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All Journal International Journal of Electrical and Computer Engineering TEKNIK Transmisi: Jurnal Ilmiah Teknik Elektro Jurnal Sains Materi Indonesia TRANSIENT: Jurnal Ilmiah Teknik Elektro TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Ilmiah Teknik Elektro Komputer dan Informatika (JITEKI) Jurnal Teknik Elektro Sinergi Jurnal Transformatika Jurnal Teknologi Elektro JURNAL NASIONAL TEKNIK ELEKTRO JTET (Jurnal Teknik Elektro Terapan) Proceeding of the Electrical Engineering Computer Science and Informatics Jurnal Teknologi dan Sistem Komputer TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Buletin Ilmiah Sarjana Teknik Elektro Jurnal Nasional Teknik Elektro dan Teknologi Informasi
Munawar Agus Riyadi
Departemen Teknik Elektro, Universitas Diponegoro Semarang, Jl. Prof. Sudharto, SH, Kampus UNDIP Tembalang, Semarang 50275, Indonesia. *)E-mail: Munawar@elektro.undip.ac.id
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Trajectory Tracking and Collision Avoidance on Smart Wheel Chair Munawar Agus Riyadi; Syuja Rizqullah; Sumardi Sumardi; Teguh Prakoso
Jurnal Ilmiah Teknik Elektro Komputer dan Informatika Vol 8, No 3 (2022): September
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/jiteki.v8i3.24550

Abstract

There have been many developments of wheelchairs as mobility aids, including electric wheelchairs. Wheelchairs sometimes still require manual steering. Therefore, in this research, a smart wheelchair is developed that can move automatically to the destination position from a predetermined position with a trajectory tracking system. The system deploys the odometry method, orientation angle using the output of the IMU-9DOF sensor with Kalman filter, and collision avoidance to avoid collisions with obstacles in front of it. The use of the Kalman filter improves the angle output that is close to the reference. In the trajectory tracking test, the wheelchair can approach the given reference position with a maximum error of 20 cm for the x-axis and 2 cm for the y-axis. The wheelchair collision avoidance test has been able to avoid collisions, as it successfully detects an obstacle less than 40 cm and avoids the collision correspondingly.
Perancangan Kendali Operasi Otomatis Terowongan Angin ILST Berbasis HMI Franky Surya Parulian; Munawar Agus Riyadi; Ivransa Zuhdi Pane; Muhamad Muflih
JURNAL NASIONAL TEKNIK ELEKTRO Vol 12, No 2: July 2023
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v12n2.1098.2023

Abstract

In the application of the Indonesian Low-Speed Tunnel (ILST), the control of wind tunnel operations can determine the validity of the data and the number of tests achieved daily. The current operation control mechanism is still done manually and separately with one series of measurements for one test model configuration, inefficient human resources, acquisition of data that can be different, and the cost of using electric power is quite expensive. Therefore, this research and development activity proposes a wind tunnel automatic operation control system that integrates several plant facilities and ILST data acquisition based on Human Machine Interface (HMI) with the Waterfall method, using SCADA software and PLC. This aims to improve wind tunnel operation in one measurement series for multiple test model configurations with high data acquisition accuracy, faster and easier operation to reduce operating costs. This automatic operation control can increase operation time two times faster and 61% cheaper than manual operation. The design results will be used at the implementation stage in aerodynamic model testing.
Sistem Load Balancing Menggunakan Least Time First Byte dan Multi Agent System Muhammad Faizal Afriansyah; Maman Somantri; Munawar Agus Riyadi
Jurnal Nasional Teknik Elektro dan Teknologi Informasi Vol 6 No 3: Agustus 2017
Publisher : Departemen Teknik Elektro dan Teknologi Informasi, Fakultas Teknik, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1274.741 KB)

Abstract

Network activity has increased in every year due to rapid growth of internet users. This phenomenon eventually increases the load server. The high load on server makes server down. The proposed system to handle the issue is using Least Time First-Byte algorithm and multi-agent system in distributed load balancing. The agent collects information resources on the backend servers and communicates with the agents. The Least Time First-Byte algorithm is then combined with the information resources from the agent, called as Least Time First Byte with Multi Agent System (LFB-MAS). The simulation results show that LFB-MAS performs load balance efficiently to all server and provides better performance. The LFB-MAS can process 100% from the 1,800 requests, whereas WLC algorithm is only capable of processing 74.50% from 1,800 requests and LFB without agent is only capable of processing 75.61% from 1,800 requests. The results prove that LFB-MAS can handle high tasks or requests and is reliable.
Pengaruh Berat Pengguna Terhadap Kontrol Kecepatan Motor DC Menggunakan Kontroler PID Untuk Pergerakan Kursi Roda Pintar Andreansyah, Muhammad Iqbal; Sumardi, Sumardi; Prakoso, Teguh; Riyadi, Munawar A
Jurnal Teknologi dan Sistem Komputer Volume 10, Issue 2, Year 2022 (April 2022)
Publisher : Department of Computer Engineering, Engineering Faculty, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jtsiskom.2022.14358

Abstract

Kesulitan mobilitas dialami oleh sebagian populasi. Berbagai kursi roda elektrik telah dikembangkan untuk membantu mobilitas yang dilengkapi dengan motor penggerak. Terdapat banyak faktor yang mempengaruhi kecepatan kursi roda, salah satunya berat badan pengguna. Penelitian ini bertujuan mengembangkan sistem kontrol kecepatan kursi roda dengan memperhitungkan berat badan pengguna. Penelitian ini menggunakan kontroler PID (proportional-integral-derivative) dengan metode tuning Ziegler Nichols I. Parameter optimum diperoleh Kp 7,8 Ki 9,75 dan Kd 0,78, kemudian digunakan untuk kondisi tanpa bebean, dengan beban 42,6 kg , 58,7 kg, dan 65 kg. Hasil pengujian menunjukkan bahwa sistem mampu menanggung beban 65 kg dengan overshoot maksimum 25,80%, rise time 1,2 detik, dan settling time 4,90 detik. Respon transien sistem bertambah secara linear terhadap kenaikan berat beban pengguna.
ANALISIS JARINGAN 5G 2300 MHZ DENGAN MENGGUNAKAN MENARA 4G LTE YANG TERSEDIA DI KOTA SEMARANG Oktavianto, Tedi; Prakoso, Teguh; Riyadi, Munawar Agus
Transmisi: Jurnal Ilmiah Teknik Elektro Vol 26, No 1 Januari (2024): TRANSMISI: Jurnal Ilmiah Teknik Elektro
Publisher : Departemen Teknik Elektro, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transmisi.26.1.1-9

Abstract

Implementasi jaringan 5G New Radio (NR) di Indonesia belum menyeluruh dan baru direalisasikan di beberapa kota besar, salah satu frekuensi yang digunakan adalah 2300 MHz dengan bandwidth 50 MHz. Teknologi seluler 5G memberikan tingkat layanan yang lebih baik daripada 4G, yaitu dari rerata kelajuan data sampai dengan 100 Mbps, latensi rendah sampai dengan 1 ms terhadap pengguna layanan.  Pada penelitian ini dilakukan analisa dan perencanaan cakupan dan kapasitas jaringan 5G NR di Kota Semarang menggunakan perangkat lunak radio planning Atoll.  Penggelaran gNodeB 5G NR dilakukan dengan memanfaatkan eNode 4G LTE 1800 MHz yang telah tersedia menggunakan model propagasi 3GPP TR 38.901 dengan metode Urban Macro (UMa) Line of Sight (LOS).  Hasil simulasi menunjukkan bahwa rerata throughput 5G setelah dilakukan penggelaran menghasilkan dengan nilai sebesar 112 Mbps downlink dan 102 Mbps uplink.  Untuk cakupan area simulasi jaringan 5G nilai SINR (Signal to Noise Interference Ratio) telah memenuhi target KPI (Key Performance Indicator) operator, sedangkan nilai RSRP (Reference Signal Receive Power) masih dibawah nilai KPI.  Setelah dilakukan penggelaran, trafik pengguna untuk jaringan 5G dapat diakses oleh pengguna sampai dengan 98% dengan maksimal throughput tertinggi untuk downlink sebesar 264 Mbps dan uplink sampai dengan 372 Mbps.
Pengkondisi Sinyal RTD Presisi pada Terowongan Angin Indonesian Low-Speed Tunnel Muflih, Muhamad; Riyadi, Munawar Agus; Pane, Ivranza Zuhdi; Parulian, Franky Surya
Jurnal Teknik Elektro Vol 14, No 2 (2022): Jurnal Teknik Elektro
Publisher : Jurusan Teknik Elektro, Fakultas Teknik, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jte.v14i2.39415

Abstract

The temperature of the Indonesian Low-Speed Tunnel (ILST) wind tunnel test section was measured using a Pt100-type Resistance Temperature Detector (RTD) sensor. With the upgrade of the Indonesian Low-Speed Tunnel - Data Acquisition and Reduction System (ILST-DARS) using Ethernet communication, an integrated RTD linearization circuit was designed with the Conditioning Unit (CU) Mk3 to replace the Newport 267B 16-bit parallel and DAS-Hub as the current RTD interface. In this research, the design of the signal conditioner uses the RTD_Linearization_v7.xls program from Texas Instruments, the LTspice simulator software, and the AMP01E precision instrumentation amplifier. Based on the calibration results in the range of 20 – 50 0C, this signal conditioner has an average deviation value of 0.38 0C (1.31%). In the wind tunnel speed variation testing with a range of 30 – 65 m/s, the RTD signal conditioner had an average deviation of 0.41 K (0.14%). The Repeatability Test procedure was carried out at a wind speed of 65 m/s with an angle of attack for the test model from -90 to 200 and data were collected 10 times at each angle. The average deviation of temperature against variations in the angle of attack of the test model in this procedure is 0.25 K (0.08%) and the average deviation of wind speed against variations in the angle of attack of the test model is 0.03 m/s (0.04%).
PERANCANGAN SISTEM PEMBACA QR CODE DAN SISTEM DETEKSI PLAT NOMOR KENDARAAN MENGGUNAKAN YOLOV8 DALAM PROTOTYPE SMART PARKING SYSTEM Tawa'qi, Muhammad Sehatian; Adha, Shafa Aulia; Wardhana, Irfan Agung; Riyadi, Munawar Agus; Setiawan, Iwan
Transient: Jurnal Ilmiah Teknik Elektro TRANSIENT, VOL. 13, NO.3, SEPTEMBER 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transient.v13i3.82-91

Abstract

Peningkatan populasi dan jumlah kendaraan bermotor menimbulkan tantangan baru dalam pengelolaan area parkir, sehingga diperlukan pengawasan yang berkelanjutan dan pendataan yang cermat dalam manajemen lingkungan parkir menjadi sangat penting. Sebagai respons terhadap tantangan ini, dibuatlah prototipe smart parking system di Teknik Elektro Universitas Diponegoro untuk meningkatkan efisiensi pengaturan akses masuk dan keluar area parkir. Sistem ini mengintegrasikan sistem pembaca QR Code dan sistem deteksi plat nomor kendaraan menggunakan YOLOv8. Teknologi QR Code diadopsi sebagai metode utama untuk akses masuk dan keluar bagi pengguna, sementara plat nomor berfungsi sebagai akses untuk kendaraan. Dalam sistem ini Mini PC bertindak sebagai sentral sistem untuk menjalankan keseluruhan sistem. Pengujian menunjukkan bahwa sistem mampu membaca QR code sekitar satu detik dengan jangkauan 10-30 cm, sistem mampu mengidentifikasi plat nomor dengan tingkat akurasi yang tinggi sebesar 91%, dan hasil pembacaan plat nomor kendaraan menggunakan PaddleOCR juga menunjukkan kualitas yang cukup memuaskan sebesar 75%. Secara keseluruhan, integrasi ini memberikan solusi yang efisien untuk mengatasi masalah pengelolaan area parkir.
PERANCANGAN SIMULASI PADA SISTEM PEMAKSIMALAN PENGISIAN DAYA UNTUK KENDARAAN ELEKTRIK RODA DUA Nasrullah, Muhammad Azka; Primanggani, Stevanus; Andromeda, Trias; Riyadi, Munawar Agus
Transient: Jurnal Ilmiah Teknik Elektro TRANSIENT, VOL. 13, NO.3, SEPTEMBER 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/transient.v13i3.109-114

Abstract

Electric motorbikes and electric bicycles in Indonesia generally use 60V, 20Ah batteries with an average charging power of 200W. Charging an electric two-wheeler at home offers great convenience and cost-effectiveness. However, increasing charging power poses challenges due to the use of household electricity loads and limited electricity capacity, which has the potential to cause tripping. Household electricity consumption fluctuates between peak and off-peak load periods offering opportunities for optimal charging during off-peak times. This research aims to adjust the charging power of two-wheeled electric vehicles to the maximum based on household power limits. The proposed charging system design includes an AC-DC converter and a buck type DC-DC converter. This converter regulates charging power according to variations in household electrical load and limited electrical capacity. Simulation results show that two-wheeled electric vehicles can be charged at 825W, four times the average charging power, during off-peak periods thereby speeding up charging. Meanwhile, during peak load periods, the charging power is reduced to 341W to avoid tripping which disrupts household electricity use. This charging system ensures short charging and efficient use of available household electrical power while maintaining the stability of the electrical system.
Design of PIFA Antenna Using Systematic Tuning for Long Range Communication Sabila, Liya Yusrina; Prakoso, Teguh; Riyadi, Munawar Agus
Buletin Ilmiah Sarjana Teknik Elektro Vol. 5 No. 4 (2023): December
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/biste.v5i4.9844

Abstract

Communication with a wireless system is one of the mainstays of communication so that communication integration is achieved. In this application, of course, an antenna is needed to send information waves to the receiver. It is also hoped that the antenna can be integrated with other components into an integrated system. There are several challenges that need to be answered to make this happen. Namely, the size of the antenna is small and the shape of the antenna can adjust to the shape of the object being integrated, for example a circle or cylinder shape. The antenna chosen to realize this challenge is the Planar Inverted F Antenna (PIFA). PIFA antennas are widely used in communication devices because their shape and size can be adjusted to the dimensions of the device. The technique used to create curved shapes is a conformal technique. To streamline the antenna design steps, the system tuning method is applied when simulating the design. The results achieved use a system tuning method which can reduce the experimental steps to just 6 experimental steps. The antenna designed works in the frequency range 916.9 – 933 MHz, the resonant frequency of 925.6 MHz with S11 is -12.5 dB, bandwidth 16.1 MHz, and the radiation pattern is omnidirectional.
Pengukuran Listrik Jaringan Tegangan Rendah Secara Online dengan Mikrokontroler ESP32 di PLN UP3 Surabaya Selatan dan UP3 Surabaya Utara Sudewanto, Suhardhika Sih; Hasan, Fuad; Riyadi, Munawar A
TELKA - Telekomunikasi Elektronika Komputasi dan Kontrol Vol 9, No 2 (2023): TELKA
Publisher : Jurusan Teknik Elektro UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/telka.v9n2.156-168

Abstract

Keandalan dan pelayanan prima di sistem jaringan tegangan rendah menjadi tolok ukur kinerja PLN terhadap kepuasan pelanggan. Di sistem jaringan tegangan rendah, kondisi trafo di gardu distribusi perlu dipantau. Kondisi trafo dan pemantauan profil beban berkontribusi pada respon tindakan yang perlu dilakukan untuk mempertahankan kinerja trafo. Saat ini, pemantauan profil beban trafo masih dilakukan secara manual oleh personel pemeliharaan secara periodik, yang sulit memberikan gambaran kondisi secara presisi. Untuk itu, diusulkan pemantauan profil beban trafo secara online di PLN UP3 Surabaya Selatan and UP3 Surabaya Utara. Pemantauan secara online berbasis mikrokontroler ESP32. Dari hasil uji coba, peralatan monitoring dapat memberi informasi profil beban yang detail sesuai urutan waktu, serta nilai benefit to cost ratio 1. Dengan demikian, implementasi peralatan monitoring online layak untuk diterapkan di gardu distribusi yang memberi kemudahan monitoring kondisi trafo secara real time sekaligus memberikan manfaat efisiensi biaya operasional. Reliability and excellent service in the low voltage network system are benchmarks for PLN's performance in terms of customer satisfaction. In a Low Voltage Network System, the transformers status at distribution substations needs to be monitored. Transformer condition and load profile monitoring contribute to the response actions to maintain transformer performance. Currently, monitoring of transformer load profiles is still carried out manually by maintenance personnel periodically, which does not provide a precise picture of network conditions. We propose online monitoring system for transformer load profiles at PLN UP3 South Surabaya and UP3 North Surabaya. The online monitoring process was based on the ESP32 microcontroller. The test results show that monitoring equipment can provide detailed load profile information to time sequence and a benefit to cost ratio value of 1. Thus, the implementation of online monitoring equipment is suitable for application in distribution substations that makes it easy to monitor transformer conditions in real time while providing efficiency benefits.
Co-Authors A Nugraha A. Brian Ikhsana P.A.W, A. Brian Ikhsana Aan Aria Nanda Achmad Adi Sulistiono, Achmad Adi Achmad Hidayatno Achmad Ngaqib Muthouwali Achmad Ulul Azmy Adam Kusuma Wardana Adha, Shafa Aulia Adhi Nugraha Adi Cifriadi Aditya Aditya Aditya Pratama Afin M Nurtsani Afiq Hamzah Ahmad Didik Setiyadi Ajib Abdurrachman Ajub Ajulian Zahra Macrina Al Fadli, Muhammad Hanifudin Alfianto, Indra Alfin Imadul Haq Alfin Imadul Haq Aminuddin Rizal, Aminuddin Andreansyah, Muhammad Iqbal Arfan, M Arif Rahman Hakim Aris Triwiyatno Barnas Holil Baron Murianda Bawono, Ajie Nugroho Benny Raharjo, Benny Budi Setiyono Budi Setiyono D Septaditya Danang Septaditya Hidayat Syah, Danang Septaditya Danniswara, Satya Darjat Darjat Deris Stiawan Destyawan Saputra, Destyawan Dian Ami Widyati Dwi Prasetyo Wirawan, Dwi Prasetyo Ezaila Alias, Nurul Fathin Naufal, Haidar Ali Firman Eka Saputra, Firman Eka Fitriansyah, Rizko Prasada Frangky Chandra, Frangky Franky Surya Parulian Fuad Hasan Ghanis Kauchya Nugraha Hadha Afrisal Hamzah, Afiq Hanif, Muhammad Harisuddin Hermawan Hermawan I Gusti Bagus Wiksuana Ilham Akbar Sukmawan, Ilham Akbar Imam Much Ibnu Subroto Indra P. S. Damanik, Indra P. S. Irawan D Sukawati Irawan Dharma S., Irawan Dharma Irawan Dharma Sukawati, Irawan Dharma Irvan Aditya Iskandar, Irvan Aditya Ismail Saad Ivransa Zuhdi Pane Iwan Setiawan Iwan Setiawan Iwan Setiawan Jatmiko E. Suseno Johanes Nugroho Adhi Prakosa Jumiasih, Jumiasih Karnoto . Lina Handayani Loong Peng Tan, Michael M B Santoso M. Pramuaji Tri Saputro, M. Pramuaji Maman Somantri Michael Loong Peng Tan Mizanul Haq, Mizanul Mochammad Facta Muflih, Muhamad Muhamad Muflih Muhammad Afif Affandi Muhammad Fahmi Awaj Muhammad Faizal Afriansyah Muhammad Faizal Afriansyah, Muhammad Faizal Muhammad Taufiqurrahman Muhammad Taufiqurrahman, Muhammad Mustikoaji, Yosia Gita Muthouwali, Achmad Ngaqib Nasrullah, Muhammad Azka Nasution, Ali Napiah natanael pandapotan, natanael Ngah, Razali Nurul Ezaila Alias Olimjon Toirov Pamungkas, Okthavianus Bayu Pane, Ivranza Zuhdi Parulian, Franky Surya Perkasa, Dedy Bagus Pradana, Muhammad Ivan Pratama, Ismail Rifqi Primanggani, Stevanus Putra, Florian Destito R Rizal Isnanto Rahmat Rizeki, Rahmat Ramadhan, Ihsan Razali Ismail Razali Ngah Reza Heryanto S, Reza Heryanto Rifky Ismail Rio Lenardo Karo Karo, Rio Lenardo Rizka Hendrawan, Rizka Sabila, Liya Yusrina Santoso, Imam Sapto Budi Priyatno Satria, Brama Yoga Sidiq Hidayatulah, Sidiq Solichudin Solichudin Sudewanto, Suhardhika Sih Sudjadi Sudjadi Suhardhika Sih Sudewanto Sukiswo Sukiswo Sulila, Muhammad Surya Sumardi . Sumardi . Sumardi . Syuja Rizqullah T Prakoso Tatas Ardhy Prihanto, Tatas Ardhy Tawa'qi, Muhammad Sehatian Tedi Oktavianto Teguh Prakoso Teguh Prakoso Tejo Sukmadi Tole Sutikno Trias Andromeda Ullah Sheikh, Usman Umair Al-Anshory Usman Ullah Sheikh Wahyul Amien Syafei Wardhana, Ariya Dwi Wardhana, Irfan Agung Widaningrum, Lidya Winasis, Ganjar Yoga Krismawardana Yuli Christiyono Yuli Christyono Yusuf H. Hendrayana, Yusuf H. Zebua, Christian Charisma Zeta Hanif Salindri, Zeta Hanif Zulhar, Fachrian