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All Journal Jurnal Ilmiah Akuntansi dan Humanika APTEKINDO Jurnal Teknik Elektro Universitas Tanjungpura ELKHA : Jurnal Teknik Elektro Research Report - Engineering Science Majalah Ilmiah Matematika Komputer Jurnal Rekayasa Sistem Industri Industrial and Systems Engineering Assessment Journal (INASEA) Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri JURNAL EKONOMI PENDIDIKAN DAN KEWIRAUSAHAAN International Journal of Community Service Learning Jurnal Teknologi Terpadu Edsence: Jurnal Pendidikan Multimedia Kumawula: Jurnal Pengabdian Kepada Masyarakat International Journal of Economics, Business and Accounting Research (IJEBAR) Ideas: Jurnal Pendidikan, Sosial dan Budaya Journal of Vocational Education Studies Jurnal Pendidikan Teknik Bangunan Journal of Social Research JURNAL ABDIMAS PLJ Telecommunications, Computers, and Electricals Engineering Journal Journal of Electrical Engineering, Energy, and Information Technology Journal of Management
Dedy Suryadi
Universitas Katolik Parahyangan
Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Social Sciences Transportation Other

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Design and Evaluation of an Augmented Reality Application for Learning Workshop Tool Recognition Pramudita, Resa; Rohendi, Dedi; Pawinanto, Roer Eka; Rizqulloh, Muhammad Adli; Fauzan, Mochamad Rizal; Suryadi, Dedy; Kuntadi, Iwa
Jurnal Pendidikan Multimedia (Edsence) Volume 6 No 2 (December 2024)
Publisher : Universitas Pendidikan Indonesia (UPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/edsence.v6i2.74815

Abstract

This study aims to design and evaluate an Augmented Reality (AR) application for workshop tool recognition, with a focus on enhancing interactivity and student engagement in technical education. Developed using the ADDIE methodology—Analysis, Design, Development, Implementation, and Evaluation—the application integrates Blender for 3D modelling, Unity for development, and Vuforia for AR tracking. Usability was assessed through the System Usability Scale (SUS), involving 48 students from workshop practicum and Occupational Health and Safety (OHS) courses. The application achieved a SUS score of 50.5, classified as Fair according to the classification by Bangor et al. (2009). Key usability aspects were rated positively, including comfort (4.2), ease of use (4.0), functional integration (3.9), stability (4.1), and ease of learning (4.3). While the study highlights the application's potential as an effective learning tool, limitations include a small, institution-specific sample size. Future research should examine its adaptability in broader educational contexts and assess its impact on student learning outcomes. This study supports the integration of AR in technical education, fostering more interactive, efficient, and Industry 4.0-aligned learning environments.
SISTEM MONITORING REAL TIME SALINITAS AIR DENGAN MENGGUNAKAN TEKNOLOGI LORA (LONG RANGE) GATEWAY Rizki Hakiki, Alif Nur Islam Gemilang; Marpaung, Jannus; Yacoub, Redi Ratiandi; Imansyah, Fitri; Suryadi, Dedy
Journal of Electrical Engineering, Energy, and Information Technology (J3EIT) Vol 10, No 2: Juli 2022
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/j3eit.v10i2.57141

Abstract

Penelitian ini ditujukan untuk mengukur dan menginformasikan kadar zat terlarut pada sumber air yang ada disekitar masyarakat. Karena menurut laman doktersehat.com, air yang baik digunakan untuk minum hanya 500ppm. Oleh karena itu dibangunlah rancangan sistem suatu alat pendeteksi kadar air menggunakan sensor Total Dissolve Solid (TDS) yang sudah dikalibrasi berbasis monitoring yang dapat menampilkan data dengan teknologi Internet of Things (IoT) dan komunikasi wireless yang menjangkau jarak yang sangat jauh, salah satu teknologi tersebut yaitu Transceiver SX1276 atau disebut modul Long Range (LoRa) guna menginformasikannya ke masyarakat sekitar. Teknologi tersebut sudah diuji dengan jarak maksimum 435m pada kondisi Non-Line of Sight (NLOS) dengan nilai rata-rata RSSI adalah -115dBm, SNR adalah -10dB, dan ToA adalah 1,25s dan jarak maksmimum 840m pada kondisi Line of Sight (LOS) dengan nilai RSSI adalah -104dBm, SNR adalah 8dB, dan ToA adalah 1,5s.  
Faktor-Faktor Yang Mempengaruhi Keputusan Perusahaan Melakukan Transfer Pricing Pada Perusahaan Sektor Pertambangan Yang Listing di Bursa Efek Indonesia (BEI) Jatnika, Ika; Hutapea, Lulu Nauli Sonya; Suryadi, Dedy
Jurnal Ilmiah Akuntansi dan Humanika Vol. 14 No. 3 (2024)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jiah.v14i3.86676

Abstract

Tujuan penelitian ini adalah untuk menguji pengaruh tax ratio, tax haven, good corporate governance (GCG), dan tunneling incentive (TNC) terhadap transfer pricing. Penelitian ini menggunakan pendekatan kuantitatif dengan metodologi sebab-akibat (kausal). 15 perusahaan pertambangan yang tercatat di Bursa Efek Indonesia (BEI) tahun 2019-2021 menjadi sampel penelitian ini. Analisa data dilakukan dengan Analisis regresi linier berganda. Menurut temuan yang didapatkan, tax haven, GCG, dan TNC berpengaruh signifikan terhadap transfer pricing. Sementara Tax ratio berpengaruh terhadap Transfer Pricing. Temuan penelitian ini diharapkan dapat memberikan informasi sebagai pertimbangan pembuatan Keputusan bagi pihak-pihak yang berkepentingan tentang sejumlah elemen yang dapat memengaruhi perusahaan menjalankan transfer pricing selama pandemi COVID-19.
Attracting International Students' Interest in Mobility and Advanced Study Programs in Indonesia: Case Study of Malaysian Vocational Education Students Rohendi, Dedi; Kuntadi, Iwa; Suryadi, Dedy; Ana; Muktiarni; Hanapi, Zaliza; Ramadhan, Muhammad Oka; Iskandar, Naufal Nadhif Rabbani
International Journal of Community Service Learning Vol. 8 No. 4 (2024): November
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/ijcsl.v8i4.84809

Abstract

In the context of the global economy, the importance of international exposure for vocational students cannot be overstated. Indonesia, with its abundant educational resources and cultural richness, has yet to tap its potential as a leading destination for international students. This study examines the development and impact of a socialization program to increase Malaysian vocational students’ interest in mobility programs and further study in Indonesia. The participants in this study were university students. Data collection was conducted through an online survey using a pretest and posttest questionnaire instrument. Data were analyzed using the Wilcoxon test to test the hypothesis that there is a significant positive change in student interest and the N-Gain value to determine the magnitude of the increase in interest. The results showed a moderate increase in interest, confirming the important role of prior knowledge and institutional image in the decision-making process. These findings suggest that Indonesian universities need to increase their global visibility through strategic marketing and international collaboration. The implications of this study provide important insights for policymakers, higher education institutions, and other stakeholders in increasing Indonesia’s attractiveness as an educational destination for international students, especially from Malaysia.
INDONESIAN SMEs' ATTITUDE TOWARD INTERNET USAGE AS A PREREQUISITE OF INDUSTRY 4.0 TECHNOLOGY ADOPTION Joseph, Abimana; Suryadi, Dedy
International Journal of Economics, Business and Accounting Research (IJEBAR) Vol 8, No 1 (2024): IJEBAR : Vol. 8, Issue 1, March 2024
Publisher : LPPM ITB AAS INDONESIA (d.h STIE AAS Surakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/ijebar.v8i1.12666

Abstract

Indonesia has been experiencing rapid economic growth over the past few years, driven by small and medium-sized enterprises (SMEs). However, with the advent of Industry 4.0 and the Internet of Things (IoT), SMEs must adopt and embrace new technologies to remain competitive. The changes directed scholars to study the adaptability and impact of those technologies on the organization’s efficiency; however, none has provided the roadmap for Indonesian SMEs to adopt Industry 4.0. Thus, the current research examines the preparedness of Indonesian SMEs’ adaptability to Industry 4.0 by analyzing the impact of SMEs’ capability and pillar enablers to use the internet as a prerequisite for adoption. The research uses secondary data named Sakernas with 215034 respondents. The structural equation modeling model was built based on SMEs’ capability, pillar enabler, and attitude to use the internet and was tested through computer software. The results show that both the SMEs' Capability (Number of Employees, Employee Education Level, and Revenue) and Pillar Enabler (Use of Digital Technology, Training, and Productivity) positively correlate with Internet use in communication and Promotion with a weight of 0.18 and 0.06 respectively while the P-value is below 0.001. Hence, Indonesian SMEs interested in stepping into the Industry 4.0 paradigm must eventually embrace the Internet first and then IoT to build the bridge to implement Industry 4.0.
Entrepreneurship Integration and Digital Technology in Vocational Education Factors Naim, Sultono; Barliana, M Syaom; Aryanti, Tutin; Suryadi, Dedy
Journal of Vocational Education Studies Vol. 8 No. 1 (2025): Vol 8 No 1
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/joves.v8i1.11283

Abstract

There must be an evaluation of new approaches to entrepreneurship in the domain of education in fulfilling the demands of the current era, that is to adapt with the environmental business changes and digital technology that occur in a country. This research aims to study the condition of integration implementation factors in vocational education related to entrepreneurship and digital technology. The method used is quantitative descriptive, including the evaluation research category with data processing and analysis of instrument test such as; validity test, reliability instrument, and then by using Respondent Level Achievement (RLA) technique to analyze the collected data. Research findings of the results and discussions show that the value of variable aspects indicators of vocational education is varied and there tend to be many indicators that still have low value. It indicates that there must be improvement for the school that scores low and development for the school that scores good. The cooperation among schools can become one of alternative solutions to improve the downsides that exist at schools. The schools that score the highest value of aspects/indicators can be best practice for the schools that still have low scores.
PENINGKATAN KAPASITAS UMKM DALAM MENENTUKAN HARGA JUAL PRODUK MELALUI PENDAMPINGAN MANAJEMEN KEUANGAN PADA UMKM DESA WARNASARI, KABUPATEN BANDUNG Dewanti, Yopy Ratna; Suryadi, Dedy; Bahri, Saepul; Solihin, Asep; Hidayat, Achmad
JURNAL ABDIMAS PLJ Vol. 5 No. 1 (2025): JURNAL ABDIMAS PLJ, Juli 2025
Publisher : POLITEKNIK LP3I JAKARTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34127/japlj.v5i1.1622

Abstract

Management is an activity in the form of planning, organizing, directing and controlling as well as decision making to maximize profits. Determining the correct product cost of a product will be able to reduce uncertainly in determining the selling price. Many UMKM actors, especially in Warnasari Village, Bandung Regency with abudant potential, manage their businesses without having basic knowledge and skills regarding good business management and financial management. This activity aims toprovide understanding and knowledge to UMKM actors about the importance of good financial management and to evaluate the determination of product cost for UMKM actors using methods in the form of socialization and training as well as discussions with UMKM actors.
Development Of A Vehicle Routing Problem Model To Reduce Service Delays In Pickup And Delivery Operations Stefhen, Gilbert; Suryadi, Dedy; Iswari, Titi
Journal of Social Research Vol. 4 No. 8 (2025): Journal of Social Research
Publisher : International Journal Labs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55324/josr.v4i7.2683

Abstract

The rapid growth of the e-commerce sector in Indonesia has increased the demand for reliable and timely logistics services. However, challenges such as delayed pickups and deliveries continue to occur, leading to the accumulation of operational penalties. This study aims to develop a mathematical model based on the Vehicle Routing Problem (VRP) that addresses the complexities of modern logistics distribution. The proposed model, named HFMTVRPDPTW (Heterogeneous Fleet Multi-Trip Vehicle Routing Problem with Delivery and Pickup and Time Windows), incorporates five key elements: vehicle capacity, fleet heterogeneity, service time windows, simultaneous pickup and delivery, and multi-trip operations within a single working period. A systematic literature review of twenty-one prior studies was conducted to identify research gaps and inform the model’s development. The model is formulated using an integer linear programming (ILP) approach and aims to optimize service time accuracy while minimizing delays. The findings suggest that this model provides a more comprehensive and realistic approach to distribution challenges and offers an original contribution to the development of adaptive and efficient VRP models for logistics operations.
SUSTAINABLE ENERGY EDUCATION THROUGH IOT-BASED PLTS KIT TRAINING AND MENTORING AT SMAN 3 SINGKAWANG Aula, Abqori; Syaifurrahman, Syaifurrahman; Suryadi, Dedy; Tjahjamooniarsih, Neilcy; Husin, Fitriah
Kumawula: Jurnal Pengabdian Kepada Masyarakat Vol 8, No 2 (2025): Kumawula: Jurnal Pengabdian Kepada Masyarakat
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kumawula.v8i2.58399

Abstract

The integration of Internet of Things (IoT) technology into training and mentoring programs for Photovoltaic Power System (PLTS) kits can significantly enhance the education of renewable energy, particularly in West Kalimantan, Indonesia. The partner in this community service program is State High School 3 of Singkawang City, West Kalimantan. The purpose of this community service is both to educate on the use of IoT for monitoring PLTS kits and to educate high school students about renewable energy. This approach involves classical teaching and hands-on learning, which enables real-time monitoring and data analysis, making it more effective and engaging for students. The method used in this service consists of the preparation stage, the implementation stage, and the evaluation stage. Within the preparation stage, PLTS kits were designed and constructed with an embedded IoT module. The implementation stage involved socialization about new and renewable energy as well as the trend in IoT, followed by hands-on training for participating students using the PLTS kits. There were about 20 students and a couple of accompanying teachers. The results of the evaluation stage show that the student participants were happily thrilled with the hands-on training, and the teachers were satisfied with the mentoring program.Integrasi teknologi Internet of Things (IoT) ke dalam program pelatihan dan pendampingan untuk kit Sistem Tenaga Fotovoltaik (PLTS) dapat secara signifikan meningkatkan pendidikan energi terbarukan, khususnya di Kalimantan Barat, Indonesia. Mitra dalam program pengabdian masyarakat ini adalah SMA Negeri 3 Kota Singkawang, Kalimantan Barat. Tujuan dari pengabdian masyarakat ini adalah untuk mendidik penggunaan IoT untuk memantau kit PLTS dan juga untuk mendidik siswa sekolah menengah tentang energi terbarukan. Pendekatan ini melibatkan pengajaran klasikal dan pembelajaran langsung yang memungkinkan pemantauan waktu nyata, dan analisis data, sehingga lebih efektif dan menarik bagi siswa. Metode yang digunakan dalam layanan ini terdiri dari tahap persiapan, tahap implementasi, dan tahap evaluasi. Dalam tahap persiapan, kit PLTS dirancang dan dibangun dengan modul IoT yang tertanam. Tahap implementasi melibatkan sosialisasi tentang energi baru dan terbarukan serta tren di IoT, diikuti oleh pelatihan langsung bagi siswa yang berpartisipasi menggunakan kit PLTS. Ada sekitar 20 siswa dan beberapa guru pendamping. Hasil tahap evaluasi menunjukkan bahwa para peserta siswa merasa gembira dan gembira dengan pelatihan praktik, sedangkan para guru merasa puas dengan program bimbingan.
Design of Active Analog Subwoofer Crossover Filter Linkwitz Riley 24 in Audio System Hizkia, Dave Adonia; Suryadi, Dedy; Marindani, Elang Derdian
Telecommunications, Computers, and Electricals Engineering Journal (TELECTRICAL) Vol 3, No 2: October 2025
Publisher : Faculty of Engineering, Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/telectrical.v3i2.97440

Abstract

The quality of an audio system is greatly influenced by the accuracy of frequency distribution, especially in the low-frequency range managed by the subwoofer. To achieve optimal separation, this study presents the design and implementation of a fourth-order active analog Linkwitz"“Riley crossover filter (LR24) for subwoofer applications. The LR24 topology was selected for its ability to provide smooth and symmetrical frequency transitions with a 24 dB/octave slope. The research covers filter and preamplifier design, component selection, and performance evaluation using pink noise. Measurements were carried out through spectrogram analysis, frequency spectrum observation, and oscilloscope testing. The resulting filter achieved a cutoff frequency of 126.8 Hz with an attenuation slope of 24 dB/octave at 249.4 Hz, effectively reducing high-frequency signals. Comparative analysis with fourth-order digital Butterworth and Bessel filters on the DBx 260 demonstrated that the proposed analog design delivers competitive performance. This work highlights that an analog LR24 filter built from basic components and general-purpose op-amps can serve as a reliable and cost-effective alternative to digital solutions in low-frequency audio processing, although its performance is still constrained by the limitations of standard op-amps compared to audio-grade devices.
Co-Authors -, Syaifurrahman Abang Razikin Achmad Hidayat ahmad rizal Alfarizi, Pandu Ana Andi, Supratman Andri Setiawan Anismawati, - Aula, Abqori Ayong Hiendro Azhar, Muhammad Reynaldi B Arnold Simangunsong Badie Uddin Badriansyah, M. Cakranegara, Pandu Adi Carles Sitompul Ceicalia Tesavrita Dedi Rohendi Desyandri Desyandri Dewanti, Yopy Ratna Dhahrani, Jasmine Al Elang Derdian Marindani Fauzan, Mochamad Rizal Firdaus, Tomi Fitri Imansyah Gideon Budiyanto Ginanjar, - Hanapi, Zaliza Hari Adianto Hari Adianto Hendri Putra, Agus Tianto Hizkia, Dave Adonia Husin, Fitriah Hutapea, Lulu Nauli Sonya I Ketut Suada Iskandar, Naufal Nadhif Rabbani Iswari, Titi Iwa Kuntadi Jamhir Islami Jannus Marpaung Jatnika, Ika Jekki, - Joseph, Abimana Jovita, Neysa Kusumawardhani, Eka Kuswara, Jaka Lante, Alpianto Noti Mardiani Mardiani Meita, Hikmah Danur Misli, - Mokhamad Syaom Barliana Mufhidin, Amar Muhammad Adli Rizqulloh Muktiarni Naim, Sultono Neilcy Tjahja Mooniarsih Nurlia Padlillah, - Pangalayo, Jhoni David Pindra, Willy Pitri, Putra Aditya Pontia W, F. Trias Pontia W, F.Trias Pramudita, Resa Pratama, Nanta Aprilian Ramadhan, Muhammad Oka Ramadhani, Rizky Ratih Kusumastuti Rezeki, Muhammad Ridho Riantiarto, Angga Riesna Apramilda Ristiawan, Jemi Rizki Hakiki, Alif Nur Islam Gemilang Roby, Edwardus Roer Eka Pawinanto, Roer Eka Rudi Hartono Saepul Bahri Saktiawan, Ferdi Jaya Sani Susanto Setiawan, Geraldy Setiawan, Geri Silaban, Taripar David Siti Maesaroh Solihin, Asep SRI RAHAYU stefhen, Gilbert Sultono, Sultono Syaifur rahman Syaifurrahman Syaifurrahman Tutin Aryanti Wahid, Agus Nur Warman, Adytia YMK Aritonang YMK Aritonang