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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Transmisi: Jurnal Ilmiah Teknik Elektro Mechatronics, Electrical Power, and Vehicular Technology Abdimas Proceeding of the Electrical Engineering Computer Science and Informatics Jurnal Pengabdian Pada Masyarakat Journal of Education Technology Journal of Robotics and Control (JRC) INTEGRITAS : Jurnal Pengabdian Jurnal Bumigora Information Technology (BITe) REKA ELKOMIKA: Jurnal Pengabdian kepada Masyarakat Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) International Journal of Robotics and Control Systems Mechanical Engineering for Society and Industry Jurnal Nasional Teknik Elektro dan Teknologi Informasi Electrician : Jurnal Rekayasa dan Teknologi Elektro Semar : Jurnal Sosial dan Pengabdian Masyarakat
Feri Adriyanto
Departement Of Electrical Engineering, Faculty Of Engineering, Universitas Sebelas Maret
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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PENGENALAN TEKNOLOGI ENERGI TERBARUKAN PANEL SURYA UNTUK SISWA SEKOLAH MENENGAH PERTAMA (SMP) Maghfiroh, Hari; Adriyanto, Feri; Slamet Saputro, Joko; Sujono, Augustinus; Lambang GH, R.Lulus
INTEGRITAS : Jurnal Pengabdian Vol 6 No 2 (2022): AGUSTUS - DESEMBER
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/integritas.v6i2.1527

Abstract

Saat ini listrik menjadi kebutuhan utama masyarakat. Pembangkit listrik di Indonesia sebagain besar bersumber dari energi batu bara yakni mencapai 57.2%. Batu bara sendiri merupakan sumber energi yang tidak bisa diperbaruhi. Selain itu, pembangkit listrik jenis ini menimbulkan pencemaran udara. Untuk itu, sumber pembangkit listrik alternatif yang ramah lingkungan dan dengan suplay yang melimpah sangat diperlukan. Salah satu sumber listrik alternatif yang paling mudah untuk dibangun dengan biaya rendah adalah sistem panel surya. Sistem panel surya sudah banyak diaplikasikan di Indonesia, bahkan sudah dibangun Pembangkit Listrik Tenaga Surya (PLTS). Beberapa tempat yang sudah terpasang sistem panel surya, pada akhirnya terbengkalai karena rusak dan masyarakat belum begitu faham sistem panel surya sehingga tidak bisa memperbaikinya. Untuk itu, sosialisasi tentang energi terbarukan ini penting untuk dilaksanakan. Pengenalan sumber energi terbarukan tenaga surya ini perlu dikenalkan lebih dini kepada siswa sekolah untuk meningkatkan minat dan rasa ingin tahu siswa dalam mempelajari, memanfaatkan, dan bahkan mengembangkan nantinya. Kegiatan dilakukan secara daring guna mematuhi protokol kesehatan covid-19. Media yang dipakai adalah grup whatsapp, video, dan e-booklet. Untuk mengukur keberhasilan program, sebelum acara dilakukan pre-test dengan hasil 22, 5% siswa tidak tahu tentang panel surya. Setalah sosialisasi post-test, hasilnya rata-rata nilai mencapai 79,46%, yang menunjukkan tingkat pamahaman peserta cukup baik terhadap materi yang disampaikan. Sampel pertanyaan mendasar tentang sistem panel surya, menunjukkan hanya 0,9% siswa yang salah. Kesimpulan akhir, siswa telah mendapat pengetahuan tentang energi terbarukan panel surya melalui kegiatan sosialisasi yang telah dilakukan.
Prototype Perancangan dan Implementasi Alat Perontok dan Pengering Padi Otomatis dengan Konsep Teknologi Pembangkit Listrik Tenaga Surya untuk Meningkatkan Produktivitas Hasil Pertanian Sulistyo, Meiyanto Eko; Apribowo, Chico Hermanu Brillianto; Adriyanto, Feri
Jurnal Bumigora Information Technology (BITe) Vol. 3 No. 1 (2021)
Publisher : Universitas Bumigora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30812/bite.v3i1.1305

Abstract

Dewasa ini pemanfaatan teknologi untuk meningkatkan hasil pertanian tumbuh pesat. Salah satu bentuk pemanfaatannya adalah dengan menggunakan energi terbarukan untuk meningkatkan produktivitas hasil pertanian. Energi terbarukan yang implementasinya sudah sangat banyak adalah Pembangkit Listrik Tenaga Surya (PLTS). Pengunaan PLTS sebagai sumber energi alternatif yang digunakan untuk pengerak alat perontok dan pengering padi otomatis. Petani selalu kesulitan saat musim penghujan maupun kemarau kering tiba-tiba dan sinar matahari tidak dapat mencapai intensitas maksimal saat digunakan untuk mengeringkan padi secara konvensional, oleh karena itu alat perontok dan pengeringan padi otomatis tenaga PLTS sebagai alternatif solusi. Tujuan penelitian ini adalah untuk memberi wawasan dan pengetahuan akan pembuatan dan prinsip kerja dari alat perontok dan pengeringan padi otomatis tenaga PLTS sebagai alternatif solusi untuk meningkatkan padi secara teknologi, dengan demikian diharapkan masyarakat mendapatkan manfaat lebih cepat dalam pengeringan padi dan menghemat biaya untuk pengeluaran memanen padi, sehingga dapat meningkatkan produktivitas hasil pertanian.
Prototipe Automatic Feeder dengan Monitoring IoT untuk Perikanan Bioflok Lele Maghfiroh, Hari; Hermanu, Chico; Adriyanto, Feri
Electrician : Jurnal Rekayasa dan Teknologi Elektro Vol. 15 No. 1 (2021)
Publisher : Department of Electrical Engineering, Faculty of Engineering, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/elc.v15n1.2160

Abstract

Revolusi Industri 4.0 telah banyak membawa banyak perubahan baik itu positif maupun negartif. Segi positifnya yaitu telah banyak dipakainya otomasi dan robot di dunia industri sehingga produksi bisa meningkat pesat. Sedangkan sudut negatif, semakin banyaknya pekerjaan manusia yang tergantikan oleh mesin sehingga memperkecil peluang kerja. Adanya revolusi industri 4.0 juga membawa kesenjangan antara kelompok melek teknologi dan kelompok gagap teknologi (gaptek). Warga kampung atau desa merupakan kelompok besar dari golongan gaptek. Untuk itu, suatu peluang usaha baru yang dapat dikerjakan msyarakat desa dengan tingkat pendidikan menengah sangat diperlukan. Maka dipilihlah program perikanan bioflok lele. Sentuhan teknologi otomasi dan Internet of Things (IoT) diberikan untuk meningkatkan produktivitas dan membuat masyarakat melek akan perkembangan teknologi era revolusi industry 4.0.
Robust SVM optimization using PSO and ACO for accurate lithium-ion battery health monitoring Mufti Reza Aulia Putra; Muhammad Nizam; Agus Mujianto; Feri Adriyanto; Henry Probo Santoso; Arif Nur Afandi; Indar Chaerah Gunadin
Mechanical Engineering for Society and Industry Vol 5 No 1 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12280

Abstract

The increasing demand for reliable lithium-ion battery in various applications is focused on the need for accurate State of Health (SOH) predictions to prevent performance degradation and potential safety risks. Therefore, this research aimed to improve the accuracy of SOH prediction by integrating Particle Swarm Optimization (PSO) and Ant Colony Optimization (ACO) with Support Vector Machine (SVM) to overcome the overfitting problem in traditional machine learning models. The dataset used consisted of data from 1000 cycles of lithium-ion battery, collected under laboratory conditions. Data from lithium-ion battery cycles were analyzed using optimized PSO-SVM and ACO-SVM models. These models were evaluated using Mean Square Error (MSE) and Root Mean Square Error (RMSE) metrics, showing significant improvements in prediction accuracy and model generalization. The results showed that although both optimized models were superior to the baseline SVM, PSO-SVM had higher generalization performance during testing. The higher performance was due to the effective balance between exploring the search space and exploiting optimal solutions, making it more suitable for real-world applications. In comparison, ACO-SVM showed superior performance in training data accuracy but was more prone to overfitting, suggesting the potential for scenarios prioritizing high training accuracy. These results could be applied to extend the lifespan of lithium-ion battery, contributing to enhanced reliability and cost-effectiveness in applications.
Developing Wide Flexible Robust PWM Driver by Flip Flop For Supporting The SMPS Technology Augustinus Sujono; Feri Adriyanto; Hari Maghfiroh; Joko Slamet Saputro; Agus Ramelan
Journal of Electrical, Electronic, Information, and Communication Technology Vol 2, No 1 (2020): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.2.1.41352

Abstract

The limitation of the operational area of the PWM signal generator provided by the microprocessor or chip, give the opportunity to develop flip flop technology that has been widely used in digital technology as a latch, counter, register, memory and so on, will  be able to be developed into a PWM driver. Flip flop technology has developed and is able to reach a very wide operational area regarding voltage and frequency variations. So in this research flip flop technology was developed as a PWM signal driver and the results were better, involving the ability to vary voltage from 6 to 60 Volts, frequencies from 2 to 81 kHz and duty cycles of 10 -75%. Furthermore, if a component with higher capability is selected, it will be able to operate in very low to very high operating areas, exceeding the capabilities of the microprocessor or chip.
Design and Build Automatic Transfer Switch (ATS) Based Internet of Things on Microgrid System Andhika Rizkita Putera; Muhammad Nizam; Feri Adriyanto
Journal of Electrical, Electronic, Information, and Communication Technology Vol 4, No 2 (2022): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.4.2.64700

Abstract

Electrical energy is a primary human requirement for continuously operating electronic devices. However, nonrenewable electrical energy is becoming increasingly scarce. As a backup power source, regenerative energy sources are an option. Because the conventional power grid transfer system takes a relatively long time, the application of a control system on the power grid transfer automatically can maximize efficiency, safety, and accuracy. In this study, an ATS system was developed using the electrical grid switching method for 300ms, 600ms, and 1000ms, as well as IoT to optimize the ATS manual override system with monitor voltage, current, and power. The test results show that the switching accuracy of 300ms is 98.40% and 98.18% with an average voltage of 19.65V and 41.22V when switching, 600ms switching is 98.14% and 99.25% with an average voltage of 17.77V and 18.18V when switching, and 1000ms switching is 99.40% and 99.41% with an average voltage of 17.52V and 21.05V, respectively. The voltage overshoot is obtained for 16ms and 40ms in linear loading and is stable within 2ms. There is harmonic distortion when loading non-linear for 9 cycles and 2 cycles of periodic frequency. The hardware data transmission accuracy is 97.94%, and the success rate of manual override is 100%.
Ar flow-rate effect for low-resistivity Al/Ti/Al Ohmic contact to n-ZnO thin films Feri Adriyanto
Journal of Electrical, Electronic, Information, and Communication Technology Vol 1, No 1 (2019): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.v1i1.34767

Abstract

The Ar flow rate effect on the electrical and optical properties of the sputtered Al-doped ZnO thins films were investigated. It was shown that a strong X-ray peak from (002) and (004) planes is dominant, suggesting that most grains have c-axis perpendicular to the substrate surface. The (002)-ZnO and (004)-ZnO peaks were measured at 2q = 34.120, and 71.850, respectively. It was also found that the growth rate of the Al-doped ZnO thin films increases when the sputtering power is increased. The transmittance of these film are strongly dependent on the sputtering power with the maximum transmittance of 92% was obtained at the sputtering power of 150 W and 50 sccm of Ar flow rate. The resistivity of the films is decreases as the Ar flow rate is increased. The lowest resistivity of 9.74 x 10-4 W.cm was obtained at the films with Ar flow rate of 80 sccm. The mobility increases with the Ar flow rate increases. The carrier concentration also indicates the same pattern as the mobility. The transmittance of Al-doped ZnO thin films is also strongly dependent on the Ar flow rate. It was also observed the variation of contact resistivity of Al/Ti/Al to Al-doped n-ZnO thin films. The specific contact resistivity rc of 1.8x10−5 W.cm2 was obtained at 150 nm-thick Al.
Variable Speed DC Generator Voltage Control using a Multistage Comparator Augustinus Sujono; Feri Adriyanto; Hari Maghfiroh; Joko Slamet Saputro; Agus Ramelan
Journal of Electrical, Electronic, Information, and Communication Technology Vol 3, No 1 (2021): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.3.1.50430

Abstract

DC generator with variable rotation will produce uncontrolled voltage, causing problems in its utilization. In this study, it is proposed to develop a voltage control on the generator, in order to produce a fairly controllable and reliable voltage, with an analog circuit using a multistage comparator. Control of the generator output voltage is carried out by adjusting the field current from a separate voltage source which is forwarded to the resistance which is regulated based on the generator output voltage level with a multilevel comparison system. The results obtained are the output voltage ranges from 26 to 30 Volts and the output current ranges from 3 to 20 Amperes. This provides operational safety for the generator and battery. This technology can be used in dc generator systems in automotive engines, windmills, and other power plants.
Development of Control and Monitoring of BLDC Motor Speed without Sensor with Back Emf Detection Nada Syadza Azizah; Feri Adriyanto; Joko Slamet Saputro
Journal of Electrical, Electronic, Information, and Communication Technology Vol 5, No 1 (2023): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.5.1.66698

Abstract

The development of technology at this time has an important role for all human needs and needs. One of the technologies that are currently developing is technology in the field of transportation. The development of electric vehicles is very relevant to be developed. However, in electric vehicles on the market, the control system used is less than optimal to respond to the load given to electric vehicles, resulting in a decrease in performance and waste of electrical energy. In general, BLDC motors which are often used as control systems use a position sensor (Hall effect sensor) in determining driver commutation. The use of position sensors often results in errors in configuration with the controller, difficulty in installation in case of damage, sensitivity of the sensor to temperature increases and the price of the sensor is relatively expensive. The use of sensorless method with Back EMF detection is an alternative solution to determine inverter commutation on BLDC motors. In this thesis, a BLDC motor speed control is developed which provides optimal, efficient and safe performance. This control system uses driver IC IR2101 and power switching MOSFET IRFZ44N. As a prototype, a 1000KV BLDC motor is used, controlled by an Arduino microcontroller and an ESP32 which is monitored by Blynk. The result achieved is that this system is able to control the rotation of the motor and stabilize the speed when there is a change in load. The efficiency of the no-load system reaches 46.48% and at maximum loading it reaches 36.98%, the best efficiency is obtained in the propeller II loading variation with an efficiency of 86.34%.
Design of Automatic Watering and Humidity Systems Based on Internet of Things for Screenhouse Stefanus Marcellindo; Dina Mifika Sari; Savira Kharisma Putri; Muhammad Hammam Al-Choirie; Feri Adriyanto
Journal of Electrical, Electronic, Information, and Communication Technology Vol 3, No 2 (2021): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.3.2.55197

Abstract

Central Bureau of Statistics reports that the population in Indonesia continues to increase every 10 years. The more the population swells, the greater the need for food. To meet the community's need for food availability, there are several agricultural obstacles such as growth criteria that are not by the type of commodity. Air temperature, humidity and intensity of water supply are included as criteria for plant growth (Budiman and Saraswati, 2005). Erratic weather changes make farmers unable to guarantee production results with good quality, and quantity. This research is designed using a tool that has been integrated with the Internet of Things system embedded in a raspberry pi as the overall processing core [1]. In addition to the raspberry pi, there are also several sensors as real condition readings, several relays as an electric pump controller and a solenoid valve as an electrical faucet controller, and these components will be connectedwith the ESP8266/NodeMcu module using a wifi connection. The data read by these sensors is displayed on the smartphone screen as a monitoring function in real-time and also the user can directly take action using the remote control, both automatic actions using machine learning or manual action.This sophisticated screenhouse can perform irrigation actions and temperature regulation automatically without having to do direct monitoring every time. The use of this system in agriculture allows the owner to not need to do direct monitoring by coming to the screenhouse, users can simply monitor using a smartphone connected to the Internet network.The application of this system can carry out watering actions and regulate the temperature in the screenhouse room automatically according to the aspects of good growth criteria for plants. Like controlling the microclimate in the screenhouse. 
Co-Authors Agus Mujianto Agus Ramelan Agus Ramelan Agus Ramelan Agus Ramelan Aldi Bastiatul Fawait Fawait Aldi Fahli Muzaqih Alfian Ma’arif Alfido Marchandi Faizatama Alfin Hikmaturokhman Alif Ilham Virdaus ALYA MASITHA Andayani Yuwana Sari Andhika Rizkita Putera Annisa Larasati Febrianingrum Anrico Gideon Alfano Anwar, Miftahul Apribowo, Chico Hermanu Brillianto Arif Nur Afandi Arthur Joshua Titus Asno Azzawagama Firdaus Augustinus Sujono Augustinus Sujono Augustinus Sujono Augustinus Sujono Augustinus Sujono Azis Ubaidilah Brilianto Apribowo, Chico Hermanu Cahyaningrum, Sakira Elen Chico Hermanu B.A. Diah Anggi Munika Dina Mifika Sari Esa Apriaskar Fahmi Syuhada Faishol, Fahmi Firmansyah, Rendra Dwi Furizal, Furizal Geovani Rahmad Illahi Ghea Faradiba Gilang Satria Ajie Hari Maghfiroh Hayyan Yusuf Henry Probo Santoso Henry Probo Santoso Hermanu, Chico Hibatul Wafi Ah Fahrudin Ibrahim, Muhammad Ibrahim, Sutrisno Inayati Inayati Inayati Inayati Inayati Inayati Indar Chaerah Gunadin IRSYADI, FAKIH Irwan Iftadi Irwan Iftadi Ivan Abdhira Sukriyandoko Joko Hariyono Joko Slamet Saputro Joko Slamet Saputro Joko Slamet Saputro Juliatama, Hanif Wisti Kariyamin, Kariyamin Lambang GH, R.Lulus Latifan, Syaifullah Filard Luqman Hadi Dwi Satryo Magfiroh, Hari Maghfiroh, Hari Meiyanto Eko Sulistyo Meiyanto Eko Sulistyo Miftahul Anwar Miftahul Anwar Mohammad Hakim Adhiguna Mohd Noh Dalimin Mohd Zainizan Sahdan Mufti Reza Aulia Putra Mufti Reza Aulia Putra Muhamad Dwi Maulana Muhammad Dzaky Ashidqi Muhammad Hamka Ibrahim Muhammad Hamka Ibrahim Muhammad Hammam Al-Choirie Muhammad Ibrahim Muhammad Nizam Muhammad Renaldy Darmawan Musyaffa’ Ahmad Nada Syadza Azizah Novitasari, Purwati Eka Oktavian Listiyanto Pringgo Widyo Laksono Putra Maulana Yusuf Putri, Tri Wahyu Oktaviana R Lulus Lambang GH Ramelan, Agus Rizal Mujaddid Irsyad Rizki Misbakhus Suroya Royani Aulia Ihsanti Savira Kharisma Putri Stefanus Marcellindo Subuh Pramono Sujono, Augustinus Syuhada, Fahmi Warindi D Yuki Martha Anggraini Yusuf Athallah Adriyansyah Yusuf, Putra Maulana