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All Journal Journal of Engineering and Technological Sciences Warta Ardhia : Jurnal Perhubungan Udara Mesin Jurnal Teknologi Dirgantara Jurnal Nasional Teknik Elektro dan Teknologi Informasi Indonesian Journal Economic Review (IJER) SCIENTIFIC JOURNAL OF NURSING RESARCH Indonesian Journal of Aerospace
Hari Muhammad
Aerospace Engineering Study Program, Institut Teknologi Bandung, Jalan Ganesha No. 10 Bandung, Jawa Barat 40132, Indonesia
Aerospace Engineering Astronomy Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Transportation Veterinary

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DESAIN AWAL SISTEM SATELIT TELEKOMUNIKASI PERTAHANAN INDONESIA (PRELIMINARY DESIGN OF INDONESIAN MILITARY TELECOMUNICATION SATELLITE) Triharjanto, Robertus Heru; Faturrohim, Luqman; Poetro, Ridanto Eko; Muhammad, Hari
Indonesian Journal of Aerospace Vol. 14 No. 2 Desember (2016): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30536/j.jtd.2016.v14.a2519

Abstract

Indonesia sebagai negara kepulauan terluas di dunia amat memerlukan sistem satelit untuk menunjang sistem pertahanan dan keamanannya. Atas motivasi tersebut penelitian ini bertujuan untuk membuat desain awal sistem satelit telekomunikasi yang diperlukan untuk pertahanan dan keamanan di Indonesia. Sesuai kaidah perancangan satelit, proses desain awal didahului dengan pembuatan desain konsep. Pada proses desain konsep dilakukan pendefinisikan kebutuhan penggguna, dalam hal ini pihak TNI dan Kementerian Pertahanan, dan studi banding atas solusi satelit telekomunikasi pertahanan di mancanegara. Hasil desain konsep adalah persyaratan misi dan batasan desain, yang harus diacu pada tahap desain awal satelit. Desain awal, diantaranya, menetapkan desain muatan sehingga dapat mengakomodasikan misi, serta ukuran dan berat dari bus satelit, agar bisa memenuhi kebutuhan muatan. Hasil menunjukkan bahwa pemenuhan desain konsep hanya bisa dilakukan dengan desain awal 2 tipe satelit telekomunikasi, yakni dengan frekuensi L-band untuk komunikasi bergerak, dan frekuensi C-band untuk komunikasi statis dengan kecepatan tinggi. Sesuai ketersediaan slot yang menjadi batasan desain, satelit L-band akan ditempatkan di 123 BT. Satelit tersebut mempunyai berat 2200 kg, konsumsi daya 1 kW, dan dapat melayani komunikasi data dengan kecepatan 512 kbps. Satelit C-band, yang akan berada di 118 BT, mempunyai berat 2400 kg, kapasitas daya 1.5 kW, dan dapat melayani komunikasi data dengan kecepatan 10 Mbps. Kedua satelit tersebut dapat beroperasi selama 10 tahun.
SIMULASI GERAK DAN ANALISIS KESTABILAN KOPLING INERSIA WAHANA DIRGANTARA DENGAN BENTUK BADAN RAMPING Muhammad, Hari; Samputra, Hilman; Jenie, Yazdi I; Sembiring, Javensius
Indonesian Journal of Aerospace Vol. 9 No. 1 Juni (2011): Jurnal Teknologi Dirgantara
Publisher : BRIN Publishing

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Abstract

Inertia coupling is a motion phenomenon of a high-speed airplane having slender body and low aspect ratio. This inertia coupling happens when the aircraft performs a roll manoeuvre motion with a high roll rate. This paper will discuss the derivation of inertia coupling equations of motion, modelling equations of motion in the Matlab/Simulink software, simulating the dynamics motion, and analyzing the stability of the inertia coupling. Numerical simulation and stability analysis of the inertia coupling for a fighter aircraft will be presented in this paper.
Hybrid Work Systems, Work Flexibility On Employees' Work-Life Balance Mediated By Organizational Support In Research And Innovation Agencies Revy, Fajar; Suharto; Hari, Muhammad
Indonesian Journal Economic Review (IJER) Vol. 6 No. 1 (2026): March
Publisher : Divisi Riset, Lembaga Mitra Solusi Teknologi Informasi (L-MSTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59431/ijer.v6i1.731

Abstract

To find out the existence of a hybrid work system, work flexibility on employees' work-life balance mediated by organizational support in research and innovation institutions. This study was conducted during the period 2025, with a focus on data and information collected over a period of 3-6 months. To get a comprehensive understanding about the implementation of the work hybrid system at brin impact from the implementation of efficiency programs budget. The results are in the form of a summarized main thing findings that is obtained based on the results of data analysis and discussion that has been described in the previous chapters. Compilation conclusion referring to the research goal and formulation of the problem set, so able to give the whole picture about the answer to the research problem.
Co-Authors Akhmad Farid Widodo Alex J. Sepnov Alex J. Sepnov Arifianto, Ony Arinta H Wijaya Aziz Fathurrahman Bambang Riyanto Bambang Riyanto Duong V. Dung Duong V. Dung Faturrohim, Luqman Hilman Samputra Javensius Sembiring Javensius Sembiring Javensius Sembiring, Javensius Jenie, Yazdi I Lavi Rizki Zuhal Leonardo Gunawan Leonardo Gunawan, Leonardo Luqman Faturrohim Mahardi Sadono Mohamad Hasan Bashory Mulyanto, Taufiq Novi Andria Novi Andria, Novi Poetro, Ridanto Eko Revy, Fajar Ridanto Eko Poetro Ridanto Eko Poetro Robertus Heru Triharjanto Robertus Heru Triharjanto Rully Medianto Samputra, Hilman SUHARTO Taufiq Mulyanto Toto Indriyanto Triharjanto, Robertus Heru Widodo, Akhmad Farid Widowati - Widowati, Widowati Wijaya, Arinta H Yazdi I. Jenie Yazdi Ibrahim Jenie Zuhai, Lavi Rizki Zuhal, Lavi R.