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Station-Keeping Simulation and Planning for LAPAN-A4 Satellite Using Finite-Burn Thruster Zuhri, Muhammad Rizki; Poetro, Ridanto Eko
Indonesian Journal of Aerospace Vol. 19 No. 1 (2021)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2021.v19.a3474

Abstract

To be a Sun-synchronous orbit (SSO), the orbit must have a certain value of nodal precession rate, which equals to 360°/year. However, the value of nodal precession rate is usually drifted by orbit perturbations, mainly by the oblateness of the Earth and atmospheric drag, to be no longer 360°/year as expected for SSO. Thus, the local time of the satellite will change too, so it needs to be corrected by some correction maneuvers. In this research, the authors studied about station-keeping planning for SSO satellite via inclination correction maneuver by simulation using GMAT, a software developed by NASA, with a finite-burn propulsion approach. In this research, LAPAN-A4 satellite is chosen to be the satellite that will be simulated. Some alternative plans of inclination correction maneuver based on maneuvering periods are chosen, they are maneuver for every 2 months, 4 months, 6 months, 12 months, and 24 months. The simulation results show that the optimal station keeping planning is the maneuver for every 2 months. This alternative gives the lowest fuel consumption so that the fuel and launch cost will be minimum, and the local time drift that is still may be tolerated.
Mewujudkan Pemberdayaan Masyarakat Melalui Pelatihan Perawatan Pesawat Udara Khususnya Mesin Turbin Gas Bagi Guru-Guru SMKN 12 Bandung Lenny Iryani; Maria Fransisca Soetanto; Syarif Hidayat; Mochammad Luthfi; Budi Hartono; Radi Suradi Kartanegara; Teguh Wibowo; Yohanes Sinung Nugroho; Muhammad Rizki Zuhri; Citra Asti Rosalia; Zaim Sidqi Islami
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 5 : Juni (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

This program is aimed for teachers from SMK N 12 Bandung. Through this PKM (Community Service Program), it is expected that the training participants will gain insights and enhanced knowledge regarding aircraft maintenance, particularly the maintenance of gas turbine engines. The training was conducted at the Propulsion Laboratory, Aeronautical Engineering Hangar, Department of Mechanical Engineering, from October 12 to 16, 2021. The aircraft engine maintenance training began with a pre-test to assess participants' initial knowledge of aircraft engine maintenance. At the end of the training, a post-test was conducted to measure the improvement in their understanding and knowledge. The outcome of this PKM activity is a certificate of participation in the aircraft maintenance training, specifically focused on gas turbine engines.
Comparison of PID and Fuzzy Logic Controller Performance on Linear and Nonlinear Dynamics of a Quadrotor Muhammad Rizki Zuhri
Faktor Exacta Vol 18, No 1 (2025)
Publisher : LPPM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/faktorexacta.v18i1.26091

Abstract

Rancang Bangun Alat Peraga Dinamika Terbang Pesawat Udara: Implementasi Sistem Kelistrikan Kusnandar; , Muhammad Thariq Abdullah; Muhammad Rizki Zuhri
Prosiding Industrial Research Workshop and National Seminar Vol. 17 No. 1 (2026): Prosiding 17th Industrial Research Workshop and National Seminar (IRWNS)
Publisher : Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35313/irwns.v17i1.7191

Abstract

Dinamika terbang pesawat udara merupakan salah satu materi penting dalam bidang aeronautika karena mempelajari perubahan sikap pesawat pada sumbu roll, pitch, dan yaw akibat gaya aerodinamika yang bekerja selama penerbangan. Penyampaian materi tersebut umumnya masih menggunakan media berupa gambar atau simulasi komputer sehingga kurang memberikan visualisasi perubahan orientasi pesawat secara nyata. Penelitian ini bertujuan merancang dan mengimplementasikan sistem kelistrikan pada alat peraga dinamika terbang pesawat udara berbasis Arduino Uno sebagai media pembelajaran interaktif. Sistem dikembangkan menggunakan tiga motor servo yang merepresentasikan gerakan pada sumbu roll, pitch, dan yaw. Arduino Uno berfungsi sebagai pengendali utama yang menerima data sudut dari MATLAB melalui komunikasi serial, kemudian mengubah data tersebut menjadi sinyal Pulse Width Modulation (PWM) untuk mengendalikan masing-masing servo. Hasil pengujian menggunakan Serial Monitor menunjukkan bahwa ketiga servo dapat bekerja sesuai dengan data masukan. Sementara itu, pada pengujian integrasi dengan MATLAB, servo pada sumbu pitch dan yaw mampu memberikan respons sesuai data yang dikirimkan, sedangkan servo pada sumbu roll belum memberikan respons sehingga masih memerlukan penyempurnaan pada proses komunikasi data. Secara keseluruhan, sistem yang dikembangkan telah mampu merealisasikan integrasi antara MATLAB dan Arduino serta memvisualisasikan perubahan sikap pesawat pada alat peraga sebagai media pembelajaran dinamika terbang pesawat udara.