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All Journal HAYATI Journal of Biosciences Jurnal Penyuluhan Jurnal Ilmu dan Teknologi Kelautan Tropis Indonesian Journal of Geography Transmisi: Jurnal Ilmiah Teknik Elektro Torani Journal of Fisheries and Marine Science ELKHA : Jurnal Teknik Elektro Jurnal Ilmu Kelautan Spermonde Indonesian Journal of Biotechnology Jurnal Kelautan Tropis JURNAL NASIONAL TEKNIK ELEKTRO Ngayah: Majalah Aplikasi IPTEKS PROtek : Jurnal Ilmiah Teknik Elektro Jurnal Dinamika Pengabdian (JDP) JURNAL IPTEKS PEMANFAATAN SUMBERDAYA PERIKANAN Briliant: Jurnal Riset dan Konseptual Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil JFMR (Journal of Fisheries and Marine Research) JURNAL MEDIA INFORMATIKA BUDIDARMA Jurnal Penelitian Pendidikan IPA (JPPIPA) Proceeding Simposium Nasional Kelautan dan Perikanan Jurnal Perikanan Universitas Gadjah Mada Jurnal Penelitian Perikanan Indonesia Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Sistem Cerdas Molekul: Jurnal Ilmiah Kimia Building of Informatics, Technology and Science JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Asian Journal of Aquatic Sciences Proceedings of Annual Conference for Muslim Scholars Current Research on Biosciences and Biotechnology Journal of Telecommunication, Electronics and Control Engineering (JTECE) EDUTECH : Jurnal Inovasi Pendidikan Berbantuan Teknologi Jurnal Ekonomi Perjuangan (JUMPER) Jurnal Manajemen Agribisnis dan Agroindustri Indonesian Journal of Informatic Research and Software Engineering Medical and Health Journal BULLET : Jurnal Multidisiplin Ilmu JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Applied Environmental Science Social, Ecology, Economy for Sustainable development goals Journal Kapuas MOMENTUM : Jurnal Sosial dan Keagamaan Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Jurnal Inovasi Mesin Bambu Laut: Jurnal Pengabdian Masyarakat Jurnal Manajemen dan Ilmu Administrasi
Ahmad Faizal
Departemen Ilmu Kelautan, Fakultas Ilmu Kelautan Dan Perikanan, Universitas Hasanuddin
Religion Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry 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 Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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SPATIAL ANALYSIS OF MANGROVE DENSITY AND ITS EFFECT ON MACROZOOBENTHOS IN TEKKOLABBUA, SOUTH SULAWESI. Ramadhani, Razkiyah; Saru, Amran; Faizal, Ahmad
Jurnal Ilmu Kelautan SPERMONDE VOLUME 9 NUMBER 1, 2023
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jiks.v9i1.25121

Abstract

This study aims to detect changes in mangrove cover using 30-meter resolution Landsat imagery in 2019 and 2021 and analysis of changes in density to macrozoobenthos abundance. The research method used is the analysis of satellite imagery with NDVI transformation integrated with field surveys, the relationship between mangrove density and abundance of macrozoobenthos was tested by regression analysis. The results showed that in 1 decade (2009-2021) there was an improvement in the quality of the mangrove ecosystem with an increase in the cover of the mangrove ecosystem by 5.49 Ha, which was accompanied by an increase in mangrove density. Improvement of ecosystem conditions also affects the increase in the abundance of macrozoobenthos in substrates, roots, and stems in mangrove ecosystems even though with a small coefficient of determination.
An Analysis Of Power Struggle In George Orwell’s Novel ‘Animal Farm’ Faizal, Ahmad
BULLET : Jurnal Multidisiplin Ilmu Vol. 2 No. 6 (2023): BULLET : Jurnal Multidisiplin Ilmu (INPRESS)
Publisher : CV. Multi Kreasi Media

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Abstract

This study aims to analyze the power struggle in George Orwell's novel Animal Farm. The author describes the novel Animal Farm using the historical hermeneutic approach of Wilhelm Dilthey and Roland Barthes' semiotic interpretive method. Research data comes from conflicts between animals and humans and between animals on farms. The data analyzed was taken from reading the novel Animal Farm repeatedly and understanding every element in the story. The author then divides the power struggle based on the tyranny that carries out slavery on the farms. Among them is the propaganda by pigs to rebel against all animals against humans. Animal propaganda is not to imitate and torment humans—and pig animal propaganda is to control the farm personally. The results showed that the power struggle in the form of propaganda and violence was influenced by the difference in ideology to exercise power on the farm. And the conclusion of this study is that George Orwell, through his work, is conducting propaganda and criticizing the ideology of power.
Analysis of biodiesel yield percentage from used cooking oil with variations in stirring time Dewi, Sukhma Kusuma; Faizal, Ahmad; Sutriyatna, Sutriyatna
Jurnal Inovasi Mesin Vol. 7 No. 1 (2025): APRIL 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jim.v7i1.22431

Abstract

The increasing volume of hazardous and toxic waste (B3), particularly from used cooking oil, poses significant environmental and health challenges. One promising solution is converting this waste into biodiesel, thereby promoting renewable energy development while reducing ecological risks. This study investigates the yield percentage of biodiesel produced from waste cooking oil using a magnetic stirrer. The research aims to determine the optimal stirring duration to maximize yield and evaluate the flame duration of the resulting biodiesel. The process involved tool and material preparation, biodiesel production via transesterification, and subsequent data collection and analysis. The findings revealed that the highest biodiesel yield, 58.4%, was achieved at a stirring duration of 45 minutes, whereas the lowest yield, 51.2%, occurred at 60 minutes.
Religious Harmony and Improving The Community's Economy In Resin Plantations Pakel Village Lumajang Ramadhani, Kurniawan; Marianingsih, Ita; Faizal, Ahmad
Proceedings of Annual Conference for Muslim Scholars Vol 8 No 1 (2024): AnCoMS, Oktober 2024
Publisher : Koordinatorat Perguruan Tinggi Keagamaan Islam Swasta Wilayah IV Surabaya

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Abstract

This research aims to reveal how the values of local wisdom, especially in the context of religious harmony, contribute to the economic improvement of the resin plantation community in Pakel Village, Gucialit District, Lumajang Regency. Through a qualitative phenomenological approach, this study found that the harmony between religious communities in the village has given birth to a strong practice of mutual cooperation, which is reflected in the joint management of resin plantations. A work ethic that upholds justice and equality regardless of religious background has encouraged increased productivity and income of the community, especially for resin seekers. These findings show that local wisdom has great potential to become social capital in the economic development of natural resource-based communities
Peran Gaya Kepemimpinan Pemilik UMKM terhadap Kinerja Ekonomi Usaha di Era Digital Purnomo, Hari; Faizal, Ahmad; Mubarok, Achmad Hadi
Jurnal Manajemen dan Ilmu Administrasi Vol 1 No 1 (2025): APRIL
Publisher : CV. Lentera Literasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58472/jmia.v1i1.101

Abstract

This study aims to examine the role of leadership styles of MSME (Micro, Small, and Medium Enterprises) owners on business economic performance in the digital era, with a focus on MSME actors in Banyuwangi Regency. The background of this research is based on the importance of adaptive leadership in managing small and medium enterprises affected by technological changes and digital consumption patterns. This study employs a descriptive qualitative approach with data collection methods including literature review, direct observation, and in-depth interviews with ten MSME owners actively using digital platforms. The findings reveal that transformational leadership style significantly contributes to business economic growth through motivation, innovation, and technology adoption. Meanwhile, democratic leadership style encourages employee involvement and operational efficiency through participative decision-making and a collaborative work culture. In contrast, authoritarian leadership style hinders the digital adaptation process and negatively impacts business performance. In conclusion, open, participative, and transformative leadership styles are key to the success of MSMEs in facing the challenges and opportunities of the digital economy. These findings reinforce previous research emphasizing the vital role of leadership in the sustainability and competitiveness of small businesses in the digital transformation era.
Fault Detection In Storage Tank System Using Luenbeger Observer (LO): Simulation-Based Validation. Mursyitah, Dian; Faizal, Ahmad; Zarory, Hilman; Sari, Sitri Permata
JURNAL NASIONAL TEKNIK ELEKTRO Vol 14, No 3: November 2025
Publisher : Jurusan Teknik Elektro Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jnte.v14n3.1332.2025

Abstract

This study presents a comprehensive, simulation-based validation of a Luenberger Observer (LO) specifically designed for fault detection in storage tank systems. It commences with the development of a nonlinear storage tank model, which is subsequently linearized to streamline the observer design process. The LO estimates critical system states and produces residual signals that enable reliable fault detection. The observer gain is meticulously chosen using pole placement techniques to ensure rapid convergence of estimates and overall stability. To evaluate the effectiveness of this approach, three distinct fault scenarios—ramp, square pulse, and inverted ramp signals—are introduced to simulate various types of abnormal conditions that could occur in real-world operations. Simulation results demonstrate that the LO accurately estimates the liquid level states with a mean absolute error of approximately 0.02 meters, equivalent to about 2.6%. Furthermore, the observer detects faults with an average delay between 5 and 9 seconds following fault injection, indicating its prompt response capability. Notably, even with sensor noise levels reaching 6%, the observer maintains stable tracking performance, demonstrating strong robustness against disturbances. Across all tested scenarios, the residual signals show rapid increases during fault conditions and swiftly return near zero once the system reverts to normal operation, with no false alarms observed. Collectively, these results suggest that the Luenberger Observer provides an accurate, rapid, and disturbance-tolerant method for fault detection in storage tank systems. Such an approach offers a practical alternative to data-driven fault detection methodologies, as it relies less on extensive training datasets and can be more readily implemented for real-time industrial monitoring applications.
Co-Authors ., Fathuddin Abd Rasyid Abdul Haris Abdul Haris Abdul Haris Abdul Rasyid Abigail Mary Moore Abigail Mary Moore ADELIA, PUTRI Agus Dana Permana Agus Rohermanto, Agus Agustina Multi Purnomo Agustini Agustini, Agustini Ahmad Fauzan Suryono Akbar Tahir Akbar Tahir Akbar Tahir, Akbar Akbar, Muhammad Razzaq Al Aziz, Vindy Rova Dwiki Alfadri, Ramadhan Alfian Noor Alwi, Lukman Amir Hamzah Muhiddin Amran Saru Amran Saru Amran Saru Amran, Muhammad Anshar Andi Iqbal Burhanuddin Andi Niartiningsih Andriyan, Septa Arifin, Isnaeni Arniati Massinai, Arniati arniati, arniati Asmanurhidayani, Asmanurhidayani Aspirandi, Rendy Mirwan Asy'ari, Farida Azmal, Azmal Chair Rani Chair Rani Chair Rani Derafi, Ryan Dermawan, Rahmansyah Dewi, Sukhma Kusuma Dian Mursyitah Elfira Safitri Farid Samawi, Farid Fathuddin Fathuddin Firmansyah, Dheka Fitrah, Muh Nur H, A Suci Islameini Hadi Mubarok, Achmad Hamdani, Anti Damayanti HARI PURNOMO Hasriani Ayu Lestari Hasriani Ayu Lestari Hendri Hestiawan Hendri, Arsyi Mart Illang, Nur Inayah Yasir Inayah Yasir Indradewa, Rhian Irma Andriani Irma Andriani Irvan, Mhd Abdinul Isman, Fajar Maulana Isman, Muh Isman, Muhammad Isyrini, Rantih J Moka, Wilma Jamaluddin Jompa Joni Rahmadi Jufrizel Jufrizel Khairul Amri Khairul Amri LESTARI, PUSPITA M Natsir Nessa, M Natsir M. Farid Samawi M. Farid Samawi, M. Farid M. Natsir Nessa M. Natsir Nessa M. Natsir Nessa Mahatma Lanuru Mansyurdin, Muharpi Maratina, Dina maria, putut son Marianingsih, Ita Marzuki Ukkas Marzuki Ukkas Marzuki Ukkas Maulana, Abi Melani, Lili Mubarok, Achmad Hadi Muh Anshar Amran Muh Isman Muh Nastsir Nessa Muhammad Farid Samawi muhammad rizky, muhammad Mushlihah, Hidayah Nadziro Khoolishoh, Nisa Natsir Nessa Nita Mutmainna Nugroho, Syarul NURDIN, NURJANNA NYOMPA, ACHMAD HUSEIN Padua, Cintya Pamungkas, Rizky Pebriani, Sovi Rachim, Rastina Rafsanjani Rahmadi Tambaru Rahmat Januar Noor Rahmat Januar Noor Rahmat, Muhammad Habib Ramadhani, Kurniawan Ramadhani, Razkiyah Rantih Isyrini Rastina Rastina Rastina Rastina Rastina, Rastina Ratnawati Gatta RIDWAN, AHMAD SAHLAN Rifqi Mubarak, Rifqi RIZKITA RACHMI ESYANTI Rohani Ambo Rappe Samawi, M Farid Samawi, Muh. Farid Sari, Sitri Permata Shinta Werorilangi Shinta Werorilangi Shinta Werorilangi Shinta Werorilangi, Shinta Son Maria, Putut SONY SUHANDONO Sulaiman Gosalam, Sulaiman Supriadi - Suriadi Mappangara Suriadi Mappangara Suriadi Mappangara Sutrisno, Sutrisno Sutriyatna, Sutriyatna Syamsiar*, Syamsiar Syamsuddin Thoaha Tri Haryanto Ulah, Aulia Ulhaq, Muhammad Dafa Ulhaq, Muhammad Rafif Dhiya Ullah, Aulia Wahyudi, Rico Wahyudin Wahyudin Wasir Samad, Wasir Widodo, Sinta Oktaviani Wahyu Wijayati, Cici Yayi Suryo Prabandari Zainuddin, Zainuddin Zarory, Hilman Zulkarnaen, Adi Zulkarnnaeni, Achmad Syahfrudin