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All Journal Jurnal Penelitian Saintek ELKHA : Jurnal Teknik Elektro Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) INTENSIF: Jurnal Ilmiah Penelitian dan Penerapan Teknologi Sistem Informasi Limits: Journal of Mathematics and Its Applications Kilat Energi & Kelistrikan Jurnal Ilmiah Sutet TESLA: Jurnal Teknik Elektro TELKA - Telekomunikasi, Elektronika, Komputasi dan Kontrol Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali Buletin Ilmiah Sarjana Teknik Elektro JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri Jurnal Applied Science in Civil Engineering Fokus Elektroda: Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Journal of Electrical, Electronic, Information, and Communication Technology (JEEICT) Kontribusi: Jurnal Penelitian dan Pengabdian Kepada Masyarakat Journal of Informatics and Communication Technology (JICT) Eksergi: Jurnal Teknik Energi EPSILON: Journal of Electrical Engineering and Information Technology El-Rusyd Electrician : Jurnal Rekayasa dan Teknologi Elektro Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) International Journal of Multidisciplinary Research of Higher Education (IJMURHICA) Jurnal Al Kahfi : Jurnal Pendidikan Agama Islam Journal Education And Islamic Studies Ahlussunnah: Journal of Islamic Education Al-Qalam: Jurnal Kajian Islam Dan Pendidikan Journal of Informatics and Communication Technology (JICT) UKAZ: International Journal of Islamic Studies Al-Hashif: Jurnal Pendidikan dan Pendidikan Islam Al-Ashri: Ilmu-Ilmu Keislaman Journal of Sustainable Innovation Engineering Limits: Journal of Mathematics and Its Applications Samara: Journal of Islamic Law and Family Studies SNTE
Samsurizal Samsurizal
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Controversy over Religious Court Decisions Regarding Marriage Isbat Laws Razak, Dudung Abdul; Deski, Ahmad; Nashir, M.; Samsurizal, Samsurizal
Samara: Journal of Islamic Law and Family Studies Vol. 1 No. 1 (2023): December
Publisher : Samara: Journal of Islamic Law and Family Studies

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Abstract

Controversy in religious court decisions regarding marriage itsbat laws is a complex discussion in the context of Islamic law. Itsbat nikah, the process of legalizing marriage in the religious realm, is often a source of disagreement between the parties involved. This research aims to find out the decision of the religious court regarding the law on marriage itsbats. This research uses library research, collecting books and writings that are directly or directly related to the issues above. After the data is collected, classification analysis is then carried out using deductive methods to reach conclusions. Isbat nikah is a request for validation submitted to the Religious Court to declare the marriage valid so that it has legal force. Reasons for submitting a marriage itsbat in KHI Article 7 paragraph 3: The existence of a marriage in the context of settlement, the loss of a marriage certificate, the existence of a marriage that occurred before the enactment of Marriage Law No. 1 of 1974, a marriage carried out by those who do not have obstacles to marriage according to Law No. 1 of 1974. People who have the right to apply for a marriage itsbat in KHI Article 7 paragraph 4, namely husband, wife, their children, and parties who have an interest in the marriage. The urgency of the marriage Itsbat Provides a guarantee of legal certainty for every marriage and provides a guarantee of legal protection for the offspring of each couple. Marriage applications itsbat are made at the Religious Court at the place of domicile of the couple who will carry out their marriage itsbat.
Provision of Family Maintenance From The Income of Fighting Cocks: The Perspective of Saddu Az-Zari'ah Siregar, Linda Sari Bulan; Taufan, Taufan; Sulastri, Widia; Khairi, Muhammad; Samsurizal, Samsurizal; Hertasmaldi, Hertasmaldi
Samara: Journal of Islamic Law and Family Studies Vol. 2 No. 1 (2024): June
Publisher : Samara: Journal of Islamic Law and Family Studies

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Abstract

This research aims to analyze the law of providing family support from income from raising fighting cocks from Saddu Az-Zari'ah's perspective. This research uses a qualitative method with a descriptive approach and an empirical juridical legal approach. Data collection techniques include observation, interviews, and documentation. The results of the research can be concluded that the law regarding family support from income from raising fighting cocks in Saddu Az-Zari'ah's view is considered haram. Because, includes bad actions that lead people to immoral acts, as stated in the provisions of Saddu Az-Zari'ah to determine the legal means (means) that prohibit it. If the result of an action brings benefit as taught by the Shari'a, then this method is permissible, and conversely, if the result of an action is detrimental, even though the aim is for good (supporting the family) then it is considered haram.
Optimasi Produksi Bioetanol Menggunakan Mikroalga untuk Meningkatkan Keberlanjutan Energi Hijau Samsurizal, Samsurizal; Zuriatni, Yulisya; Okvasari, Rudina; Azzahra, Septiannissa; Kentji, Muhammad Zulham
Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Vol. 9 No. 1 (2025): Prosiding Seminar Nasional Inovasi Teknologi Tahun 2025
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/q92wbq50

Abstract

Produksi bioetanol sebagai alternatif energi terbarukan semakin penting untuk mendukung keberlanjutan energi hijau. Namun, proses produksi bioetanol dari bahan baku konvensional masih menghadapi tantangan terkait efisiensi dan dampak lingkungan. Mikroalga, seperti Chlorella vulgaris dan Spirulina platensis, menawarkan potensi sebagai sumber karbohidrat untuk bioetanol, namun optimasi produksinya masih diperlukan. Penelitian ini bertujuan untuk mengoptimasi produksi bioetanol menggunakan kedua mikroalga tersebut melalui simulasi perhitungan biomassa, kandungan karbohidrat, dan potensi bioetanol selama 100 hari. Hasil simulasi menunjukkan bahwa Chlorella menghasilkan biomassa 500 g/L dan potensi bioetanol 63.75 g/L pada hari ke-100, sedangkan Spirulina menghasilkan biomassa 400 g/L dan potensi bioetanol 40.80 g/L. Temuan ini memberikan wawasan penting tentang potensi mikroalga sebagai solusi energi hijau yang ramah lingkungan dan berkelanjutan, serta membuka peluang untuk penelitian lanjutan dalam mengoptimalkan proses produksi bioetanol dengan variabel lingkungan yang lebih beragam dan skala yang lebih besar.
Optimization of DC Fast Charging in CHAdeMO Systems Using Thunderstorm Algorithm with Thermal and Health Constraints Samsurizal, Samsurizal; Afandi, Arif Nur; Faiz, Mohamad Rodhi
Buletin Ilmiah Sarjana Teknik Elektro Vol. 8 No. 1 (2026): February
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/biste.v8i1.14505

Abstract

The significant increase in the use of electric vehicles (EVs) demands the development of fast charging systems that are not only efficient but also maintain battery integrity. One of the primary challenges in direct current (DC) charging is balancing speed with minimizing degradation caused by thermal stress. This study proposes a charging optimization model based on the Thunderstorm Optimization Algorithm (TA) for CHAdeMO-based DC systems. A lithium-ion equivalent circuit battery model was used to simulate electrochemical and thermal dynamics. The model introduces an adaptive charging current profile designed with a dynamic boundary configuration, defined here as the iterative adjustment of current limits according to real-time thermal and health constraints. Compared to conventional constant current–constant voltage (CC–CV) methods, TA considers maximum temperature, State of Health (SoH), and target State of Charge (SoC) simultaneously. The simulation (180 minutes, passive cooling, Python-based) showed that TA reduced SoH degradation to 1.3% and battery life usage to 18.4%—the latter defined as cumulative stress energy normalized to initial capacity—compared to 2.9% and 22.5% for CC–CV. Additionally, TA achieved a higher average charging power (26.1 kW vs. 24.8 kW) without exceeding 50 °C. Although the algorithm requires more computational effort than CC–CV, its moderate complexity suggests feasibility for real-time integration in battery management systems. These findings highlight TA as a promising adaptive and sustainability-oriented charging strategy.
Analisis Sudut Kemiringan Optimum Panel Surya Atap di Kota Jakarta Menggunakan Data Global Solar Atlas Makkulau, andi; Pasra, Nurmiati; Samsurizal, Samsurizal; Yahya, Bayu Lanzardi; Alwan, M Abyan
JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI Vol 11, No 1 (2026): InPress
Publisher : Universitas Al Azhar Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36722/sst.v11i1.4874

Abstract

The utilization of rooftop solar photovoltaic (PV) systems in urban areas has gained significant momentum as part of the energy transition strategy. Determining the optimum tilt angle of PV panels is crucial in maximizing system output. This study aims to analyze the optimum tilt angle for rooftop PV with multiple linear regression in five administrative cities of Jakarta using solar resource data from the Global Solar Atlas. Annual energy yield data were evaluated at an azimuth of 0° (facing north) with tilt angle variations from 0° to 20° in 1° intervals. The analysis employed a quadratic regression model estimated using Ordinary Least Squares (OLS), with uncertainty assessment conducted through 1000 bootstrap iterations. Results indicate that the optimum tilt angle ranges between 5° and 9°, with intercity variations: West Jakarta (5°), North Jakarta (9°), Central Jakarta (7.5°), East Jakarta (8.2°), and South Jakarta (7°). Energy gains compared to the horizontal orientation (0°) are relatively small, less than 1.1%. These findings suggest that for practical rooftop installations in Jakarta, a tilt angle of 7–9° can be recommended, as performance differences with continuous optimum estimation are negligible.Keywords - Global Solar Atlas, Jakarta, Optimum Tilt Angle, Quadratic Regression, Rooftop Solar PV
Simulation-Based Parameter Optimization Using Genetic Algorithm for Microalgae Bioethanol Production Samsurizal Samsurizal; Septianissa Azzahra; Kartika Tresya Mauriraya; Dody Dody; Yulisya Zuriatni; Istianto Budhi Rahardja
Journal of Electrical, Electronic, Information, and Communication Technology Vol 7, No 2 (2025): JOURNAL OF ELECTRICAL, ELECTRONIC, INFORMATION, AND COMMUNICATION TECHNOLOGY
Publisher : Universitas Sebelas Maret (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/jeeict.7.2.108704

Abstract

Bioethanol is a promising renewable energy source, and microalgae such as Chlorella vulgaris and Spirulina platensis offer high productivity potential. This work applies a Genetic Algorithm (GA) to optimize key environmental parameters—pH, light intensity, and temperature—within a simulation framework over a 100-day cultivation period. GA optimization resulted in a 25% increase in total ethanol yield, from baseline values of 51.00 to 63.66 g/L for Chlorella and 32.64 to 40.79 g/L for Spirulina. We benchmarked GA against Particle Swarm Optimization (PSO), Differential Evolution (DE), and Simulated Annealing (SA); GA consistently delivered superior convergence and final yields. The model incorporates phase‑dependent carbohydrate accumulation and realistic environmental disturbances, though biological complexities such as photoinhibition and nutrient limitations are acknowledged as future work. To enable meaningful convergence, the growth model was extended with mild photoinhibition and nutrient limitation terms, ensuring a more realistic fitness landscape. Findings support the viability of metaheuristic optimization in microalgae biofuel systems and indicate potential for intelligent control integration in photobioreactor operations.
Co-Authors A.N. Afandi Adewijaya, Shidarta Rico Adi Prasetya Adirawati, Finka Amalia Putya Afifah Annisa Nurul Afrianda, Rio Afrianto, Afrianto Agus Yogianto Alex Fernandes Alwan, M Abyan Ananda, Shafia Ardian, Irfan Ardianda, Viona Ardina, Andi Ahyina Arisma, Nuria Arova Putra Aula Rohman, M. Mucklis Awang Ringgit Azis, Hastuti Azzahra, Septiannissa Benyamin Hadinoto Busmayaril Busmayaril Busral, Busral Cahyo, Agung Dwi CHRISTIONO CHRISTIONO Christiono, Christiono Dahliya Dahliya Dedi Kurniawan Deski, Ahmad Destina Surya Lestari Devi, Adelia Kaulika Dewi Purnamasari Dhami Johar Dhamiri Dody Dody Dudung Abdul Razak Ediz, M.Hidayat Fadhillah, Nailul Fairakha Rezky Alfaafaa Fathur Nureza Aksan Fikri, Miftahul Fikri, Miftahul Fikri, Miftahul Guslianto, Guslianto Haidi, Junas Hanif Fauji Hastuti Azis Hendri Hestiawan Hendrianto Husada Hendrisab, Hendrisab Hertasmaldi, Hertasmaldi Humaida, Humaida Husada, Hendrianto Husna, Aisyah Rahmatul Ilfiyantri Intyas Iskandar, M. Yakub Islamia, Zelfi Istianto Budhi Rahardja Jesika Anastasia Siahaan, Putri Juliafad, Eka Kapitri, Neneng Kartika Tresya Kartika Tresya M Kartika Tresya Mauriraya Kartika Tresya Mauriraya Kathelya Nindya Ulina Kentji, Muhammad Zulham Khairi, Muhammad Makkulau, Andi Makkulau, Andi Mangende, Indrani Mardiana, Puja Dikusuma Mawardi, Maulana Max Teja Aji Meisyi, Riska Miftahul Fikir Mohamad Rodhi Faiz Muh Fajri Muhammad Awaluddin, Muhammad Mukti, Candra Dwi Mukti MULYANA K., IWA GARNIWA Mutiah, Syarifah Nadia Media Rizka Nadia, Ilmi Nashir, M. Novi Gusti Pahiyanti Nurazizah Nurazizah, Nurazizah Nurmiati Pasra Nurwijayanti Ohira, Norman Pasaleron, Roni Pasra, Nurmiati Putri Aradea, Nadira Putri, Mirna Qori, Syrojul Qori, Syrojul Rahmanda, Rega Rizki Pratama Rizki Pratama Putera Rizki Pratama Putra Rizki Pratama Putra Rohman, Mucklis Aula ROMADHONI, MUHAMMAD LUTHFIANSYAH Rudina Okvasari Sadi, Ifteakar Mohammad Saifudin, Ilham Salvatore Kevin Sani, Finka Rizkina Saputra, Edriagus Sari, Resi Kumala Saudiah, Paridatus Septianissa Azzahra Septiannissa Azzahra Siagian, Faber Agustinus G Siregar, Linda Sari Bulan Sitanggan, Mario Martinus Land Siti Amaliatu Zahra Sulastri, Widia Sungsang Dody Purwanto Taufan, Taufan THAHARA, ANDI AMAR Titi Ratnasari Titi Ratnasari Tito Ganjar Nugroho Turahma, Anisya Uminisara, Uminisara Wahyuni Martiningsih, Wahyuni Wahyuni, Riska Putri Yahya, Bayu Lanzardi Yogi Darul Fadli Yuliantina, Nanda Febby Yulisya Zuriatni Yusrial Yusrial