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All Journal International Journal of Electrical and Computer Engineering Jurnal Teknik ITS IPTEK The Journal of Engineering Teknika: Engineering and Sains Journal Jurnal Ilmiah Universitas Batanghari Jambi Syntax Literate: Jurnal Ilmiah Indonesia INOVTEK Polbeng - Seri Informatika BAREKENG: Jurnal Ilmu Matematika dan Terapan ASRO JOURNAL - STTAL Zeta - Math Journal Prosiding Seminar Nasional Sains dan Teknologi Terapan InPrime: Indonesian Journal Of Pure And Applied Mathematics Jurnal Nasional Aplikasi Mekatronika, Otomasi dan Robot Industri (AMORI) Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Sewagati International Journal of Computing Science and Applied Mathematics-IJCSAM
Hendro Nurhadi
Institut Teknologi Sepuluh Nopember Surabaya
Religion Agriculture, Biological Sciences & Forestry Arts Humanities 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 Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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DESIGN AND IMPLEMENTATION OF ELECTRICAL SISTEMS FOR BREAD DOUGH DEVELOPMENT PROOFER TECHNOLOGYS BASED ON MICROCONTROLLER WITH PID CONTROL FOR DONUT DOUGH Silviana W, Ika; Hakim, Muhammad Syaiful; Sampurno, Bambang; Nurhadi, Hendro; Mashuri, Mashuri
IPTEK The Journal of Engineering Vol 11, No 3 (2025)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v11i3.a23047

Abstract

The proofing process is an essential step in bread-making, where the dough is allowed to rest for the gas content to develop and form a soft structure. However, many small-scale bread producers still rely on manual methods for proofing, leading to unstable temperature and humidity levels and longer production times. This study focuses on developing an electrical system for a bread proofer that can stabilize temperature and humidity during the proofing process. The system includes an Arduino Mega microcontroller with a DHT22 sensor for real-time temperature and humidity detection, an I2C LCD for monitoring, and a potentiometer for setting the desired temperature and humidity values. To achieve stability, a PID control system is used. The results show that the system can stabilize at a temperature of 40.10oC and humidity at 80-90RH for approximately 38.4 minutes. This electrical system offers an effective solution for optimizing the proofing process in bread production.
Design of a Sliding PID Controller for The Surge and Roll Motion Control of UNUSAITS AUV Teguh Herlambang; Hendro Nurhadi
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol. 3 No. 2 (2017)
Publisher : LPPM Institut Teknologi Sepuluh Nopember

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Abstract

The development of underwater vehicle technology is commonly utilized in defences. NKRI needs this technology for applications and multifunctional technology becomes an important thing, since its modernization leads to developed AUV as Republics-of-Indonesia’s main weapon is sea defence. This paper proposes motion control system design applying equation of motion with 2 Degree of Freedom (DOF) to AUV system. The equation of AUV motion with 2-DOF covers surge motion and rolling motion is in the form of nonlinear equation. The control system design applied to the system of UNUSAITS AUV uses method of Sliding Proportional Integral Derivative (SPID). The result of SPID control system with the equation of motion with 2-DOF suggested that the stability of the system was reached when the resulted errors on surge motion and rolling motion were respectively 0.002% and 0.05%.
Workability Analysis of 3D Printing Materials for Applications in The Construction Industry Ridho Bayuaji; Hendro Nurhadi; Beta Rahayuning Pratiwi; Yuyun Tajunnisa
IPTEK The Journal of Engineering Vol. 9 No. 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v9i2.a16185

Abstract

The development of 3D Printing machine technology as a printing tool that uses an additive manufacturing method system with the aim of producing a three-dimensional (3D) object or object according to the default digital design file. 3D Printing was created to facilitate construction work, with 3D Printing construction work becoming lighter because this tool saves time, and costs, and reduces the risk of work accidents. With 3D Printing, work runs quickly and avoids problems in the development process. In the last few decades, many developed countries have used 3D Printing technology in making buildings. The 3D printing process basically consists of three different stages namely, data preparation, material preparation and transfer to the printer, and the printing stage. In the data preparation stage, the components are designed as 3D CAD models, then converted to STL (Stereolithography) format and sliced with the desired layer depth. The preparation of concrete involves mixing and placing it into a container. Once fresh concrete has been placed into the container, it can be channeled smoothly through a pump-pipe-nozzle system to print self-compacting concrete filaments, which build structural components layer by layer. The material used in this 3D printing method was Portland cement where this cement is easy to find among the public. Portland cement itself is the cement that is commonly used as a basic material for making concrete, plaster, mortar, and non-specialized mortar. In addition, fly ash and silica fumes are also added as a mixture. The addition of silica fumes increases the compressive strength of concrete. Furthermore, the addition of fly ash to the concrete has the effect of reducing drying shrinkage; but reducing the compressive strength of the concrete. In this study, the author focuses on the workability of 3D Printing concrete materials, and the impact of the material was added with additional type C fly ash and silica fume, namely flowability. The result is a concrete mix design that has good flowability value to be applied to the 3D Printing method.
Rheology Analysis of 3D Printed Geopolymer Based on High Calcium Fly Ash Yuyun Tajunnisa; Ridho Bayuaji; Rifqi Nadhif Arrafid; Hendro Nurhadi
IPTEK The Journal of Engineering Vol. 10 No. 3 (2024)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j23378557.v10i3.a21071

Abstract

The advancement of 3D concrete printing has focused on automation research in recent decades. 3D printing technology is adequate to reduce waste and improve efficiency for construction. Former research on 3D concrete printing used hydration cement based on ordinary Portland cement (OPC), which was not environmentally friendly. An alternative material to overcome problems with hydrated cement mortar is a geopolymer. Geopolymer mortar based on 3D printing is still in its infancy. Mechanical and rheological properties are the key parameters of this technology: yield stress, shear stress, and viscosity. The flow characteristics of 3D concrete printing represented the ability of material transfer along the system of the 3D printing machine. This research utilizes type C fly ash waste as the primary material for making geopolymer 3D-printed concrete. Variations of 8, 10, and 12 M of NaOH concentration were used to investigate the relationship between workability and quality of the geopolymer mortar. Workability testing of 3D concrete printing consists of several parameters: pumpability, extrudability, and buildability. Material identification, including rheology and flowability, is carried out to determine mortar specimens' pumpability, extrudability, and buildability. Several test approaches, such as slump flow, slump, shape retention, and rheometer tests using the vane shear approach method, were conducted to identify the rheological characteristics and flowability of the material. Based on testing of the material's workability, 10 M NaOH concentration variation is the most suitable material for future 3D printing material. The workability of 10 M NaOH is 177.5 mm and the the copressive strength is 25.84 Mpa. This variation meet ACI 318/318R – 14 criterion for building structure.
TECHNO-ECONOMIC ASSESMENT OF REPLACING DIESEL POWER PLANTS WITH OFF-GRID SOLAR PHOTOVOLTAIC SYSTEMS IN REMOTE ELECTRIFIED VILLAGES: A CASE STUDY OF GUNUNG PUREI, INDONESIA Gustiyadi Fathur Rahmandi; Atok Setiyawan; Hendro Nurhadi
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 6 No. 2 (2026): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.18491819

Abstract

The electrification of remote and isolated areas remains a major challenge in Indonesia, particularly in 3T (Outermost, Frontier, and Disadvantaged) regions that still rely on diesel power plants with limited operating hours. This study evaluates the technical and economic feasibility of replacing an existing diesel power plant (PLTD) with an off-grid solar photovoltaic (PV) system integrated with battery energy storage at the Gunung Purei Village Electricity Unit (ULD), Central Kalimantan.The proposed system is designed to transform a 14-hour diesel-based operation into a continuous 24-hour electricity supply. Technical analysis was conducted using PVsyst to assess energy production and performance ratio (PR), while economic feasibility was evaluated using HOMER Pro through indicators such as Net Present Value (NPV), Levelized Cost of Energy (LCOE), Profitability Index (PI), and Discounted Payback Period (DPP). The study compares monocrystalline and polycrystalline PV modules under different battery autonomy scenarios.Results show that the optimal configuration consists of a 588 kWp off-grid solar PV system using 940 monocrystalline PV modules, five 100 kW inverters, a 500 kW power conversion system, and 27 battery sets with a total capacity of 2.94 MWh (one-day autonomy). This configuration achieves a performance ratio of 34.78% and satisfies the annual load demand of 896.19 MWh. From an economic perspective, the system is feasible, yielding a positive NPV of IDR 8.36 billion, a PI of 1.30, and a DPP of 24.77 years.The findings confirm that off-grid solar PV–battery systems using monocrystalline modules provide a technically reliable and economically viable solution for replacing diesel generation in remote electrified villages, while supporting Indonesia’s renewable energy mix target of 23%.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Muhith Adi Setyo Purnomo Adrianto, Dian Agustin, Diah Ahadiyat Luhung Jati Akbar, Reza Maliki Alvin Oktaviantara Dwi Putra Alya Awinatul Rohmah Andy Suryowinoto Ardi Dara Yuda Arief, M. Romli Arif Wahjudi Arif Wahyudi Aristo Ramadhani Asranudin Asranudin, Asranudin Atok Setiyawan Badzlin Nabila Badzlin Nabilah Bambang Sampurno, Bambang Beta Rahayuning Pratiwi Billy Ekaputra Citra ‘Aaqilatul Fa’aidah Dedy Zulhidayat Noor Diah Trisna Rahayu Lestari Didik Prasetyoko Diecky Adzkiya Dieky Adzkiya Dimas Kunto Ariwibowo Dini Ermavitalini Dinita Rahmalia, Dinita Djohana Tri Lois Moyo Djoko Kuswanto Eka Pratiwi Yuniarti Erna Apriliani Erwin Widodo Fazad, M. Haikhal Gustiyadi Fathur Rahmandi Hakim, Muhammad Syaiful Halimah, Adedila Hamdan Dwi Rizqi Hanifah Zaizafun Losu Herdayanto Sulistyo Putro Heru Mirmanto Imam Wahyudi Iman, Muhammad Ilham Nur Indrapaksi, Tengku Ikhwan Alfajri Irhamah Jati, Ahadiyat Luhung Karina Harley Aulia Rizky Katherin Indriawati Laudy Nasya Yanuar Lavida Aisya Salvanora Lea Kristina Anggraeni Mashuri Mashuri Mashuri Mashuri Mayga Kiki Miftahul Huda Mochammad Iqbal Asskhaaf Mufidah, Iftin Farekana Muhammad Lukman Hakim Muhammad Lukman Hakim, Muhammad Lukman Muntari Muntari Ngatini Ngatini Ngatini, Ngatini Noor, Dedy Zulhidayat Nourma Sulistyowati Novia Nurul Hidayah Nur Aini Rakhmawati Nur Khoiriyah Nur Muhammad Adi Yahya Octaviani, Wulan Nur Oktavianto, Lucky Prasetiyo, Sandro Pratama, Silvia Abdi Pratiwi, Tasya Resa Putro, Herdayanto Sulistyo Refdinal Nawfa Ridho Bayuaji Rifqi Nadhif Arrafid Riska Aprilia Riska Aprilia, Riska Rohmah, Alya Awinatul Sandro Prasetiyo Setiawan, Gede Wisnu Silviana W, Ika SRI FATMAWATI Sri Fatmawati Subchan Subchan Subchan Subchan Subchan, Subchan Surya Rosa Putra Surya Rosa Putra, Surya Rosa Suryo Wiyono Susanto, Fajar Annas Taufiq Rinda Alkas Teguh Herlambang Teguh Herlambang Tomasouw, Berny Pebo Triono Bagus Saputro, Triono Bagus Widhayanti, Nur Ari Widi Muranata Wijaya, Koko Lendra Wisnu Wardhana Yuda, Ardi Dara Yunita Alfiyati Firdausa Yuyun Tajunnisa Zahra Salsabila