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All Journal JURNAL NASIONAL TEKNIK ELEKTRO JOIV : International Journal on Informatics Visualization Jurnal Pengembangan Sistem Informasi dan Informatika Andalas Journal of Electrical and Electronic Engineering Technology Jurnal Pengabdian Pendidikan Khusus
Ramadhani, Salisa 'Asyarina
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Humanities Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Social Sciences Other

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Pelatihan Pembuatan Media Pembelajaran Anak Berkebutuhan Khusus Zudeta, Effran; Marsyah, Ulfy; Khalida, Rahmi; Khori Ulni, Elvira; Annisa; Fitriani, Dina; Asyarina Ramadhani, Salisa; Arfina Foci, Nia
JPPKh Lectura: Jurnal Pengabdian Pendidikan Khusus Vol. 2 No. 2 (2024): JPPKh Lectura
Publisher : Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/jppkhlectura.v2i2.24962

Abstract

Anak berkebutuhan khusus dapat memiliki kehidupan yang teratur, sehat, dan bahagia seperti anak-anak lain dan menyadari potensi penuh mereka dengan pengawasan dan pendidikan yang tepat serta diperlukan metode dan media pembelajaran yang disesuaikan dengan kebutuhan mereka agar dapat mendukung perkembangan akademik, sosial, dan emosional secara optimal. Realitas di lapangan menunjukkan bahwa ketersediaan media pembelajaran yang ramah untuk ABK masih terbatas, baik dalam hal jumlah maupun kualitas. Media pembelajaran yang dirancang secara khusus dapat membantu ABK memahami konsep-konsep pelajaran dengan lebih baik, meningkatkan motivasi belajar, serta memberikan pengalaman belajar yang menyenangkan dan bermakna. pengabdian masyarakat dengan tema "Pembuatan Media Pembelajaran untuk Anak Berkebutuhan Khusus" diharapkan dapat memberikan solusi nyata. Kegiatan ini bertujuan untuk memberdayakan guru pendidikan khusus dalam merancang media pembelajaran kreatif, interaktif, dan sesuai dengan kebutuhan spesifik anak. Metode pelaksanaan kegiatan berupa sosialisasi, dan praktik latihan keterampilan khusus pada ketrampilan membuat media di SLBN Tembilahan 033. Hasil Dari pelaksanaan kegiatan pengabdian adalah terjadi peningkatan keterampilan peserta. Hal ini tergambar dari peningkatan persentase keterampilan peserta setelah mengikuti kegiatan dari persentase 43.14% menjadi 82,85%. Peningkatan ini menunjukkan bahwa Pelatihan efektif.
ADDIE-Based Development of a Solar-Powered Sprayer for Efficient Weed Control in Remote Oil Palm Plantations Abdul Manab; M Bahrul Muttaqin; Andre Rabiula; Ramadhani, Salisa 'Asyarina; Yosi Riduas Hais; Desrinal Tessal
JURNAL NASIONAL TEKNIK ELEKTRO Vol 14, No 2: July 2025
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v14n2.1221.2025

Abstract

Oil palm plantations in Indonesia demand efficient weed control methods, particularly for large-scale operations in remote areas. Manual pesticide sprayers are still commonly used, but they require high labor, long operating time, and are not energy-efficient. This study presents the design and development of a solar-powered pesticide sprayer using the ADDIE method—Analysis, Design, Development, Implementation, and Evaluation. The prototype consists of a 50 Wp monocrystalline solar panel, two 12V 24Ah VRLA batteries, a DC pump with variable pressure levels, and an Automatic Transfer Switch (ATS) for alternating battery use. The system is mounted on a frame suitable for motorcycle transport to improve field mobility and adaptability in plantation environments. Development followed all ADDIE phases and was validated through real-world field testing. Results showed a 75% reduction in spraying time—from 8 hours (manual) to 2 hours—with a maximum pressure of 70 PSI and a spray reach of 3.5 meters. The ATS allowed uninterrupted operation under varying sunlight conditions. This design offers greater energy efficiency, continuous usability, and flexible deployment compared to similar systems. The findings demonstrate the feasibility of applying solar energy to support sustainable weed management in off-grid agricultural settings, highlighting its potential for broader agricultural mechanization.
Perancangan Sistem Informasi Kawasan Wisata Mandeh Berbasis Web dengan Pendekatan User-Centered Design Azmi, Luxfy Roya; Ramadhani, Salisa ‘Asyarina; Putri, Vivin Mahat; Azhar, Wafianda
Jurnal Pengembangan Sistem Informasi dan Informatika Vol. 6 No. 4 (2025): Jurnal Pengembangan Sistem Informasi dan Informatika
Publisher : Training & Research Institute - Jeramba Ilmu Sukses

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47747/jpsii.v6i4.2909

Abstract

The Mandeh Tourism Area, located in Pesisir Selatan Regency, West Sumatra, is a leading destination with significant potential in the marine tourism sector. Often referred to as the "Raja Ampat of West Sumatra," this area offers clusters of exotic islands, clear waters, and rich underwater biodiversity that attract both domestic and international tourists. In 2023, the number of tourist visits exceeded two million, reflecting strong interest and the potential for tourism service development. However, the absence of an integrated digital information system remains a barrier to optimizing tourism services. To address this issue, the development of a web-based tourism information system using a User-Centered Design (UCD) approach is proposed as a strategic solution. UCD emphasizes user involvement throughout the design process, from needs analysis to system testing, to enhance information accessibility, user experience, and the competitiveness of the tourism destination. The implementation of this system is expected to support sustainable tourism growth and strengthen the local economy.
Performance Evaluation of Load Frequency Control in Reheat Power Systems with Filtered PID Controllers Laksono, Heru Dibyo; Avif Tiftazani; Mumuh Muharam; Rizki Wahyu Pratama; Riko Nofendra; Ramadhani, Salisa 'Asyarina
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 5 No. 1 (2025): May 2025
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v5i1.95

Abstract

This study aims to design and analyze a Load Frequency Control (LFC) system for a power plant with a reheat turbine, using PID-based controllers with various filter configurations to optimize frequency stability under load fluctuations. A series of PID, PD, and PDF controllers is implemented and tested through MATLAB simulations, focusing on key dynamic performance indicators such as rise time, peak time, settling time, and maximum overshoot. The findings reveal that PD and PDF controllers—particularly those that omit droop characteristics and incorporate filters—consistently outperform conventional PID controllers regarding faster response and improved transient stability. The integration of filters plays a crucial role in dampening oscillations and reducing overshoot, which is essential in maintaining system robustness during load disturbances. However, the study also identifies that the absence of droop control introduces limitations in achieving steady-state accuracy. Despite improvements in dynamic performance, the system continues to exhibit steady-state deviations, highlighting a trade-off between transient responsiveness and long-term stability. This underscores the need for hybrid or adaptive control strategies that combine fast response benefits with droop-based steady-state correction. The study contributes valuable insights toward developing more resilient and efficient frequency control mechanisms in modern power generation systems.
Electroencephalography on Controlling Assistive Device: A Systematic Literature Review Salisa 'Asyarina Ramadhani; Muhammad Ilhamdi Rusydi; Andrivo Rusydi; Minoru Sasaki; Luxfy Roya Azmi
Andalas Journal of Electrical and Electronic Engineering Technology Vol. 4 No. 2 (2024): November 2024
Publisher : Electrical Engineering Dept, Engineering Faculty, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/ajeeet.v4i2.42

Abstract

The present article delves into the practical applications of electroencephalography (EEG) in assistive devices. The article thoroughly summarizes the current state of the art, research trends, methods, and implementation. The focus is primarily on how EEG can operate various assistive devices effectively, incorporating artificial intelligence, machine learning, and several computing methods. The authors emphasize the importance of conducting more research and development in the field and offer valuable insights into its prospective directions. A complete search of the Scopus database from 2017 to 2022, including journals and proceedings such as IEEE Xplore, MDPI, Springer, Frontiers, and ScienceDirect, was conducted to ensure the findings are as comprehensive as possible. Conferring to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology, 4397 metadata were transformed into 45. Based on the data synthesis, the following study execution must prioritize determining whether the observed signals are attributable to EEG artifacts or actual EEG signals. The derivation of input signals for controlling helpful devices can be enhanced by utilizing familiar activities, such as facial muscle movements, and employing various machine-learning techniques to ensure high levels of accuracy.
Bahasa Inggris Andicho Haryus Wirasapta; Salisa 'Asyarina Ramadhani; Mishi , Salmuna Sajjad; Malik, Zeeshan Hamid
JURNAL NASIONAL TEKNIK ELEKTRO Vol 14, No 3: November 2025
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v14n3.1386.2025

Abstract

Quadrature Phase Shift Keying (QPSK) is a widely adopted digital modulation technique that encodes two bits of information in each symbol by utilizing four distinct phase states separated by 90 degrees. This approach offers high spectral efficiency, making it especially suitable for modern communication systems that demand robust data transmission with limited bandwidth. This investigation details the design process and LTspice-based simulation of a QPSK demodulator constructed entirely from discrete electronic components. This work addresses a gap in previous research, which has largely relied on integrated circuits or software-based algorithms, by focusing on circuit-level implementation using basic analog and digital components. The demodulator was assembled on a prototype PCB, combining fundamental operational amplifiers, mixers, filters, and digital logic gates to perform the required signal processing functions. The evaluation involved testing the demodulator's ability to accurately recover the transmitted data and its operational stability. Simulation results demonstrated reliable performance across all stages, with the demodulator successfully maintaining phase detection accuracy and reconstructing the original 8-bit test sequence with high fidelity. Under test conditions with a 1 MHz carrier frequency and a data transmission rate of 500 kHz, the recovered signal showed an approximate delay of 4.5 microseconds attributable to the sequential parallel-to-serial conversion process. Despite the delay, the demodulator maintained full symbol-level correlation with the transmitted data stream. These findings confirm that a discrete component-based QPSK demodulator can effectively support reliable digital communication, highlighting its practicality for educational purposes, low-cost prototyping, laboratory training, and preliminary hardware development in the field of wireless and wired communication systems.
Image Presentation Method for Human Machine Interface Using Deep Learning Object Recognition and P300 Brain Wave Nakajima, Rio; Rusydi, Muhammad Ilhamdi; Ramadhani, Salisa Asyarina; Muguro, Joseph; Matsushita, Kojiro; Sasaki, Minoru
JOIV : International Journal on Informatics Visualization Vol 6, No 3 (2022)
Publisher : Society of Visual Informatics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/joiv.6.3.949

Abstract

Welfare robots, as a category of robotics, seeks to improve the quality of life of the elderly and patients by availing a control mechanism to enable the participants to be self-dependent. This is achieved by using man-machine interfaces that manipulate certain external processes like feeding or communicating. This research aims to realize a man-machine interface using brainwave combined with object recognition applicable to patients with locked-in syndrome. The system utilizes a camera with pretrained object-detection system that recognizes the environment and displays the contents in an interface to solicit a choice using P300 signals. Being a camera-based system, field of view and luminance level were identified as possible influences. We designed six experiments by adapting the arrangement of stimuli (triangular or horizontal) and brightness/colour levels. The results showed that the horizontal arrangement had better accuracy than the triangular method. Further, colour was identified as a key parameter for the successful discrimination of target stimuli. From the paper, the precision of discrimination can be improved by adopting a harmonized arrangement and selecting the appropriate saturation/brightness of the interface.
Co-Authors Abdul Manab Andre Rabiula Andrivo Rusydi Annisa Avif Tiftazani Azhar, Wafianda Azmi, Luxfy Roya Desrinal Tessal Effran Zudeta Fitriani, Dina Foci, Nia Arfina Khalida, Rahmi Khori Ulni, Elvira Laksono, Heru Dibyo M Bahrul Muttaqin Malik, Zeeshan Hamid Marsyah, Ulfy Matsushita, Kojiro Minoru Sasaki Mishi , Salmuna Sajjad Muguro, Joseph Muhammad Rusydi H. Mumuh Muharam Nakajima, Rio Putri, Vivin Mahat Riko Nofendra Rizki Wahyu Pratama Rusydi, Muhammad Ilhamdi Sasaki, Minoru Wirasapta , Andicho Haryus Yosi Riduas Hais