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Inventa: Journal of Science, Technology, and Innovation
Published by CV SCRIPTA INTELEKTUAL MANDIRI
ISSN : 31233147     EISSN : 31233155     DOI : 10.65310
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
Inventa: Journal of Science, Technology, and Innovation is a peer-reviewed scientific journal that focuses on the dissemination of high-quality research in the fields of science, technology, and innovation. It serves as an open platform for researchers, engineers, practitioners, and academics to publish original studies, applied research, and theoretical developments that advance scientific and technological knowledge. The journal welcomes manuscripts covering various topics, including natural and applied sciences, engineering and technology, information and communication technology, industrial innovation, renewable energy, and environmental studies. All submissions undergo a rigorous double-blind peer-review process to ensure academic integrity, originality, and scientific excellence. Inventa is published triannually in April, August, and December, promoting innovative, sustainable, and forward-looking contributions that support scientific progress and technological advancement at both national and international levels.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 125 Documents
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Perancangan dan Pengembangan Website E-Catalog dengan Sinkronisasi Manajemen Stok Berbasis API Shopee Aditya Imam Ramadhan; Firdhaus Hari Saputro Al Haris; Farid Fitriyadi
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/fke6md96

Abstract

This study was motivated by the risk of overselling and inventory data inaccuracies at Bengawan Komputer due to manual stock recording using Microsoft Excel across physical stores and Shopee. This study aims to design and develop a Laravel-based E-catalog website integrated with the Shopee Open Platform API to implement automatic and real-time stock management synchronization as a centralized inventory system based on the Single Source of Truth concept. Research data were collected through literature review, observation, interviews, and questionnaires, while system development employed the Waterfall model with UML as the modeling tool. The resulting website provides Dashboard, Product Management, Shopee integration, sales reports, Inbox, and Settings features. Black Box Testing showed that all eight main functions operated successfully, achieving a 100% success rate. Evaluation using the System Usability Scale (SUS) involving 30 respondents produced a score of 75.58, classified as Grade B and Acceptable. The API integration enables product, stock, and Shopee transaction data to be managed within a single system, supporting more efficient operational monitoring. The developed system supports more integrated multichannel inventory management and reduces the risk of stock discrepancies.
Analisis Pengaruh Variasi Derajat Kemiringan Drive Pulley Terhadap Torsi dan Daya Sepeda Motor Mio Z 125 CC Farman Husin; Sefnath J. E. Sarwuna; W. M. E. Wattimena
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/4jpjgh72

Abstract

CVT (Continuously Variable Transmission) powertrain efficiency generally ranges from 50% to 80%, creating opportunities to improve power transfer through optimization of the primary pulley geometry. This study investigates the effect of Drive Pulley inclination angle variations on the torque and power characteristics of a Mio Z 125 CC motorcycle across different engine speeds. A quantitative experimental method was employed using four Drive Pulley configurations: 14° (standard), 13.6°, 13°, and 12.5°. The 14° configuration produced a maximum torque of 11.73 Nm at 3,878 RPM and power of 7.36 HP at 7,292 RPM. The 13.6° configuration generated 13.24 Nm at 3,387 RPM and 7.79 HP at 6,848 RPM, while the 13° configuration produced 13.56 Nm at 3,350 RPM and 7.81 HP at 6,250 RPM. The 12.5° configuration achieved the highest torque and power, reaching 15.99 Nm at 3,250 RPM and 7.91 HP at 3,906 RPM. The increased performance is associated with earlier V-Belt engagement and faster expansion of the effective primary pulley diameter. These findings indicate that reducing the Drive Pulley inclination angle can strengthen low-speed torque and modify the power delivery characteristics of the CVT system.
Rekomendasi Peningkatan Kualitas Layanan Publik di Institusi X Provinsi Jawa Barat Berdasarkan Analisis Kesenjangan Persepsi dan Harapan Pengguna Fiday Zulfan Al-Bantany; Yoanita Yuniati Mukti
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/2ctkxh41

Abstract

The service managed by Institution X in West Java Province is a public service that requires continuous improvement in service quality, including the identification of priority aspects that need to be improved. Previous issues included long waiting times, limited system access, technical disruptions, and insufficient staff responsiveness, indicating the need for continuous quality improvement. This study aimed to provide recommendations for service quality improvement based on the results of Gap 5 analysis, which measures the difference between user perceptions and expectations. The study employed a quantitative approach using five SERVQUAL dimensions: tangibles, reliability, responsiveness, assurance, and empathy. Data were collected through a questionnaire that had been tested for validity and reliability and was completed by 255 service users. The results showed an average Gap 5 score of 0.012, indicating that overall service performance had met user expectations, although this achievement was not consistent across all attributes. Improvement priorities were determined based on attributes with negative gap scores, namely computer equipment and system performance (-0.008) and waiting time (-0.004). These two attributes had not yet met user expectations due to the limited number of computers and staff, delayed device response, and network connection constraints. Further improvement should be undertaken by management through an analysis of the gap between management perceptions of user expectations and the actual expectations of users regarding these two attributes.
Usulan Perbaikan Layout Perpustakaan dan Perancangan Sistem Dashboard di Sd Negeri 074 Ayudia Kota Bandung Anzelin Dwi Alma Julianty; Dewi Rahmawati; Muhammad Reza; Clariesya Kusumawardani; Yuniar Yuniar
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/xq8sc326

Abstract

The library of SD Negeri 074 Ayudia Bandung faces limitations in spatial organization, circulation, reading facilities, and manual collection management. This study aims to propose an improved library layout and develop a digital dashboard to enhance spatial efficiency, service quality, and accessibility of library information. The research employed direct field observation and an integrated engineering approach based on the IISE Body of Knowledge, particularly System Design and Engineering, Information Engineering, Facilities Engineering and Energy Management, and Engineering Economic Analysis. Activity Relationship Chart (ARC) and Activity Relationship Diagram (ARD) were applied to determine functional relationships and develop the proposed layout, while dashboard development addressed administrative and student information needs. The results produced four functional zones: bookshelf area, main reading corner, admin desk, and creativity corner, supported by a systematic shelf coding system. The admin dashboard records 203 books, 162 available books, 41 borrowed books, and 13 active shelves. The student dashboard facilitates book searches by category, title, author, and shelf location. The estimated supporting investment is IDR 6,110,000. The proposed integration is expected to improve library efficiency, user comfort, service quality, and student literacy.
Perancangan Alat Peniris Serundeng Menggunakan Motor Listrik Untuk Meningkatkan Efisiensi Produksi Pada UMKM Serundeng Rahayu Nuzulia Khoiriyah; Aditya Susilo Widhiharto; Aji Ripki Pauji; Kunni Kafidzatul Ulfiah; Riki Setiawan
Journal of Science, Technology, and Innovation Vol 2 No 1 (2026): : August: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/68h6pn89

Abstract

Serundeng production in small and medium enterprises still faces limitations in the oil-draining stage because conventional methods require long processing times and may affect product quality. This study aims to design an electric-motor-powered serundeng draining machine to improve production efficiency while maintaining product quality and operator usability. The research employed a product design and development approach supported by literature research, field observation, interviews, documentation, and anthropometric analysis. Anthropometric data were collected from 30 adults and evaluated through adequacy, uniformity, and percentile analyses. The design considered production efficiency, product quality, hygiene, reliability, safety, ergonomics, and economic feasibility. The resulting machine consists of an electric motor, frame, stainless-steel container, sieve, drive shaft, bearing, discharge channel, and control panel. Selected anthropometric dimensions included a 66 cm forward hand reach, 77 cm lateral hand reach, 96 cm standing navel height, 3 cm index-finger width, and 7 cm grip width. The final design has dimensions of 80 × 66 × 96 cm and a capacity of 2 kg. The proposed machine provides a practical technological alternative for improving serundeng production efficiency and process consistency in small-scale food enterprises.

Page 13 of 13 | Total Record : 125

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