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All Journal Indonesian Journal of Industrial Engineering & Management CSRID
Candra Setia Bakti
Universitas Yuppentek Indonesia
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Implementation of Tree Diagram Method, Failure Mode Effect Analysis (FMEA) and 5W 1H to Reduce Corky Defective Products in PT. XYZ Mohamad Solihudin; Wakhid Nurhidayat; Suwandi Suwandi; Candra Setia Bakti; Rachmat Rachmat; Agus Hari Hadi; Sapta Nugroho
IJIEM - Indonesian Journal of Industrial Engineering and Management Vol 4, No 1: February 2023
Publisher : Program Pascasarjana Magister Teknik Industri Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijiem.v4i1.17237

Abstract

PT XYZ is a company that manufactures of tire fabrics in the Tangerang. Global competition force the company continues to strive to reduce process costs, one of which is by reducing the highest percentage of defects, namely corky defects, corky defects reach 39.7% of total defects. The tree diagram and FMEA methods, selected for the analysis of potential failures that cause corky defects are found namely: Threads are not clamped when changing pots, joints are not pulled at the beginning of running, roll regulator worn is used for the process, dirty of roll regulator is used for the process, wrong setting inner brake. The 5W 1H method results from corrective actions, namely: Refreshing programs for twisting production operators, checking periodically the roll regulator used by the process is still good, making schedules, and reporting on the implementation of cleaning roll regulators and evaluating by production leaders. From the corrective actions taken, it succeeded in reducing the percentage of corky defects in the twisting plant 2 process, down from 39.7% to 14.9% in semester 2 of 2021.
Perancangan Aplikasi Pencatatan Kehadiran Online Berbasis Web Popy Yuliarty; Saruni Dwiasnati; Hayu Kartika; Novera Elisa Triana; Candra Setia Bakti
CSRID (Computer Science Research and Its Development Journal) Vol. 18 No. 2 (2026): Juni 2026
Publisher : LPPM Universitas Potensi Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22303/csrid-.18.2.2026.261-273

Abstract

Attendance recording is a crucial administrative activity in educational institutions because it is directly linked to discipline, reporting, and decision-making at the school level. However, manual attendance procedures are still widely used and often generate various problems, including delays in recapitulation, inconsistent data formats, potential duplicate records, and limited access to information required for periodic monitoring. In response to these issues, this study aims to design and evaluate a web-based online attendance application that supports a more systematic, measurable, and accountable attendance management process through login-based user authentication. The methodology includes a needs analysis involving key stakeholders administrators, homeroom teachers, subject teachers, and students which is then translated into a role-based system design. Subsequent stages comprise prototype development, functional testing to ensure feature compliance with specifications, and usability evaluation to assess ease of use and user acceptance. The developed application provides core functionalities such as role-based user management, daily attendance entry, input validation to minimize errors and prevent duplication, and change-history logging (audit trails) to strengthen data integrity and traceability. In addition, the system offers automated recapitulation and attendance trend visualization across daily, weekly, and monthly periods to make monitoring faster and more informative. The system is implemented as a web application using the Laravel framework and a responsive interface to ensure accessibility across multiple devices. Functional testing results indicate that the main features operate as intended, while usability evaluation suggests that the application is easy to use and improves work efficiency compared to manual procedures. Overall, the findings confirm that a web-based attendance system reinforced by data integrity mechanisms and periodic reporting can enhance monitoring effectiveness, accelerate recapitulation processes, and strengthen the accountability of attendance records in schools.
Co-Authors Agus Hari Hadi Hayu Kartika Mohamad Solihudin Novera Elisa Triana Popy Yuliarty Rachmat Rachmat Sapta Nugroho Saruni Dwiasnati Suwandi Suwandi Wakhid Nurhidayat