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All Journal Jurnal Rekayasa Mesin Speed - Indonesian Journal on Computer Science Speed - Sentra Penelitian Engineering dan Edukasi REKAYASA Et-Tijarie: Jurnal Hukum dan Bisnis Syariah Jurnal Pengabdian Kepada Masyarakat (Indonesian Journal of Community Engagement) INTEGER: Journal of Information Technology JURNAL DINAMIKA VOKASIONAL TEKNIK MESIN Syntax Literate: Jurnal Ilmiah Indonesia DIKLUS: Jurnal Pendidikan Luar Sekolah Jurnal Nusa Sylva JURNAL PENDIDIKAN TAMBUSAI Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin RISTEK : Jurnal Riset, Inovasi, dan Teknologi Kabupaten Batang Al Yasini : Jurnal Keislaman, Sosial, hukum dan Pendidikan Generation Journal Al-Manhaj: Jurnal Hukum dan Pranata Sosial Islam Jurnal Inovasi Pendidikan dan Sains Innovation in Research of Informatics (INNOVATICS) Instal : Jurnal Komputer Jurnal Riset dan Aplikasi Mahasiswa Informatika (JRAMI) Bulletin of Science Education Abdiformatika: Jurnal Pengabdian Masyarakat Informatika RISTEK: Jurnal Riset, Inovasi dan Teknologi Kabupaten Batang Tsaqofah: Jurnal Penelitian Guru Indonesia Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Journal of Computer Science and Research PARADUTA : Jurnal Ekonomi dan Ilmu-Ilmu Sosial Mawaddah: Jurnal Hukum Keluarga Islam Jurnal Pelita Sriwijaya Power Elektronik : Jurnal Orang Elektro Asian Journal of Social and Humanities Journal of Technology and Computer (JOTECHCOM) Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK) Jurnal Pemberdayaan Masyarakat dan Komunitas Journal of Management, Accounting, and Administration KOMPUTASI
Rudi Hermawan
Program Studi Sistem Informasi Universitas Surakarta
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Double C Clamp : Powerful Solution for High Pressure Air-Fin Cooler Hexagonal Tube Plugs Situmorang, Indra Harapan; Jhonem, Akbar Putra; Hermawan, Rudi; Taufan, Edward Cantona; Zulfajri
Syntax Literate Jurnal Ilmiah Indonesia
Publisher : Syntax Corporation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36418/syntax-literate.v11i4.64191

Abstract

Hydrocracker reliability has a direct effect on refinery margin, product availability, and process safety. This paper presents an industrial case study on the development and implementation of an online leak sealing (OLS) innovation for a leaking hexagonal plug in the fresh feed reactor effluent air cooler (REAC) 211 E-2D at the Hydrocracker Unit (HCU) of PT Pertamina Patra Niaga RU II Dumai. During hydrocracker recovery in April 2023, a leak was detected at plug tube No. 19 Bank D under hydrocarbon service containing 85-90% hydrogen, at approximately 170 kg/cm2 and 150 C. Conventional hot bolting did not stop the leak and plant procedures indicated that shutdown would normally be required. To prevent unscheduled shutdown, a high-pressure double-C clamp combined with OLS was designed, stress-checked, fabricated, and installed onstream. The new design increased clamp pressure capability from the 34 kg/cm2 reference design to 250 kg/cm2 and could accommodate multiple leak points. Post-installation monitoring showed 0% LEL around the leak area, the unit operated normally for more than five months, and a 13-day shutdown was avoided. Operational records indicated margin protection of IDR 1.9 billion and additional protected value from valuable products and HVGO lifting opportunities. The case demonstrates that a properly engineered OLS system can be a practical reliability and safety solution for hydroprocessing air coolers with hexagonal plug leakage.
Feasibility Evaluation of CAM Milling Learning Materials Based on Project-Based Learning Assisted by Inventor CAM Ultimate: A Study of Validity and Practicality Dwi Kurniawan, Elfahmi; Nopriyanti, Nopriyanti; Hermawan, Rudi; Saputra, Ari; Arta, Prandika Dafatriz; Suprayogo, Rangga Satria; Yanti, Putri Indah
JURNAL INOVASI PENDIDIKAN DAN SAINS Vol 7 No 1 (2026): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jips.v7i1.2836

Abstract

This study aims to develop valid and practical CAM Milling instructional materials based on Project-Based Learning (PjBL) and assisted by Inventor CAM Ultimate for the Advanced CAM course. Using the 4D development model—Define, Design, Develop, and Disseminate—the materials were designed to address the lack of CAM-focused resources and provide project-oriented learning experiences. Validation by material and media experts resulted in average scores of 4.29 and 4.56, categorized as very valid. Field trials involving 20 students produced a practicality score of 4.33, indicating very practical use. These results confirm that the developed instructional materials meet the criteria of validity and practicality, making them suitable for mechanical engineering education
Filosofi Pendidikan Tauhid sebagai Fondasi Utama dalam Pendidikan di Pesantren An Nahl Sragen Hamdani, Arfan; Hermawan, Rudi; Mujiburrohman, Mujiburrohman
TSAQOFAH Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/tsaqofah.v5i6.7158

Abstract

This study provides an in-depth examination of the philosophy of tauhid-based education, which serves as the foundational pillar of the educational system at Pesantren An Nahl Sragen. Tauhid education is positioned as the core of all learning processes, character development, and personality formation of the students (santri). A qualitative approach was employed, with data collected through observation, in-depth interviews, and document analysis. The findings reveal that Pesantren An Nahl applies tauhid not merely as a subject of instruction, but as a comprehensive paradigm for thinking, behaving, and acting in daily life. This philosophy is integrated into the curriculum, teaching methods, and moral-spiritual development, creating an educational environment that harmoniously combines creed (akidah), ethics (akhlak), and knowledge. The study affirms that tauhid-based education plays a central role in shaping a generation that is faithful, knowledgeable, and morally upright in accordance with Islamic values.
Jejak Intelektual Al-Khawarizmi: Dari Khwarizm ke Pusat Ilmu Baghdad Hermawan, Rudi; Hamdani, Arfan; Mulyanto, Mulyanto
TSAQOFAH Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/tsaqofah.v5i6.7184

Abstract

Abu Abdullah Muhammad Ibn Musa al-Khawarizmi stands as one of the most influential scholars in the history of Islamic and global civilization, recognized as a pioneer of algebra and a key figure in introducing the Hindu–Arabic numeral system and the concept of the algorithm—foundational to modern information technology. This study provides a descriptive analysis of al-Khawarizmi’s intellectual journey, from his early social and educational background in Khwarizm to his contributions at the Bayt al-Hikmah in Baghdad during the Abbasid Caliphate. At this institution, he not only translated scientific works from various civilizations but also developed original theories in mathematics, astronomy, and geography that had practical societal applications. The findings reveal that al-Khawarizmi exemplified the integration of scientific knowledge, Islamic spiritual values, and a strong scholarly ethic. His systematic, rational, and functional works laid critical foundations for the advancement of science in the West and symbolized the intellectual brilliance of classical Islamic civilization. These insights affirm the strategic role of the Islamic scholarly tradition in shaping the trajectory of global scientific development grounded in universal and humanistic values.
Pandangan Dunia Islam dan Transformasi Digital: Antara Peluang dan Tantangan Hamdani, Arfan; Hermawan, Rudi; Samiran, Muhammad
TSAQOFAH Vol 5 No 6 (2025): NOVEMBER
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/tsaqofah.v5i6.7217

Abstract

The digital transformation era has profoundly reshaped human life, including that of the Muslim community. Within the Islamic worldview (Islam worldview), technology is regarded as a wasilah (means) to fulfill the purpose of human existence as servants and vicegerents of Allah. Therefore, its use must be grounded in the values of tawhid, justice, trustworthiness, and public benefit (maslahah). However, the dominance of secular, materialistic, and liberal values in digital spaces presents serious challenges, such as spiritual disorientation, identity crises, and the marginalization of religious values in digital life. Addressing these challenges requires integrative and sustainable strategies, including the strengthening of Islamic digital literacy, the production of meaningful content, the development of technology aligned with shariah ethics, and collaboration among scholars, educators, technologists, and Muslim communities. This approach aspires to position Muslims not merely as consumers but as key contributors in shaping a healthy, productive, and divinely guided digital ecosystem. Thus, digital transformation becomes a strategic opportunity to reestablish Islam as a rahmatan lil-‘alamin (mercy to all creation) within modern civilization.
STEM-Based CNC Advanced Learning Material: Integration of CNC Milling and Plasma Cutting Using Mastercam for Vocational Education Hermawan, Rudi; Maulidina, Ainun; Herdianto, Yogi; Saputra, Romy; Hafiz Addin, Ahmad; Tara, Median; Oktapiani, Rani
JURNAL INOVASI PENDIDIKAN DAN SAINS Vol 7 No 1 (2026): April
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Nahdlatul Wathan Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51673/jips.v7i1.2834

Abstract

This research aims to develop valid and practical Advanced CNC teaching materials based on Mastercam-assisted STEM for the Advanced CNC course. Using the ADDIE development model Analyze, Design, Develop, Implement, and Evaluate these teaching materials are designed to integrate CNC Milling and Mastercam-assisted Plasma Cutting materials, while enhancing the 4C skills (communication, collaboration, critical thinking, and creativity). Validation by material and media experts yielded average scores of 4.00 and 3.89, respectively, categorized as excellent. A field trial involving 39 students yielded a practicality score of 3.63, indicating excellent/practical usability.For the 4C skills, the communication aspect achieved 82%, collaboration 87%, critical thinking 92%, and creativity 88%. These results confirm that the developed teaching materials meet the criteria for validity and practicality. With a high N-Gain improvement, the teaching materials are proven to be effective in supporting learning oriented towards industry needs and modern manufacturing technology.
Co-Authors Abd. Rasyid Syamsuri Adhy, Dewanto Rosian Adiyono Agus Hikmat Ahmad Musadad Akbar Teguh Prakoso Al Mursyid, Mohammad Irsyad Alfian Alfian Anggara, Mohamad Bayu Apriliani, Erlina Ari Saputra, Ari Arima, Dewi Arista, Ivan Anindito Arta, Prandika Dafatriz Aryanto, Renaldi As'ary, Muhammad Hasyim Ashlihah, Ashlihah Astuti - Bambang Eka Purnama Budi Tjahjono Cantona Taufan, Edward Costa, Anthony Dendy Adanta Dewi Puspita Sari Didik Nur Huda Dwi Kurniawan, Elfahmi Dwi Yulistyanti, Dwi Edi Setiyo Eko Budianto Eko Prasetyo Erlanda Augupta Pane Esti Susiloningsih Faddillah, Rani Desy Fatimah Zahro Fauzi, Ahmad Miftah Fauzi, Alfa Zaidanil Febriyanti, Rachmah Firizal, Harlin Fitriyah Fitriyah Galuh Widitya Qomaro Ghaffar, Nurshofi Gita Kencanawaty, Gita Hafiz Addin, Ahmad Hamdani, Arfan Handayani, Shinta Dwi HARRIS, SOEPARDI Hasan Hariri Heni Pujiastuti Herdianto, Yogi Heri Satria Setiawan Hermudananto, Hermudananto Iman, Dwi Hariyanto Irvan Irvan Jauhari, Mohammad Agitha Jhonem, Akbar Putra Juharsa, Jujun Jumadi Jumadi Kartini, Dewi Khoiriyah, Fitrotul Khoiriyah, Umi Khozinatul Kumala, Siti Ayu Landa, Silvia Anastasia Lapau, Fitri Lazuardi, Muhammad Aldi LILIK BUDIPRASETYO Luthfie, Muhammad marlia, rina Marwani Marwani, Marwani Mashudi Mauhib, Akpil Maulidina, Ainun Ma’sum, Mohamad Meldianto, Efri Mochamad Amri Santosa Mualifah, Leni Muhammad Iqbal Muhammad Yusup Mujiburrohman Mujiburrohman Mulyanto Mulyanto Murianty, Riana Muttaqin Choiri Nahidloh, Shofiyun Nizirwan Anwar Noor, Yudin Wahyudin Nopriyanti Nopriyanti Nur Widiyasono, Nur Nusroh, Alfi Chumidafin Pane, Erlanda Patriana, Ari Pratama, Fitrianto Adi Puspita, Fitriyah Putra Jhonem, Akbar Qardhawi, Youssuf Qomariyah, Laili Nur Rachmadini, Syafira Rahayu, Kadek Ridoi Rajahasta, Patih Ramadhan, Anugrah Agung Ramadhan, Muhammad Rizki Rani Oktapiani Rijal, Muhammad Amiru Rosada, Nyataku Ibnu Rosian Adhy, Dewanto Rosyiidah, Afifah Al Rosyiidah, Afiifah Al ROUDATUL JANNAH Rudi Hermawan, Adiyono, S. Siburian, Ramli Safitri, Mazda Leva Okta Samiran, Muhammad Saputra, M. A. Ade Saputra, Romy Saputra, Suranto Sari, Hilda Asyifa Sarif, Muhammad Irfan Septian, Muhammad Siska Iriani Sitepu, Andri Ismail Siti Maesaroh Siti Rohimah Situmorang, Indra Harapan Subando, Joko - Sudrajat Sudrajat Suhendar, Asep Sukadi . Sukoyo, Kuntari Sri Suprayogo, Rangga Satria Suteja, Ade Guna Sutrisno, Sutrisno syofii, imam Tara, Median Tarigan, Masmur Taufan, Edward Cantona Titiek Setyawati Valentino, V.H. Wadirin, Wadirin Wahyudinnor, Yudin Wijaya, Ikhlasul Amal Wijaya, Rian Farta Yadi, Farhan Yanti, Putri Indah Yeasy Agustina Sari, Yeasy Agustina Zulfajri , Zulfajri Zulfajri, Zulfajri Zulkifli, Miranti Triana