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Filscha Nurprihatin
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INDONESIA
JIEMS (Journal of Industrial Engineering and Management Systems)
Published by Universitas Bunda Mulia
ISSN : 19791720     EISSN : 25798154     DOI : doi.org/10.30813/
Core Subject : Science, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Journal of Industrial Engineering and Management Systems (JIEMS) publishes scientific papers, including empirical research, theoretical and scientific related original industrial engineering. The focus and scope of JIEMS include manufacturing systems, production, logistics, supply chain management, operations research, product design, ergonomics, and the other field of industrial engineering expertise groups.
Arjuna Subject : Teknik (semua kategori) - Tenik Industri dan Manufaktur
Articles 176 Documents
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Inventory Lot Sizing Decisions for Material Requirements Planning to Minimize Inventory Costs Filscha Nurprihatin; Rafie Djajasoepena; Vanessa Bertholdo Vargas; Moacyr Machado Cardoso Junior; Ali Vaezi
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 16, No 2 (2023): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v16i2.4722

Abstract

Inventory control is one of the most important factors in achieving optimal organizational performance. Material Requirement Planning (MRP) is a common method used by businesses to manage inventories. This study focuses on a hydraulic firm that has been in operation since 2016. This research examines the planning of eleven components to get the best planning for the company. This study contributes to the integration of Moving Average (MA) and Exponential Smoothing (ES) forecasting techniques alongside the MRP and three lot sizing techniques, such as LFL, EOQ, and LUC. The minimum error values between MA and ES are evaluated and followed by the comparison between three lot sizing techniques. The result shows that ES (α=0.1) is selected as the best forecasting technique, and LUC presents the lowest total inventory cost. However, LUC is only 0.05 percent lower than what LFL presents. A larger difference is shown by EOQ with 14.57 percent higher than LUC which makes EOQ unlikely to be selected.
APLIKASI MONITORING SMART CHARGER ANDROID BERBASIS MIKROKONTROLER ESP8266 MENGGUNAKAN FLUTTER Asvian Sulaeman; Angelina Pramana Thenata; Bhustomy Hakim
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 16, No 2 (2023): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v16i2.4763

Abstract

Smartphone merupakan perangkat yang sudah umum digunakan oleh masyarakat di zaman modern ini. Berdasarkan sistem operasinya smartphone terbagi menjadi dua jenis, yaitu IOS dan Android. Untuk menjalankan fungsinya, smartphone membutuhkan daya yang diambilnya dari baterai. Baterai yang digunakan didalam smartphone memerlukan pengisian ulang menggunakan charger. Sedangkan pengisian ulang tersebut bisa memakan waktu yang cukup lama sehingga pengisian daya sering kali tetap berlanjut walaupun baterai sudah terisi penuh yang sering mengakibatkan overcharge. Berdasarkan identifikasi masalah tersebut, penelitian ini bertujuan untuk merancang smart charger menggunakan mikrokontroler ESP8266 dan aplikasi monitoring yang dapat membaca dan menampilkan data baterai dari Android Smartphone dan mengirimkan sinyal kepada smart charger untuk menyambungkan / memutuskan arus yang terhubung saat melakukan pengisian daya baterai berdasarkan data baterai yang dibaca oleh aplikasi Android yang dibuat peneliti. Penelitian ini menggunakan framework Flutter sebagai User Interface Android dan Web, karena Flutter sudah mulai mendukung pemrograman multi-platform. Penelitian ini dilakukan pengujian terhadap alat menggunakan eksperimen perbandingan dengan charger biasa dengan smart charger yang dibuat peneliti dan blackbox pada aplikasi web dan android. Hasil penelitian ini adalah aplikasi web dan android yang dapat membaca dan menampilkan data baterai, smart charger yang dapat terhubung dengan internet dan menyambungkan / memutus arus charging berdasarkan data yang dikirim oleh aplikasi menggunakan MQTT Protocol. Adapun juga hasil pengujian aplikasi ini menggunakan eksperimen perbandingan yang membuktikan keberhasilan smart charger untuk menghentikan arus pengisian daya saat baterai sudah terisi penuh, dan blackbox terhadap aplikasi Web dan Android yang sudah dinyatakan berhasil. Berdasarkan hasil penelitian tersebut, dapat disimpulkan bahwa smart charger dirancang dapat digunakan untuk mencegah overcharging dengan cara memutuskan arus pengisian daya baterai saat baterai sudah terisi penuh, serta menampilkan informasi baterai tersebut menggunakan aplikasi Android dan Web. Adapun smart charger dapat memperpanjang umur baterai pada Android Smartphone.
The Influence of Macroeconomic Factors on IHSG at Consumer Goods Sectors Syakira, Anindya Alya
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 17, No 1 (2024): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v17i1.9777

Abstract

The capital market has a tremendous role in supporting the economic cycle since it can match individuals who have more money and those who need it. The capital market can be used as an investing-absorbing instrument and as tool to strengthen the financial position. In actuality, the capital market has taken a place as a financial nerve on the contemporary global economy. The purpose of this study is to determine the macroeconomic factors on The Indonesia Stock Price Index at sub-sector cosmetic and household industry. Specifically, this study aims to investigate the effect of inflation, BI rate, exchange rate, gold prices, and economic growth on The Indonesia Stock Price Index sub-sector cosmetic and household industry for the period of 2019-2021. As for methodology, secondary data was collected from the official website of The Indonesia Stock Exchange, Bank Indonesia official website, and the financial services authority which processed through the SPSS application. By using a multiple regression analysis tool, the data was processed. The findings revealed that inflation, BI rate, and gold prices have a significant impact while exchange rate and economic growth do not have a significant impact on The Indonesia Stock Price Index sub-sector cosmetic and household industry. This study also includes a discussion, limitations, recommendations, and conclusions.
Analisis Sentimen Pada Aplikasi Livin’ By Mandiri Menggunakan Metode Tf-Idf Dan Naive Bayes Sutrisno, Julius; Putri, Jovannia Grisella Eka
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 17, No 1 (2024): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v17i1.8931

Abstract

Penelitian ini bertujuan untuk menganalisis sentimen ulasan pengguna aplikasi Livin’ by Mandiri dengan menggunakan metode Term Frequency-Inverse Document Frequency (TF-IDF) dan algoritma Multinomial Naive Bayes. Dataset diambil dari ulasan pengguna yang diperoleh melalui GitHub dan mencakup informasi tanggal, isi ulasan, rating, dan versi aplikasi. Tahapan penelitian meliputi pengumpulan data, preprocessing (pembersihan duplikasi, penanganan missing values, normalisasi teks), pelabelan sentimen berdasarkan rating, ekstraksi fitur teks menggunakan TF-IDF, dan pemodelan menggunakan Multinomial Naive Bayes.Hasil analisis menunjukkan distribusi sentimen didominasi oleh sentimen positif (62,1%), diikuti negatif (31,0%), dan netral (6,0%). Model Multinomial Naive Bayes menghasilkan akurasi sebesar 85,04%, precision 71,94%, recall 60,67%, dan F1-score 57,71%. Kata kunci yang paling sering muncul dalam ulasan meliputi “bisa”, “sangat”, “aplikasi”, dan “livin”. Tren bulanan menunjukkan lonjakan sentimen positif pada Juli 2022 yang diikuti penurunan pada bulan berikutnya, sementara sentimen negatif cenderung stabil namun meningkat pada periode tertentu.Temuan ini memberikan wawasan strategis bagi pengembang aplikasi untuk meningkatkan fitur yang sudah diapresiasi pengguna sekaligus memperbaiki masalah teknis yang menjadi sumber keluhan. Rekomendasi meliputi peningkatan kualitas layanan, pengembangan model yang lebih baik dalam mengenali sentimen netral, serta pemantauan ulasan secara berkala untuk respons cepat terhadap umpan balik pengguna.
Pengendalian Mutu Material Bahan Baku Dengan Menggunakan Metode House of Risk dan Multi Attribute Failure Mode Analysis Bahan Baku di PT ElangPerdana Tyre Industry Indrajaya, Drajat
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 17, No 1 (2024): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v17i1.8770

Abstract

Penelitian ini bertujuan untuk memahami pengaruh manajemen risiko terhadap peningkatan mutu, pengendalian biaya, pengurangan cacat produk, dan peningkatan efisiensi operasional dalam sektor manufaktur. Risiko yang terjadi dalam proses produksi seringkali memengaruhi mutu produk, yang pada gilirannya berdampak pada biaya produksi serta tingkat cacat produk yang dihasilkan. Penelitian ini mengintegrasikan pendekatan analisis risiko dengan pengendalian mutu untuk mengidentifikasi hubungan antara variabel-variabel tersebut. Dalam penelitian ini, metode studi kasus diterapkan pada perusahaan manufaktur yang menghadapi tantangan dalam menyeimbangkan efisiensi operasional dengan pengendalian biaya dan peningkatan mutu produk. Hasil penelitian menunjukkan bahwa pengelolaan risiko yang sistematis mampu mengurangi cacat produk hingga 25%, sekaligus meningkatkan efisiensi operasional sebesar 30%. Selain itu, integrasi strategi pengendalian mutu dan pengelolaan risiko berhasil menekan biaya produksi secara signifikan, tanpa mengurangi kualitas produk. Temuan ini menegaskan pentingnya pendekatan holistik dalam mengelola risiko untuk mencapai efisiensi, mutu, dan biaya produksi yang optimal. Penelitian ini memberikan kontribusi penting bagi pengembangan strategi manajemen yang lebih efektif di industri manufaktur, serta membuka peluang untuk studi lanjut dalam bidang ini.Kata Kunci: risiko, mutu, biaya, cacat, effisien
Innovative Packaging Design: Enhancing the Takeaway Tea Experience at TWG Tea in Plaza Senayan, Indonesia Erlyana, Yana; Hanifah, Regina Dewi
JIEMS (Journal of Industrial Engineering and Management Systems) Vol 17, No 1 (2024): Journal of Industrial Engineering and Management Systems
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jiems.v17i1.8939

Abstract

This qualitative research study explores an innovative packaging design implemented by TWG Tea at Plaza Senayan, Indonesia, to enhance the to-go tea experience. The research focus is mainly on aspects of visual communication, material composition and sustainable properties of packaging. Through extensive observation and analysis of the packaging, the research revealed a visually appealing design featuring vibrant, bold color tones that reflect TWG Tea's distinctive brand identity. The packaging is carefully crafted from 100% biodegradable materials, highlighting the company's commitment to environmental sustainability. The integration of innovative elements such as interactivity and unique opening mechanisms contributes to the functionality and aesthetics of the packaging. The results highlight the important role packaging design plays in capturing consumer attention and communicating brand values. Innovative packaging design enhances the overall tea experience and creates a memorable and immersive journey for customers. By focusing on sustainability principles and using visually appealing elements, TWG Tea successfully differentiates itself in the market and engages consumers on both sensory and ecological levels. The research provides valuable insights for packaging designers and companies looking to enhance the to-go tea experience through innovative packaging solutions.

Page 18 of 18 | Total Record : 176

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