dan kenyamanan, mayoritas responden “sangat setuju” bahwa meja dan kursi taman hasil penelitian ini fungsi yang sesuai terhadap konsep smart furniture dan ergonomis.
Evaluasi Produktivitas Pengolahan Bahan Baku Furnitur Dengan Metode Objective Matrix Julia Dewi Ma'rifah; Zain Amarta
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4199

Abstract

Produk furnitur menjadi salah satu komoditas strategis bagi ekonomi Indonesia karena memiliki nilai tambah yang tinggi dan berdaya saing global. Pada saat ini industri furnitur merupakan salah satu industri yang berkembang pesat di Indonesia. Cakupan industri furnitur meliputi pengolahan bahan baku alami dan bahan pendukung yang diproses untuk meningkatkan manfaat dan nilai tambah yang tinggi menjadi produk furnitur. PT. XYZ merupakan salah satu perusahaan yang bergerak di bidang industri furnitur dan berlokasi di Semarang, Jawa Tengah. Produk yang dihasilkan PT. XYZ adalah lantai kayu yang berkualitas tinggi. PT. XYZ Semarang banyak mengalami kendala dalam mencapai target produksi yang telah ditetapkan khususnya pada bagian pengolahan bahan baku furnitur. Pada penelitian ini dilakukan evaluasi produktivitas pengolahan bahan baku furnitur di PT. XYZ Semarang dengan metode objective matrix untuk mendapatkan hasil yang akurat. Hasil metode objective matrix berupa indeks produktivitas dan indeks performansi yang menunjukkan tingkat efektivitas dan efisiensi. Selain itu hasil metode objective matrix juga mampu memberikan informasi faktor-faktor yang menyebabkan penurunan tingkat produktivitas berdasarkan kriteria produktivitas. Langkah-langkah perbaikan juga dilakukan sebagai upaya peningkatan produktivitas dan sebagai strategi perencanaan pada periode berikutnya. Berdasarkan hasil tersebut, maka metode objective matrix merupakan metode yang tepat untuk melakukan evaluasi produktivitas pengolahan bahan baku furnitur di PT. XYZ Semarang.
A Combination of Importance-Performance Analysis and Gap Analysis for Improving Quality Service in a Pastry Company Hirawati Oemar; Nugraha Nugraha; Maulida Dwi Amelia
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4195

Abstract

PT. X is a well-known pastry company due to its consistent flavors and high product quality. PT. X saw a decrease in sales while competing businesses saw an increase. Based on the results of the preliminary questionnaire from 33 customers, it is known that customer satisfaction is a factor influencing the decline in sales experienced by PT X. The aim of this research is to identify the factors that influence customer satisfaction and the gap between consumers and management at PT. X and provide recommendations for improving PT. X's service quality to compete with similar companies. This study used an importance-performance analysis, a customer satisfaction index, and a gap analysis to enhance service quality. The findings showed that the customer satisfaction index had a value of 66.78% and that the Cartesian diagram of importance-performance analysis contained seven attributes in quadrant 1, indicating that these attributes require development. The gap analysis results indicate that all attributes have a negative gap value. To increase customer satisfaction, service quality must be improved based on the overall results of data processing. Making SOPs for employees, offering appealing promotions to customers, and rewarding and punishing employees for their efforts are among the recommendations made. 
Pengaruh Desain Rak Sepatu Terhadap Tingkat Kelembaban Didalamnya Friska Damayanti; Prasiska Damastuti; Eilsa Adelia
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4646

Abstract

The existence of shoe racks has become one of the needs in every residential house and certain building facilities. So far, the design of shoe racks is often neglected both in terms of design and also moisture considerations. Shoes stored in a storage area are susceptible to fungal growth triggered by high humidity in them and can shorten the life of shoes. This study aims to find out the influence of shoe rack design in this case is the ventilation applied to the shelf door design against the moisture inside, so that the shoe rack can function optimally. Humidity measurements were made on 3 shoe racks with 3 door hole design modifications. Modification 1 is a door without ventilation holes, modification 2 is a door with ventilation on part of the door and modification 3 is a door with ventilation on the entire door. Based on the results of humidity measurements on the three modifications, it was obtained that the larger the ventilation holes on the rack, the lower the humidity in it. 
Feasibility Analysis of “KAOSI” the Graphic Art T-shirt Ayu Anggraeni Sibarani; Indro Prakoso; Dewi Tria Setyaningrum; Sri Ambarwati
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4304

Abstract

A business feasibility analysis is necessary to conduct to determine whether a business is viable and to enhance its quality and quantity. The analysis included (1) technical, (2) marketing, (3) management and organizational, and (4) financial. This study uses a business feasibility analysis to determine the viability of new MSME businesses named KAOSI. Based on the research conducted, it has been determined that the KAOSI is considered feasible because it meets the following criteria: (1) technical aspect, such as operating in a strategic location; (2) marketing aspect, such as having a unique selling proposition that is not currently held by any competing products; (3) financial aspect, KAOSI has a business NPV value of IDR 4,158,829.4, an IRR value of 40,9%, a PP value of 1.79 years, and a PI value of 1.98, which indicates that this business is financially feasible. However, in terms of management and organization, only the management aspect can be met by KAOSI, its organizational structure is deemed impractical due to its management's extensive responsibilities.
QUALITY IMPROVEMENT OF FAST MOVING PARTS PROCUREMENT WITH MULTI ATTRIBUTE FAILURE MODE ANALYSIS (MAFMA) IN A PETRO-CHEMICAL INDUSTRY Dwi Kurniawan; Ghaista Yumna Margani
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4671

Abstract

This paper addressed the problem of high waiting time in a petro-chemical industry in Indonesia. According to Pareto diagram, the procurement process at the industry showed that the number of fast moving item transactions was more than 70% or 19,836 item transactions with 2,524 fast moving material items. The activity of making Purchase Requisition (PR) until the issuance of Purchase Order (PO) for fast moving items required a cycle time of 71.2 days. The highest waste was waiting with a weight of 0.248 and a total of 17 waste items from 27 sub-activities. The average value of sigma for 6 years was 1.79. The application of lean six sigma and MAFMA found that the dominant causes of waste were unfulfilled specified demand and long delivery time. We proposed improvements by enhancing monitoring processes and submitting a contract agreement for the procurement of fast moving spare parts.
Reducing Inbound Warehouse Operation Waste Through Lean Manufacturing: A Case Study of Small and Medium Enterprises (SME) Putu Aulia Pranagita; Hery Hamdi Azwir
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4691

Abstract

A third-party producer, Company A, partners with a multinational corporation to package and transport the finished goods produced for its customers. To meet customer demand, Company A must maintain a considerably low lead time and an adequate level of inventory. To reduce lead times and non-value-added (NVA) activity times the warehouse operations, especially in inbound processes at an SME Manufacturing Facility, this research intends to analyze the impact of implementing lean manufacturing. Lead time and NVA time for the current operation are 9045 minutes and 275 minutes, respectively. Value stream mapping (VSM) is selected as the tool to identify process waste and launch an improvement strategy to achieve the research objective. The creation of the current state mapping and evaluation of the future state mapping will be the first steps in the implementation approaches. The proposed improvements include creating and implementing a VBA application as a data entry form for supplier shipment booking, an information system for material reception, an operational report, and remodeling the staging area by incorporating a gravity roller. The lead time is decreased by 5% as the improvement strategy is put into action, while the NVA time is dramatically decreased by 47.27%.  The research conclusions are thus recognized as noteworthy and beneficial in advancing the understanding of the role of value stream mapping methods in improving inbound warehouse performance in SMEs. 
Impact of Cripple Part Storage Management System Improvement on the Overall Equipment Effectiveness in an Automotive Spare Part Manufacturing Company Erwin Sitompul; Muhammad Junedi; Antonius Suhartomo
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.4683

Abstract

Improving productivity and performance is a continuous process in all manufacturing companies. Since a product fabrication process mostly consists of many production and work steps, there is always an opportunity for small improvement. If conducted consistently and continually, a series of small improvements can yield a considerable increase in overall productivity and performance. In this paper, the effort undertaken in an automotive spare part manufacturing company to reduce downtime due to the dandori process is presented. Dandori is the installation or setup required between the production of two different spare part types. The setup includes stocking in incomplete lots of product, or the cripple parts, of one type and stocking out the cripple parts of the other. The existing dandori process consisted of 12 steps and required 190.2 seconds. The development of a storage management system was proposed to reduce the downtime required to fill the production check sheets and to find the correct drawer in the storage room. The new dandori process consists of 19 steps and requires 140.4 seconds. The manual check sheet filling was replaced with QR code scanning and data input on a computer, while the manual finding of the correct drawer was assisted by the LED indicators. Production data for the duration 4 months before and 4 months after the improvement was analyzed. The availability rate of the process increases from 84.87% to 89.34%, and the overall equipment effectiveness (OEE) increases from 73.11% to 78.37%. The obvious increases encourage further continuous improvement cycle in the company.
Assessing the Awareness of Engineering Students at President University towards Massive Open Online Course (MOOC) Anastasia Lidya Maukar; Jean Hillary P Korua; Herwan Yusmira
JIE Scientific Journal on Research and Application of Industrial System Vol 8, No 2 (2023)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33021/jie.v8i2.3890

Abstract

Pandemi COVID-19 berdampak pada banyak aspek termasuk sektor pendidikan tinggi global. Semua kuliah harus dilakukan secara online. Platform MOOC terutama digunakan untuk mendukung sistem pembelajaran online karena dapat diakses secara online (terbuka) dan memungkinkan banyak peserta (massive) untuk belajar dari universitas terkemuka di seluruh dunia. Situasi pandemi COVID-19 di President University mirip dengan universitas lain. Untuk mendongkrak aktivitas pembelajaran online, President University menjalin kerjasama dengan Coursera dan memberikan kursus gratis yang sudah ada selama lebih dari 2 tahun. Perlu menilai apakah mahasiswa menggunakan fasilitas yang disediakan oleh universitas atau tidak dengan mengukur tingkat kesadaran terhadap MOOC. Tujuan utama dari penelitian ini adalah untuk menilai kesadaran mahasiswa teknik di President University terhadap MOOC. Pengumpulan data dilakukan dengan menggunakan kuesioner. Langkah-langkah dalam melakukan penelitian ini adalah merancang kuesioner, melakukan cluster sampling, menyebarkan kuesioner, statistik deskriptif, uji validitas dan reliabilitas, analisis clustering, analisis tabulasi silang, dan membuat kesimpulan. Responden dikelompokkan menjadi tiga kelompok berbeda berdasarkan jawaban mereka dalam pertanyaan skala Likert. Cluster 1 memiliki kesadaran MOOC terendah (tidak pernah mengikuti kursus, menggunakan 1 platform), cluster 2 memiliki kesadaran MOOC sedang (tidak pernah mengikuti kursus tetapi mengetahui setidaknya 1 platform), dan cluster 3 memiliki kesadaran MOOC tertinggi (diambil 1- 3 kursus, menghabiskan setidaknya 1 jam untuk kursus).

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