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All Journal Mechatronics, Electrical Power, and Vehicular Technology Abdimas 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 Electrician : Jurnal Rekayasa dan Teknologi Elektro Semar : Jurnal Sosial dan Pengabdian Masyarakat
Adriyanto, Feri
Universitas Sebelas Maret
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Collision Avoidance in Mini Autonomous Electric Vehicles Using Artificial Potential Fields for Outdoor Environment Saputro, Joko Slamet; Juliatama, Hanif Wisti; Adriyanto, Feri; Maghfiroh, Hari; Apriaskar, Esa
International Journal of Robotics and Control Systems Vol 5, No 2 (2025)
Publisher : Association for Scientific Computing Electronics and Engineering (ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31763/ijrcs.v5i2.1708

Abstract

The rapid advancement of technology is driving the transition toward Society 5.0, where intelligent transportation systems enhance safety, efficiency, and sustainability. One of the biggest challenges in transportation is the high frequency of vehicle accidents, with approximately 80% attributed to driver error. To mitigate this, Advanced Driver Assistance Systems (ADAS) have been developed to improve vehicle autonomy and reduce accidents. This research proposes a potential field-based collision avoidance system for autonomous vehicle navigation, where the vehicle and obstacles act as positive poles, repelling each other, while the target destination serves as a negative pole, attracting the vehicle. Experimental results demonstrate a GPS positioning error of 1.55 m with a 66% success rate and LiDAR sensor accuracy of 96.4%, exceeding the required 95% threshold. Obstacle avoidance was tested with two safety thresholds (2 m and 2.5 m) across single- and two-obstacle scenarios. The 2 m threshold resulted in shorter travel distances (16.406 m vs. 16.535 m for 2.5 m) and faster completion times (19.036 s vs. 19.144 s), while the 2.5 m threshold provided greater clearance. GPS accuracy was significantly influenced by HDOP values and satellite count, with lower HDOP improving trajectory precision. The system successfully adjusted its trajectory in response to obstacles, ensuring effective real-time navigation.
PENGUATAN KAPASITAS BENGKEL KONVERSI UNTUK MENDUKUNG PROGRAM KENDARAAN RAMAH LINGKUNGAN Mufti Reza Aulia Putra; Nizam, Muhammad; Adriyanto, Feri; Inayati, Inayati; Warindi, Warindi; Slamet Saputro, Joko; Anwar, Miftahul; Ramelan, Agus; Magfiroh, Hari; Brilianto Apribowo, Chico Hermanu
SEMAR : Jurnal Sosial dan Pengabdian Masyarakat Vol. 3 No. 3 (2025): Semar : Jurnal Sosial dan Pengabdian Masyarakat
Publisher : CV. Kalimasada Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59966/semar.v3i3.1992

Abstract

The capacity strengthening program for electric vehicle conversion workshops at SMK Karya Nugraha Boyolali was implemented through a synergistic collaboration model between universities, vocational schools, and industry. This study employed a qualitative descriptive approach with a case study method to evaluate the effectiveness of the six-month program. The findings revealed a significant improvement in participants’ technical competencies, as evidenced by the increase in pre-test and post-test scores, as well as the successful development of a solar photovoltaic (PV)-based electric vehicle charging station prototype. Beyond technical achievements, the program also strengthened multi-stakeholder collaboration and fostered the creation of a micro-scale clean energy ecosystem within the school environment. These results demonstrate that practice-based vocational training combined with strategic collaboration can make a substantial contribution to achieving the Sustainable Development Goals (SDGs), particularly clean energy (SDG 7), industry innovation (SDG 9), and climate change mitigation (SDG 13).
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.
Design and Build Automatic Transfer Switch (ATS) Based Internet of Things on Microgrid System Putera, Andhika Rizkita; Nizam, Muhammad; Adriyanto, Feri
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%.
Variable Speed DC Generator Voltage Control using a Multistage Comparator Sujono, Augustinus; Adriyanto, Feri; Maghfiroh, Hari; Saputro, Joko Slamet; Ramelan, Agus
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.
Ar flow-rate effect for low-resistivity Al/Ti/Al Ohmic contact to n-ZnO thin films Adriyanto, Feri
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.
Development of Control and Monitoring of BLDC Motor Speed without Sensor with Back Emf Detection Azizah, Nada Syadza; Adriyanto, Feri; Saputro, Joko Slamet
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%.
Wide Range Variable Voltage Transformerless DC Power Supply Using TRIAC Sujono, Augustinus; Adriyanto, Feri; Maghfiroh, Hari; Saputro, Joko Slamet; Ramelan, Agus
Journal of Electrical, Electronic, Information, and Communication Technology Vol 2, No 2 (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.2.2.44809

Abstract

Variable voltage DC power supply that has wide range of power, lightweight and inexpensive is quite difficult to obtain. This research designs and tests a DC power supply without a transformer using switching technology that utilizes TRIAC. The 220 Volt AC power source is converted to DC electricity by the method of cutting off some AC waves signal, using TRIAC, and then rectifying it with diodes and filters. DIAC functions as a trigger TRIAC at the specified time, by turning the variable resistor. The test results show that the output DC power voltage can be adjusted from 5 Volts to 75 Volts by adjusting the DIAC resistance and the load resistance. The results of the series image characteristics are given 2-dimensional and 3-dimensional graphics.
Co-Authors Ah Fahrudin, Hibatul Wafi Al-Choirie, Muhammad Hammam Aldi Bastiatul Fawait Fawait Alfian Ma’arif Alfin Hikmaturokhman ALYA MASITHA Anggraini, Yuki Martha Anwar, Miftahul Apribowo, Chico Hermanu Brillianto Asno Azzawagama Firdaus Athallah Adriyansyah, Yusuf Azizah, Nada Syadza B.A., Chico Hermanu Brilianto Apribowo, Chico Hermanu Cahyaningrum, Sakira Elen Dalimin, Mohd Noh Esa Apriaskar Fahmi Syuhada Faishol, Fahmi Faizatama, Alfido Marchandi Faradiba, Ghea Febrianingrum, Annisa Larasati Firmansyah, Rendra Dwi Furizal, Furizal Gideon Alfano, Anrico Hakim Adhiguna, Mohammad Hamka Ibrahim, Muhammad Hariyono, Joko Hermanu Brillianto Apribowo, Chico Hermanu, Chico Ibrahim, Muhammad Ibrahim, Sutrisno Ihsanti, Royani Aulia Illahi, Geovani Rahmad Inayati Inayati Irsyad, Rizal Mujaddid IRSYADI, FAKIH Irwan Irwan Joko Slamet Saputro Juliatama, Hanif Wisti Kariyamin, Kariyamin Lambang GH, R.Lulus Latifan, Syaifullah Filard Listiyanto, Oktavian Magfiroh, Hari Maghfiroh, Hari Marcellindo, Stefanus Meiyanto Eko Sulistyo Mufti Reza Aulia Putra Muhammad Nizam Munika, Diah Anggi Muzaqih, Aldi Fahli Novitasari, Purwati Eka Putera, Andhika Rizkita Putri, Savira Kharisma Putri, Tri Wahyu Oktaviana Ramelan, Agus Sahdan, Mohd Zainizan Santoso, Henry Probo Sari, Andayani Yuwana Sari, Dina Mifika Satria Ajie, Gilang Satryo, Luqman Hadi Dwi Subuh Pramono Sujono, Augustinus Sukriyandoko, Ivan Abdhira Suroya, Rizki Misbakhus Syuhada, Fahmi Virdaus, Alif Ilham Warindi D Widyo Laksono, Pringgo Yusuf, Hayyan Yusuf, Putra Maulana