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FAKULTAS TEKNIK DAN KOMPUTER UNIVERSITAS PUTERA BATAM (Sistem Informasi, Teknik Informatika & Teknik Industri) Jl. R. Soeprapto – Tembesi – Batam – Kepulauan Riau
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Computer & Science Industrial Engineering Journal
Published by Universitas Putera Batam
ISSN : -     EISSN : 27156265     DOI : -
Core Subject : Science,
Computer Science & IT
Journal Comasie is a journal that combines 3 science namely informatics engineering, information systems and industrial engineering. The theme and scope can be seen in the scope section. This journal was created as a means of publicizing the results of research conducted by lecturers and students. This journal is published 3 times a year or every 4 months in a year. The main purpose of this journal is to facilitate students who want to publish their scientific work so that it will increase the profusion of knowledge. We on behalf of all the managers express gratitude for all efforts and support in the publication of this journal and our great hope that this journal can be a reference for the community in improving technology and to advance Indonesia (Amrizal, Andi, Welly, Rashid)
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 859 Documents
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PERANCANGAN ULANG MEJA KERJA ERGONOMIS PADA KANTOR ADMINISTRASI DI PT MCDERMOTT BATAM Ryan, Ryan Arvina Yosua Nababan; Zetli, Sri
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Administrative employees at PT McDermott Indonesia perform prolonged computer-based tasks, which increases the risk of musculoskeletal disorders due to the use of a non-ergonomic workstation. The existing desk is too low, the monitor position is misaligned with eye level, and the working posture tends to be forward-bending, leading to significant physical discomfort. This study aims to redesign an ergonomic workstation by utilizing anthropometric data and assessing postural risk using the Nordic Body Map (NBM) and Rapid Upper Limb Assessment (RULA) methods. Data were collected through field observations, interviews, documentation, NBM questionnaires, postural angle measurements, and body dimension measurements. The NBM assessment shows that all administrative employees fall into the high-risk category, with scores ranging from 78 to 81. The RULA analysis yields a final score of 6, indicating that immediate corrective action is required. Based on the anthropometric data, an ergonomic desk design is proposed with dimensions tailored to the majority of users, including adjustable height and optimized monitor placement. The redesigned workstation is expected to reduce musculoskeletal risks, improve comfort, and enhance productivity among administrative employees at PT McDermott Indonesia.
RANCANG BANGUN APLIKASI EVALUASI KINERJA KARYAWAN BERBASIS WEB DENGAN SIMULASI DATA DAN PENDEKATAN FUZZY MCDM Halawa, Wilson Sah Putra; Pangaribuan, Hotma
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11039

Abstract

Employee performance evaluation is an essential activity in manufacturing industries to maintain productivity and product quality. Conventional evaluation methods are often subjective and less effective when performance assessment involves multiple criteria and uncertain data. This study aims to design and implement a web-based employee performance evaluation system using the Fuzzy Multi-Criteria Decision Making (Fuzzy MCDM) method. Employee performance is assessed based on two main criteria: work quantity, measured by production output against dynamic targets, and work quality, measured by the number of defective products. The Fuzzy MCDM approach is applied through fuzzification, weighting, aggregation, and defuzzification processes to produce objective and adaptive performance scores. The system is developed using PHP and MySQL for data processing, while HTML, CSS, JavaScript, and Chart.js are used for interface design and performance visualization. The results show that the system is able to calculate performance scores accurately and present evaluation results clearly through graphical representations. The proposed system can support effective performance monitoring and data-driven managerial decision-making in manufacturing environments.
ANALISIS PENGENDALIAN KUALITAS PROSES PHOSPHATING PADA PT CITRA TUBINDO TBK Micola, Bagas; Sumantika, Arsyad
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11063

Abstract

This study discusses quality control analysis in the phosphating process at PT Citra Tubindo Tbk, a manufacturer of Oil Country Tubular Goods (OCTG). The problem identified was the high rate of non-homogeneous defects in the phosphating process, reaching an average of 4.16% from January to August 2025, which exceeded the company's maximum standard of 2%. This research aims to identify the optimal process parameters to minimize defects and improve process stability using the Taguchi Method. The experimental design used an L9 (3^3) Orthogonal Array involving three control factors: solution pH, immersion time, and temperature. Based on the analysis of the Signal-to-Noise (S/N) Ratio and mean response, it was found that the optimal combination of parameters to minimize defects is a solution pH of 38, an immersion time of 10 minutes, and a temperature of 70°C. The implementation of this optimal level combination is expected to reduce process variability and significantly decrease the defect rate, thereby meeting the company's quality standards.
ANALISIS PENGENDALIAN PRODUKSI DAN PERSEDIAAN PRODUK MIE PADA UKM MIE GAJAH MADA Esrawati, Esrawati; Prasetyo , Bahariandi Aji
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11079

Abstract

UKM Mie Gajah Mada is a small and medium enterprise located in Kavling Bintang, Batam. The company grapples with major production management challenges, as scheduling relies heavily on managerial intuition rather than data, often resulting in inventory depletion. To address this, the study employs Weighted Moving Average (WMA) and Double Exponential Smoothing (DES) to project product demand. The research aims to establish an optimal inventory control system by selecting the best forecasting technique and applying Economic Order Quantity (EOQ), Safety Stock, and Reorder Point (ROP) models. Findings reveal that the 5-period WMA is the most accurate approach according to MAD, MSE, and MAPE indicators. With demand forecasted to fluctuate between 12,815.3 and 2,598 units from April to July, these calculations offer a systematic guide for raw material procurement, helping the firm mitigate the risks of both excess inventory and stock shortages
PERANCANGAN SISTEM PENGENDALIAN KUALITAS PROSES DI PT. VISTA MEGA JAYA Panegoro, Dewo Setyo; Sumantika, Arsyad
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

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Abstract

PT Vista Mega Jaya, a company engaged in the fabrication of industrial, restaurant, and residential equipment, was identified as lacking quality control in the dome device table production process at PT Vista Mega Jaya. Based on the identified key issues, the objective of this study was to utilize the DMAIC method, one of the six sigma concept tools, to improve product quality by identifying the causes of product defects and developing proposed improvement plans. The DMAIC method can be used to reduce product defects occurring in the dome device table production process at PT Vista Mega Jaya. The results of the DMAIC study revealed that the average defect rate from January 2024 to December 2024 was 5.6%, with a sigma value of 2.4%, as the company aims for a defect rate of less than 3%. The largest number of defects occurred in the welding process. The lack of work process guidelines, disorganized workers, and inadequate maintenance led to a high number of defective products, necessitating rework. After implementing the improvement plan within four months, the dome device table production process achieved a sigma value of 3.57 out of 2.4.
RANCANG BANGUN SISTEM INFORMASI KASIR PADA RUMAH MAKAN AMY KHAS MASAKAN MEDAN Steven Nissan Goh, Antonio; Saragih, Saut Pintubipar
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11091

Abstract

Pelaku usaha sering menghadapi kendala dalam pencatatan transaksi manual yang berdampak pada efisiensi operasional. Penelitian ini mengembangkan sistem informasi kasir untuk Rumah Makan Amy guna mengatasi permasalahan tersebut dengan mengutamakan peningkatan kecepatan pemrosesan dan pencatatan data. Metode pengembangan sistem yang digunakan adalah Software Development Life Cycle (SDLC) model Waterfall, yang memberikan struktur tahapan yang jelas mulai dari analisis kebutuhan hingga implementasi. Sistem dibangun dengan arsitektur web menggunakan Visual Studio Code sebagai IDE dan MySQL sebagai manajemen basis data. Fitur utama yang diimplementasikan meliputi pengelolaan menu, pencatatan otomatis transaksi pemesanan dalam bentuk riwayat digital, serta generasi laporan keuangan terintegrasi. Hasil penelitian menunjukkan bahwa sistem ini berhasil mentransformasi proses manual menjadi otomatis, memberikan solusi terhadap kendala pencatatan, dan meningkatkan efisiensi operasional rumah makan. Temuan ini sejalan dengan penelitian sebelumnya yang membuktikan bahwa sistem kasir berbasis teknologi dapat meningkatkan akurasi data, kecepatan layanan, dan kapasitas keuntungan usaha. Implementasi sistem ini tidak hanya menyelesaikan masalah akut pencatatan, tetapi juga membentuk fondasi digital untuk skalabilitas bisnis di masa depan.
IMPLEMENTASI FRAMEWORK DELONE DAN MCLEAN UNTUK MENGUKUR KEPUASAN DAN KEAMANAN PADA PENGGUNA APLIKASI M-BANKING Winson; Darmansah
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11096

Abstract

The development of digital technology has transformed conventional banking services into application-based services, one of which is mobile banking. MyBCA Mobile is the latest application from Bank Central Asia that offers various modern features, but still faces user complaints regarding system stability, slow OTP (On-Time Transaction) requests, and login issues. This condition necessitates a more in-depth evaluation of user satisfaction and perceived security. This study uses the Information System Success Model framework from DeLone & McLean with the addition of a security dimension to measure system quality, information quality, service quality, user satisfaction, and perceived net benefits. The research method used is quantitative, through the distribution of questionnaires to MyBCA Mobile users. Data were analyzed using validity and reliability tests, and multiple linear regression analysis. The results show that system quality, service quality, and security have a significant effect on user satisfaction, while information quality and usage have no significant effect. User satisfaction has been shown to have a significant effect on net benefits. The conclusion of this study indicates that system stability, service quality, and security are the main factors in increasing satisfaction and perceived benefits of using MyBCA Mobile.
PERANCANGAN SISTEM PENGAMBILAN KEPUTUSAN STRATEGI PEMASARAN PADA E COMMERCE PT APS DENGAN MENGGUNAKAN AHP TOPSIS BERBASIS WEBSITE lim, ricardo; dar, Darmansah
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11098

Abstract

The rapid growth of e-commerce in Indonesia encourages companies to determine appropriate marketing strategies in order to remain competitive amid intense competition. PT Asia Pratama Solusi, a company that manages several e-commerce stores such as KS Computer, APS Comp, Ryzen Comp, and Timothy Acc, faces challenges in determining marketing strategy priorities for product categories, which are still subjective and not yet based on transaction data analysis. This study aims to design and develop a web-based decision support system for marketing strategy determination by applying the Analytical Hierarchy Process (AHP) and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) methods. The AHP method is used to determine the weight of each promotional criterion based on its level of importance, while the TOPSIS method is applied to rank product categories according to their closeness to the ideal solution. The data used in this study are derived from PT Asia Pratama Solusi’s sales transaction data for the 2024–2025 period. The results indicate that the developed decision support system is able to provide more objective, systematic, and measurable recommendations for product category prioritization compared to previous decision-making methods that relied solely on managerial intuition. The system is developed as a web-based application equipped with features for transaction data management, criteria weighting, AHP–TOPSIS calculations, and recommendation result presentation. With the implementation of this system, the company is expected to determine more targeted marketing strategies, improve promotional effectiveness, and strengthen its competitiveness in the e-commerce industry.
EKSPLORASI DATA PENJUALAN DI PT ABP UNTUK MENGUNGKAP FAKTA-FAKTA SEGMENTASI KONSUMEN PROPERTI MENGGUNAKAN ALGORITMA K-MEANS CLUSTERING Stefanus; Darmansah, Darmansah
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11099

Abstract

Housing sales data in property companies are commonly utilized only for administrative purposes, limiting their potential to generate strategic insights into consumer behavior and purchasing patterns. PT Adi Bintan Permata possesses a substantial volume of housing sales transaction data, yet this data has not been systematically analyzed to support data-driven marketing decisions. This study aims to identify consumer segmentation in the property sector at PT Adi Bintan Permata by applying the K-Means clustering algorithm. A quantitative descriptive research approach was employed using housing sales data from January 2022 to June 2025. The variables analyzed include housing selling price, housing unit type, and payment method. Data processing followed the Knowledge Discovery in Databases (KDD) framework, while the optimal number of clusters was determined using the Elbow Method and Silhouette Coefficient. The clustering process was conducted using RapidMiner and Google Colaboratory. The results reveal three distinct consumer clusters with different purchasing characteristics. These findings indicate that K-Means clustering is effective for property consumer segmentation and provides meaningful insights to support more targeted and effective marketing strategies.
ANALISIS PERBAIKAN PROSES PRODUKSI PADA UKM TAHU RONGGOLAWE septrianis, Novia; Sumantika, Arsyad
Computer Science and Industrial Engineering Vol 14 No 01 (2026): Comasie Vol 14 No 1
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v14i01.11171

Abstract

Small and Medium Enterprises (SMEs) play a strategic role in the national economy, especially in the food sector such as tofu production. Many food SMEs still face quality issues due to unstandardized production processes, limited sanitation, and weak quality control. This study analyzes and proposes improvements for the tofu production process at UKM Tahu Ronggolawe, Batam City, to enhance product quality and efficiency. Methods include Six Sigma, Good Manufacturing Practices (GMP), and Work Improvement in Small Enterprises (WISE). Data were collected through observation, interviews, and documentation of production and defect data from January to June 2025. Six Sigma analysis shows an average DPMO of 37,864 and an average sigma level of 3.28, indicating moderate process capability with notable defect opportunities. GMP evaluation reveals sanitation, worker hygiene, equipment, production environment, and documentation mostly fall into less compliant or non-compliant categories. WISE assessment indicates work systems, production layout, machine safety, welfare facilities, and organization are poorly structured and lack written SOPs. Proposed improvements include sanitation SOPs, routine employee work rules, better hygiene practices, and gradual optimization of production layout and environment. Integrating Six Sigma, GMP, and WISE is expected to reduce defects, improve product consistency, and achieve a more efficient, hygienic, and sustainable tofu production process.

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