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All Journal Elkom: Jurnal Elektronika dan Komputer Jurnal Informatika dan Teknik Elektro Terapan Jurnal Sains Teknologi dan Lingkungan (JSTL) Journal of Computer Science and Informatics Engineering (J-Cosine) Jurnal Pengabdian Magister Pendidikan IPA Jurnal Gema Ngabdi International Journal of Engineering and Emerging Technology Syntax Idea Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro Jurnal Abdi Insani International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Journal of Energy and Electrical Engineering (JEEE) Jurnal Teknik Industri Terintegrasi (JUTIN) TIN: TERAPAN INFORMATIKA NUSANTARA JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Journal of Electrical Engineering and Computer (JEECOM) Action Research Literate (ARL) Indonesian Journal of Health Science Sci-Tech Journal Jurnal Bakti Nusa Jurnal Karya Pengabdian Teknik Mesin Jurnal Pepadu Jurnal Indonesia Sosial Sains JEITECH (JOURNAL OF ELECTRICAL ENGINEERING AND INFORMATION TECHNOLOGY) Journal of Electrical Engineering Gotong Royong ELECTROPS : Jurnal Ilmiah Teknik Elektro Jurnal Wicara Desa
I Ketut Wiryajati
Program Studi Teknik Elektro, Fakultas Teknik, Universitas Mataram, Indonesia
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Pengaruh Kombinasi Jumlah Slot Stator - Kutub Magnet Rotor pada Unjuk Kerja Motor BLDC nyoman wahyu satiawan; Ida Bagus Fery Citarsa; I Made Budi Suksmadana; I Ketut Wiryajati
DIELEKTRIKA Vol 13 No 1` (2026): DIELEKTRKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dielektrika.v13i1`.451

Abstract

Pemilihan jumlah slot stator dan jumlah kutub magnet rotor adalah hal yang sangat penting dalam perancangan sebuah motor BLDC karena kedua parameter tersebut secara langsung mempengaruhi performansi elektromagnetik, karakteristik torsi dan efesiensi. Kombinasi slot-kutub yang tidak sesuai dapat memicu peningkatan riak torsi (torgue ripple), coging torsi (cogging torque), rugi-rugi inti maupun rugi-rugi tembaga dan pada akhirnya dapat menurunkan performa dari motor. Paper ini menyelidiki pengaruh jumlah slot dan kutub terhadap unjuk kerja motor BLDC. Penyelidikan dilakukan dengan memodelkan motor BLDC dengan diameter luar stator, lebar airgap dan material magnet yang identik dengan beberapa kombinasi slot-kutub yakni 18/4, 18/8, 18/12 dan 24/22. Hasil investigasi mengkonfirmasi bahwa pertambahan jumlah kutub dari 4, 8 dan 12 pada jumlah slot tetap (18) meningkatkan magnitude, ripple dan coging torsi. Hasil ekperimen juga menemukan bahwa kombinasi slot-kutub (24/22) merupakan kombinasi terbaik dimana ripple torsi dan coging torsi menjadi sangat kecil dan halus. Semantara itu pengaruh kombinasi slot-kutub terhadap rugi-rugi memperlihatkan bahwa pertambahan jumlah kutub meningkatkan rugi-rugi besi dan rugi tembaga karena ketika kutub bertambah maka kecepatan motor akan menurun. Jika kecepatan sinkron menurun (untuk daya yang sama), maka arus akan meningkat sehingga rugi tembaga bisa meningkat pada motor dalam kondisi low-speed high-torque.
The effect of standing working attitude on work fatigue an musculoskeletal complaints in Midang Endek cloth craftsmen Ida Ayu Sri Adnyani; I Ketut Wiryajati
Indonesian Journal of Health Science Vol 6 No 2 (2026)
Publisher : PT WIM Solusi Prima

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54957/ijhs.v6i2.2122

Abstract

Endek woven fabric is one of the artistic treasures of Indonesian culture. One of the processes in the production of woven fabric is the midang process, which involves winding threads onto a loom frame through repetitive layering and stacking of aligned threads. The midang process requires precision, speed, and repetition; the work is monotonous and performed while standing. To produce two to four midang results, artisans require two days. The method used was quantitative descriptive analysis, calculating the percentage (%) of questionnaire results using the Nordic Body Map questionnaire and 30 items of subjective fatigue measured on a four-point Likert scale, averaged from 20 midang artisans. The study results indicate an 83.8% increase in musculoskeletal complaints and a 67.0% increase in work-related fatigue following the work period, indicating that standing work postures affect workers’ conditions. Working in a standing position for prolonged periods on a regular basis can cause foot pain, swelling of the soles, lower back pain, and pain in the neck and shoulders. This can lead to cumulative trauma disorders (CTD). To reduce these issues, short breaks are needed between the morning and afternoon shifts. Short breaks can help minimize complaints while using the midang tool.
SOSIALISASI ENERGI TERBARUKAN KEPADA KELOMPOK TANI DI DUSUN BUANI, DESA BENTEK, KECAMATAN GANGGA, KABUPATEN LOMBOK UTARA Ida Bagus Fery Citarsa; I Ketut Wiryajati; I Nyoman Wahyu Satiawan; I Made Budi Suksmadana; Supriono Supriono; Made Sutha Yadnya; Ida Ayu Sri Adnyani
Jurnal Pepadu Vol 7 No 1 (2026): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v6i3.7860

Abstract

Three key elements are needed to utilize renewable energy within a community: technological readiness, human resource readiness, and data on local energy potential. Human resource readiness can be measured based on the community's knowledge of renewable energy. Similarly, farmer groups, as part of the human resource that requires energy for their activities, both at home and in the workplace, need to prepare themselves with knowledge about renewable energy utilization to meet future needs. ‘Remaja Tani Serba Guna Buani’, one of the farmers group in Buani Hamlet, also needs assistance in preparing itself for renewable energy utilization. This is due to the lower-middle educational background of its members and the lack of sosialization to them. Therefore, sosialization on renewable energy is necessary to help them understand the various types of renewable energy and the potential for renewable energy in their area to support sustainable energy conservation. This activity was carried out in three stages: preparation, implementation, and evaluation. The evaluation revealed that 73.69% of participants answered the questions with a score of "fair to excellent," while 26.31% of participants answered the questions with a score of "very poor to poor." This indicates that the sosialization activities provided understanding to the majority of the farmer group members.
Energy Efficiency and Performance of PMSM Drives in Electric Vehicles under Variable Loads I Ketut Wiryajati; I Made Mara; I Chatur Adhi Wirya Aryadi; Ida Ayu Sri Adnyani
Journal of Electrical Engineering and Computer (JEECOM) Vol 8, No 2 (2026)
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/jeecom.v8i2.16859

Abstract

This study evaluates the performance and energy efficiency of an electric vehicle powertrain based on a Permanent Magnet Synchronous Motor under varying speed and load conditions using a real-time monitoring system. Experiments were conducted at speeds of 10–40 km/h and loads of 50–200 kg, measuring voltage, current, power, efficiency, and specific energy consumption. Results show that efficiency increases significantly from approximately 66% at low speeds to over 90% at higher speeds, while specific energy consumption decreases from 118 Wh/km to around 60 Wh/km, indicating improved energy utilization. Load variation has a relatively minor effect on efficiency but contributes to higher current and power demand. Efficiency gradient analysis reveals a reduced rate of improvement at higher speeds, suggesting saturation effects and the presence of an optimal operating region. Measurement validation confirms low error levels (<5%), ensuring data reliability. Overall, the system demonstrates optimal performance at medium to high speeds with significantly enhanced energy efficiency.
Co-Authors Ade Safitra Adela, Aulia Adhi W.A., I G.A.K. Chatur Adi W, IGAK Catur Agung Budi Muljono Agus Eka Darwinata Akbar, Panji al rafif, muhammad roid Alfandiansyah Muhammad Alhabsyi, Defi Aljibran, Aljibran Amrullah, Topaarana Armansyah, Ismayadi Arofa, Muhammad Satriaji Astuti, Luviana Aulia Adela Ayu Sri Adnyani, Ida Bagas Briantara Putra Wiwaha Bagus S, I Gusti Agung Bagus Widhi Dharma S Baihaki, Ahmad Riki Bianti, Baiq Asri Briantara Putra Wiwaha, Bagas Ch, Syafarudin Cipta Ramadhani Destiarani Djul Fikry Budiman, Djul Fikry Djul Fikry, Budiman Fetrosia, Riska Fitrirayani, Gadis Ariva Gina Maulina, Nur Gunawan M. Idris Hakim, Rosliana Hamzan, Muhammad Abdulloh Harjian, M Rivaldy I Chatur Adhi Wirya Aryadi I G A K Chatur Adhi Wirya Aryadi I G.A.K Chatur Adhi W.A. I G.A.K. Chatur I Gede Bawa Susana I Kade Wiratama, I Kade I Ketut Perdana Putra I Ketut Perdana Putra I Ketut Perdana Putra I Made Ari Nrartha I Made Budi Suksmadana I Made Budi Suksmadana I Made Budi Suksmadana I Made Deny Saputra Adiyas I Made Ginarsa I Made Mara I N Satya Kumara I Nyoman Wahyu S I Nyoman Wahyu Satiawa I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Satiawan I Suksmadana I Wayan Joniarta I Wayan, Joniarta I.A.Sri Adnyani I.M. Mara IB Ferry Citarsa Ida Ayu Dwi Giriantari Ida Ayu Sri Adnyani Ida Ayu Sri Adnyani Ida Bagus Alit Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Citarsa Ida Made Widyatana IDK Okariawan, IDK IN Wahyu Satiawan Islam, Muh Izzul Ismayadi Armansyah Khairul Muamalah Laily, Zahratul Legowo, Suanggoro Lie Jasa Made Budi Suksmadana Made Sutha Yadnya Mekar Sari Melinda Ade Kantari Mohan V. Aware Muh. Izzul Islam Muhamad Aswin Yusrih, Aditama Muhamad Nanang Indrajaya Saputra Muhammad Arif Fitriyono Muladi, Sofian Ichsan Mursidin Syaefa Nababan, Sabar Natrsir, Abdul Natsir, Abdul Ni Made Seniari Ni Made Seniari Ningrat, Lalu Fayadh Rusya Nizar, Fahrun nugraha, gede raka nyoman wahyu satiawan Pebrina, Tria Rizki Perdana Putra, I Ketut Pratama, Sugi Artha Putra, I Ketut Perdana Putri, I Gusti Ayu Siwantrini Utari R.H Sianipar Ramadhani Ramadhani Rasidin, Eka Handika Rismon H. Sianipar Rosliana Hakim Ryan Pratama Sabar Nababan Safitra, Ade Saputra Saputra satiawan, nyoman wahyu Seniari, Ni Made Setiawati, Mita Sianipar21, Rismon H. Sri Hartati Sri Kusmiati Sri Maryati Suanggoro Legowo Suksmadana, I Made Budi sultan Sultan Sultan Sumawarti Sumawarti Supriatna Supriono Supriono Supriono . Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriono Supriyatna Supriyatna Supriyatna Supriyatna Syahfitri, Dian Aulia Tria Rizki Umar, Ahmad Wahyu Satiawan Wahyu Satiawan , I Nyoman Wahyu Satiawan, I Nyoman Wahyuni, Mila Wardatul Annisak Warindi Warindi D Widana, Arya Kusuma Wirya Aryadi, I Gusti Agung Ketut Chatur Adhi Yazid Albuston, Toni