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FAKULTAS SAINS DAN TEKNOLOGI UIN SULTAN SYARIF KASIM RIAU Kampus Raja Ali Haji Gedung Fakultas Sains & Teknologi UIN Suska Riau Jl.H.R.Soebrantas No.155 KM 18 Simpang Baru Panam, Pekanbaru 28293
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SITEKIN: Jurnal Sains, Teknologi dan Industri
Published by Universitas Islam Negeri Sultan Syarif Kasim Riau
ISSN : 24070939     EISSN : 27212041     DOI : https://doi.org/10.24014/sitekin.v18i1.12062
Core Subject : Economy, Science, Education, Engineering,
Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Industrial & Manufacturing Engineering Other
Sesuai dengan standard ISO 45001 bahwa karyawan harus berpartisipasi dalam melakukan pencegahan kecelakaan. Untuk itu perusahaan telah menetapkan Program Hazob (Hazard Observation) untuk mengidentifikasi bahaya dan melakukan tindakan koreksinya. Penerapan Program Hazob masih dengan metode konvensional, mengisi lembar form, sehingga tidak efektif, efisien dan tidak berintegrasi dengan sistem lain. Transformasi digitalisasi diperlukan dengan merubah bisnis proses pelaporan dari konvensional ke aplikasi website atau mobile Apps. Hasil dari penelitian ini terjadi peningkatan kinerja operasional keselamatan kerja dengan program Hazob (i) pengisian form secara manual bertransformasi ke system digitalisasi aplikasi website dan mobile Apps; (ii) leading indikator pelaporan hazob meningkat menjadi 1.364 dari seluruh lokasi. Ini bermakna, bahwa perusahaan telah mengidentifikasi bahaya sejumlah tersebut dalam kuran waktu 3 bulan, dan melakukan tindakan koreksi sebelum terjadi kecelakakan. Data persentasi kontribusi menunjukan bahwa semua pihak bagian di perusahaan berkontribusi untuk melakukan pelaporan hazob. Hal ini menunjukan komitmen semua tingkatan untuk melakukan pecegahan kecelakaan. Angka terbesar pada tingkatan karywan ( 63 %) berkontribusi ; (iii) dampak implementasi berupa tingkat penurunan angka kecelakaan dengan Lagging Indikator sebagai berikut : LTIR = 0 (Nol), TRIR, yang sebelumnya 0.87 di bulan juni, turun menjadi 0 (nol) dari bulan Juli sampai September 2020, dan IFT, turun terus setiap bulan dan di bulan September di angka 12.33.
Arjuna Subject : Bisnis, Menejemen, dan Akutansi (semua kategori) - Strategi dan Menejemen
Articles 23 Documents
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Search results for , issue "Vol 22, No 2 (2025): June 2025" : 23 Documents clear
Simulation 1x2 Microstrip Antenna Array with Truncated Corner and Partial Ground Modification at 2.4 GHz for WiFi Applications Amillia, Fitri; Yadi, Sukri
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37300

Abstract

WiFi performance is highly dependent on the quality of the antenna as a system for transmitting and receiving electromagnetic signals. A 1×2 microstrip array antenna for 2.4 GHz WiFi applications with truncated corner and partial ground techniques has been successfully designed and simulated. The adjustment of the truncated corner strategy is to cut the four corners in a rectangular shape on the fix side and the fractional ground strategy on the ground plane. The recreation was carried out utilizing CST program. The results showed an increase in antenna performance in terms of return loss, bandwidth, and gain. The designed antenna showed a return loss of -28.57 dB, a bandwidth of 657MHz, and a gain of 6.05 dBi.These results indicate that the combination of array and structural modifications can significantly improve the performance of microstrip antennas for WiFi applications.
Enhancing Student Performance Prediction with Limited Data in Distance Learning Environments Mulyanto, Mulyanto; Kadir, Evizal Abdul
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37515

Abstract

Providing early predictions of student performance assessments is an essential task in the educational system. Previous studies on predicting student performance assessments have traditionally relied on academic scores and test indicators. The utilization of assignments, grades, and exams has been an extensive and successful method for evaluating student performance. However, with the increasing popularity of distance learning, a new perspective has emerged. The Online Learning Management System (OLMS) provides a wide array of features that can be leveraged in various ways to predict student performance. This study aims to propose an alternative approach to predicting student performance assessments by utilizing student engagement in an online learning management system. The study strives to investigate and analyze prospective features based on student activity. Bagging ensemble learning methods are proposed to predict student performance assessments through oversampling datasets. The effectiveness of these prediction models is then compared with various machine-learning models, with the results indicating that the proposed model outperforms others at all comparison levels. Furthermore, the proposed model demonstrates the ability to discriminate and predict student performance assessments based on OLMS-related features. Keywords: Student Performance Assessment, Ensemble Learning, Machine Learning, Student Performance Prediction
Minimizing Makespan In Flow Shop Scheduling: The CDS Method with Overlapping Yuniar, Sri Suci; Kusvianto, Arintyo Adi; Afifah, Alif Ulfa
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37348

Abstract

This study implements the Campbell, Dudek, and Smith (CDS) scheduling method with overlapping to enhance production efficiency, with the primary objective of minimising makespan through strategic job overlapping. The overlapping technique divides the selected job into two batches, where the first batch, upon completing Machine 1, immediately proceeds to Machine 2, while the second batch undergoes Machine 1. Once the second batch completes Machine 1, it is transferred to Machine 2. Machine setup is only performed upon job arrival. The results indicate a lead time saving of 83 minutes, reflecting a significant reduction in total processing time. These data suggest the efficiency of the CDS method’s overlapping approach in optimising scheduling performance and resource utilisation.   Keywords: Scheduling, CDS, multi-machine flow shop, Overlapping
Manufurrt: A Feasibility Investment and Operational Desktop Calculator Nugroho, Handi Wilujeng; Hamidi, Kurniawan
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.36764

Abstract

The prospect of success of a manufacturing project is determined by the results of feasibility tests such as investment and operations. In its implementation, the feasibility test is often constrained by several things such as data entry errors, calculation errors, and a long calculation time. The ideal solution that can be used to solve these three obstacles is to design an offline and stand-alone desktop-based feasibility calculation application. This research uses the SDLC Waterfall method and User Acceptance Test (UAT) based on questionnaires and scenario tests. In the design and coding completion phase, the SDLC waterfall approach is combined with generative AI to speed up the application design time. As a result, a calculation application named Manufurrt has been created with an interactive executable file format and is able to provide the same calculation results between the expected spreadsheet and the real calculation results from the application.
The Use of Lean Six Sigma Methodology to Improve Efficiency in Waste Bank Operations and Its Contribution to The Circular Economy Syallaby, Muhammad; Hardini, Septa
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37387

Abstract

Waste banks are innovative solutions in community-based waste management that support circular economy principles. However, many waste banks face various operational constraints such as process inefficiency, waste of resources, and low utilization of technology. This research aims to apply the Lean Six Sigma methodology  to improve the operational efficiency of waste banks and analyze its contribution to the circular economy. With the DMAIC (Define, Measure, Analyze, Improve, Control) approach, the study was conducted through field observations, interviews, and process efficiency analysis at waste banks in South Sumatra Province. The results show that Lean Six Sigma is able to identify points of waste and improve efficiency indicators such as process time, space utilization, and sorting quality. This efficiency has a positive impact on increasing the recycling volume and economic value of waste products. This study shows that Lean Six Sigma integration  supports the transition to a more sustainable waste management system. 
Analysis of The Effect of Total Quality Management (TQM) Implementation on MSME Business Performance During The COVID 19 Pandemic (Study of Patin Processing Center XIII Koto Mesjid) Setiawan, M. Hardi; Yahya, Mhd. Rafi; Syaputra, Widi
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37594

Abstract

The era of globalization has intensified economic competition, compelling both large enterprises andMicro, Small, and Medium Enterprises (MSMEs) to innovate and adapt for survival and growth. This studyinvestigates the application of Total Quality Management (TQM) and its effects on business performance, witha focus on the patin fish farming community in Koto Mesjid village, Riau. The main issue discussed was thechallenge for MSMEs to maintain competitiveness amidst the pressures of global economic competition andthe COVID-19 pandemic, which has affected production processes and increased business competition. Aquantitative research approach was employed, involving a survey of 85 respondents from the entire population.Data were gathered through questionnaires, tested for validity and reliability, and analyzed using multiplelinear regression with SPSS version 25. The findings demonstrate that management leadership, customer focus,information and analysis, and continuous improvement positively and significantly influence MSME businessperformance. In contrast, the process management variable did not have a significant effect. This researchhighlights the crucial role of TQM in achieving competitive advantage and underscores the importance ofimproving identified weak areas to enhance overall business outcomes.Keywords: Total Quality Management, Business performance, Small and Medium Enterprises,
Optimizing Dynamic Takt Time In Single Model Assembly Line Balancing Problem Considering Flexible Assignment Using Mathematical Modelling Montororing, Yuri Delano Regent
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.30542

Abstract

The pursuit of assembly line balance aims to enhance efficiency by optimizing the ratio between output and input. Achieving balance necessitates meticulous planning to ensure that machines at each workstation operate with equitable workloads. Notably, the assembly line plays a crucial role in this equilibrium. In a manufacturing company, excels in timely product delivery to customers. However, a decline in productivity is attributed to inefficient production processes. The production department operates based on takt time, aligning with customer demand requirements. Despite meeting customer demands promptly, the company usually needs to work on productivity due to fluctuating customer demands and varying process capacities. The consistent use of a capacity production leads to stable productivity and high loss of time due to efficient work hours. Driven by the background, the researcher aims to delve into workstation arrangements for efficient production processes, with the ultimate goal of minimizing wait times, analyzing work hour precision to reduce loss time, and optimizing time usage based on takt time in the production line for efficiency. The study incorporates line-balancing methods to enhance time usage effectiveness in each production line.
The Use of Virtual Stream Mapping in Business Process Re-Engineering for Order Fulfillment Improvement at PT. X Farrandi, Grant; Aritonang, Kinley
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.35822

Abstract

MSMEs in the manufacturing sector often face challenges in the efficiency of the production process, especially when implementing a make-to-order system that leads to high product variety and long lead times. This research aims to design improvements in the production process at PT. X, a furniture MSME in Bandung, by applying the Value Stream Mapping (VSM) and Business Process Re-engineering (BPR) methods. VSM is used to map initial conditions and identify non-value-added activities (waste), while BPR is used to formulate radical remedial solutions. The results of the analysis showed several main problems, namely delays in the supply of raw materials, the absence of standardization of sofa frames and covers, and production processes that ran in parallel. The proposed solutions include the implementation of make-to-stock and make-to-order hybrid systems, the implementation of safety stock of frame materials, and the standardization of dimensions and processes. These changes result in more efficient production processes, shorten order fulfillment times, and improve product quality consistency. This research shows that the integration of VSM and BPR can be a strategic approach in improving the manufacturing performance of MSMEs.
Measuring the risk level of worker discomfort due to computer use using the ROSA method Nugroho, Zhafif Radithya; Rizka Aulia, Baiq Putri; Firjatullah, Aji Adinata; Annisa, Putri Dwi
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.32957

Abstract

Computer work carried out for long periods of time can increase the risk of musculoskeletal disorders (MSD) in workers. Working posture is important to increase work productivity among workers. Unergonomic posture is one of the main factors causing MSD. This research aims to analyze risks to computer workers using the Rapid Office Strain Assessment (ROSA) method and provide recommendations for improvements to improve work compatibility. The Rapid Office Strain Assessment (ROSA) method is used to determine the risk value of work activities that use computers and sitting posture. The research results obtained showed that office employees were categorized as requiring further assessment and required follow-up action. Office employees have risky working postures and experience muscle complaints. Based on these results, there are several recommendations such as engineering controls and administrative controls.
Smarthome Design Using Raspberry Pi 3 Based on Internet Of Things (IoT) Putra, Urief Arsani Atma; Syamsul Irfan Akbar, L Ahmad; Ramadhani, Cipta
SITEKIN: Jurnal Sains, Teknologi dan Industri Vol 22, No 2 (2025): June 2025
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/sitekin.v22i2.37496

Abstract

Advances in Internet of Things (IoT) technology have driven the development of smart, efficient, and widely accessible home automation systems. This study aims to determine how to design and integrate Raspberry Pi technology with Bylnk to control relays remotely manually using widgets and automatically using LDR and DHT11 sensors. The research method employs an engineering research approach focused on the design, development, and testing of a prototype smart home system based on the Internet of Things (IoT) using Raspberry Pi 3. The process begins with a literature review on IoT concepts and Raspberry Pi characteristics, followed by the design of hardware and software that integrates the Raspberry Pi 3, LDR and DHT11 sensors, a four-channel relay module, and the Blynk platform for the user interface. After assembly, the system is tested through experimental scenarios observing LED responses to four input conditions: light intensity, ambient temperature, automatic timer, and manual commands via the Blynk app. The collected data is quantitative observational, including LED status (on/off), response time, and analyzed descriptively and comparatively by comparing actual results against the success criteria established in the design. The test results show that the system operates reliably in executing each control function, both automatic and manual, with fast and accurate responses. This research contributes to the development of a modular, cost-effective, and easily implementable smart home system in real residential environments.

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