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All Journal Al-Fiziya: Journal of Materials Science, Geophysics, Instrumentation and Theoretical Physics Jurnal Lahan Suboptimal Primary: Jurnal Pendidikan Guru Sekolah Dasar Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Pendas : Jurnah Ilmiah Pendidikan Dasar PAUD Lectura: Jurnal Pendidikan Anak Usia Dini Jurnal Otomasi Kontrol dan Instrumentasi Halaman Olahraga Nusantara : Jurnal Ilmu Keolahragaan JURNAL PIONIR Cakrawala Repositori Imwi JURNAL KEMUNTING Jurnal Teknik Sipil Cendekia (JTSC) JPB J-Com (Journal of Computer) Jurnal Panjar: Pengabdian Bidang Pembelajaran Aptekmas : Jurnal Pengabdian Kepada Masyarakat Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) Jurnal Ilmiah Pendidik Indonesia Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Pemberdayaan Sosial dan Teknologi Masyarakat Jurnal Penelitian Rumpun Ilmu Teknik Jurnal Ilmiah Teknik Informatika dan Komunikasi ARMADA : Jurnal Penelitian Multidisiplin Ocean Engineering: Jurnal Ilmu Teknik dan Teknologi Maritim Jurnal Bintang Pendidikan Indonesia Prosiding Seminar Nasional Pascasarjana Jurnal Ekonomi Manajemen Akuntansi Journal Of Indonesian Social Society RING Mechanical Engineering Jurnal Kendali Teknik dan Sains Jurnal Manuhara: Pusat Penelitian Ilmu Manajemen Dan Bisnis Journal of Electrical Engineering, Energy, and Information Technology HENGKARA MAJAYA Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Jurnal Intelek Dan Cendikiawan Nusantara Akuntansi Pajak dan Kebijakan Ekonomi Digital Jurnal Intelek Insan Cendikia CEMARA: Jurnal Pengabdian Masyarakat Multidisiplin Jurnal Cakrawala Bahari Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika Venus: Jurnal Publikasi Rumpun Ilmu Teknik Edu Geography Integralistik Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer Joong-Ki Jurnal Agricultural Science Jurnal Ilmiah Mandalika Education Majalah Ilmiah Teknologi Elektro Jurnal Sains dan Sains Terapan
Edi Kurniawan
Pusat Penelitian Informatika - LIPI
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Electric Motor Speed Control on Trimaran Ships Based on Sliding Mode Control Ni Kadek Sri Prameswari; Edi Kurniawan; Diyah Purwitasari
RING ME Vol 5 No 2 (2025): RING Mechanical Engineering
Publisher : Universitas Islam Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33474/rme.v5i2.24236

Abstract

Ships are a means of transportation used in maritime transport activities, yet maintaining propulsion stability and efficiency remains a critical challenge, especially for multi hull vessels such as trimarans operating under dynamic sea conditions. Conventional controllers such as PID and field oriented control (FOC) often struggle to adapt to fluctuating loads and external disturbances. This study addresses that gap by applying Sliding Mode Control (SMC) for brushless DC (BLDC) motor speed regulation on a trimaran prototype. The system employs an STM32 microcontroller integrated with voltage, current, and RPM sensors to provide real time monitoring and robust control. Both static and dynamic tests were conducted at various speed setpoints with artificial wave disturbances. The results indicate that the SMC based system effectively reduced RPM deviation from ±550 RPM in uncontrolled systems to as low as ±3–15 RPM, while current and voltage consumption remained stable within 5%. Furthermore, propulsion efficiency improved by approximately 17% compared to conventional PID control. The most stable performance was achieved at the 8000 RPM setpoint, where current consumption reached 3.9–4.1 A, lower than the 4.7 A observed in uncontrolled operation. However, system performance declined at 10,000 RPM due to nonlinear load effects. These findings demonstrate that SMC provides a robust, adaptive, and energy efficient solution for BLDC motor control in trimaran propulsion, offering significant advantages over traditional methods and serving as a foundation for further optimization in high speed applications.
CONTENT ANALYSIS OF CHILDREN LITERATURE (POETRY) IN THE 2013 CURRICULUM ELEMENTARY SCHOOL STUDENT BOOK IN SHAPING CHILDREN'S PERSONALITY CHARACTERISTICS: AN OVERVIEW OF STYLISTIC ANALYSIS Dirneti; Tisrin Maulina Dewi; Edi Kurniawan
Primary: Jurnal Pendidikan Guru Sekolah Dasar Vol. 10 No. 4 (2021): August
Publisher : Laboratorium Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/jpfkip.v10i4.8462

Abstract

Literary work is the result of an author's imagination expressed through the medium of language. One form of literary work is poetry. As a literary work, poetry is bound by lines and stanzas. This study discusses the content of children's literature (poetry) contained in the 2013 curriculum thematic books of elementary school and how these poems shape students’ personality characteristics based on stylistic analysis. The purpose of the study was to determine the stylistic elements of children's poetry found in the thematic books used in elementary schools under the 2013 curriculum. This research employed a qualitative approach using a descriptive method. The study was conducted in the form of documentation analysis, examining the poems presented in the elementary school thematic books; thus, the objects of the research were the forms of poetry themselves. Based on the results of data analysis, it was found that the children’s poetry contained in the books utilized several sound elements, such as rhyme, alliteration, assonance, anaphora, epanalepsis, mesodiplosis, and onomatopoeia. The use of diction found in the book included Arabic diction. The imagery used consisted of visual, auditory, olfactory, and gustatory images. The figures of speech employed in the poems included personification, hyperbole, metaphor, and simile. Furthermore, several forms of language deviation were identified, such as morphological, syntactic, and graphological deviations. The forms of children’s poetry in the thematic books were designed in accordance with the characteristics of children's poetry, as reflected in the use of sound elements, diction, figures of speech, imagery, and language deviations.
DEVELOPMENT OF INTERACTIVE POWERPOINT LEARNING MEDIA THEME 5 ECOSYSTEM SUBTHEME 1 ECOSYSTEM’S COMPONENT FOR FIFTH GRADE STUDENTS OF SDN 007 TEBING KARIMUN Tisrin Maulina Dewi; Nurlaila; Edi Kurniawan
Primary: Jurnal Pendidikan Guru Sekolah Dasar Vol. 9 No. 4 (2020): August
Publisher : Laboratorium Program Studi Pendidikan Guru Sekolah Dasar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33578/10.33578/jpfkip.v9i4.7953

Abstract

This study aims to know how the procedure for developing interactive powerpoint learning media and testing the feasibility of interactive powerpoint learning media products for fifth grade students of SDN 007 Tebing Karimun. This research was a research and development (R & D) with product development model Borg and Gall, modified as needed. Data on quality of product development were collected by questionnaire. Data analyzed with descriptive quantitative and qualitative techniques. The results of this study showed that: (1) the validation of material experts based on eligibility according to the subcomponent as a whole was in the criteria of 'very good / very feasible' (83%); (2) design expert validation according to the aspects assessed as being overall is in the criteria of 'very good / very feasible' (93%); (3) the response of the fifth grade teacher to the interactive powerpoint learning media developed was in the 'very good' criteria (96%); (4) trials that have been carried out, namely the initial field trials were in the 'very good' criteria (88%), small group field trials were in the 'very good' criteria (92%), while the limited field trials were in the criterion 'very good' (95%). This shows that the interactive powerpoint learning media theme 5 ecosystem subtheme 1 ecosystem’s component for fifth grade students of SDN 007 Tebing Karimun is feasible to be used as learning media in schools.
Isolasi, Karakterisasi, Dan Aplikasi Nanokristal Selulosa : Review Nina Hartati; Edi Kurniawan; Meyci Trisna; Intan Noviarni
JSSIT: Jurnal Sains dan Sains Terapan Vol 1 No 2 (2023): JSSIT: Jurnal Sains dan Sains Terapan
Publisher : Fakultas Sains dan Teknologi, UIN Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/jssit.v1i2.19

Abstract

Cellulose nanocrystals are a type of cellulose with a nanometer size. Sources of cellulose nanocrystals can come from plants, tunicates, or bacteria. Agricultural wastes have great potential as a source of cellulose nanocrystals. Methods that can be used to isolate cellulose nanocrystals from the main ingredient are hydrolysis methods involving the use of organic acids, enzymatic hydrolysis methods, mechanical treatment methods, or a combination of these methods. Each method has its own advantages and disadvantages. Cellulose nanocrystals have been extensively researched and applied in various fields ranging from reinforcing agents in polymer matrices, playing a role in drug delivery systems, or other polymeric materials. This review provides information on each of the isolation methods and applications of these cellulose nanocrystals. Keywords: Cellulose Nanocrystals, Hydrolysis, Mechanical Treatment.
RANCANG BANGUN SISTEM MONITORING KECEPATAN PADA KAPAL TRIMARAN MENGGUNAKAN PIXHAWK Mochammad Zaqi Arif; Edi Kurniawan; Shofa Dai Robbi
Majalah Ilmiah Teknologi Elektro Vol 24 No 2 (2025): ( Juli - Desember ) Majalah Ilmiah Teknologi Elektro
Publisher : Study Program of Magister Electrical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.205.v24i02.P3

Abstract

Indonesia as a maritime nation with vast and strategic oceanic territory, continues to develop efficient and innovative ship technologies. This research focuses on the design and construction of a speed monitoring system for a trimaran vessel using the Pixhawk controller. The system integrates a Pixhawk autopilot unit as the main controller, an STM32 microcontroller for processing, dual BLDC motors, an internal combustion engine (ICE), and a remote control system. The Internet of Things (IoT) platform is employed for real-time data logging and monitoring. Experimental tests were conducted on five reference speed levels slow patrol, reconnaissance, medium patrol, cruising, and chase modes. Quantitative results show that the system achieved rapid response times at medium speeds, with stable operation and an average delay below 0.5 seconds. At high speeds, however, stability decreased by 15–20% due to environmental and load variations. Remote control communication maintained stable performance up to 210 meters with obstructions and 280 meters without obstacles. The results demonstrate that the system effectively supports real-time speed monitoring for trimaran vessels. The novelty of this study lies in the integration of hybrid propulsion and adaptive control within an IoT-based Pixhawk monitoring system, contributing to advancements in smart maritime technology.
Implementasi Pembelajaran Berbasis Masalah Untuk Mengembangkan Kompetensi Sosial Emosional Dan Keterampilan Berkolaborasi Nadzifa, Riska; Ellianawati; Edi Kurniawan
Jurnal Ilmiah Pendidik Indonesia Vol. 4 No. 2 (2025): Jurnal Ilmiah Pendidik Indonesia
Publisher : Papanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56916/jipi.v4i2.2962

Abstract

Tujuan penelitian ini adalah mengkaji bagaimana implementasi model Pembelajaran Berbasis Masalah (Problem Based Learning/PBL) dapat mendukung pengembangan kompetensi sosial-emosional (KSE) dan keterampilan berkolaborasi (KB) siswa kelas IV di SDN Wonomerto 2. Penelitian ini menggunakan pendekatan kualitatif melalui Penelitian Tindakan Kelas (PTK), dengan melibatkan 30 siswa sebagai subjek penelitian. Data dikumpulkan melalui lembar observasi, jurnal refleksi, dan instrumen evaluasi kompetensi, kemudian dianalisis secara deskriptif. Validitas perangkat pembelajaran dinilai oleh ahli media dan guru dengan skor masing-masing 92,67% dan 94,75%, menunjukkan bahwa perangkat pembelajaran tersebut layak, valid, dan praktis digunakan. Hasil penelitian pada pra-siklus, rerata KSE (83,78) dan KB (81,75) berada pada kategori cukup. Pada siklus I, keduanya meningkat ke kategori sedang dengan rerata KSE 97,44 dan KB 102,42. Pada siklus II, KSE mencapai 116,00 dan KB 128,00, di mana KB sudah masuk kategori tinggi. Skor tertinggi dan terendah juga terus meningkat di setiap siklus, menegaskan bahwa PBL efektif meningkatkan kompetensi sosial-emosional dan keterampilan kolaborasi siswa. Berdasarkan hasil tersebut, dapat disimpulkan bahwa penerapan PBL tidak hanya efektif dalam membantu siswa memahami makna gotong royong, tetapi juga mampu memperkuat kompetensi sosial-emosional dan keterampilan kolaborasi. Oleh karena itu, guru disarankan untuk lebih intensif dalam membimbing diskusi kelompok serta melakukan revisi dan penyempurnaan perangkat pembelajaran secara berkelanjutan agar implementasi PBL semakin optimal.Kata Kunci: pembelajaran berbasis masalah, gotong royong, sosial-emosional, kolaborasi.
Perancangan Dual Axis Solar Tracker Guna Efesiensi Panel Surya di Atas Kapal Dhimas Bayu Kuncoro; Diana Alia; Teguh Pribadi; Edi Kurniawan; Samsul Huda
JURNAL 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 Adam Andika Wisesa Ade Taufan Ahmad Faqih Supriyadin Ahmad Fauzi Ahmad Tantoni Aji Pamungkas Akhmad Kasan Gupron Akhmad Khasan Gupron Alamsyah Pohan Alia, Diana Ambran Hartono Ambran Hartono Andi Irwan Benardi Andika Yogi Pratama Anisarida, An An Apik Budi Santoso Aprillia Findayani Ardin Fajar Tri Admaja Argitha Aricindy Arisusanty, Dian Junita Arman Surya Wibowo Asregi Asril Azis Riskian Azmi AZMI AZMI Bagus Indra Pramana Widya Putra Bahmid Bangkit Risang Nugroho Bayu Rahmiyarto Ar-Ridho Bojes Bagus Prastowo Dewi Maharani Dhimas Bayu Kuncoro Dianasari, Eka Lenggang Dirhamsyah Dirhamsyah Dirneti Diyah Purwitasari Dwi Nata, Anggri Dwi Putri Musdansi, Dwi Putri Dyah Ratnaningsih Eddi Eddi Edi Purnomo Egi Agustandi Ellianawati Erni Suharini Erycha Finda Rizkyardina Fahad Abdulloh Bin Ahmad Faris Nofandi Fathur Rossi Fauzan Haqiqi Fauzi Fauzi Frenki Imanto Garry Laksmana Ghedza Natava Blesynky Exzin Gilang Khrisna Murti Gun Faisal Hafid Arrafi Hafudiansyah, Edward Handesman Handesman Handoko, Supri Hartati, Nina Hasnur, Juliandri Hendra Adinanta Ida Martini Alriani Ignatius Sudarto Hasugian Indrawan Indrawan Intan Noviarni Jalu Ahmad Prakosa Juhadi Juhadi Julizar Mauttaqin Jumriana Rahayu Ningsih Khairiyah, Karunia Yulinda Khairul Imtihan Khairun Najib Kustanto, Jaka Septian M Nico Hardianto M Tomy Iskandar M. Dahri M. Iqbal Arsyad M.Taufik Razali Mahaputri Nadya Setyasih Marlina Ardianti Marlon Brando Maulana Al Fikri Melda Yanti Meyci Trisna Meyci Trisna Miftahul Husna Mochammad Zaqi Arif Mohammad Syifauddin Muchamad Dafip Muhammad Dahri Muhiri Mujriah Nadira Putri Sephia Nadzifa, Riska Nafisah Nurul Laili Nafisah Nurulrahmatia Nayaka Yumna Giani Ni Kadek Sri Prameswari Nina Hartati Nina Hartati Nizarrachman Hadi Nofri Yuhelman Nofriadi Nofriadi Novrico Susanto nuraeni, lia Nurdiansari, Henna Nurhapsa Nurlaila Nurul Islamy Nurul Rahmadani Nurwijayanti Pande Gede Agus Parsana Yudha Puji Muniarty Putri Siak Cahyani Rahmadi Rahmadi Rika Fitriani Rindawan, Salabi, dan Baiq Susdiana Fibrianti Risdianto Risdianto Risnawati Rizal Tabriez Tsaqiefudin Rizqi Aini R Rizqi Aini Rakhman Rohvi Iriyanti, Nabella Eka Putri Romanda Annas Amrullah Rosa Murwindra, Rosa Rusydi Rusydi salman al farizi Samsul Huda Setiawan, Felix Shobrina Fitri Shofa Dai Robbi Siti Mashitoh, Anjar Siti Masreah Bernas Siti Nurul Aidil Fitri Sri Mulyanto Surono Surono Suryadi Syapril Janizar Taufig Widianto Taufiq Razali Teguh Pribadi Tisrin maulina dewi Trisnowati Rahayu Ustami Panjaitan Wahyu Hidayat Wasino Wasino Wasino Zainal Abidin