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Scripta Technica: Journal of Engineering and Applied Technology
Published by CV SCRIPTA INTELEKTUAL MANDIRI
ISSN : -     EISSN : 31099696     DOI : -
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
Scripta Technica: Journal of Engineering and Applied Technology is a peer-reviewed scientific journal that focuses on the dissemination of high-quality research in the fields of engineering and applied technology. It serves as an open platform for researchers, engineers, practitioners, and academics to publish innovative studies, technical developments, and theoretical contributions that address real-world engineering problems and technological advancement. The journal welcomes manuscripts in areas such as mechanical and electrical engineering, civil and environmental engineering, computer and information technology, materials science, renewable energy, automation, robotics, and other applied engineering fields. All submissions undergo a rigorous double-blind peer-review process to ensure academic integrity and scientific excellence. Scripta Technica is published biannually in June and December, promoting sustainable, practical, and forward-looking innovations that contribute to technological progress at national and international levels.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology" : 6 Documents clear
Perancangan Sistem Informasi Penilaian Kinerja Karyawan Berbasis Web Menggunakan Metode RUP pada PT. Cinta Food Muhammad Masngudi; Halimah, Halimah
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/y0wnz456

Abstract

This study aims to analyze the implementation of a web-based employee performance appraisal system at PT. Cinta Food, focusing on effectiveness, consistency, and administrative efficiency. The research employed a case study design with a descriptive quantitative approach, supported by system testing using the blackbox method. Findings reveal that the implementation of the web-based system reduced the performance appraisal process from 14 days to 4 days, achieving a 71.43% efficiency gain. The consistency rate between appraisers increased from 78% to 95%, indicating a significant reduction in subjective bias. Additionally, the administrative workload in the HRD division decreased by up to 60% due to automated archiving and integration of attendance data with performance targets. The system’s audit trail feature enhanced transparency and simplified dispute resolution. These results align with previous studies highlighting the benefits of digitizing performance appraisals to improve accuracy and speed. The findings are expected to serve as a reference for other organizations aiming to optimize performance evaluation systems through information technology.
Pengaruh Kecepatan Jaringan terhadap Kinerja Aplikasi Cloud Google Drive Berbasis Web Widiyanto, Widiyanto; Amir Syamsudin
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/7dxysn66

Abstract

The development of digitalization has led to the massive use of cloud services such as Google Drive, but its performance is greatly influenced by network speed. In Indonesia, the average internet speed still lags behind other countries in ASEAN, so a quantitative analysis of its impact on application performance is needed. This study aims to measure the relationship between network speed variations and the performance of web-based Google Drive through four indicators: upload time, download time, latency, and throughput. The method used is a quantitative experiment with a between-subjects design, testing five speed levels (5, 10, 25, 50, 100 Mbps) on three file sizes (10 MB, 100 MB, 500 MB), each repeated 30 times in a controlled environment using a network emulator. Data were analyzed using descriptive statistics, one-way ANOVA, post-hoc Tukey tests, and linear regression. Results showed that network speed significantly influenced all indicators (p < 0.001), with R² values ranging from 0.87 to 0.96. Increasing speed up to 25 Mbps resulted in significant performance improvements, but beyond this point, a diminishing return phenomenon occurred. Practically, each 1 Mbps increase reduced upload time by 0.075 seconds, download time by 0.068 seconds, latency by 0.215 ms, and increased throughput by 0.019 MB/s.
Desain, Pengembangan, dan Implementasi Gerbang Pembayaran Berbasis Web dan Android di Objek Wisata Bukit Cinta di Kabupaten Semarang Ayudya Sawitri; Nabila Kusumawardani; Helmy, Helmy; Sindung Hadwi Widi Sason
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/xebsw278

Abstract

Advances in information and communication technology have brought significant changes to various aspects of life, including the tourism sector. Bukit Cinta Tourist Attraction in Semarang Regency is one of the tourist destinations that continues to strive to improve its services to visitors. One of these efforts is to implement a web-based and Android payment gateway system. This study aims to design and develop a payment gateway system that can facilitate digital payment transactions for visitors to the Bukit Cinta Tourist Attraction. The system is designed to integrate various payment methods, such as bank transfers and digital wallets, thereby simplifying the process of paying for entrance tickets and various services at the tourist site. The research method used is the agile method, which includes planning, design, development, and testing phases. The results of the black-box testing indicate that the application interface functions well as planned. In the stress test, it was found that higher network speed availability improves application performance, and overall, the system can handle request loads effectively. It is hoped that the results of this research will contribute positively to Bukit Cinta Tourist Attraction in Semarang Regency by enabling ticket purchases to be made anywhere and generating accurate transaction data
Analisis Degradasi dan Prediksi Umur Pakai Baterai Lithium-ion Berbasis Dataset NREL Muhammad Yasphi Matondang; Bahma Efendi Matondang
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/44hhge31

Abstract

Penelitian ini menganalisis performa baterai lithium-ion berdasarkan NREL Battery Lifetime Dataset yang memuat hasil pengujian pada berbagai kondisi operasional. Metode penelitian meliputi pembersihan data, analisis hubungan kapasitas terhadap jumlah siklus, visualisasi tren degradasi, serta pemodelan prediksi umur pakai menggunakan regresi linier. Hasil menunjukkan bahwa metode pengisian pulse current memiliki laju degradasi lebih rendah dibandingkan metode constant current–constant voltage (CC-CV), dengan perbedaan kapasitas akhir mencapai 7% pada siklus ke-1000. Analisis parameter sebelum dan sesudah 500 siklus memperlihatkan penurunan kapasitas dan State of Health masing-masing sebesar 18%, peningkatan resistansi internal sebesar 22,2%, waktu pengisian lebih lama 13,3%, serta penurunan efisiensi energi sebesar 7,4%. Model regresi menghasilkan nilai R-squared sebesar 0,991 dan p-value < 0,001, menandakan hubungan negatif yang signifikan antara jumlah siklus dan kapasitas. Temuan ini menegaskan pentingnya pemilihan metode pengisian yang tepat, pemantauan parameter secara real-time, dan manajemen baterai berbasis data untuk memperpanjang umur pakai serta meningkatkan keandalan sistem penyimpanan energi.
Tinjauan Perkembangan Teknologi Membran dalam Pemisahan Gas CO₂ dari CH₄ Rafi Indratama
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/1y911w96

Abstract

Global CO₂ emissions exceeding 30 billion tons annually significantly contribute to global warming, including in natural gas, biogas, and landfill gas streams containing CH₄. High CO₂ content lowers CH₄’s calorific value, requiring efficient separation technology. Gas membranes offer an energy-efficient, low-cost, and simple alternative to conventional methods. This study reviews advancements in CO₂/CH₄ separation membranes, focusing on material innovations and performance. A systematic literature review was conducted following PRISMA guidelines, covering international publications (2010–2025) with relevant keywords. Data were analyzed qualitatively and quantitatively by membrane type, material, separation mechanism, and performance parameters such as permeability (PCO₂) and CO₂/CH₄ selectivity. Results show a publication surge after 2015, driven by developments in high-free-volume polymers (PIMs), carbon molecular sieves (CMS), zeolite-based inorganic membranes, mixed-matrix membranes (MMMs), and 2D materials like graphene and MOFs. Some materials exceeded the Robeson limit, achieving PCO₂ in the tens of thousands of Barrer with selectivity >100. Remaining challenges include plasticization, long-term stability, production costs, and scalability.
Impelemntasi Green Building pada Poryek Konstruksi di Manokwari dengan Pendekatan Lean Construction Natalia E Safkaur
Journal of Engineering and Applied Technology Vol 1 No 1 (2025): June: Scripta Technica: Journal of Engineering and Applied Technology
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/mansz354

Abstract

The construction sector significantly contributes to global energy consumption and carbon emissions, necessitating integrated strategies that combine operational efficiency and environmental sustainability. This study develops a conceptual Lean–Green integration model for construction projects in Manokwari through a Systematic Literature Review following the PRISMA protocol. The analysis synthesizes empirical findings published between 2018 and 2026 to examine the causal relationships between Lean Construction practices and Green Building performance indicators. The results indicate that Lean–Green integration potentially reduces material waste by 15–35%, decreases project costs by 10–20%, and improves operational energy efficiency by up to 30%. The proposed input–process–output framework identifies managerial commitment, workforce capability, regulatory support, and digital technology integration as critical determinants of successful implementation. The discussion highlights organizational culture, risk management, supply chain integration, and BIM-based digitalization as strategic enablers in peripheral regions with logistical constraints.

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