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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) International Journal of Applied Power Engineering (IJAPE) Inersia : Jurnal Teknik Sipil dan Arsitektur Transmisi: Jurnal Ilmiah Teknik Elektro KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Ganendra: Majalah IPTEK Nuklir TELKOMNIKA (Telecommunication Computing Electronics and Control) Bulletin of Electrical Engineering and Informatics Kepelatihan Olahraga Jurnal Mahasiswa TEUB Jurnal Teknologi Rekayasa Mesin Jurnal EECCIS REKAYASA e-Jurnal Arus Elektro Indonesia Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control Jurnal Kelautan Nasional JISIP: Jurnal Ilmu Sosial dan Pendidikan Jurnal Intake : Jurnal Penelitian Ilmu Teknik dan Terapan Jurnal Ekonomi Manajemen Sistem Informasi JIIP (Jurnal Ilmiah Ilmu Pendidikan) Frontier Energy System and Power Engineering JURNAL HOSPITALITI DAN PARIWISATA SPRINTER: Jurnal Ilmu Olahraga PROFICIO: Jurnal Pengabdian Masyarakat juremi: jurnal riset ekonomi Jurnal Bina Pengabdian Kepada Masyarakat Jurnal Nasional Teknik Elektro dan Teknologi Informasi SinarFe7 Jurnal INFOTEL Journal of Built Environment Studies El-Mal: Jurnal Kajian Ekonomi & Bisnis Islam Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering) Prosiding Seminar Nasional Ilmu Manajemen Kewirausahaan dan Bisnis INTERNATIONAL JOURNAL OF SOCIETY REVIEWS (INJOSER)
Wijono
Teknik Elektro Universitas Brawijaya Malang
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ANALISIS KOMPENSASI TEGANGAN SAG DENGAN KONTROL HYSTERESIS DAN ANN PADA GI SENGKALING PENYULANG PUJON Eko Suryo, Arief Trisno; Wijono, Wijono; Siswojo, Bambang
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 22, No 3 Juli (2020): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transmisi.22.3.73-79

Abstract

Makalah ini mendiskusikan tentang analisis kompensasi tegangan sag. Tegangan sag disebabkan oleh gangguan hubung singkat 3 fasa ke tanah. Gangguan tersebut memiliki dampak besar terhadap kerusakan pada saluran beban Penyulang Pujon. Tegangan sag dapat diatasi dengan kompensasi menggunakan Dynamic Voltage Restorer (DVR), yang mana DVR merupakan salah satu dari custom power device yang paling efektif. Hysteresis dan ANN diusulkan untuk mengatur kompensasi tegangan sag dari DVR. Hasil simulasi menunjukkan bahwa kontrol Hysteresis mampu mengkompensasi tegangan beban rata-rata sebesar 95.9 %, dan ANN 104.3%. Kontrol Hysteresis lebih baik dibandingkan dengan kontrol ANN dalam mengkompensasi tegangan beban, yang mana tidak melebihi tegangan beban normal pada saat kompensasi tegangan sag.
Perancangan Sistem Pengendalian Kecepatan Motor Pompa Air Tekanan Konstan Putra, Hari Widagdo; Wijono, n/a; Hasanah, Rini Nur
Jurnal Mahasiswa TEUB Vol 3, No 1 (2015)
Publisher : Jurnal Mahasiswa TEUB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1244.354 KB)

Abstract

Penelitian ini membahas tentang pengendalian motor penggerak pompa air yang dimaksudkan untuk menghasilkan tekanan keluaran pompa yang konstan. Tekanan konstan diperlukan oleh suatu sistem pompa air untuk mengatasi perbedaan debit pada sistem instalasi air ketika jumlah keran yang dibuka bervariasi. Pada saat satu keran dibuka, tekanan air akan sangat tinggi, tetapi saat beberapa keran dibuka tekanan air akan menurun. Hal ini menjadi permasalahan pada sistem yang kerjanya dipengaruhi oleh tekanan seperti pemanas air. Pengendalian kecepatan pompa dilakukan oleh rangkaian PWM ac chopper yang dapat mengubah tegangan masukan sumber yang dicatukan ke motor berdasarkan duty-cycle PWM dengan umpan balik sensor tekanan. Hasilnya adalah tekanan keluaran pompa dapat dipertahankan konstan sesuai dengan set-point sebesar 0,8 kg/cm2. Namun demikian, debit air yang dihasilkan di setiap keran tidak konstan. Oleh sebab itu, konsep pengen-dalian perlu diperbaiki agar dapat menghasilkan debit yang konstan.Kata kunci— Tekanan konstan, Motor pompa, pwm ac chopper
Perancangan dan Pembuatan Alat Pengaduk Adonan Dodol dengan Kecepatan Konstan dan Torsi Adaptif Ardiansyah, Rendy; Hasanah, Rini Nur; Wijono, n/a
Jurnal Mahasiswa TEUB Vol 1, No 4 (2013)
Publisher : Jurnal Mahasiswa TEUB

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1379.117 KB)

Abstract

Dodol adalah salah satu makanan khasIndonesia yang sulit dalam pembuatannya karenadiperlukan waktu yang cukup lama dan energi yang besaruntuk mengaduk adonan hingga mempunyai kekentalantertentu. Selain itu, kecepatan pengaduk adonan dodoldiusahakan konstan agar menghasilkan dodol berkualitasbaik dengan tingkat kematangan merata. Sebagai solusi,prinsip kerja dari rangkaian terkontrol penyearahgelombang penuh yang dikombinasikan dengan rotaryencoder sebagai sensor kecepatan dapat digunakan untukmenghasilkan pergerakan motor dengan kecepatan yangkonstan dan torsi yang adaptif. Motor DC magnetpermanen digunakan untuk menggerakkan pengaduk jenispitch blade impeller. Dihasilkan suatu sistem pengadukanadonan dodol dengan kecepatan konstan dan torsi adaptif.Kata Kunci — Adonan dodol, rangkaian penyearahterkontrol gelombang penuh, kecepatan konstan, pitchblade impeller.
DESAIN DAN SIMULASI KONTROL KECEPATAN MOTOR QUADCOPTER Mulyadi, Adi; Wijono, Wijono; Siswojo, Bambang
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 22, No 4 Oktober (2020): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transmisi.22.4.107-116

Abstract

Pergerakan quadcopter dipengaruhi oleh kecepatan empat baling-baling yang digerakkan oleh motor BLDC. Perputaran baling-baling tersebut akan menghasilkan gaya dorong yang arahnya vertical. Pada pengoperasiannya, dua motor dikendalikan searah jarum jam, dan dua motor lainnya berlawanan jarum jam. Permasalahan yang terjadi pada pembangkitan gaya angkat quadcopter adalah bahwa kecepatan empat motor harus sama, sehingga gerakan quadcopter dapat mencapai ketinggian yang diinginkan. Makalah ini mendiskusikan mengenai desain sistem kontrol kecepatan motor untuk mendapatkan kestabilan dari gerakan altitude vertical take-off quadcopter. Sistem kontrol melibatkan beban motor dan kecepatan gaya angkat. Perhitungan vertical take-off dilakukan dengan menggunakan metode Euler-Newton. Metoda Proportional-Integral-Derivative (PID) diusulkan untuk mendapatkan kestabilan gerakan. Selain itu, simulasi menggunakan MATLAB Simulink digunakan untuk memvalidasi hasil perancangan. Hasil simulasi menunjukkan bahwa dengan kontrol PID pada ketinggian 10 m sampai 90 m didapatkan respon waktu naik lebih cepat 0.01 detik, overshoot 0%, dan waktu steady state 0.06 detik. Sedangkan pengaturan PI pada ketinggian 10 m sampai 90 m menghasilkan respon waktu naik lebih lama 0.013 detik, overshoot 0% dan waktu steady state 0.1 detik.
Photovoltaic Array Modeling under Uniform Irradiation and Partial Shading Condition Lunde Ardhenta; Wijono Wijono
International Journal of Applied Power Engineering (IJAPE) Vol 6, No 3: December 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (636.751 KB) | DOI: 10.11591/ijape.v6.i3.pp142-149

Abstract

Wind energy and solar energy are the prime energy sources which are being utilized for renewal energy. The performance of a photovoltaic (PV) array for solar energy is affected by temperature, irradiation, shading, and array configuration. Often, the PV arrays are shadowed, completely or partially, by the passing clouds, neighboring buildings and towers, trees, and utility and telephone poles. Under partially shaded conditions, the PV characteristics are more complex with multiple peaks, hence, it is very important to understand and predict the MPP under PSC in order to extract the maximum possible power. This paper presents the development of PV array simulator for studying the I–V and P–V characteristics of a PV array under a partial shading condition. It can also be used for developing and evaluating new maximum power point tracking techniques, for PV array with partially shaded conditions. It is observed that, for a given number of PV modules, the array configuration significantly affects the maximum available power under partially shaded conditions. This is another aspect to which the developed tool can be applied. The model has been experimentally validated and the usefulness of this research is highlighted with the help of several illustrations.
Transistor mismatch effect on common-mode gain of cross-coupled amplifie Zainul Abidin; Eka Maulana; Ramadhani Kurniawan Subroto; Wijono Wijono
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 1: February 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i1.11587

Abstract

In this paper, the analytical approach of MOS transistor mismatch effect on common-mode gain of cross-coupled amplifier is presented. Transconductance (MOS transistor parameter) mismatch effect on common-mode gain of cross-coupled amplifier was analyzed. This study was started with mathematical derivation for representing the mismatch effect of transconductance between 2 differential pairs of crosscoupled amplifier due to common-mode voltage. The derivation result was simulated based on Monte Carlo simulation with random transconductance mismatch rate from 0.05% until 1%. The common-mode gain increases 36.9 dB and average common-mode gain is -81.1 dB. The transconductance mismatch rate increases followed by increase in common-mode gain. The results can be used by circuit designers to design analog circuits, especially operational amplifier used for biosignals processing to minimize the common-mode gain of their circuits. This research presents aid to circuit designers to improve their circuits performance.
Velocity measurement based on inertial measuring unit Waru Djuriatno; Eka Maulana; Hasan Hasan; Effendi Dodi Arisandi; Wijono Wijono
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 4: August 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i4.11826

Abstract

Vehicles technology have been a priority area of research over the last few decades. With the increasing the use of electronic components in the automotive industry to measure conditions around the vehicle, the focus of automotive technology development is now leading to the development of active technology. Information on the speed of conventional vehicles is generally still obtained based on the rotation of the wheel, but there are weakness in the system that is the diference between wheel and road through vehicle also changes wheel radius of the vehicle due to wind tube air preasure that can change at any time. In this research used Inertial Measuring Unit (IMU) 6 axis (accelerometer and gyroscope) which have been done filtering by using Kalman filter in order to make output sensor value more stable, results obtained at the test of 0 m/s had an RMS error of 0.8696 m/s when elevation is +450; 0.0393 m/s when elevation is 00; and 0.3030 m/s when elevation is -450. this research is expected to be an exploration for the development of a decent system that is suitable to be used as vehicle speed estimator which is as reliable as it is by using an existing speedometer on a ground vehicle generally regardless of slippage and changes in wind capacity on wheels.
Plasma generator: design of six stage cockcroft-walton voltage multiplier 12 kV for impulse voltage generation Wijono Wijono; Eka Maulana; Dony Darmawan Putra; Waru Djuriatno
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 4: August 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i4.11828

Abstract

Cockcroft-Walton (CW) voltage multiplier is a voltage booster circuit with an array of series-connected only diodes and capacitors. In this research, voltage multiplier is designed to generate voltage up to 12 kV that the modified 6-stage constructed generator. It is designed as circuit charger of storage capacitor (CS) to generate combination wave impulse application which following standard those set in IEC (International Electrotecnical Commission) 61000-4-5 class 4. CS should be charged up to 4 kV according this standard. High impulse voltage and current works repeatedly in a short time, so the charging system is expected to reach targeted voltage within a maximum time of 10 seconds. Besides charging is also required to design of circuit discharger for discharging electric charge inside the CS. It is expected to reach 0 kV within a maximum time of 15 seconds with overdamped technique. There are three results of the research projects such as output voltage of CW voltage multiplier before connecting CS, charging time of CS, and discharging time of CS. The result showed that CW voltage multiplier can generate up to 12.01 kV on simulation and 11.9 kV on experiment. CS can be charged up to 4 kV in 9.8 seconds on simulation and 7.9 seconds on experiment. CS can be discharged in 14.2 seconds on simulation and 10 seconds on experiment. These results are in accordance with the expectation.
Design of 4-stage Marx generator using gas discharge tube Wijono Wijono; Zainul Abidin; Waru Djuriatno; Eka Maulana; Nola Ribath
Bulletin of Electrical Engineering and Informatics Vol 10, No 1: February 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v10i1.1949

Abstract

In this paper, a Marx generator voltage multiplier as an impulse generator made of multi-stage resistors and capacitors to generate a high voltage is proposed. In order to generate a high voltage pulse, a number of capacitors are connected in parallel to charge up during on time and then in series to generate higher voltage during off period. In this research, a 6kV Marx generator voltage multiplier is designed using gas discharge tube (GDT) as an electronic switch to breakdown voltage. The Marx generator circuit is designed to charge the storage capacitor for high impulse voltage and current generator applications. According to IEC 61000-4-5 class 4 standards, the storage capacitor must be charged up to 4 kV. The results show that the proposed Marx generator can produce voltages up to 6.8 kV. However, the storage capacitor could be charged up to 1 kV, instead of 4 kV in the standard. That is because the output impulse voltage has narrow time period.
Analisis Pemangku Kepentingan Destinasi Pariwisata Dieng Plateau Jawa Tengah Destha T Raharjana; Heddy S Ahimsa-Putra; Djoko Wijono; Hendrie A Kusworo
HOSPITALITI DAN PARIWISATA Vol 2 No 2 (2019): JURNAL HOSPITALITI DAN PARIWISATA
Publisher : PolimdoSains

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35729/jhp.v2i2.30

Abstract

The existence of stakeholders has an important role for the implementation of the Dieng Plateau tourism policy. This view is quite rational because tourism is an industry that might work if supported by other relevant stakeholders. This is where the strategic tourism stakeholders are, including in order to encourage tourism management of Dieng Plateau as a leading destination in Central Java. The existence of Government Regulation No. 50/2011 concerning RIPPARNAS establishes Dieng tourism area and its surroundings as a national tourism strategic area (KSPN) emphasizing the importance of collaboration among stakeholders in managing destinations. Furthermore, this article was prepared with the aim of analyzing stakeholders who are seen as having interests and influence in the management of tourism in the Dieng Plateau. The analysis is carried out to identify stakeholders, analyze stakeholder involvement, categorize stakeholders, and analyze relationships between stakeholders by looking at aspects of communication, coordination and cooperation (3K). The results of the analysis show that there are five stakeholders including subjects and context setters, ten stakeholders included in the key players group, and thirteen stakeholders belong to the crowds group. Analysis of its involvement, only six stakeholders were seen as having strong involvement in setting policies, providing funding, research or advocacy support, providing technology / training facilities, and conservation / maintenance of infrastructure. In the future, stakeholders involved in managing tourism in the Dieng Plateau need to strengthen structural or non-structural dimensions.
Co-Authors Abd. Rasyid Syamsuri Abraham Latumahina Achmad Rizanul Wahyudi Adabiah, Suhadah Rabi'atul Adi Mulyadi Adjie, Andreas Bimo Putro Agung Fitrahadi Ahmad Fahrudi Setiawan Ahmad Yusuf Rizki Akhmad Zaini Akhmad Zaini, Akhmad Aldi Lutfil Hikam Aldian Ferdiansyah Mahendra Aldias Rizaldi Alsabah, Mus Ali Amaral, Hanifiyah Darna Fidya Andang Widiharto Andri Suyoko Andrie Batista Azizul Hakim Angga Dwi Saputra Anggraeni, Karina Anik Tri Wahyuningtyas Annisa Rifqiana Annisa Rifqiana Annisa Rifqiana Anshori, Mochammad Isa Ansyaruddin Rahmatdiansyah Ardhito Primatama Ardiansyah, Rendy Ari Permana L. Ariefianto, Rizki Mendung Arnold J. Kastanja Arthanto, Dwi Handoko Asri Ady Bakri Bakti Setiawan Bambang Siswojo Bambang Siswoyo Basuki Winarno Basuki Winarno, Basuki Bernadus Blasio Arsoni Bob Alvin Sidabutar Bob Alvin Sidabutar Corina Martineac D Purnomo D. J. Djoko H. S. D.J. Djoko H.S. D.J. Djoko H.S., D.J. Djoko Darsono Darsono Dary Rafi Brafianto Dary Rafi Brafianto David Suban Koten Denny Widhiyanuriyawan Destha T Raharjana Dheo Kristianto Dhofir, Mochammad Dicki Bagus Chandra Dio Alif Airlangga Daulay Donny Ardi Kusuma Dony Darmawan Putra Dony Darmawan Putra Duta Narendratama Dwi Rina Utami Dwiatmaja, Agus Effendi Dodi Arisandi Eka Citra Agustini Eka Maulana Eka Maulana Eko S, Arief Trisno Elin Nuraini Erni Yudaningtiyas Farizha Irmawati, Farizha Fitri Novilia Frengki Eka Putra Surusa Galih Setiaji Hadi Suyono Hadi Suyono Hakim, Yusril Amir Abdullah Halomoan Marthin Muskita Harry Soekotjo HARRY SOEKOTJO DACHLAN Harry Soekotjo Dachlan Harry Soekotjo Dachlan Harry Soekotjo Dachlan Hary Septianwari Hasan Hasan Heddy S Ahimsa-Putra Hemi Septiady Hendrie A Kusworo Hendrik Kenedy Tupan Hermawan Arief Putranto Hery Purnomo Hikam, Aldi Lutfil Ibnu Kurnia Cahya Ihsan Ahmad Badrianto Irawan, Novta Danyel Irmantara Subagio Jemadi Jemadi Jemadi Junaidi Noh Khaeruddin Khaeruddin Khairil Anwar Kumala Mahda Habsari Kunjung Ashadi Kusuma, Dony Ardy Lily M. Sikome Lunde Ardhenta Lutfir Rahman Aliffianto M. Aziz Muslim M. Aziz Muslim M. Julius M. Julius St Mardotillah, Nanda Azizah Maulani Candra MG Adiyanti Moch. Dofir Mochamad Purnomo Mochammad Rusli Mohammad Taufan Asri Zaen Muchammad Andaru Ardana Muh. Ardiansyah A. P. Muhamad Luthfi Muhammad Aziz Muslim Muhammad Aziz Muslim Muhammad Daffa Hibatullah Muhammad Fauzan Muhammad iqbal Muhammad Kharis Fajar n/a Soeprapto Nola Ribath Nola Ribath Nugraha, Anggara Cahya Nur Faliza Nurkholis Hamidi Nurkholis Nurkholis Nurwati, Tri Onny Setyawati Pieter S. Tatipikalawan Pikaloka, Teguh Vio Ponco Siwindarto Pramudita Pamungkas Purwanto, Agus Tri Putra, Hari Widagdo Putra, Reza Hadi Editya Putranto, Hermawan Arief Rachmawati, Isti Dian Rakha Ghilman Fakhruddin Yusuf Ramadhani Kurniawan Subroto Ranap Sitorus Rendy Ardiansyah Ridlwan, Asfarur Rieneke Ryke Kalalo Rif'an, Mochammad Rina Tri Turani Saptawati Rini Nur Hasanah Rini Nur Hasanah Rizki Mendung Ariefianto Rizki Mendung Ariefianto Rizky Muhammad Sidik Rusdiawan, Afif Rusli, Mochammad Saefurrochman Saefurrochman Saipul, Saipul Sartika Wiguna, Anggri Sativa Sativa Sidiq, Rizky Muhammad Siregar, Dody Yunus Putra Siswojo, Bambang Sri Ekanti Sabardini Sukaryono Sukaryono Sunaryo Sunaryo Suryo Adi Wibowo Suryo, Arief Trisno Eko Suyono, Hadi Syaiful Rachman Syamsu Dhuha Taufik Teguh Lesmana Tri Nurwati Tri Nurwati Tri Setyo Utami Tria Lady Sijabat Tutur Jatmiko Unggul Wibawa Vinsensius Anggara Paramayuda Walenta, Abdi Sakti Waristra Tyo Nirwansyah Waru Djuriatno Waru Djuriatno Waru Djuriatno Waru Djuriatno Waru Djuriatno Waru Djuriatno. Widhohardhono, Rachman WIWIEN ANDRIYANTI Yogiswara Yogiswara Yukovany Zhulkarnaen Yurista Hardika Dinata Yusril Amir Abdullah Hakim Yusril Amir Abdullah Hakim, Yusuf Maulana Ramadhan Zainul Abidin Zainul Abidin Zuhal Azmiy Dwi Rachman