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All Journal Jurnal Kompetensi Teknik Jurnal Bahan Alam Terbarukan Jurnal Pendidikan Teknik Mesin Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran Sainteknol : Jurnal Sains dan Teknologi Rekayasa Mesin Jurnal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology Journal of Mechanical Engineering Learning Jurnal Teknik Mesin Indonesia Infotekmesin Jurnal Penelitian Pendidikan Indonesia Journal of Vocational and Career Education Jurnal Pendidikan dan Teknologi Indonesia Abdi Teknoyasa Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Advance Sustainable Science, Engineering and Technology (ASSET) Jurnal Penelitian Pendidikan Journal of Vocational and Career Education Jurnal Bahan Alam Terbarukan J-Proteksion : Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Jurnal Puruhita
Samsudin Anis
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Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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AI-Assisted Scientific Writing Training to Enhance the Professional Competence of Madrasah Teachers Sita Nurmasitah; Adhi Kusumastuti; Samsudin Anis; Aryo Baskoro Utomo; Godham Eko Saputro
Jurnal Puruhita Vol. 7 No. 1 (2025)
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/puruhita.v7i1.37390

Abstract

The AI-assisted scientific writing training was implemented as a community service program to enhance the professional competence of madrasah teachers in the digital era. This activity aimed to equip teachers with the skills to write scientific articles, classroom action research reports, and best practice papers using artificial intelligence (AI) applications such as ChatGPT, Grammarly, QuillBot, and Mendeley. The training was conducted through hands-on practice and online mentoring using an experiential learning approach that emphasized real-world writing experiences. A total of 30 madrasah teachers participated in the program, which consisted of a pre-test, training sessions, writing practice, and a post-test. The results showed an average score improvement of 37%, particularly in aspects of writing structure, paragraph cohesion, academic language use, and reference management. Participants also demonstrated high enthusiasm and began developing independent scientific works for publication purposes. This activity proved that AI-based writing training effectively enhances teachers’ academic productivity and strengthens digital literacy as part of continuous professional development. 
Physical and Chemical Characteristics of Bio-Oil From Pyrolysis of Moringa Oleifera Seeds Using Microwave Technology Abram Puspa Pramudita; samsudin anis; Wahyudi; Fitriyana, Deni Fajar; Halim, Sonika Maulana; Sukarni
Jurnal Bahan Alam Terbarukan Vol. 14 No. 2 (2025): December 2025 [Nationally Accredited Sinta 3]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v14i2.29284

Abstract

This research aims to assess the potential of bio-oil from Moringa oleifera seeds through the analysis of physical and chemical characteristics resulting from the pyrolysis process. Raw materials in the form of Moringa oleifera seed powder were pyrolyzed at 400°C using a microwave reactor. To create oxygen free pyrolysis conditions, nitrogen gas was constantly flowed into the system at a rate of 0.15 NL/min. The process temperature was monitored using a K-type thermocouple, and the reaction was stopped when condensed vapor output was no longer observed. The pyrolysis products in the form of bio-oil and bio-char were then collected and weighed to determine the product fraction. Furthermore, the bio-oil was analyzed to determine its physical and chemical properties, including density, pH, and an indication of its constituent compound components. The results showed that pyrolysis under these conditions produced a dominant amount of bio-char (54.3%) and bio-oil of 24.7% of the total weight. The bio-oil obtained had a high density, in the range of 0.97-1.00 g/cm³, with a relatively acidic pH of 4.5-5.5. Although the bio-oil yield is not high, its complex chemical properties, particularly the content of phenolic compounds, nitriles, and amides, show great potential to be developed as a valuable bio-chemical base material such as antioxidants, biophenols, resins, and bioplastic raw materials. These findings strengthen the prospect of Moringa oleifera seeds as a strategic local biomass for sustainable bioindustry.
EVALUATION OF THE PHYSICAL AND CHEMICAL PROPERTIES OF BIO-CHAR DERIVED FROM THE PYROLYSIS OF MORINGA OLEIFERA SEEDS Muhammad Ziddun Ni’am; Wahyudi; Fitriyana, Deni Fajar; Sonika Maulana; Sukarni; Samsudin Anis
Jurnal Bahan Alam Terbarukan Vol. 14 No. 2 (2025): December 2025 [Nationally Accredited Sinta 3]
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jbat.v14i2.29285

Abstract

This study aims to assess the potential of bio-char derived from Moringa oleifera seeds through an evaluation of its physical and chemical properties. Moringa oleifera seeds were processed into fine powder, dried, and then subjected to pyrolysis at 400°C using a microwave reactor. Nitrogen gas was introduced before and during the pyrolysis process to create a low-oxygen environment. The pyrolysis continued until no more condensable vapors were detected, indicating that the thermal decomposition process had reached completion. The resulting bio-char was collected and analyzed to determine its physical and chemical characteristics, including proximate analysis (moisture content, ash content, volatile matter, and fixed carbon), calorific value, and density. The results showed that the bio-char from Moringa oleifera seed powder had a very high fixed carbon content of 79.13% and low volatile matter. The calorific value reached 25.04 MJ/kg, which is comparable to that of low-rank coal. Additionally, the bio-char had a density of 0.905 g/cm³, which is relatively high compared to most biomass-derived bio-chars. These characteristics indicate that bio-char from Moringa oleifera seeds holds significant potential for use as a solid fuel in the form of briquettes or pellets, as a biomass energy source, and as a long-term carbon storage medium for climate change mitigation.
Development of Interactive Learning Media Using Genially to Improve Cognitive Ability in Batik Design Learning Rizqiyah, Agita Ainur; Wahyuningsih, Sri Endah; Anis, Samsudin
Jurnal Penelitian Pendidikan Vol. 43 No. 1 (2026): April 2026
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpp.v43i1.42609

Abstract

Learning batik motif design at Vocational High Schools requires learning media that can facilitate conceptual understanding visually and interactively in accordance with students’ characteristics. However, the use of interactive learning media that supports the​ improvement of students’cognitive abilities at SMKN 3 Pekalongan is still limited. This study aims to develop interactive learning media using Genially and to analyze its effectiveness in improving students’ cognitive abilities in traditional and contemporary batik elements at SMKN 3 Pekalongan. This study employed a Research and Development (R&D) method using the ADDIE model. The research subjects consisted of 61 eleventh-grade KKBT students, who were divided into an experimental class and a control class to examine the effectiveness of the developed learning media. The efectiveness test showed an increase in the learning outcomes in the experimental class from 74.45 to 89.55, with N-gain value 0.657 (moderate category), while the control class obtained an N-gain of 0.21 (low category). The Independent Sample Test results indicated a significant difference in learning outcomes between the experimental class and the control class. Therefore, the Genially-based interactive learning media is declared feasible, practical, and effective for use in learning.
Analisis Pengaruh Engine Temperature Terhadap Laju Konsumsi Bahan Bakar Mobil Hemat Energi Kategori Urban Etanol Laroybafih, Muhammad Bagus; Anis, Samsudin; Nuril, Miftakhun; Huda, Fitroh Miftahul; Nurhidayat, Akhlis Rahman Sari; Laksana, Nur Akhlis Sarihidaya
Infotekmesin Vol 17 No 1 (2026): Infotekmesin: Januari 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v17i1.2976

Abstract

A crucial global issue is the world's dependence on fossil fuels as its primary energy source. An alternative solution to this problem is to use fuels such as ethanol. Using ethanol as fuel requires comprehensive optimization of the vehicle system, including the engine's temperature control. This research aims to determine the effect of engine operating temperature variations on fuel efficiency thru 4 engine temperature variations: 70, 80, 90, and 100 degrees Celsius, using two approaches: static and dynamic. The test results show that engine temperature affects fuel consumption and engine operating stability. Based on the experiments conducted, it was concluded that a temperature of 90°C is the most optimal working temperature, with an increase of 9.91% in static testing and 14.74% in dynamic testing (compared to the temperature with the lowest efficiency). It can be concluded that 90°C is recommended as the optimal working temperature for ethanol engines in the development of energy-efficient vehicles.
Analisis Pengaruh Laju Aliran Fluida terhadap Perpindahan Panas dan Penurunan Tekanan Pada Pipa Heliks Dendy, Dendy Prayoga; M. Hilman Gumelar Syafei; Illa Rizianiza; Samsudin Anis; Ahmad Indra Siswantara
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 2 (2026): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i2.3946

Abstract

Penelitian ini bertujuan untuk menganalisis hubungan antara laju aliran fluida terhadap parameter perpindahan panas dan penurunan tekanan pada sistem pipa heliks. Metode eksperimen dilakukan dengan pengamatan 23 titik waktu dalam satuan detik, menggunakan alat sensor suhu dan tekanan. Hasil menunjukkan bahwa Nilai 1 meningkat dari 12,47 hingga 87,33, sedangkan Nilai 2 mencapai puncaknya di 100 sebelum mengalami penurunan. Penurunan tekanan dihitung sebesar 6 psi menggunakan persamaan Darcy–Weisbach. Data grafik menunjukkan adanya zona linier dan zona jenuh, mencerminkan keterbatasan respons sistem sensor saat beban termal meningkat. Temuan ini menunjukkan bahwa hubungan input-output tidak selalu linear dan sistem memiliki batas performa tertentu yang perlu dikendalikan
Analisis Kinerja Alat Pemotong Briket Otomatis Berbasis Sistem Pneumatika Dwijanarko, Fariz; Anis, Samsudin; Fitriyana, Deni Fajar; Fahrezi, Irgi
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 2 (2026): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i2.3953

Abstract

Pertumbuhan jumlah penduduk di Indonesia yang terus meningkat berdampak pada semakin menipisnya ketersediaan bahan bakar fosil. Seiring dengan kondisi tersebut, pengembangan sumber energi alternatif pun semakin berkembang, salah satunya adalah briket biomassa. Briket biomassa merupakan salah satu bentuk energi terbarukan yang dapat dimanfaatkan sebagai pengganti bahan bakar minyak. Namun demikian, proses produksi briket biomassa umumnya masih dilakukan secara manual karena penelitian dan pengembangan terhadap alat pemotong briket otomatis masih terbatas. Beberapa studi sebelumnya telah merancang alat pemotong briket otomatis berbasis mikrokontroler Arduino  dengan tingkat konsistensi sebesar 77,5% hingga 90,7%. Penelitian ini bertujuan untuk menganalisis kinerja serta mengembangkan alat pemotong briket otomatis berbasis sistem pneumatika dengan variasi kadar air pada adonan briket sebagai variabel. Parameter yang dikaji meliputi tingkat konsistensi dan produktivitas alat pemotong briket otomatis tersebut. Hasil pengujian menunjukkan bahwa konsistensi tertinggi sebesar 91,6% dan produktivitas sebesar 68,1% diperoleh pada pengujian ketiga dengan kadar air adonan sebesar 46,9%. Kinerja alat ini masih dapat ditingkatkan melalui penyesuaian kecepatan pada mesin screw extruder, modifikasi pada bidang miring tempat jatuhnya briket, serta optimalisasi bahan campuran adonan briket.
Rancang Bangun Alat Uji Makro TGA menggunakan Oven Microwave Rozaq Akbar, Hilal; Samsudin Anis; Ibadurrohman Muhammad Taqy
J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Vol. 10 No. 2 (2026): J-Proteksion
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/jp.v10i2.3986

Abstract

Abstrak Penelitian ini bertujuan untuk merancang dan merealisasikan alat uji Macro Thermogravimetric analysis (TGA) berbasis oven microwave sebagai solusi alternatif terhadap alat TGA konvensional yang mahal dan kompleks. Alat ini mengintegrasikan komponen utama seperti oven microwave termodifikasi, sensor suhu thermocouple tipe K, load cell digital, dan mikrokontroler Arduino Mega 2560, yang mampu memantau perubahan suhu dan massa secara real-time. Proses perancangan menggunakan pendekatan metode Pahl and Beitz yang meliputi tahap perencanaan spesifikasi, perancangan konseptual, perancangan bodi, hingga pembuatan prototipe. Hasil pengujian menunjukkan bahwa alat ini mampu mereproduksi kurva termogravimetri dengan akurasi tinggi, stabilitas suhu <±5°C, serta kehilangan massa yang terukur presisi hingga 84,20% pada suhu 425°C. Desain ini terbukti efisien, ekonomis, dan layak diaplikasikan dalam pendidikan teknik, praktikum mahasiswa, serta riset awal berbasis proyek mandiri.
Co-Authors - Basyirun - Soedartono A. P. Bayuseno Abdul Aziz Abram Puspa Pramudita Achmad Erlangga Bintang Samodra Adhi Kusumastuti Afindala, Ajib Agus Prasetyo Agustinus Purna Irawan Ahmad Indra Siswantara Ahmad, Aminullah Ahmad, Aminullah Al Ichlas Imran Aldias Bahatmaka Anas, Fahrudin Anwar Johari Ar Rasyid, Moh. Rizal Ardhianto, Mochamad Marte Aryo Baskoro Utomo Atika Atika Azhari, Wildan  Budiandono, Galuh Nur Cholifah, Ayu Cionita, Tezara Danang, Setio Wardana Dendy, Dendy Prayoga Desyandri Desyandri Djuniadi Djuniadi Dwi Widjanarko Dwi Wijanarko Dwijanarko, Fariz Eko Supraptono Faadhil, Muhammad Faadhil, Muhammad Fahira, Jian Fahrezi, Irgi Faridah Nur Amalina Feddy Setio Pribadi Fitriyana, Deni Fajar Godham Eko Saputro Gustomo, Gigih Halim, Sonika Maulana Heri Yudiono Hidayatulloh, Choirul Fatah Hilal Rozaq Akbar Huda, Fitroh Miftahul I Made Sudana Ibadurrohman Muhammad Taqy Illa Rizianiza Iman Taka, Buyung Imran, Al Ichlas Indarsih, Fitria Retno Januar Parlaungan Siregar Jefri Bale Junaedi, Thomas Kalatharan, Sujentheran Nair Kamis, Arasinah Karnowo - Khoiron, Ahmad Mustamil Kuntoro, Tri Laroybafih, Muhammad Bagus Latifah, Ana M Burhan R M. Hilman Gumelar Syafei M. Thooriq Anwar Maftukin, M Maftukin, M. Manalu, Janviter Marlangen, Retno Maryanto, Luthfi Eka Maryanto, Luthfi Eka Masugino Moch. Taufiq Ichsan Mochamad Marte Ardhianto Mochammad Marte Ardianto Mufid, Faishal Muhammad Afrizal Muhammad Khumaedi Muhammad Ziddun Ni’am Mustikawati, Diana Langgeng Najibulloh, Gunawan Muhammad Najibulloh, Gunawan Muhammad Nandang Mufti Natalino Fonseca Da Silva Guterres Na’am, Fakhrihun Ninda Kurniadi Nisriinaa, Choirun Noor Hudallah Novitasari, Neny Nugroho, Rizky Fajar Nur Aini, Intan Nur Akhlis Sarihidaya Laksana, Nur Akhlis Sarihidaya Nur Qudus Nurhidayat, Akhlis Rahman Sari Nuril, Miftakhun P Pramono Pangestu, Pulih Phusavat, Kongkiti Pratiwi, Wikanti Prayogo, Wisnu Priyantama, Rifqi Dwi Priyatna, Bambang Sugeng Puspitasari, Windy Desti Putra, Naufal Bahy Rahmagandi, Irma Oktariamlati Rahmat Doni Widodo Rini Kusumawardani, Rini Risky Ismail Rizqi Fitri Naryanto Rizqiyah, Agita Ainur Rosidah Rosidah Rozanna Dewi Rozaq Akbar, Hilal Rr. Poppy Puspitasari Rubai Wijaya, Burhan Rusdarti - Rusiyanto Rusiyanto, Rusiyanto Sardi Sardi SATRIA, ANAS Septian Eko Cahyanto Shofi, Amalia Siregar, Januar Parlaungan Sita Nurmasitah Sonika Maulana Sonika Maulana Sri Endah Wahyuningsih Sugiarto, Dedi Suharno, Muhamad Sukarni Sukarni Sukarni Sunarto Sunarto Suprayogi, Sidiq Suryani, Titin Sus Widayani, Sus Susanto Susanto Suwandi, Fakhri Fauzi Syamsiar, Syamsiar Tamamudin, Mukhammad Taqy, Ibadurrohman Muhammad Tezara Cionita Titin Agustina Triyanto, Sandy Ulfah Mediaty Arief Utomo, Okky Husnan Arya Vidiyanto, Bagus Prabowo WAHYUDI Wibowo, Salvo Eka Wicaksana, Yazid Surya Widya Aryadi Wijayanto, Etanto Heiliano Wildan  Azhari Wisnu Prayogo Yahya Zakaria Yeri Sutopo Yuris Setyoadi Zaenal Abidin Zainal, Z. A.