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All Journal ENGINEERING Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik SITEKIN: Jurnal Sains, Teknologi dan Industri Jurnal ELTIKOM : Jurnal Teknik Elektro, Teknologi Informasi dan Komputer Science and Physics Education Journal (SPEJ) IJEBD (International Journal Of Entrepreneurship And Business Development) Techne : Jurnal Ilmiah Elektroteknika SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Elektrika JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) Journal of Applied Engineering and Technological Science (JAETS) JPKMI (Jurnal Pengabdian Kepada Masyarakat Indonesia) Community Empowerment Journal of Electrical Engineering and Computer (JEECOM) Jurnal Sosial dan Teknologi Jurnal Teknik Elektro (JTE) Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Jurnal Nasional Teknik Elektro dan Teknologi Informasi SmartComp Power Elektronik : Jurnal Orang Elektro Akiratech Emitor: Jurnal Teknik Elektro Journal of Community Empowerment SNTE
Ari Endang Jayati
Program Studi Teknik Elektro, Fakultas Teknik, Universitas Semarang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Analisis Jaringan 4G untuk Aplikasi Smart Ambulance Jayati, Ari Endang; Harmini; Budiningrum, Diah Setyati
Emitor: Jurnal Teknik Elektro Vol 24, No 1: Maret 2024
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/emitor.v24i1.2445

Abstract

Intelligent Transport System (ITS) is an intelligent traffic system used for traffic management and engineering. The ITS network uses inter-vehicle telecommunication technology. The city of Semarang is one of the cities that will establish ITS technology. One area that applies technology is health. The telecommunications system applied in the health sector today allows medical staff to treat patients in ambulances before arriving at the hospital. This communication system needs to be supported by a good cellular network so that data can be sent to the server. This study aims to measure QOS (Quality of Service) including the characteristics of delay, packet loss, jitter, and throughput from various cellular providers. The results of data measurements using wireshark software with TIPHON standard guidelines obtained an average value for delay obtained by Provider A with the best result of 86.22 ms. The average value for packet loss obtained from the measurement results from the Penggaron Terminal to the City Hall Bus Stop was obtained by Provider A with the best result of 0.474% d for the City Hall Bus Stop to the Penggaron Terminal obtained by Provider B with the best result of 0.574%. The average value of jitter obtained from the measurement results from the Penggaron Terminal to the City Hall Bus Stop was obtained by Provider B with the best result of 0.42 ms, for the City Hall Bus Stop to the Penggaron Terminal, Provider A was obtained with the best result of 0.57 ms. The average throughput value obtained from the measurement results for Penggaron Terminal to City Hall Bus Stop was obtained by Provider C with the best result of 6631 Kbps, for City Hall Bus Stop to Penggaron Terminal obtained by Provider B with the best result of 6339.5 Kbps. Based on this, knowing the value of delay, packet loss, jitter and throughput is expected to be a consideration for the development of a smart ambulance system in the city of Semarang. There are two measurement points, namely the Penggaron Terminal to the City Hall Bus Stop and the City Hall Bus Stop to the Penggaron Terminal using the Semarang BRT.
Analisis Optimalisasi Sistem GMDSS untuk Mendukung Keselamatan Pelayaran di Stasiun Radio Pantai Dara Ngahu, Besaliel; Jayati, Ari Endang; Erlinasari
Seminar Nasional Teknik Elektro Vol. 4 No. 1 (2025): SNTE III
Publisher : Forum Pendidikan Tinggi Teknik Elektro Indonesia Pusat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46962/snte.25.090

Abstract

This study analyzes the optimization of frequency coverage in the Global Maritime Distress and Safety System (GMDSS) implemented at the Coastal Radio Station (SROP) of PT Panorama Graha Teknologi. As Indonesia is a maritime country with high dependence on sea transportation, reliable navigation and communication systems are crucial to ensure safety. However, operationalization of GMDSS still faces limitations such as partial system integration, inadequate equipment, and lack of operator skills. The research method included direct observation and system testing at PT Panorama Graha Teknologi. Results show that the use of repeater devices significantly improves VHF frequency coverage, reduces blank spots, and enhances communication clarity between ships and coastal radio stations. The study concludes that repeater implementation provides an effective solution for optimizing GMDSS coverage, thus supporting maritime safety and communication reliability.
Digital transformation of waste banks through IoT-based polystyrene crusher innovation for strengthening the circular economy Nalarsih, Retno Tri; Jayati, Ari Endang; Syahrial, Yoppi
Community Empowerment Vol 10 No 12 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ce.15594

Abstract

An increase in daily household waste volume to 771 kg in Tejorejo Village has disrupted irrigation functions and triggered flooding. This community service program aims to strengthen waste management and the local economy through the implementation of IoT-based Polystyrene Crusher technology. The methodology involved technical training, green economy management mentoring, and direct implementation of IoT-integrated recycling technology. Results demonstrated a significant increase in partner capacity in waste sorting (45%), equipment management (50%), and green marketing literacy (45%). The technology successfully shifted the business model from raw plastic sales to value-added processing, resulting in an initial gross income increase of 2.7%. The integration of IoT allows for precise monitoring of production efficiency while strengthening the resilience of community-based circular economies. This initiative proves that modernizing appropriate technology effectively mitigates environmental risks while creating sustainable economic opportunities at the rural level.
Analisa Suhu dan Tekanan Udara Terhadap TSP Dengan Menggunakan Metode Korelasi Pearson di Kota Semarang aris herizaldi; Ari Endang Jayati; Elfira Nureza Ardina
Smart Comp :Jurnalnya Orang Pintar Komputer Vol 15, No 2 (2026): Smart Comp: Jurnalnya Orang Pintar Komputer
Publisher : Politeknik Harapan Bersama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30591/smartcomp.v15i2.9790

Abstract

Seiring perkembangan modernisasi urban, pertumbuhan ekonomi, dan infrastuktur, menyebabkan Kota Semarang berkembang pesat dengan karakteristik padat penduduk. Seiring pertumbuhan populasi di Kota Semarang serta meningkatkan aktivitas manusia seperti pertumbuhan kendaraan bermotor, pembakaran biomassa serta proyek pembangunan kota yang berpotensi meningkatkan pencemaran udara. TSP (Total Suspended Particulate), parameter pencemaran udara yang terukur oleh kantor BMKG Stasiun Klimatologi Jawa Tengah. Partikulat halus yang mengendap sangat lambat dalam udara ambien berukuran 100 μm (mikrometer) disebut juga TSP. Pengukuran TSP dilakukan menggunakan peralatan HVAS (High Volume Air Sampler). Kesehatan manusia dapat terganggu jika konsentrasi TSP melebihi baku mutu udara ambiennya. Parameter meteorologi juga berkontribusi pada peningkatan jumlah polutan di Kota Semarang. Tujuan dari penelitian yang telah dilakukan adalah menganalisis tingkat konsentrasi TSP, dan mengetahui parameter meteorologi berupa suhu dan tekanan udara terhadap konsentrasi TSP menggunakan metode korelasi Pearson. Koefisien korelasi (r) yang dihasilkan oleh korelasi Pearson menunjukkan kekuatan hubungan linier antara dua variabel, dimana parameter meteorologi suhu dan tekanan udara (variabel independen) terhadap TSP (variabel dependen). Konsentrasi TSP cenderung meningkat secara umum dari Januari hingga Agustus 2025. Menurut hasil analisis, konsentrasi rata-rata bulanan TSP yang terukur selama bulan Januari – Agustus 2025 di Kota Semarang berada dibawah batas aman karena nilai konsentrasinya jauh dibawah standar pemerintah untuk baku mutu udara ambien yaitu 230 μg/m³ (waktu pengukuran selama 24 Jam). Nilai ISPU (Indeks Standar Pencemar Udara)  yang dihasilkan dari proses analisis berada pada rentang 51–100 dan 101-200 berdasarkan perhitungan dengan parameter TSP. Selama periode tersebut, kualitas udara di Kota Semarang berada dalam batas aman walaupun kondisinya berada pada kategori Sedang dan Tidak Sehat. Hasil korelasi parameter meteorologi dengan konsentrasi TSP di Kota Semarang membuktikan bahwa suhu awal hampir tidak memiliki pengaruh terhadap konsentrasi TSP (r=-0.080), suhu akhir tidak cukup memiliki pengaruh terhadap konsentrasi TSP (r=0.174), tekanan udara akhir kurang cukup memiliki pengaruh terhadap konsentrasi TSP (r=0.203), akan tetapi terdapat hubungan yang signifikan walaupun lemah antara tekanan udara awal dengan konsentrasi TSP (r=0.378).
Solar-Powered IoT Aquaculture and Value-Added Catfish Processing to Strengthen Coastal Livelihood in Sayung, Demak, Indonesia Fatchur Roehman; Sunu Arsy Pratomo; Mu'izzaddin Wa'addulloh; Purwanto Purwanto; Muhammad Ikhsan Setiawan; Rohadi Rohadi; Ari Endang Jayati; Erialdi Syahrial
IJEBD (International Journal of Entrepreneurship and Business Development) Vol 9 No 2 (2026): March 2026
Publisher : LPPM of NAROTAMA UNIVERSITY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijebd.v9i2.3707

Abstract

Purpose: This paper examines a community-based entrepreneurial technology intervention that integrates solar-powered IoT aquaculture, portable water purification, value-added catfish processing, and digital commerce to strengthen coastal livelihoods in Sayung, Demak, Indonesia. Design/methodology/approach: The study applies participatory action research and a before-after descriptive case design with two local partners, Saeko Bakti and Saeko Kapti. Data were collected through field observation, focus group discussions, semi-structured interviews, training records, production logs, and simple operational performance indicators before and after technology transfer. Findings: The integrated intervention increased clean-water availability from approximately 500-700 liters/day to 1,500-2,000 liters/day, improved catfish production from 250-300 kg/cycle to 350-400 kg/cycle, reduced feed inefficiency by 15-20%, and increased processed fish volume from 30-40 kg/week to 60-70 kg/week. Monthly sales increased from IDR 3-4 million to IDR 6-7.5 million, while digital transactions contributed about 30-40% of sales after implementation. Paper type: Research paper
Studi Analisis Efisiensi Dan Unjuk Kerja Baterai Pada Sistem Panel Surya Hybrid OFF-GRID Didan Prakosa; Ari Endang Jayati; Roni Kartika Pramuyanti
JURNAL TEKNIK ELEKTRO Vol. 15 No. 2 (2026): MEI 2026
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jte.v15n2.p128-139

Abstract

Sistem panel surya hybrid off-grid merupakan solusi penyediaan energi listrik yang memanfaatkan sumber energi terbarukan secara mandiri tanpa ketergantungan penuh pada jaringan PLN. Dalam sistem ini, baterai memiliki peran penting sebagai media penyimpanan energi listrik dari panel surya yang digunakan saat intensitas matahari rendah atau pada malam hari. Penelitian ini bertujuan untuk menganalisis efisiensi dan unjuk kerja baterai pada sistem panel surya hybrid off-grid dengan mempertimbangkan variasi beban, kapasitas penyimpanan energi, serta tingkat kedalaman pengosongan baterai (Depth of Discharge/DOD). Hasil analisis menunjukkan bahwa efisiensi baterai dipengaruhi oleh besarnya arus pengisian, suhu operasi, serta nilai DOD yang digunakan. Semakin tinggi DOD menyebabkan efisiensi energi menurun dan mempercepat penurunan umur baterai. Hasil penelitian ini menunjukkan bahwa efisiensi sistem panel surya hybrid off-grid dapat ditingkatkan dengan pemilihan kapasitas baterai yang sesuai dengan kebutuhan beban, pengaturan DOD yang optimal, dan penerapan sistem kontrol yang baik antara panel surya, inverter, serta baterai. Hasil studi ini diharapkan menjadi acuan dalam pengembangan sistem energi terbarukan yang efisien, handal, dan berkelanjutan.
Smart Egg Sorting Monitoring System Based on Internet of Things Fa'is Nur Farid; Ari Endang Jayati; Elfira Nureza Ardina
Akiratech Vol. 3 No. 2 (2026)
Publisher : CV. Akira Java Bulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63935/akiratech.v3i2.302

Abstract

The poultry farming industry plays an important role in supplying affordable animal protein. However, egg sorting processes are still commonly performed manually, resulting in inefficiency and inconsistent classification. This research proposes an Internet of Things (IoT)-based egg sorting monitoring system utilizing an ESP32 microcontroller integrated with a load cell sensor for weight measurement and an LDR sensor for shell quality evaluation. The system automatically classifies eggs and transmits monitoring data in real time to the Thinger.io web platform. Experimental results demonstrate that the proposed system achieves high classification accuracy with minimal measurement error. The implementation of this system indicates that IoT technology can significantly enhance efficiency, accuracy, and digital data accessibility in poultry farming.
Analisis Kelayakan Sistem Pentanahan pada Instalasi Listrik Gedung Menara Berdasarkan Puil 2011 Muhammad Wildan Salama; Priyo Adi Sesotyo; Ari Endang Jayati
Science and Physics Education Journal (SPEJ) Vol. 9 No. 2 (2026): SPEJ (Science and Physics Education Journal)
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/cjy2ds13

Abstract

Abstract: This study aims to analyze the feasibility of the grounding system and leakage current in the electrical installation of the Menara Building based on the Indonesian Electrical Installation Standard (PUIL) 2011. The research employed a descriptive quantitative method through direct field measurements using a Kyoritsu 4200 Earth Clamp Tester to measure grounding resistance and a clamp meter to measure leakage current in the distribution panels. The results showed that the grounding resistance value of the transformer grounding system was 11.17 Ω, exceeding the standard limit of ≤ 5 Ω and therefore failing to meet the required standard. Leakage current measurements indicated that several distribution panels were classified as hazardous (>30 mA), particularly those located on the 2nd, 7th, 8th, and 9th floors. In conclusion, the grounding system and several distribution panels in the Menara Building are not yet feasible according to PUIL 2011 standards and require technical improvements to enhance the safety and reliability of the electrical installation system.   Keywords: Electrical Installation; Grounding; Leakage Current; PUIL 2011; Grounding System
Drug Titration Process Control and Identification System Using IoT-Based RGB Sensors Ari Endang Jayati; Fatmawati Wibowo; Erlinasari Erlinasari
Journal of Electrical Engineering and Computer (JEECOM) Vol 8, No 1 (2026)
Publisher : Universitas Nurul Jadid

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33650/jeecom.v8i1.14747

Abstract

The process of determining the levels of drug raw materials using the titration method in pharmaceutical laboratories is generally still carried out manually, potentially causing inaccuracy in determining the titration endpoint. This study aims to design and implement an automatic drug titration control and identification system using an Internet of Things (IoT)-based RGB color sensor. The system is controlled by a built-in ATmega 2560 WiFi microcontroller integrated with a dosing pump as an actuator for adding titrant and a DC motor as a solution stirrer. The RGB sensor is used to detect color changes in the solution until it reaches orange as an indicator of the titration endpoint. The results of the titration process, in the form of process time and titrant volume, are sent in real-time via WhatsApp notifications. Tests were conducted on several drug raw materials, namely stearic acid, boric acid, and citric acid. The test results showed that the system was able to work as designed with titration results close to the manual method, with the highest accuracy level reaching 98.7%. This system is expected to improve the efficiency and consistency of the titration process in pharmaceutical laboratories.
RANCANG BANGUN ANTENA MIKROSTRIP PATCH CIRCULAR DENGAN TEKNIK LINIER ARRAY UNTUK FREKUENSI WIFI 2,4 GHZ Surya Hadi Saputra; Ari Endang Jayati; Erlinasari Erlinasari
Elektrika Vol. 11 No. 1 (2019): April 2019
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.734 KB) | DOI: 10.26623/elektrika.v11i1.1538

Abstract

Microstrip antenna when the antenna is one of the very rapid development in telecommunications systems that applied to many modern telecommunication equipment today. One application is the wifi. Wifi (Wireless Fidelity) is a wellknown tech-nology that utilizes an electronic device to exchange data wirelessly (using radio waves) over a computer network, including high-speed Internet connection, to provide a network connection to all users in the surrounding area. The purpose of this final project is to design microstrip patch antenna built a circular linier array that can be used for signal wifi stronger. The resulting microstrip antenna working in 2.4 GHz band with the acquisition of gain =3.4301 dBi, VSWR = 1.3749 and radiation pattern unidirectional. This antenna design simulation using the software Ansoft High Frequency Structure Simulator v13. For linear circular microstrip patch antenna array then showed its parameters.Keywords: Microstrip Antenna, Wifi, Array, VSWR, Gain
Co-Authors Ananta Wahyu P Andi Kurniawan Anggun Fitrian Ardina, Elfira Nureza aris herizaldi Aziz Fatakhunnaim Bagus Eryawan Budiani Destyningtias Dara Ngahu, Besaliel Derman, Derman Diah Setyati Budiningrum Didan Prakosa Elawati, Nunung Eni Elfira Nureza Ardina Erialdi Syahrial Erlinasari Erlinasari Erlinasari Erlinasari, Erlinasari Ervina Sukoriyanti Erwin Nofiyanto Fa'is Nur Farid Fatchur Roehman Fatmawati Wibowo Harmini Haslina Haslina Hendry, Jans Iin Irawati Kurniawan Nugroho, Andi Latifah Hidayati M. Sipan Minarti, Wahyu Mu'izzaddin Wa'addulloh Muazi, Ari Alwi Kholid Muhammad Ikhsan Setiawan Muhammad Sipan Muhammad Wildan Salama Muliandhi, Puri Nalarsih, Retno Tri Noor Arifin Puri Muliandhi Puri Muliandi Purwanto Purwanto Ramadan, Bimastyaji Surya Rohadi Rohadi Roni Kartika Pramuyanti Satria Pinandita Sesotyo, Priyo Adi Sipan, M. Sipan, Muhammad Solichah Larasati Sri Heranurweni Stefanus Christyan Aditama Sunu Arsy Pratomo Surya Hadi Saputra Susilo, Dhea Ernanda Syahrial, Yoppi Trias Widorini Wahyu Pamungkas Xaverius Kaparang, Stevanus