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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS) Jurnal Ilmu dan Teknologi Kelautan Tropis Diponegoro Journal of Management Jurnal Pendidikan Teknik Mesin Konversi ELINVO (Electronics, Informatics, and Vocational Education) An-Nuha : Jurnal Kajian Islam, Pendidikan, Budaya Dan Sosial Prosiding Seminar Nasional Sains dan Teknologi Terapan J-SAKTI (Jurnal Sains Komputer dan Informatika) IDENTIFIKASI: Jurnal Ilmiah Keselamatan, Kesehatan Kerja dan Lindungan Lingkungan Seminar Nasional Lahan Suboptimal Otopro Indonesian Journal of Engineering and Technology (INAJET) J-SAKTI (Jurnal Sains Komputer dan Informatika) SWARNA Madani: Multidisciplinary Scientific Journal IWTJ : International Water Transport Journal Indonesian Proceedings and Annual Conference of Islamic Law And Sharia Economic (IPACILSE) Jurnal Ilmu Ekonomi, Pendidikan dan Teknik (IDENTIK) Jurnal Rekayasa Mesin Automotive Innovations Journal
Aji Nugroho
Teknik Kimia, Fakultas Teknik Universitas Muhammadiyah Jakarta
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics Public Health Social Sciences Transportation Other

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Pengatur Suhu dan Kelembaban Kumbung Jamur Otomatis Nugroho, Aji; Asyroh, Muhammad Fakhril Kaffah; Pangestu, Aji; Wulandari, Bekti
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 3 No. 2 (2018): November 2018
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (946.049 KB) | DOI: 10.21831/elinvo.v3i2.20347

Abstract

Temperature and humidity have an important role in the cultivation of oyster mushrooms to obtain optimal growth of oyster mushrooms. The optimum temperature required ranges from 24 ° C - 27 ° C and 80% - 90% humidity. The watering of mushroom kumbung should be done regularly, in order to maintain the temperature and humidity of the surrounding air, then conducted research that aims to create a tool that can regulate the temperature and humidity kumbung mushrooms automatically to facilitate farmers keep the temperature and humidity stability continuously. This automatic adjustment system uses DHT-11 sensors as air and humidity and arduino uno gauges as tool controls. Tests conducted for 7 days with data collection in the morning at 06:00 AM, noon at 12:00 PM and afternoon at 4:00 PM. The test results prove that this system of temperature and humidity regulator can keep the stability of room temperature and humidity with an average 25°C of room temperature and 60% of humidity with set point temperature at 27°C and 55% of humidity.
Nutritional Value and Heavy Metal Content of Crab Meat and its Byproduct White Mud Crab Scylla paramamosain Ardiansyah, Ardi; Nugroho, Aji; Meirinawati, Hanny
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 1 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i1.40215

Abstract

Kepiting bakau merupakan komoditas perikanan yang memiliki nilai ekonomi tinggi dan kaya akan aspek gizi seperti asam amino esensial, vitamin, mineral, dan asam lemak. Tingginya konsentrasi logam berat di habitat alami kepiting bakau dapat terakumulasi dan membahayakan kesehatan apabila dikonsumsi. Namun demikian, informasi mengenai kandungan nutrisi dan logam berat dari daging dan produk sampingan pada kepiting bakau masih terbatas. Tujuan dari penelitian ini adalah untuk membandingkan komponen bermanfaat dari daging dan produk sampingan Scylla paramamosain serta untuk menyelidiki keamanan pangan dari kontaminasi logam berat. Analisis kadar proksimat, Vitamin A, D, dan E menggunakan HPLC, kadar vitamin B1, B2, C, dan profil asam amino ditentukan dengan menggunakan UPLC, vitamin B12 ditentukan dengan menggunakan LC-MS, mineral dan logam berat ditentukan dengan metode standar AOAC. Selain itu, asam lemak dianalisis dengan kromatografi gas. Hasil penelitian menunjukkan bahwa protein per gram sebagai mayoritas kandungan masing-masing bentuk (10,24% dalam daging kepiting dan 12,47% dalam produk sampingan). Vitamin yang terdeteksi dari sampel adalah vitamin B2, B12, E. Sebaliknya, logam berat yang di analisis dalam penelitian ini tidak terdeteksi. Asam L-Glutamat adalah komposisi asam amino yang paling melimpah (11037,79 mg/kg daging kepiting dan 15993,22 mg/kg produk sampingan). Selain itu, asam lemak omega-3, asam lemak omega-6, dan omega- 9 asam lemak juga terkandung dalam spesies ini. Hal ini menunjukkan bahwa Scylla paramamosain merupakan sumber pangan yang bermanfaat dan aman untuk dikonsumsi.
STUDI AERODINAMIKA KENDARAAN LISTRIK VU-EV DENGAN PENDEKATAN COMPUTATIONAL FLUID DYNAMICS (CFD) Arifin, Imanuel Timotius; Abdi, Ferly Isnomo; Nugroho, Aji; Arifianti, Lailatus Sa’diyah Yuniar; Diandra, Chaska Akhila Ade
Otopro Vol 21 No 1 Nov 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v21n1.p22-29

Abstract

This research analyzes the aerodynamic characteristics of the VU-EV electric vehicle using Computational Fluid Dynamics (CFD) simulation. The study evaluates airflow patterns, pressure distribution, and wake formation at three speeds (20 km/h, 25 km/h, and 30 km/h), aiming to enhance the aerodynamic efficiency and performance of a six-passenger electric golf car equipped with solar panels.The simulation results indicate that higher speeds result in more turbulent airflow, greater pressure differentials between the front and rear, and increased aerodynamic drag. For future studies, improvements in body design—especially at the rear—and the addition of aerodynamic devices are recommended to minimize drag, alongside experimental validation to ensure simulation accuracy and wider applicability for the development of sustainable vehicles.
Crisis of Spirituality and Rationality Balance in Islamic Education: Philosophical Analysis of K.H. Ahmad Dahlan's Educational Thought Shodikin, Eko Ngabdul; Sa'adi, Sa'adi; Nugroho, Aji; Intania, Naila
An-Nuha : Jurnal Kajian Islam, Pendidikan, Budaya dan Sosial Vol. 12 No. 2 (2025): December
Publisher : LP2M Sekolah Tinggi Agama Islam (STAI) Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64810/annuha.v12i2.854

Abstract

This research aims to philosophically analyze K.H. Ahmad Dahlan’s educational thought as a solution to the crisis in balancing spirituality and rationality within Islamic education. This crisis originates from the dichotomy between religious sciences (ulum ad-din) and general sciences (ulum al-kaun), which leads to value disorientation and weak integration within the Islamic education system. The study uses qualitative methods with a library research design and a hermeneutic-philosophical analysis approach. Data is obtained from the works of K.H. Ahmad Dahlan, biographical literature, and relevant previous research. Analysis is conducted through data reduction, thematic categorization based on ontological, epistemological, and axiological dimensions, and the interpretation of meaning using the framework of educational philosophy. The study reveals that K.H. Ahmad Dahlan developed an integrative educational philosophy that rejects scientific dualism and emphasizes the unity of revelation and reason. Ontologically, humans are viewed as spiritual-rational beings; epistemologically, knowledge derives from revelation and empirical reality; axiologically, knowledge must be realized in social practice. The novelty of this research lies in the systematic reconstruction of Dahlan's educational philosophy as a conceptual model relevant for the reform of modern Islamic education. This thought offers an integrative paradigm for developing value-based curricula, spiritual-digital literacy, and transformative social learning.
ANALISIS PERFORMA MODE NORMAL SEPEDA LISTRIK RODA TIGA (E-TRIKE) MENGGUNAKAN CHASSIS DYNAMOMETER Diandra, Chaska; Abdi, Ferly Isnomo; Ariyanto, Sudirman Rizki; Nugroho, Aji
Automotive Innovations Journal Vol. 2 No. 1 (2026): March (Articles in Press)
Publisher : Department of Automotive Engineering Technolgy

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sepeda listrik roda tiga (e-trike) semakin berkembang sebagai solusi transportasi berkelanjutan di Indonesia, namun penelitian terukur mengenai performa mode operasi komersial masih terbatas. Belum ada studi kuantitatif yang membandingkan performa mode normal dengan variasi beban menggunakan chassis dynamometer di Indonesia. Oleh karena itu, melalui paper ini akan dilakukan pengujian laboratorium menggunakan chassis dynamometer single-roller. Pengukuran dilakukan pada mode Normal dengan tiga variasi beban pengguna (70 kg, 90 kg, 110 kg) untuk mengevaluasi torsi, daya mekanik, dan efisiensi sistem penggerak. Data torsi dan RPM akan direkam oleh sistem dinamometer, sedangkan arus dan tegangan akan diambil dari pembacaan power analyzer, kemudian data akan digunakan untuk perhitungan daya mekanik dan efisiensi. Temuan penelitian ini menunjukkan hasil sebagai berikut: pada beban 70 kg menghasilkan torsi 1,00 Nm dengan daya mekanik 474,8 W dan efisiensi 90,9%, pada beban 90 kg torsi meningkat menjadi 1,08 Nm dengan daya 455,0 W dan efisiensi 83,3%, namun pada beban 110 kg menurun drastis menjadi torsi 0,86 Nm dengan daya 422,0 W dan efisiensi 73,6%. Penurunan tersebut disebabkan aktivasi pembatasan arus (current limiting) oleh controller pada beban 110 kg untuk penghematan daya. Mode Normal terbukti memiliki zona operasi optimal pada rentang beban 70–90 kg dengan responsivitas torsi yang stabil, menjadikannya pilihan operasi terbaik untuk penggunaan harian pada berbagai kondisi beban tanpa perlu switching mode
Analisis Variasi Tegangan dalam Proses Pelapisan Nikel-Krom Material ST37 terhadap Ketebalan dan Kekilapan Permukaan Octa, Moch. Hersan Maudian; Utama, Firman Yasa; Puspitasari, Dewi; Nugroho, Aji
Madani: Jurnal Ilmiah Multidisiplin Vol 4, No 1 (2026): February 2026
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18446547

Abstract

The advancement of manufacturing technology has driven the need for innovation in metal surface protection, one of which is through the electroplating method. This process uses electric current to deposit a coating metal onto the surface of a base metal, aiming to improve corrosion resistance, hardness, and surface aesthetics. Electrical voltage is a key parameter that influences the quality of the resulting coating. This study aims to analyze the effect of electrical voltage on the thickness and gloss of electroplated metal coatings. This study employed an experimental approach consisting of a literature review, problem identification, preparation of tools and materials, testing, and data analysis. The main equipment and materials used in this research included ST37 material, a DC power supply with voltage variations of 3 V, 6 V, and 12 V, electrodes, and an electrolyte solution composed of nickel and chromium. Data were obtained by measuring the coating thickness using a Thickness Gauge and surface gloss using a Gloss Meter for each voltage variation. The results of this study indicate that the applied voltage significantly affects the thickness and glossiness of the electroplated coating. The highest values were obtained at 6 V, with an average coating thickness of 20.80 µm and a gloss value of 566 GU, indicating the formation of a smooth and highly reflective surface.
Analysis of the Effect of Nickel–Chrome Electroplating Time Variations on Coating Thickness and Surface Hardness of ST41 Material Arjuna, Ifan Sheva; Utama, Firman Yasa; Puspitasari, Dewi; Nugroho, Aji
Madani: Jurnal Ilmiah Multidisiplin Vol 4, No 1 (2026): February 2026
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

ST41 steel is a low-carbon steel widely used in the industry due to its toughness, but it has low surface hardness, making it less suitable for components subject to friction. To enhance these surface properties, an electroplating process is performed using nickel as the base layer and chromium as the top layer. This study aims to analyze the effect of varying electroplating time on the thickness and hardness of the ST41 steel surface layer. The research method used was an experiment with variations in nickel coating time of 30 minutes, 45 minutes, and 60 minutes at a voltage of 3 V and a temperature of 55 °C. Chrome plating was carried out for 10 seconds at a voltage of 12 V. Layer thickness testing was conducted using a coating thickness gauge, while surface hardness testing was performed using the Vickers method according to ASTM E384 standards with a load of 50 gf. The research results show that the coating thickness increases with longer plating time, from 18.18 µm at 30 minutes to 20.79 µm at 60 minutes. The highest surface hardness value was obtained at a plating time of 45 minutes, reaching 490.4 HV, then decreased at 60 minutes. This indicates that a plating time of 45 minutes is the most optimal condition for producing a nickel–chrome electroplated layer with the highest surface hardness on ST41 steel.
Analisis Komposisi Bahan Bakar Terhadap Proses Pembakaran pada Kompor Berbahan Bakar Oli Bekas Mubin, Moh. Nurul; Riandadari, Dyah; Wulandari, Diah; Nugroho, Aji
Madani: Jurnal Ilmiah Multidisiplin Vol 4, No 1 (2026): February 2026
Publisher : Penerbit Yayasan Daarul Huda Kruengmane

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18437715

Abstract

Waste management issues have become a national concern with serious impacts on social, economic, health, and environmental aspects. The low level of awareness among communities and industrial actors in managing waste has contributed to environmental pollution. Along with the development of cities and regions, the volume of waste including used lubricating oil from vehicles and motorized machinery continues to increase. Not only in large cities, but small workshops in rural areas also generate used oil waste, resulting in its widespread distribution across Indonesia. This study employed a field experimental method. The approach was conducted by testing fuel mixture compositions in a stove fueled by used oil to observe the effect of fuel composition on the combustion process. The results indicate that variations in fuel composition significantly affect combustion quality. In the mixture of used oil and kerosene, a ratio of 40:60 produced the highest flame temperature of 378°C, the fastest cooking time of 4.05 minutes, and a blue flame indicating more optimal combustion. In contrast, the 60:40 mixture resulted in the lowest temperature of 318°C, the longest cooking time of 5.07 minutes, and a predominantly orange flame. For the mixture of used oil and biodiesel (biosolar), the 40:60 ratio also demonstrated the best performance, achieving the highest flame temperature of 380°C, the fastest cooking time of 3.52 minutes, and a stable blue flame.
Pengaruh Variasi Ketebalan Penampang Segiempat pada Crashbox Terhadap Kemampuan Menyerap Energi Prasetiyo, Prembayun; Wulandari, Diah; Abdi, Ferly Isnomo; Nugroho, Aji
Automotive Innovations Journal Vol. 2 No. 1 (2026): March (Articles in Press)
Publisher : Department of Automotive Engineering Technolgy

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Tingginya angka kecelakaan lalu lintas dengan tipe tabrakan frontal mendorong pengembangan sistem keselamatan pasif kendaraan, salah satunya adalah Crashbox. Crashbox berfungsi menyerap energi tumbukan melalui deformasi plastis sehingga gaya yang diteruskan ke struktur kendaraan dan penumpang dapat diminimalkan. Penelitian ini bertujuan untuk menganalisis pengaruh variasi ketebalan penampang segiempat terhadap kemampuan penyerapan energi dan karakteristik deformasi Crashbox. Metode yang digunakan adalah simulasi numerik berbasis Finite Element Analysis (FEA) menggunakan perangkat lunak ANSYS Explicit Dynamics. Model Crashbox berbahan aluminium alloy AA6061-T6 dianalisis dengan variasi ketebalan 2 mm, 3 mm, dan 4 mm. Simulasi tumbukan dilakukan secara aksial dengan kecepatan impactor 15,6 m/s dan massa 100 kg. Parameter crashworthiness yang dianalisis meliputi Energy Absorption (EA), Specific Energy Absorption (SEA), Mean Crushing Force (MCF), Initial Peak Force (IPF), dan Crash Load Efficiency (CFE). Hasil simulasi menunjukkan bahwa peningkatan ketebalan Crashbox meningkatkan kemampuan penyerapan energi dan kestabilan deformasi. Crashbox dengan ketebalan 4 mm menghasilkan nilai EA tertinggi sebesar 6,862 kJ, SEA sebesar 13,92 kJ/kg, serta CFE sebesar 38,57%, dengan pola deformasi progressive axial folding yang paling stabil. Hasil penelitian ini menunjukkan bahwa variasi ketebalan penampang segiempat berpengaruh signifikan terhadap kinerja crashworthiness Crashbox dan dapat menjadi referensi dalam perancangan sistem keselamatan kendaraan.
Redesign Mesin Belt Sander Meja Portable dengan Metode Quality Function Deployment (QFD): Belt Sander Redesign, Portable, Quality Function Deployment (QFD), House of Quality (HoQ) Andrew Sabbathinus Putra Subagio, Andrew; Riandadari, Dyah; Mahendra Sakti, Arya; Nugroho, Aji
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v11i01.75243

Abstract

Rapid technological developments demand increased efficiency and productivity in various industrial sectors, including the woodcraft industry. The sanding process, which is generally still done manually, results in long processing times and inconsistent results. Belt sanders are a solution to increase efficiency, but most designs in circulation are still large and stationary, making them less suitable for use by small businesses or home workshops. This study aims to redesign a portable benchtop belt sander using the Quality Function Deployment (QFD) method to ensure the resulting design meets consumer needs and desires. Through the QFD method, the voice of the customer is translated into technical product characteristics using the House of Quality (HoQ) matrix. The research method used is quantitative with a product design approach based on the Ulrich and Eppinger model, which includes four stages: planning, development, design, and detailed design. Data analysis is carried out through instrument validity and reliability tests, and processing of QFD results to determine key technical specifications. The results of this study are expected to produce a portable benchtop belt sander design that has better ergonomics, high flexibility, and is able to increase sanding process efficiency for small to medium-scale users.
Co-Authors Achmad Nugrahantoro Aldio, Bintang Tri Andrew Sabbathinus Putra Subagio, Andrew Ardiansyah, Ardi Arifianti, Lailatus Sa’diyah Yuniar Arifin, Imanuel Timotius Ariyanto, Sudirman Rizki Arjuna, Ifan Sheva Armelia Putri, Trida Arya Mahendra Sakti Asyroh, Muhammad Fakhril Kaffah Athiek Sri Redjeki Azam Muzakhim Imamuddin Aziz, Dadang Abdul Bekti Wulandari Caecilia Sri Haryanti Dahnia, Lilis Dewi Puspitasari Diah Wulandari Diandra, Chaska Diandra, Chaska Akhila Ade Dwi Susanto Dyah Riandadari Faizah, Isti Ferly Isnomo Abdi Firman Yasa Utama Fitri Ganda, Andita Nataria Ganda, Andita Ganda, Andita Nataria Fitri Husaini, Fahrian Intania, Naila Janti Soegiastuti Kharismajati, Gema khuluq ma'addin, khusnul Ma’addin, Khusnul Khuluq Meirinawati, Hanny Mohammad Noor Hidayat Mubin, Moh. Nurul Munir, Abdullah Faiq Noeryanto, Noeryanto Noor Sulistiyono Nugraha, Muhammad Erlangga Adi Nur Rohman, Muhammad Octa, Moch. Hersan Maudian P. M. Winarno Periyanto, Ari Peryanto, Ari Prasetiyo, Prembayun Pustika, Rita Rachman Arief, Rachman Rahmadania, Ella Ramadhani A, Gilang Ratna Ika Putri Retno Cahya Mukti Rizal Hari Magnadi Rizky Ramadhani, Muhammad Rusydi Umar Sa'adi, Sa'adi Shodikin, Eko Ngabdul Sry Lidya, Jessica Sutrisno, Slamet Prasetyo Sutrisno, Sri Kelana Suwahyo - Tijanul Uluum, Ahmad Tri agung Wildan, Muhammad Wildan Satrio Bimo