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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Journal of Mechanical Engineering Science and Technology AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Aviation Electronics, Information Technology, Telecommunications, Electricals, Controls (AVITEC) Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) QISTINA: Jurnal Multidisiplin Indonesia Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Maritim Malahayati Jurnal Penelitian Rumpun Ilmu Teknik Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Jurnal Kendali Teknik dan Sains Scientica: Jurnal Ilmiah Sains dan Teknologi Jurnal 7 Samudra Politeknik Pelayaran Surabaya Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Journal of Education Transportation and Business
Alia, Diana
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Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Nursing Social Sciences Transportation Other

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Analisis Pengaruh Nilai Total Ekspor dan Nilai Total Impor Terhadap Neraca Perdagangan Provinsi Kalimantan Timur Periode Tahun 2020-2024 Pratiwi, Bunga; Maulana, Fajri Hisyam; Diana, Alia; Sukmawati, Diana Ayu; Setiawan, Rio
Journal of Education Transportation and Business Vol 2, No 2 (2025): Desember 2025
Publisher : CV. Rayyan Dwi Bharata

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57235/jetbus.v2i2.7503

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh nilai total ekspor dan nilai total impor terhadap neraca perdagangan di Provinsi Kalimantan Timur selama periode tahun 2020 hingga 2024. Metode yang digunakan dalam penelitian ini adalah pendekatan kuantitatif dengan analisis regresi linier berganda melalui bantuan perangkat lunak SPSS. Data yang digunakan merupakan data sekunder yang diperoleh dari lembaga resmi seperti Badan Pusat Statistik dan instansi terkait lainnya. Hasil penelitian menunjukkan bahwa secara simultan variabel ekspor dan impor berpengaruh signifikan terhadap neraca perdagangan di Provinsi Kalimantan Timur. Secara parsial, variabel ekspor memberikan pengaruh positif dan signifikan terhadap neraca perdagangan, yang berarti peningkatan ekspor akan memperkuat posisi surplus perdagangan. Sebaliknya, variabel impor memiliki pengaruh negatif dan signifikan terhadap neraca perdagangan, yang menandakan bahwa peningkatan impor dapat menurunkan nilai neraca perdagangan atau menimbulkan defisit. Temuan ini menunjukkan bahwa aktivitas ekspor dan impor memiliki peran penting dalam menentukan kondisi neraca perdagangan di Provinsi Kalimantan Timur.
Perancangan Dual Axis Solar Tracker Guna Efesiensi Panel Surya di Atas Kapal Dhimas Bayu Kuncoro; Diana Alia; Teguh Pribadi; Edi Kurniawan; Samsul Huda
JURAL RISET RUMPUN ILMU TEKNIK Vol. 5 No. 1 (2026): April: Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v5i1.7667

Abstract

This study aims to design and test a Dual Axis Solar Tracker to improve the energy absorption efficiency of solar panels on ships. The system is designed with a two-axis movement mechanism (horizontal and vertical) using a linear actuator motor controlled by Arduino Nano and ESP32. Testing was conducted on a 20 WP solar panel in Surabaya for 30 days, divided into three methods: 10 days using an LDR sensor, 10 days using an RTC, and 10 days in static conditions without a sensor. Voltage, current, and power data were measured every 30 minutes at 07.00–17.00 WIB. The test results show that the RTC method provides the highest and most stable output power, according to the sun's movement patterns in tropical areas, while the LDR method responds quickly to changes in light intensity but is less stable in changing weather. Static installation produces the lowest power. This system is able to maintain the panel orientation perpendicular to the sun's rays, thus increasing energy efficiency compared to static systems. These findings prove that dual-axis solar tracker technology, especially with an RTC sensor, is effective in dynamic maritime environments and can be a practical solution for optimizing renewable energy on ships. The most effective results using RTC sensors demonstrated the most stable and high power output, especially since the sun in tropical areas like Surabaya moves fairly consistently following a cyclical pattern. The success of this system not only increases the energy output of solar panels but also provides a practical solution for renewable energy applications in tropical climates.
Co-Authors Abda Abda Adi Galih Utomo AGUS DWI SANTOSO Agus Prawoto Ahmad Alif Farhan Aji Nugraha Akhmad Kasan Gupron Akhmad Kasan Gupron, Akhmad Kasan Ali, Indana Farach Amaliah M, Sri Anak Agung Istri Sri Wahyuni Arisusanty, Dian Junita Bunga Pratiwi Dhimas Ardiansyah Surya Atmadja Dhimas Bayu Kuncoro Dimas Maulana Dimas Okky Anggriawan Dirhamsyah Dirhamsyah Dirhamsyah Dirhamsyah Diyah Purwitasari Eddi , Eddi Eddi Eddi Edi Kurniawan Edi Kurniawan Edi Kurniawan Elly Kusumawati Faris Nofandi Faris Novandi Femmy Asdiana Fitriani, Nabilah Devia Hadi Setiawan Hadi Setyawan, Hadi Hamzah, Irkhas Nur Hegi Putra Pratama Hilmi Wiko Irmawanto, Rudi Jaka Septian Kustanto Kuntoro Bayu Ajie M. Daffa El-Khaq M. Hanifuddin Hakim Manalu, Afrendi Maulana, Fajri Hisyam Maulidiah Rahmawati Maya Zulfida Mochammad Zaqi Arif Muhamad Wildan Herlangga Muhammad Dahri Muhammad Faris Rian Yazid Nindia Puspa Ashari Nugraha, Bugi Nurdiansari, Henna Pradika Maestu Putra Ryan Wibowo Putu Riska Resita Dewi Ramadhan, Rafi Naufal Renita Comalasari Dewi Simanjuntak Renta Novaliana Renta Novaliana Siahaan Renta Novaliana Siahaan Reza Putra Susanto Rizal Tabriez Tsaqiefudin Rizqi Aini Rakhman Samsul Huda Setiawan, Rio Shinta Romadhona Siregar, Amelia Greacy Talenta Soleh Uddin Sony Gunawan Sri Amaliah M Suharso, Didik Sukmawati, Diana Ayu Teguh Pribadi Wani Sihaloho, Otri Wisnu Bachtiar Fanani Zulfida, Maya