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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro PROSIDING SENATEK FAKULTAS TEKNIK UMP JTET (Jurnal Teknik Elektro Terapan) Journal of Robotics and Control (JRC) Jurnal Sains dan Teknologi E-Link: Jurnal Teknik Elektro dan Informatika JAREE (Journal on Advanced Research in Electrical Engineering)
Ari Santoso
Jurusan Teknik Elektro, Politeknik Negeri Semarang, Jalan. Prof. H.Sudarto Tembalang, Semarang, 50269
Aerospace Engineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Mathematics Mechanical Engineering Physics Social Sciences

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PENGENDALIAN PERALATAN LISTRIK DENGAN SMARTPHONE BERBASIS ANDROID MENGGUNAKAN KOMUNIKASI WIRELESS Syahid, syahid; Santoso, Ari; Badruzzaman, Yusnan
PROSIDING SENATEK FAKULTAS TEKNIK UMP 2015: PROSIDING SENATEK TAHUN 2015, 28 November 2015
Publisher : PROSIDING SENATEK FAKULTAS TEKNIK UMP

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Abstract

Pengendalian menggunakan smartphone dewasa ini sudah sangat populer dan sangat banyak diaplikasikan. Aplikasi smartphone berbasis android untuk pengendalian peralatan listrik merupakan salah satu aplikasi dari android yang sekarang ini berkembang pesat untuk berbagai aplikasi teknologi. Pengontrolan peralatan listrik  menjadi hal yang sangat penting saat ini mengingat aktifitas mayoritas orang semakin banyak dan sibuk . Untuk itu diperlukan suatu alat atau cara yang mampu  memonitor dan mengontrol peralatan listik agar dapat mengontrol dan memonitor peralatan listrik secara efektif. Peralatan pengendalian ini secara umum dibagi  dua hal yaitu membuat software dan membuat hardware menggunakan PLC digunakan untuk pengendalian pemakaian peralatan listrik dalam suatu ruangan yang meliputi pemakaian lampu dan pendingin ruangan atau kipas angin. Pembuata alat pengontrol peralatan listrik dalam suatu ruangan dilakukan dengan pemasangan hardware yaitu PLC yang dihubungkan dengan peralatan listrik. PLC juga dilengkapi dengan komunikasi wireless sehingga mampu menerima perintah dari smartphone berbasis android. Penempatan sensor- sensor juga ditambahkan dalam perancangan pengendalian yang digunakan untuk pengendalian otomatis. Sensor yang digunakan dalam pengendalian suhu dan kecerahan ruangan. Peralatan pengendalian listrik ini bisa dioperasikan secara manual dan otomatis karena sudah dilengkapi dengan sensor. Kata kunci :  Android, PLC, Smartphone,Sensor
AVR-PSS Generator dengan Kendali Logika Fuzzy dan Konvensional pada Peredaman Osilasi Frekuensi Rendah Santoso, Ari
JTET (Jurnal Teknik Elektro Terapan) Vol 3, No 2 (2014)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Terdapat beberapa variasi kendali yang dipasangkan pada generator untuk meningkatkan efisiensi peredamannya terhadap eksistensi osilasi operasi.Peralatan kendali AVR dan PSS konvensional yang dipasangkan pada pembangkit tenaga listrik, bertujuan untuk memeperbaiki kestabilan sistem operasinya. Salah satu pendekatan yang digunakan adalah aplikasi kendali berbasis logika fuzzy. Dilakukan studi kombinasi AVR dan PSS sistem konvensional dengan berbasis logika fuzzy dengan simulasi perangkat lunak, untuk mengetahui karakteristik waktu tanggapan peredaman osilasi dan perbandingan kinerja kedua kendali tersebut.Konfigurasi simulasi yang dilakukan yaitu: AVR-C dengan PSS-C, AVR-FLC dengan PSS-C, AVR-C dengan PSS-FLC dan AVR-FLC dengan PSS-FLC. Diamati pada masalah yang spesifik, yaitu variable keluaran Pe dan Vt, dengan disimulasikan waktu tanggapan sistem startup penggerak mula pada t = 1 detik, dilanjutkan startup eksitasi elektris pada t = 20 detik. Dengan referensi uji masukan V t = 1 pu pada P L = 0.2 pu, hasil konfigurasi terbaik adalah kombinasi AVR-FLC dengan PSS-C, yaitu dengan tanggapan overshoot = 1.37 %, frekuensi teredam f d = 0.3030 Hz, frekuensi osilasi teredam  d = 1.0930 Hz dengan rasio peredaman  = 0.1425 dan sistem tunak infinit. Dari simulasi dibuktikan bahwa aplikasi sistem berbasis fuzzy yang diimplementasikan pada dua peralatan stabilisasi generator, bilamana masing-masing inferensinya dirancang terpisah tidak menunjukan kinerja yang terbaik, bahkan tidak stabil.
Penghematan Biaya Operasional Kegiatan Pembelajaran Dilandasi Langkah Audit Energi Listrik pada Gedung Kelas dan Laboratorium Jurusan Teknik Elektro Polines Pasisarha, Daeng Supriyadi; Santoso, Ari; Juwarta,
JTET (Jurnal Teknik Elektro Terapan) Vol 3, No 1 (2014)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Penyelenggaraan pembelajaran yang melibatkan pemanfaatan gedung kelas dan gedung laboratorium perlu didukung oleh informasi jelas keragaman fungsional gedung beserta perlengkapan kelistrikannya. Tindakan dan langkah strategis operasional perlengkapan kelistrikan perlu dilandasi oleh kondisi nyata kecenderungan pemakaian energi listrik untuk mendukung kegiatan pembelajaran. Pola pemakaian energi listrik dalam kegiatan pendidikan pada gedung kelas dan gedung laboratorium dikenali berdasarkan pengukuran besaran listrik. Metode pengukuran langsung di lapangan dan metode deskriptif kasuistik digunakan untuk mengevaluasi profil pemakaian listrik dan intensitas konsumsi energi listrik pada gedung kampus Jurusan Teknik Elektro Politeknik Negeri Semarang.
Implementasi Sistem Android untuk Efisiensi Energi Listrik pada Ruangan Menggunakan Komunikasi Wireless Syahid, Syahid; Santoso, Ari; Badruzzaman, Yusnan
JTET (Jurnal Teknik Elektro Terapan) Vol 6, No 1: (April 2017)
Publisher : Teknik Elektro - Politeknik Negeri Semarang

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Abstract

Energy conservation efforts are applied at all stages of energy utilization, ranging from the initial utilization of energy resources to the final utilization, using efficient technology, and cultivate energy-saving lifestyle. The potential of energy conservation in all sectors have a huge savings opportunity, which is between 10% -35%. The savings can be realized in an easy way, can reach 10-15%, while saving the investment can reach up to 30%. With more efficient energy utilization can be achieved through: the use of energy-saving technologies; the application of energy-saving culture; application of energy conversion include planning, operation, and utilization energi.Pengontrolan supervision and monitoring energy usage can utilize evolving technologies today. Applications android based smartphone mainly grown very rapidly in various fields, one for control and of monitoring. This technology is used for the purpose of efficient use of energy, especially electrical energy. Features -Features and there yag system on smartphones support for controlling and monitoring energy usage. Smartphone can not work alone to be able to control and monitor but should be helped with some equipment that is connected directly to the peripheral controlled. Some of the equipment used is the PLC, sensor, power meter and wifi module.peralatan - dikendalikandan electrical equipment can be monitored in real time with wireless communication. The results obtained from the use of this technology can be used to monitor and control the use of energy in a space or building. Saving energy can also be done with the help of this system. Percentage savings can not be determined with certainty and further research is neededKey words: android, energy efficiency, wireless
T-S Fuzzy Model Design for Engine Torque Control System of Spark Ignition Engine Triwiyatno, Aris; Nuh, Mohammad; Santoso, Ari; Sutantra, I Nyoman
Transmisi Vol 11, No 4 (2009): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1839.366 KB) | DOI: 10.12777/transmisi.11.4.177-182

Abstract

On many occasions, fuzzy rule-based systems have been demonstrated to be powerful tools in modeling, decision making and automatic control. The T-S model approach consists to construct nonlinear or complex dynamic systems that cannot be exactly modeled by mathematical model, by means of interpolating the behavior of several LTI (Linear Time Invariant) sub models. In this paper, a new modification fuzzy model based on T-S model will be designed to represent engine torque control system of spark ignition engine, since spark ignition engine is a high non linear system with wide uncertainties that very difficult to be modeled by mathematical model. Keywords: T-S model, fuzzy model, engine torque, spark ignition engine.
Fuzzy State Observer Design for Engine Torque Control System of Spark Ignition Engine Triwiyatno, Aris; Nuh, Mohammad; Santoso, Ari; Sutantra, I Nyoman
Transmisi Vol 11, No 3 (2009): TRANSMISI
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (256.223 KB) | DOI: 10.12777/transmisi.11.3.159-165

Abstract

The T-S (Takagi-Sugeno) model approach consists to construct nonlinear or complex dynamic systems that cannot be exactly modeled, by means of interpolating the behavior of several LTI (Linear Time Invariant) sub models. Since T-S observer based controller has been considered to develop some systematic design algorithms to guarantee the stability and specific performances for the T-S model based systems, this paper represent a new design of fuzzy state observer to estimate the states of engine torque control system of spark ignition engine. Keywords: T-S model, T-S observer, fuzzy state observer, engine torque, spark ignition engine.
Rancang Bangun Trainer Pembelajaran Kendali PID (Proportional Integral Derivative) Kecepatan Motor DC Berbasis PLC dan HMI Arvin Karuniawan, Eriko; Hari Riyadi, Aji; Juwarta, Juwarta; Santoso, Ari; Syahid, Syahid
Jurnal Sains dan Teknologi Vol. 6 No. 1 (2024): Jurnal Sains dan Teknologi
Publisher : CV. Utility Project Solution

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/saintek.v6i1.3177

Abstract

Kurangnya pemahaman mendalam mengenai algoritma PID di kalangan siswa dan tenaga pengajar, yang sering mengakibatkan penerapan yang kurang optimal dalam sistem kontrol otomatisasi. Oleh karena itu, pengembangan trainer pembelajaran PID sangat penting untuk menyediakan pemahaman teoritis dan praktik yang lebih baik, sehingga meningkatkan kompetensi dalam kontrol otomatisasi. Penelitian ini mengembangkan modul pembelajaran yang bertujuan untuk membantu mahasiswa atau pelajar dalam mempelajari kendali PID secara lebih efektif. Diharapkan kontribusinya dalam meningkatkan pemahaman dan keterampilan praktis dalam bidang kendali PID dan sistem otomatisasi. Melalui trainer kendali kecepatan motor DC yang dibuat, pengujian dilakukan dengan parameter Kp=1, Ki=0,5, dan Kd=0,5, yang menghasilkan rata-rata overshoot sebesar 21%, waktu penyelesaian 2,106 detik, dan error steady state sebesar 20%. Temuan ini menunjukkan potensi pengembangan alat pengendalian sistem pada skala industri lebih lanjut dan pembuatan trainer untuk konsep-konsep kendali yang lebih kompleks di masa mendatang.
Fault-Tolerant Control for Multi-Quadcopter with Suspended Payload under Wind Disturbance FARRAS, ALIF AL; SANTOSO, ARI; NUGRAHA, YURID EKA
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 8, No 2 (2024): July
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jaree.v8i2.406

Abstract

Delivering payload with multiple quadcopters necessitates a reliable backup system. This research introduces a fault-tolerant design specifically for multi-drone payload transportation. The system employs formation control, ensuring the weight is evenly distributed among all functioning drones. This research tackles the challenge of reliable payload delivery with multi-drone systems. It proposes a new fault-tolerant control system specifically designed for this purpose. The system addresses a limitation in existing solutions by incorporating a simple PD controller alongside a fault-tolerant strategy. This approach allows the system to maintain operation even if a drone malfunctions. The paper further demonstrates the system's effectiveness through simulations. Results show the system's ability to maintain stability with minimal altitude loss (only 6.3cm) and rapid position reconfiguration (within 3.96 seconds) even under windy conditions. These findings highlight the potential of this fault-tolerant design to significantly improve multi-drone payload delivery, especially for missions requiring high levels of stability and redundancy.
Controlling a Quadcopter with Static Loads and Dynamic Wind Disturbances using a Fuzzy Inference System Azka, Aida; Santoso, Ari; Agustinah, Trihastuti
JAREE (Journal on Advanced Research in Electrical Engineering) Vol 8, No 2 (2024): July
Publisher : Department of Electrical Engineering ITS and FORTEI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/jaree.v8i2.410

Abstract

Maneuverability, hover, and simple mechanical design are the advantages of quadcopters. However, because quadcopters are smaller and lighter, they are more susceptible to wind than manned aircraft. The winds that cause air accidents are divided into several categories, namely downburst, turbulent wind, wind shear, and wind vortices. Disturbances and uncertainties, such as wind gusts, can result in difficulties in executing a mission on an accurate flight path. Quadcopter resilience is an important topic for UAV. Especially if the quadcopter is in terrain that is difficult for humans to reach. Hence, the system is susceptible and experiences reduced stability. Controlling a quadcopter with a cube-shaped static load to withstand turbulent wind gusts in this research uses robust Fuzzy Inference System control and trajectory control using LQR with Command-Generator Tracking. The results achieved through fuzzy control can fortify the quadcopter against half of the overall turbulent wind gusts with an RMSE of 0.0546. In contrast with the LQR-CGT control, which still exhibits an RMSE of 0.0795.
Integrated Radar and Missile System with Poisson-Prioritized Threat Management and PPN Guidance for Countering Multiple UAV Threats Hage, Giselle; Santoso, Ari; Sahal, Mochammad
Journal of Robotics and Control (JRC) Vol. 6 No. 1 (2025)
Publisher : Universitas Muhammadiyah Yogyakarta

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Abstract

In military defense, critical infrastructure protection, and border and maritime surveillance, radar detection plays a critical role in neutralizing threats, since slight delays in detection can enable hostile UAVs to breach defenses and target critical objectives. This research proposes an air defense systems, consists of integrated radar and missile system, to detect and neutralize aerial threats. The radar detects UAVs, tracks their trajectories, and prioritizes threats according to the distance of UAVs within its detection range, incorporating Poisson-distributed probability to dynamically allocate missile resources, allowing the systems to cover broader threat zones, which is crucial for the real-time interception of multiple UAVs. Each UAV is equipped with a state feedback controller for accurate navigation, while the missile system consistently enhancing its trajectory to accurately track and intercept threats under PPN guidance. Simulated experiments indicate that the proposed system intercepted the aerial threats within its operational range and time constraints in various battlefield scenarios. The system’s effect within its operational radius has also been evaluated in an experiment designed to counter a swarm of 6 UAVs flies in a predefined formation. In this scenario, the air defense system successfully launched a missile towards UAV swarms that neutralized 83.33% of total identified threats. The proposed system can be an alternative air defense systems to confront UAV threats in battlefield situations, with potential application in disaster management, search and rescue, and early warning system.
Co-Authors Aris Triwiyatno Azka, Aida Daeng Supriyadi Pasisarha, Daeng Supriyadi Eriko Arvin Karuniawan FARRAS, ALIF AL Hage, Giselle Hari Riyadi, Aji I Nyoman Sutantra Juwarta Juwarta, Juwarta Juwarta, Mohammad Nuh Nugraha, Yurid Eka Sahal, Mochammad syahid Syahid, syahid Trihastuti Agustinah WINARNO Yusnan Badruzzaman, Yusnan