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All Journal Elkom: Jurnal Elektronika dan Komputer Dinamika : Jurnal Teknik Mesin FLYWHEEL : Jurnal Teknik Mesin Untirta Teknika: Jurnal Sains dan Teknologi MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering Accurate: Journal of Mechanical Engineering and Science Jurnal Vokasi Mekanika Research Journal of Social Economics Empowerment (ROSEE)
Halim, Dimas Ardiansyah
Akademi Teknik Wacana Manunggal Semarang
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Optimisasi Whisper Speech-to-Text Bahasa Indonesia dengan Hybrid Cloud dan Multi-Engine Ikhwan Alfath Nurul Fathony; Affix Mareta; Beta Estri Adiana; Olivia Wardhani; Dimas Ardiansyah Halim
Elkom: Jurnal Elektronika dan Komputer Vol. 18 No. 1 (2025): Juli : Jurnal Elektronika dan Komputer
Publisher : STEKOM PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/5n2d3s08

Abstract

Automatic Speech Recognition (ASR) for the Indonesian language faces significant challenges due to high Word Error Rate (WER), especially when using pre-trained models without fine-tuning. This study develops an optimized ASR system using a hybrid cloud architecture that integrates the Faster-Whisper large-v3 engine with advanced audio preprocessing techniques. The system adopts a distributed architecture, with Google Colab (Tesla T4, 15GB VRAM) as the GPU server and Ubuntu 22.04 LTS (8 core, 32GB RAM) as the client. Evaluation was conducted on five Indonesian audio samples covering formal news, informal conversations, and long-duration recordings. The system achieved an 80% success rate in processing, with WER ranging from 27.69% (formal news) to 645.16% (informal conversations). Resource utilization was also efficient, with 21.3% GPU usage and 35.4% RAM usage. Processing time remained stable for normal-sized files but experienced timeouts on large files (>50MB). The results indicate that hybrid cloud architecture is feasible for distributed ASR processing in Indonesian, with several areas still open for optimization toward production deployment.
Design of Universal Jig for Standardization and Efficiency of Frame Production Chopper Motorcycle Halim, Dimas Ardiansyah; Murdiono, Mohamad Bimo; Suparno, Joko; Aziizudin, Achmad; Purnomo, Agung; S, Arbye; Yogiswara, Cahyo Wibi; Putra, Setya Drana Harry
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 11, No 2 (2025): October
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v11i2.28487

Abstract

Chopper motorcycle frames had a fierce and macho impression on users. The frame was characterized by high handlebars, long front legs and a low seat. Chopper motorcycles were suitable for casual riding. Therefore, the Chopper frame must be specially designed or custom-made. Making the frame required a jig to maintain precision and dimensional accuracy in accordance with the original frame. Making a universal jig allowed craftsmen to make Chopper frames according to market demand without leaving the center balance on the frame. The jig manufacturing process included material selection, measurement, material cutting, machining, jig calibration, jig assembly, welding, checking and finishing. The welding process used argon TIG welding. The use of the jig shortened the frame manufacturing time by 2 times faster and minimizes wasted frame material due to dimensional errors.
Pembuatan Sumur Resapan untuk Penanggulangan Banjir di Salatiga Sumbogo, Yuliarto Joko; Halim, Dimas Ardiansyah; Suparno, Joko; Prasetyawati, Erlina
Research Journal of Social Economics Empowerment Vol. 1 No. 1 (2025): February 2025
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/rosee.v1i1.2420

Abstract

Perubahan cuaca ekstrem yang menyebabkan kekurangan air pada musim kemarau dan banjir pada musim hujan telah menjadi masalah lingkungan yang signifikan. Selain itu, rendahnya kemampuan tanah, terutama di kawasan perumahan dan gedung perkantoran, dalam meresap air hujan semakin memperburuk keadaan. Salah satu solusi untuk mengatasi masalah ini adalah pembangunan sumur resapan, yang berfungsi menampung air hujan dan memungkinkan air meresap ke dalam tanah. Penelitian ini bertujuan untuk mengatasi masalah banjir dan meningkatkan daya serap air ke dalam tanah melalui pembuatan sumur resapan di wilayah Salatiga. Metode pelaksanaan meliputi pembuatan sumur resapan dengan berbagai konstruksi, seperti sumur tanpa pasangan di dinding, sumur dengan batu bata atau batu kali, serta sumur dengan dinding besi beton atau blawong, yang disesuaikan dengan kondisi tanah. Hasil dari program ini menunjukkan bahwa sumur resapan efektif mengurangi aliran permukaan, mengatasi banjir, mengisi ulang cadangan air tanah, serta mencegah erosi dan pencemaran air tanah. Selain itu, sumur resapan juga dapat mengurangi beban pada sistem drainase kota. Kesimpulannya, pembangunan sumur resapan merupakan solusi yang efektif dalam pengelolaan air hujan, yang dapat mengurangi dampak banjir, meningkatkan kualitas air tanah, serta menjaga keseimbangan ekosistem di wilayah perkotaan.
Co-Authors 'Ayyasy, Zaghlul Achmad Aziizudin Adyan, Muhammad Ariq Agung Purnomo Aly Rizki Ramadhan Anugerah Bima Wijaya Anwar Nurharyanto Anwar Nurharyanto Arbye S Augustinus Sujono Bana Handaga Beta Estri Adiana Didik D Susilo Dwi Aji Saputra Eko Surojo Fahrul Budiawan Ikhwan Alfath Nurul Fathony Joko Suparno Kautzar Rizki Diptaseptian Mareta, Affix Marwan Effendy Muhammad Syahrul Sidiq Mukhlis Ibrahim Murdiono, Mohamad Bimo Olivia Wardhani Prasetyawati, Erlina Purnomo, Agung Putra, Setya Drana Harry Putra, Setya Drana Harry Ratih Ratna Suminar Riawan, Anang Sumbogo, Yuliarto Joko Suparno, Joko Suparno, Joko Unggul Satria Jati Widi Achmad Sukisno, Sulis Wijaya, Anugerah Bima Yogiswara, Cahyo Wibi