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All Journal Tekno : Jurnal Teknologi Elektro dan Kejuruan TELKOMNIKA (Telecommunication Computing Electronics and Control) EPIC : Journal of Electrical Power, Instrumentation and Control jurnal syntax admiration Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat ALINIER: Journal of Artificial Intelligence & Applications JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Jurnal Inovasi Teknologi dan Edukasi Teknik Journal of Engineering and Science Application
Yogi Dwi Mahandi
Universitas Negeri Malang
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Exploration of genetic network programming with two-stage reinforcement learning for mobile robot Siti Sendari; Arif Nur Afandi; Ilham Ari Elbaith Zaeni; Yogi Dwi Mahandi; Kotaro Hirasawa; Hsien-I Lin
TELKOMNIKA (Telecommunication Computing Electronics and Control) Vol 17, No 3: June 2019
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/telkomnika.v17i3.12232

Abstract

This paper observes the exploration of Genetic Network Programming Two-Stage Reinforcement Learning for mobile robot navigation. The proposed method aims to observe its exploration when inexperienced environments used in the implementation. In order to deal with this situation, individuals are trained firstly in the training phase, that is, they learn the environment with ϵ-greedy policy and learning rate α parameters. Here, two cases are studied, i.e., case A for low exploration and case B for high exploration. In the implementation, the individuals implemented to get experience and learn a new environment on-line. Then, the performance of learning processes are observed due to the environmental changes.
Teknik Optimasi Shunt Passive Filter untuk Memitigasi Distorsi Harmonik Langlang Gumilar; Yogi Dwi Mahandi
TEKNO: Jurnal Teknologi Elektro dan Kejuruan Vol 30, No 1 (2020)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (476.363 KB) | DOI: 10.17977/um034v30i1p26-36

Abstract

Beban-beban nonlinear selalu diperlukan untuk mengoperasikan peralatan-peralatan listrik. Contohnya motor drive, inverter, rectifier, dan lain-lain. Bagaimanapun beban-beban nonlinear dapat menimbulkan masalah kualitas daya listrik seperti harmonik. Harmonik memiliki dua sumber yaitu sumber tegangan dan sumber arus. Untuk mengurangi ditorsi harmonik tegangan dapat menggunakan shunt passive filter. Sedangkan untuk mengurangi distorsi harmonik arus dapat menggunakan series passive filter. Jurnal ini bertujuan membahas berbagai tekni optimasi pada shunt passive filter dalam mengurangi distorsi harmonik. Setiap hasil dari teknik optimasi dibandingkan untuk mencari hasil yang paling efektif. Teknik optimasi shunt passive filter  dengan kapasitor bank mendapatkan nilai THD 4.13% dan TDD 4.07%. Teknik optimasi shunt passive filter  dengan line reactor mendapatkan nilai THD 2.37% dan TDD 2.14%. shunt passive filter  dengan detuned reactor mendapatkan nilai THD 3.76% dan TDD 3.95%
Deteksi Objek Untuk Robot Bergerak Menggunakan Kamera Omnidirectional Berbasis Fitur Warna Yogi Dwi Mahandi
TEKNO: Jurnal Teknologi Elektro dan Kejuruan Vol 31, No 1 (2021)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um034v31i1p61-74

Abstract

Kamera merupakan sebuah sensor yang digunakan oleh robot untuk mengetahui keadaan di lingkungan sekitarnya. Dengan menggunakan kamera, berbagai persepsi dapat diambil sesuai dengan kebutuhan. Salah satu penggunaannya, robot dapat mendeteksi objek-objek tertentu pada lingkungan sekitarnya, termasuk sebuah bola di lapangan sepak bola. Jurnal ini menjelaskan mengenai proses pendeteksian bola menggunakan kamera omnidirectional 360o berdasarkan fitur warna menggunakan teknik filtering. Dari pendeteksian ini, akan didapatkan informasi jarak dan sudut bola terhadap robot. Nantinya robot akan mendekati bola dengan cara memutar badan robot sehingga lurus dengan letak dan maju sampai menyentuh bola. Performa robot dalam melakukan navigasi mendekati objek sebesar 90%.
Lampu Penerangan Tenaga Surya untuk Wisata Air Desa Sambigede Kabupaten Malang Soraya Norma Mustika; Yogi Dwi Mahandi; Mahfud Jiiono; Siti Sendari; Eko Noerhayati; Dwi Mukti Asmoro Sari
Jurnal Abdimas Berdaya : Jurnal Pembelajaran, Pemberdayaan dan Pengabdian Masyarakat Vol 4, No 02 (2021): Jurnal Abdimas Berdaya
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jab.v4i02.133

Abstract

Pengaruh Blended Learning Terhadap Communication Skills dan Technical Skills Siswa Jurusan Teknik Instalasi Tenaga Listrik SMKN 3 Boyolangu Tulungagung Melta Dhemahestri; Yuni Rahmawati; Yogi Dwi Mahandi
ALINIER: Journal of Artificial Intelligence & Applications Vol. 3 No. 1 (2022): ALINIER Journal of Artificial Intelligence & Applications
Publisher : Program Studi Teknik Elektro S1 ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/alinier.v3i1.4792

Abstract

Sekolah Menengah Kejuruan (SMK) adalah pendidikan menengah formal yang mempersiapkan siswa untuk bekerja dan menjadi tenaga profesional di bidang studinya. Ilmu yang diperoleh diharapkan dapat membawa siswa untuk memiliki karir yang bagus dengan kemampuan dan keterampilan yang dipelajari, salah satunya kemampuan communication skills dan technical skills. Namun pada saat ini di seluruh dunia, termasuk di Indonesia terkena virus covid-19. Hal tersebut sangatlah berdampak di berbagai bidang termasuk di pendidikan. Perpaduan pembelajaran secara tatap muka dengan pembelajaran online yang dinamakan blended learning adalah solusinya . Penelitian ini bertujuan untuk mengetahui pengaruh blended learning (X1) terhadap communication skills (Y1) dan technical skills (Y2) siswa jurusan teknik instalasi tenaga listrik SMKN 3 Boyolangu Tulungagung. Penelitian ini mengunakan metode penelitian kuantitatif. pengumpulan data diperoleh berupa kuisoner dan juga data nilai praktikum dari siswa di sekolah. Populasi penelitian ini adalah siswa kelas XI Jurusan Teknik Instalasi Tenaga Listrik di SMKN 3 Boyolangu Tulungagung. Teknik sampel yang digunakan yaitu cluster rundom sampling. Perhitungan sample mengunakan slovin. Jumlah sampel yang diambil sebanyak 84 siswa. Hasil yang didapatkan dari penelitian ini: (1) terdapat pengaruh yang signifikan antara X terhadap Y1 sebesar 38,7 % , (2) terdapat pengaruh yang signifikan antara X terhadap Y2 sebesar 6,5 %, terdapat pengaruh yang signifikan antara X terhadap Y1 dan Y2 sebesar 43,4 %.
Pelatihan SIBI (Sistem Isyarat Bahasa Indonesia) Berbasis Citra pada Siswa SLB Tunarungu Kota Malang Ilham Zaeni; Kartika Kirana; Yogi Dwi Mahandi; Anik Nur Handayani; Rochmad Fauzi
Jurnal Inovasi Teknologi dan Edukasi Teknik Vol. 1 No. 6 (2021)
Publisher : Universitas Ngeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (198.883 KB)

Abstract

A Special school is a school that is intended for children with special needs to get basic services that can help them gain access to education. With different types, different learning strategies and facilities are owned. One type of special school is the SLB for the Deaf, which is intended for deaf children or children who have hearing impairments. One of the lessons needed in this SLB is SIBI (Indonesian Sign System) training. In the learning process, of course, learning media are needed to support the achievement of learning activities. This community service activity aims to provide SIBI (Indonesian Language Sign System) training to SLB students with the Deaf in Malang City by utilizing technological advances based on image processing. The aim is to introduce and find out the responses of the Deaf Special School students in Malang to image processing based SIBI learning. In line with the vision and mission of the State University of Malang as a reference in the development of science and technology for the people of Indonesia. This image processing based SIBI training activity can provide deeper learning opportunities in the application of technology, especially for students with hearing impairments where they focus visually on the communication process. It is hoped that the community service program that is being implemented can support the image processing based SIBI learning process at the Special School for the Deaf, Malang City. Sekolah Luar Biasa merupakan sebuah sekolah yang diperuntukkan bagi anak berkebutuhan khusus agar bisa mendapatkan layanan dasar yang bisa membantu mendapatkan akses pendidikan. Dengan jenis yang berbeda, berbeda pula strategi pembelajaran serta fasilitas yang dimiliki. Salah satu jenis sekolah luar biasa adalah SLB Tunarungu yang diperuntukkan bagi anak-anak penyandang tunarungu atau anak-anak yang mempunyai hambatan pada indra pendengarannya. Salah satu pembelajaran yang dibutuhkan dalam SLB ini adalah pelatihan SIBI (Sistem Isyarat Bahasa Indonesia). Dalam proses pembelajarannya, tentu diperlukan media-media pembelajaran demi menunjang tercapainya kegiatan pembelajaran. Kegiatan pengabdian masyarakat ini bertujuan untuk memberikan pelatihan SIBI (Sistem Isyarat Bahasa Indonesia) kepada siswa SLB Tunarungu Kota Malang dengan memanfaatkan kemajuan teknologi berbasis pengolahan citra. Tujuannya adalah untuk mengenalkan dan mengetahui tanggapan siswa SLB Tunarungu Kota Malang terhadap pembelajaran SIBI berbasis pengolahan citra. Sejalan dengan visi dan mici Universitas Negeri Malang sebagai rujukan dalam pengembangan ilmu pengetahuan dan teknologi untuk masyarakat Indonesia. Kegiatan pelatihan SIBI berbasis pengolahan citra ini dapat memberikan kesempatan belajar yang lebih dalam penerapan teknologi khususnya pada siswa penyandang tunarungu dimana mereka memfokuskan visual pada proses komunikasinya. Diharapkan dengan adanya program pengabdian pada masyarakat yang diimplementasikan dapat mendukung proses pembelajaran SIBI berbasis pengolahan citra di Sekolah Luar Biasa Tunarungu Kota Malang. Kata kunci : e braille, mobile phone, MBT (Mobile Braille Touch).
PENERAPAN MESIN SPINNER BERBASIS INVERTER UNTUK MENINGKATKAN PRODUKTIVITAS DAN KUALITAS KACANG METE PADA UMKM DININAS Triyanna Widiyaningtyas; Soraya Norma Mustika; Yogi Dwi Mahandi; Muhammad Iqbal Akbar; Sujito Sujito; Moh Zainul Falah
Jurnal Pengabdian Pendidikan Masyarakat (JPPM) Vol 4 No 2 (2023): Jurnal Pengabdian Pendidikan Masyarakat Vol 4 No 2 (2023)
Publisher : LP3M STKIP MUHAMMADIYAH MUARA BUNGO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/jppm.v4i2.1370

Abstract

Cashew nuts are the fruit of the cashew plant, the most important of which is the cashew nut itself. Cashews are one of the most traded nut products. One of the MSMEs located in Singosari, Malang Regency is an MSME engaged in processed food products, namely cashew nuts. This MSME is called Dininas. This business was initiated by Mrs. Dini Mei Nastiti and has been established since 2018. Mrs. Dini's business produces around 10 – 50 kg per day with production in the form of cashew nuts. The problem faced by partners is the slicing process which still uses the conventional method, namely draining naturally by placing it in a container covering it with oil-absorbing paper, and then aerating it. Therefore the solution that is relevant in community service is the application of Inverter-based Spinner machines are more optimal, hygienic, and efficient to increase the amount of production. It is hoped that this community service with the application of Inverter-based Spinner machines can help Dinias SMEs in producing cashew nuts and meet demands from consumers. In addition, this machine is also expected to increase the productivity, quantity, hygiene, and quality of cashew nuts as well as increase profits for business managers.
Pengembangan Modul Pembangkit Listrik Tenaga Surya untuk Mendukung Praktikum Siswa pada Mata Pelajaran Perangkat Pembangkit Kelas XI Kompetensi Keahlian Teknik Pembangkit Tenaga Listrik di SMK Chusna, Chufadatul; Wibawanto, Slamet; Mahandi, Yogi Dwi
EPIC Journal of Electrical Power Instrumentation and Control Vol 7 No 1 (2024): EPIC
Publisher : Universitas Pamulang, Prodi teknik Elektro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/epic.v7i1.39420

Abstract

The teaching material is an important element in the learning process because it has a variety of crucial functions. First, the material allows the student to learn independently without the presence of a teacher or a friend. Second, the student can study anywhere and at any time according to their wishes. Third, it helps the student become an independent learner. Lastly, it serves as a guide that guides the student's learning activity. As a result of interviews with instructors in the field of Electrical Equipment, it is known that the material module of the Solar Power Plant does not support learning. Therefore, the aim of this study is to create a learning module about electrical devices that can be used as a learning support in the classroom for students in class XI of Electric Power Plant Engineering at SMK. Using the 4D model (Define, Design, Develop, and Disseminate), this is a development module that has four chapters: solar energy, general PLTS descriptions, components, and PLTS operations. The results of the study showed that the generator learning module created was highly valid, with an average of 93.40% of all tests. Validity of expert 1 reached 95.07% with highly valid category, validity of specialist 2 reached 95.83%, and validity test of small and large groups reached 89.22% with very valid categories, respectively.
Optimizing Communication for a Humanoid Subs-Talker Robot Using RSSI Analysis on ROS System Burhanudin Yusuf Abdullah Ar Ramadhan; Mochammad Haidar Ridho; Anisatul Qomariyah; Siti Sendari; Yogi Dwi Mahandi
Jurnal Syntax Admiration Vol. 5 No. 11 (2024): Jurnal Syntax Admiration
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jsa.v5i11.1769

Abstract

This study aims to optimize communication for the humanoid "Subs-Talker" robot using Receive Signal Strength Indicator (RSSI) analysis within the Robot Operating System (ROS). The background of this research highlights the importance of stable and strong inter-robot communication in the Indonesian Humanoid Robot Soccer Contest (KRSBI-H), where robots need to function in synergy. The method involves measuring signal strength at specific distances, both with and without the use of an extender device, utilizing the InSSIDer application for RSSI data recording and analysis. The results show that using an extender improves communication stability, especially at longer distances (7.2 and 9.0 meters), although the impact is minimal at closer distances. The discussion suggests that an extender can be an effective solution for enhancing inter-robot communication quality in competitions. In conclusion, the extender significantly improves the communication range and signal quality among robots, supporting optimal performance in collaborative robot interactions within the competition arena.
Harmony of Technology and Nature: A Systematic Analysis of Renewable Energy Development Prasetya, Luhur Adi; Wibawanto, Slamet; Mahandi, Yogi Dwi
Journal of Engineering and Science Application Vol. 2 No. 1 (2025): April
Publisher : Institute Of Advanced Knowledge and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69693/jesa.v2i1.15

Abstract

The transition to renewable energy is an important step to address the energy crisis and global climate change. Renewable energy technologies, such as solar panels, wind turbines, and energy storage systems, have developed rapidly with increasing efficiency, such as the 45% efficiency of solar panels. However, key implementation challenges include dependence on weather conditions that affect the stability of energy supply as well as cost and infrastructure constraints. Fiscal incentives and carbon pricing policies have proven effective in driving renewable energy adoption, as seen in Germany and China. On the other hand, artificial intelligence (AI) and blockchain technologies are playing a role in improving energy distribution efficiency and power consumption optimization, while the renewable energy sector has created millions of jobs with a projected increase to 35 million by 2030. However, investment inequality between developed and developing countries remains a major challenge. Therefore, accelerating the green energy transition requires policies that simplify licensing procedures, support technological innovation, and encourage collaboration between the public and private sectors. This research highlights the importance of a holistic approach covering technology, policy and investment aspects to realize a more efficient, inclusive and environmentally sustainable energy system.
Co-Authors A.N. Afandi Anik Nur Handayani Anisatul Qomariyah Burhanudin Yusuf Abdullah Ar Ramadhan Chusna, Chufadatul Dwi Mukti Asmoro Sari Eko Noerhayati Falah, Moh Zainul Fauzi, Rochmad Hsien-I Lin Kartika Kirana Kotaro Hirasawa Langlang Gumilar Mahfud Jiiono Melta Dhemahestri Mochammad Haidar Ridho Moh Zainul Falah Muhammad Iqbal Akbar Prasetya, Luhur Adi Siti Sendari Slamet Wibawanto Soraya Norma Mustika Sujito Sujito Triyanna Widiyaningtyas Yuni Rahmawati Zaeni, Ilham Ari Elbaith