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All Journal Jurnal Keuangan dan Perbankan Bulletin of Electrical Engineering and Informatics JPAP (Jurnal Penelitian Administrasi Publik) (e-Journal) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Jurnal Pertahanan : Media Informasi tentang Kajian dan Strategi Pertahanan yang Mengedepankan Identity, Nasionalism dan Integrity Journal of Robotics and Control (JRC) Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Cafetaria International Journal of Social Science CITIZEN: Jurnal Ilmiah Mulitidisiplin Indonesia JISOS: Jurnal ilmu sosial Journal of Social And Economics Research Media Riset Akuntansi Auditing & Informasi Journal of Social Work and Science Education journal of social and economic research
Zainal Abidin Sahabuddin, Zainal Abidin
Universitas Pertahanan
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Model Predictive Control in Hardware in the Loop Simulation for the OnBoard Attitude Determination Control System Irwanto, Herma Yudhi; Yusgiantoro, Purnomo; Sahabuddin, Zainal Abidin; Bura, Romie O.; Artono, Endro; Hakim, Arif Nur; Nuryadi, Ratno; Andiarti, Rika; Mariani, Lilis
Journal of Robotics and Control (JRC) Vol 5, No 2 (2024)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jrc.v5i2.21613

Abstract

Rocket flight tests invariably serve a purpose, one of which involves area monitoring or aerial photography. Consequently, the rocket necessitates the installation of a camera that remains consistently oriented toward the Earth's surface throughout its trajectory. Thus, ensuring the rocket's stability and preventing any rotation becomes imperative. To achieve this, the Onboard Attitude Determination Control System (OADCS) was researched and developed, fully controlled by NI myRIO with Labview as the programming language, ensures the rocket's attitude control and maintains a rolling angle of 0 degrees during flight. The MyRIO oversees the retrieval of attitude and position data from the X-Plane flight simulator, offering feedback through actuator control. The development of the OADCS proceeded incrementally through stages utilizing the Software in the Loop Simulation (SILS) and Hardware in the Loop Simulation (HILS) techniques, to ensure the verification of the system's functionality before its application to the rocket for real flight testing. In the OADCS control scheme, Model Predictive Control (MPC) is chosen, and it is compared with a PID controller to serve as a benchmark for processing speed. Because the rocket's flight time is short and its speeds of up to Mach 4. The simulation results indicate that MPC can halt the rocket's rotation 12 times more rapidly than PID control. Additionally, the MPC's ability to maintain a zero-degree rotation can persist throughout the rocket's flight time. Employing SILS and HILS enhances the OADCS rocket development process by incorporating MPC, which holds promise for application in real rockets.
Self-Leadership in Supporting Defense Policies Related to the Role of Indonesian Peacekeepers in World Peacekeeping Mission Armanto, Anang Puji; Thamrin, Suyono; Sahabuddin, Zainal Abidin; Djati, S. Pantja
Budapest International Research and Critics Institute-Journal (BIRCI-Journal) Vol 5, No 4 (2022): Budapest International Research and Critics Institute November
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birci.v5i4.7179

Abstract

The leader is the center of the activity. There are many leadership styles, one of which is self-leadership. This leadership style will be applied in supporting Indonesia's national defence policy regarding its participation in mission activities to maintain world peace under the umbrella of the United Nations. Indonesia, which is one of the countries that contribute to the world peacekeeping force, will follow the dynamics and developments of the world, the ups and downs of policies at the United Nations make the State of Indonesia also have to follow the rhythm, the decrease in the number of peacekeepers or the completion of a mission will affect Indonesia's progress, so it takes a good leadership style and can be in line with world developments in the field of maintaining world peace, the difference in the need for troops according to the standards at the United Nations with the professional ability in preparing Indonesian troops is a separate discussion, for that we need a leader who can make decisions carefully and appropriate so that the ultimate goal of Indonesia's participation in world problems will be resolved if there is a leader who has a self-leadership leadership style, using the leadership theory.  
Implementing trajectory correction strategy through model prediction control for flight vehicle missions Irwanto, Herma Yudhi; Yusgiantoro, Purnomo; Abidin Sahabuddin, Zainal; Oktovianus Bura, Romie; Andiarti, Rika; Eko Putro, Idris; Sudiana, Oka; Hanif, Azizul
Bulletin of Electrical Engineering and Informatics Vol 13, No 5: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i5.7798

Abstract

Modeling a high-speed flying vehicle is imperative to ensure the success of vehicle development missions. Moreover, adherence to research protocols mandates a stepwise approach to testing the vehicle model, encompassing simulation trials using software-in-the-loop simulation (SILS), hardware-in-the-loop simulation (HILS), as well as diverse ground and environmental tests prior to flight testing. This study entailed a collaborative effort between MATLAB/Simulink and LabVIEW to seamlessly integrate the model developed in MATLAB/Simulink into LabVIEW for the implementation of model predictive control (MPC) strategy, aimed at trajectory correction (TC) missions for the vehicle. This MPC strategy was directly applied to the onboard flight control system (OBFCS) of the vehicle. Simulation results indicate the successful control of roll and pitch conditions by OBFCS in both SILS and HILS, ensuring the maintenance of flight conditions in accordance with predicted trajectories despite the presence of simulated disturbances. Notably, the simulation demonstrates the independence or absence of interference between each simultaneous MPC control for roll and pitch adjustments.
FINANCIAL DISTRESS DAN PEMULIHAN KEUANGAN PT PAL 2016–2022: ALTMAN Z-SCORE MODIFIKASI DAN PERAN PMN Sidik Murdoko; Zainal Abidin Sahabuddin; Panji Suwarno
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1176

Abstract

PT PAL Indonesia (Persero) sebagai BUMN pertahanan menunjukkan indikasi tekanan keuangan pada 2016–2022. Studi ini menghitung Modified Altman Z-Score (Z’’) dari rasio X1–X4 menggunakan data Annual Report PT PAL periode 2016–2022, serta menganalisis kontribusi masing-masing komponen rasio dan menafsirkan dinamika perubahan dalam konteks Penyertaan Modal Negara (PMN) 2015 dan 2021. Hasil menunjukkan Z’’ berada di zona distress sepanjang periode, dengan rentang nilai dari –0,169 (2016) hingga –1,881 (2021). Pola perubahan mengindikasikan bahwa PMN terutama berkorelasi dengan penguatan solvabilitas (X4), sementara likuiditas modal kerja (X1), defisit laba ditahan (X2), dan profitabilitas operasi (X3) membaik lebih lambat. Temuan ini menunjukkan PMN berfungsi sebagai penahan tekanan jangka pendek, namun tidak menggantikan kebutuhan pembenahan operasional, terutama disiplin manajemen kas proyek, pengendalian biaya, penetapan harga kontrak, dan penataan portofolio proyek. Implikasi kebijakan yang ditawarkan adalah perlunya PMN berikutnya dikaitkan dengan target kinerja terukur (KPI) agar tidak memperkuat soft budget constraint.
FINANCIAL DISTRESS DAN PEMULIHAN KEUANGAN PT PAL 2016–2022: ALTMAN Z-SCORE MODIFIKASI DAN PERAN PMN Sidik Murdoko; Zainal Abidin Sahabuddin; Panji Suwarno
Journal of Social and Economics Research Vol 7 No 2 (2025): JSER, December 2025
Publisher : Ikatan Dosen Menulis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/jser.v7i2.1176

Abstract

PT PAL Indonesia (Persero) sebagai BUMN pertahanan menunjukkan indikasi tekanan keuangan pada 2016–2022. Studi ini menghitung Modified Altman Z-Score (Z’’) dari rasio X1–X4 menggunakan data Annual Report PT PAL periode 2016–2022, serta menganalisis kontribusi masing-masing komponen rasio dan menafsirkan dinamika perubahan dalam konteks Penyertaan Modal Negara (PMN) 2015 dan 2021. Hasil menunjukkan Z’’ berada di zona distress sepanjang periode, dengan rentang nilai dari –0,169 (2016) hingga –1,881 (2021). Pola perubahan mengindikasikan bahwa PMN terutama berkorelasi dengan penguatan solvabilitas (X4), sementara likuiditas modal kerja (X1), defisit laba ditahan (X2), dan profitabilitas operasi (X3) membaik lebih lambat. Temuan ini menunjukkan PMN berfungsi sebagai penahan tekanan jangka pendek, namun tidak menggantikan kebutuhan pembenahan operasional, terutama disiplin manajemen kas proyek, pengendalian biaya, penetapan harga kontrak, dan penataan portofolio proyek. Implikasi kebijakan yang ditawarkan adalah perlunya PMN berikutnya dikaitkan dengan target kinerja terukur (KPI) agar tidak memperkuat soft budget constraint.
Cyber Threats in Hybrid Warfare: A Strategic Mapping and Response Framework for National Defense Octaviana, Shoraya Lolyta; Santoso, Totok Imam; Sahabuddin, Zainal Abidin; Saputro, Guntur Eko
Journal of Social Work and Science Education Vol. 7 No. 3 (2026): Forthcoming Issue
Publisher : Yayasan Sembilan Pemuda Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52690/jswse.v7i3.1556

Abstract

Hybrid warfare integrates military and non-military instruments, with cyberspace emerging as a critical domain. Cyber threats in this context are systemic, multidimensional, and difficult to attribute, yet existing studies often treat cybersecurity and hybrid warfare separately. This study maps cyber threats within hybrid warfare frameworks and formulates strategic responses to support national defense. A qualitative descriptive approach was used, combining systematic literature review (45 peer-reviewed articles and policy documents, 2018–2025), Soft System Methodology (SSM) for complexity analysis, and SWOT analysis for strategic formulation. Four principal cyber threat types were identified: attacks on critical infrastructure, cyber espionage, disinformation campaigns, and influence operations. Key characteristics include multidimensionality, attribution difficulty, asymmetry, and involvement of both state and non-state actors. SSM revealed interconnected systems across technology, governance, and society. SWOT analysis identified strengths (growing digital human resources) and weaknesses (limited inter-agency coordination). A strategic response model comprising system integration, capacity enhancement, and national coordination is proposed. National defense systems must adopt holistic, adaptive frameworks that integrate cyber capabilities, cross-sectoral collaboration, and societal resilience. Future research should empirically test the proposed model in national defense contexts.
Co-Authors Andi Muhammad Alif Ranggong Andiarti, Rika Ansar Tutu Anton Imam Santosa Arifuddin Uksan Armanto, Anang Puji Artono, Endro Bura, Romie O. Eko Putro, Idris Faisa Lailiyul Mutho' Affifah Gita Sari Dewi Gita Sari Dewi Guntur Eko Saputro Hakim, Arif Nur Hanif, Azizul Herma Yudhi Irwanto Irwanto, Herma Yudhi Lilis Mariani, Lilis Muhtar Rifai Octaviana, Shoraya Lolyta Oka Sudiana RAMDANI, EGGY ARMAND Ratno Nuryadi S. Pantja Djati Santoso, Totok Imam Sarjito, Aris Sidik Murdoko Sri Sundari Stevanus Adree Cipto Setiawan Sudiana, Oka Susilo Adi Purwanto Susilo Adi Purwanto````ro Suwarno, Panji Thamrin, Suyono Tien Norma Habsari Yusgiantoro, Purnomo