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All Journal Lontar Komputer: Jurnal Ilmiah Teknologi Informasi Jurnal Sains Teknologi dan Lingkungan (JSTL) Journal of Computer Science and Informatics Engineering (J-Cosine) Dielektrika : Jurnal Ilmiah Kajian Teori dan Aplikasi Teknik Elektro International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Jurnal Pepadu Journal of Electrical Engineering
I Made Budi Suksmadana
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Religion Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Public Health Social Sciences

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PERANCANGAN ALAT PENDETEKSI KADAR ALKOHOL DAN ASAP ROKOK PADA NAFAS MANUSIA Muhammad Haris; I Made Budi Suksmadana; Syafarudin Ch.
DIELEKTRIKA Vol 4 No 1 (2017): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (362.364 KB)

Abstract

Alcohol and carbon monoxide are very dangerous for human’s body. The effect of consuming alcohol can make us queasy and disfunction of our neural and brain. Them also happened when carbon monoxide was sniffed by our body, it also may cause heart attack etc. The censor to detect the content of alcohol is MQ-3, and MQ-2 is used to detect the content of CO. This research measures the content of alcohol by the BAC (Blood Alcohol Calculator) method while the smoke uses percentage of CO content. The instrument uses MQ-3 and MQ-2 censors with arduino control to get the data, then it will be transferred by bluetooth (HC-05) into smart phone to see the data’s from the censors. Appmitinvertor program is used in the smart phone. Result of measurement is the instrument can work to get the content of alcohol and smokes. The instrument is used equation of order 3 for the alcohol and equation of order 2 for the smokes (CO). Average error for the alcohol is 4,08% and 0,02% for the smokes.
Rancang Bangun Interface untuk Visualisasi Kecepatan dan Suhu Motor DC Shunt Berbeban Sebagai Modul Praktikum di Laboratorium Sistem Tenaga I Made Ari Nrartha; Sultan .; Agung Budi Muljono; I Made Budi Suksmadana
DIELEKTRIKA Vol 1 No 2 (2014): DIELEKTRIKA
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Mataram

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Abstract

DC shunt motor banyak digunakan dalam industri karena kemudahan dalam operasi, regulasi kecepatan dan kerugian daya yang relatif lebih rendah dibanding motor AC. DC shunt motor juga digunakan sebagai salah satu modul praktikum di laboratorium sistem tenaga. Pengukuran kecepatan DC motor shunt pada modul menggunakan alat ukur analog/digital. Alat ukur tersebut hanya dapat memberikan informasi kondisi steady state hasil pengukuran. Rele termal dari motor digunakan sebagai perlindungan tanpa diketahui suhu dari motor. Visualisasi pengukuran dibutuhkan untuk mendapatkan informasi lebih lanjut, seperti kondisi transien. Visualisasi dapat diperoleh melalui komputer grafis sehingga diperlukan interface untuk menyampaikan informasi hasil pengukuran tersebut ke komputer. Informasi kecepatan dengan tachogenerator dan suhu dengan sensor suhu dapat diteruskan oleh interface (ADC) ke komputer melalui port serial. Validasi hasil interface dengan pengukuran alat ukur analog/ digital diperoleh tingkat kesalahan rata-rata 3,65 % untuk kecepatan dan 8,0 % untuk suhu. Penambahan beban pada motor mengakibatkan penurunan kecepatan. Suhu cenderung meningkat sejalan dengan lama operasi dari motor. Waktu transien kecepatan minimum ketika motor dimatikan pada saat beban berat dan maksimum ketika tiba-tiba ada tambahan beban yang kecil.
Improved Modulation Methods of the Dual-inverter Fed Open-end Winding Three-phase Motor Drives with Equal DC-link Voltage Satiawan, I Nyoman Wahyu; Ida Bagus Fery Citarsa; Warindi; I Ketut Wiryajati; Supriono; Ni Made Seniari; I Made Budi Suksmadana
International Journal of Electrical, Energy and Power System Engineering Vol. 5 No. 3 (2022): The International Journal of Electrical, Energy and Power System Engineering (I
Publisher : Electrical Engineering Department, Faculty of Engineering, Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/ijeepse.5.3.93-98

Abstract

This paper investigates PWM method for the dual-inverter fed open end winding three-phase induction motor drives. This is aimed to improve the quality of the output voltage as well as to enhance the motor performance by solving the drawback of the PWM method. The proposed PWM method operates two inverters in different technique, i.e one inverter operates in square wave mode (slow switching) and one inverter in PWM mode (fast switching). Although the PWM method can improve the quality of the inverter output voltage over the two-level inverter output, the proposed PWM method causes an excessive ripple in both torque and stator current especially at the transient period. The drawback is solved by applying a new switching strategy that manage the inverter switches operate in turn between slow switching and fast switching in one circle of operation. The proposed method is verified via simulation. The result shows that the quality of output voltages improves for all modulation indices in comparison with two-level inverter. Furthermore, torque ripple is reduced, and current ripple are improved as the current waveform is enhanced to be more symmetrical.
Metoda Kombinasi Modulasi Pergeseran Tingkat Lebar Pulsa dengan Variabel Frekuensi Pembawa Pada Inverter Model Jembatan: Combination Method Of Level Shift Pulse Width Modulation With Carrier Frequency Variables On A Bridge Model Inverter Wiryajati, I Ketut; I Nyoman Wahyu Satiawan; Ida Bagus Fery Citarsa; I Made Budi Suksmadana; Supriono
Journal of Computer Science and Informatics Engineering (J-Cosine) Vol 8 No 1 (2024): Juni 2024
Publisher : Informatics Engineering Dept., Faculty of Engineering, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jcosine.v8i1.595

Abstract

Switching is very important in energy conversion systems. The conversion process requires a good and reliable method. This research identifies methods or techniques for pulse width modulation. This technique proposes a new model of modulation technique, namely by combining level shifted modulation techniques, and adjusting the frequency in such a way that it produces a signal that suits the inverter's needs. The inverter tested in this research is an inverter with a bridge model configuration. The proposed research and methods were verified using MATLAB and Simulink software. The results obtained are the ratio of total harmonic distortion (THD) are 25.07%, 76, 66% and 9.183%, respectively
Quadratic Polynomial-Based APSD PWM Technique for Dual Three-Phase Inverters Wiryajati, I Ketut; Wahyu Satiawan; I Made Budi Suksmadana; Ida Bagus Fery Citarsa; Supriono
Journal of Electrical Engineering Vol. 1 No. 4 (2025): January
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jte.v1i4.3957

Abstract

Three-phase inverters are widely used in industrial applications, including motor drives, renewable energy systems, and electric vehicles. One significant issue in these systems is harmonic distortion, which lowers power efficiency and degrades output voltage quality. To address this, the study proposes a quadratic polynomial fitting technique to optimize Pulse Width Modulation (PWM) signals, aiming to reduce harmonics and improve power quality. This research focuses on a dual three-phase inverter configuration, which provides better current distribution, reduced power losses, and increased resilience to electrical disturbances. The use of quadratic polynomial fitting allows for more precise PWM waveform generation, resulting in lower Total Harmonic Distortion (THDi). The methodology involves mathematical modeling, simulation using MATLAB/Simulink, and experimental validation with a prototype inverter. Results indicate that the technique significantly reduces THDi, especially at optimal modulation indices. Additionally, implementing an LC filter further improves harmonic suppression, producing a cleaner and more stable output. This approach enhances power conversion performance and is highly suitable for industrial and renewable energy applications where efficiency and power quality are critical
PENYULUHAN PENGGUNAAN LISTRIK RUMAH TANGGA SECARA AMAN DAN HEMAT DI DUSUN CEMARA, DESA LEMBAR SELATAN, KECAMATAN LEMBAR, KABUPATEN LOMBOK BARAT Citarsa, Ida Bagus Fery; I Ketut Wiryajati; I Nyoman Wahyu Satiawan; I Made Budi Suksmadana; Supriono; Cipta Ramadhani
Jurnal Pepadu Vol 5 No 1 (2024): Jurnal Pepadu
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/pepadu.v5i1.4011

Abstract

Many people do not understand how to use household electricity safely and economically. The above problems are also experienced by residents in Cemare Hamlet, Lembar Selatan Village, Lembar District, Lombok Barat Regency. To overcome this problem, the solution offered to the residents of Cemare Hamlet is to carry out counselling regarding this matter. This counseling will enable the residents of Cemare Hamlet to understand how to use household electricity safely and economically so that it can support the safety and efficiency of sustainable use of household electricity. On the day agreed between the counselling team and the residents of the hamlet, this counselling was carried out at the house of one of the residents of the hamlet. After most of the residents had attended, the event finally began. The counseling began with remarks from the team of the Department of Electrical Engineering, Faculty of Engineering, Mataram University, followed by counselling and questions and answers regarding the counselling material. Next, a written and verbal evaluation was carried out (because there were residents who were still illiterate) by the counselling team to the hamlet residents. There are 10 questions given, each worth 10 related to the counseling material that was given previously. The results obtained were that 73.33% of participants answered the questions given with a score of fair to very good, while 26.66% of participants answered the questions given with a score of very poor to poor. These results show that this counselling activity has provided knowledge to residents of Cemare Hamlet regarding the safe and economical use of household electricity.
Co-Authors A. Syamsu Irfan Akbar Agung Budi Muljono Ahmad Humaidi Ari Satriadi Arizal Dwiantara Bulkis Kanata Cipta Ramadhani Giri Wahyu Wiriasto Hamdiana . I Ketut Wiryajati I Made Ari Nrartha I Nyoman Wahyu Satiawan I Nyoman Wahyu Satiawan I Putu Andika Priyatna Ida Ayu Mas C. Dewi Ida Bagus Fery Citarsa Ida Bagus Fery Citarsa Ida Bagus Ketut Widiartha M.Kuraish Shihab Muhammad Haris Ni Made Seniari Paniran Paniran Rany Zuriatna Utami Siryantini Nurul Adnin Sultan . Supriono Supriono Supriono Syafaruddin Ch Syafarudin Ch. Wahyu Satiawan Warindi Warindi D