Article Per Year (5 Year)
p-Index From 2021 - 2026
6.233
P-Index
This Author published in this journals
All Journal TEKNIK INFORMATIKA JREC (Journal of Electrical and Electronics) JOIV : International Journal on Informatics Visualization Jurnal Pengembangan Teknologi Informasi dan Ilmu Komputer JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING JOURNAL OF MECHANICAL ENGINEERING, MANUFACTURES, MATERIALS AND ENERGY Jurnal Komputer Terapan Jurnal SOLMA JOURNAL OF APPLIED INFORMATICS AND COMPUTING Journal of Computer Science and Informatics Engineering (J-Cosine) Jurnal Teknologi Terpadu MULTINETICS Management Studies and Entrepreneurship Journal (MSEJ) Jurnal Abdi Insani International Journal of Electrical, Energy and Power System Engineering (IJEEPSE) Bubungan Tinggi: Jurnal Pengabdian Masyarakat Information Science and Library Ekobis: Jurnal Ilmu Manajemen dan Akuntansi Mejuajua Indonesian Community Journal Asian Journal of Management Analytics IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Jurnal Genesis Indonesia Jurnal Pepadu International Journal of Multidisciplinary Sciences and Arts Jurnal Ilmu Manajemen Dan Kewirausahaan (JIMK) IRA Jurnal Pengabdian Kepada Masyarakat Jurnal Ilmiah Teknik Mesin & Industri (JITMI) SWARNA: Jurnal Pengabdian Kepada Masyarakat Atestasi : Jurnal Ilmiah Akuntansi
INDRA HERMAWAN
Politeknik Negeri Jakarta
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering 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 Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Other

Published : 55 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 55 Documents
Search

 2   3   4   5   6 
Analysis of Bending Strength of Composite Materials in Bipolar Plates for Fuel Cell Technology Zarmawan, Husri; Iswandi, Iswandi; Hermanto, Tino; Darianto, Darianto; Hermawan, Indra; Idris, Muhammad; Jufrizal, Jufrizal; Rahmad Aldori, Yopan
JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Vol. 8 No. 2 (2025): Journal of Electrical and System Control Engineering
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jesce.v8i2.14227

Abstract

This study aims to this study was to examine the effect of polypropylene (PP) plastic and activated carbon (AC) composition in a plastic composite material. The composite material was mixed using an internal mixer at a processing temperature of 220°C and a speed of 50 rpm. The mixture was then molded with dimensions of 100 mm in length, 15 mm in width, and 2,5 mm in thickness. The sample molding was performed using a compression molding method with a pressure of 1500 MPa at 250°C and a holding time of 300 minutes. Subsequently, the samples were cut according to the bending test dimensions following ASTM D790-03 standards, with dimensions of 100 mm x 12.7 mm x 2.5 mm. The test results for the polypropylene-activated carbon composite in the first composition showed a maximum stress point of 36.95 MPa and an elastic modulus of 4.3096 MPa, while the second composition showed a maximum stress point of 34.58 MPa and an elastic modulus of 3.371 MPa. These findings indicate that increasing the activated carbon composition in polypropylene polymer results in a reduction in bending strength.
Manufacture of a Horizontal Double-Screw Mixer for Fermented Feed Production with a 100 kg Batch Capacity Ariyudha, Andhika; Darianto, Darianto; Hermanto, Tino; Rahmad Aldori, Yopan; Iswandi, Iswandi; Hermawan, Indra; Idris, Muhammad; Jufrizal, Jufrizal
JOURNAL OF ELECTRICAL AND SYSTEM CONTROL ENGINEERING Vol. 8 No. 2 (2025): Journal of Electrical and System Control Engineering
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jesce.v8i2.14228

Abstract

In general, every livestock needs feed in the form of a mixture of livestock feed. The livestock feed fermentation process is currently phenomenal because it provides benefits that are felt by farmers. Maybe many people know the fermentation as a process of making supplement drinks only. It turns out not, the fermentation process can be used as an alternative to making high-quality livestock feed. In addition to being very simple to make, making feed by fermentation also saves time and money, because farmers are no longer busy with herding or grazing. This horizontal mixer machine has a capacity of 100 kg / Batch. In making this machine includes manufacturing processes such as: welding, grinding, drilling, bending, cutting torch or gas cutting, and non-permanent joints, namely nut and bolt joints. The components of the machine are: frame, tube, double screw, axle shaft, bossing, gear box, housing bearing, block bearing, pulley, v-belt, and electric motor. And then assembled and put together into a machine. From the above explanation, the following conclusions can be drawn: 1. Horizontal mixer machine with a tube diameter of 60 cm and a width of 90 cm, is capable of mixing 100 kg/batch of animal feed. 2. Horizontal mixer machine using a double screw produces a more homogeneous mixture compared to using the manual method.
Implementation of Smart Record System Based on Face Detection for Teacher Attendance Recording and Reporting Based on IoT Hermawan, Indra; Yulianti, Susana Dwi; Murad, Fachroni Arbi; Setianto, Bayu Dwi; Fadil Azhar, Raden Muhammad; Sutama, Muhammad Ilham
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 7, No 2 (2025)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v7i2.13885

Abstract

Teachers and staff at Sekolah Alam Indonesia (SAI) Cibinong have been using a manual attendance system, which has caused delays in attendance recapitulation and inefficiencies in reporting and monitoring. To address this problem, the Participatory Action Research (PAR) method was adopted, emphasizing active involvement from the school community in every stage of the program. The PAR method was chosen because it fosters a collaborative approach, ensuring that the solution is tailored to the specific needs and context of the school. The Smart Record System, an automated Internet of Things system that uses facial detection technology for precise attendance recording and reporting, was introduced by the community service program to address this problem. To increase participants' understanding of data security, this program offered a seminar on Personal Data Protection in social media and system implementation. To guarantee efficient use of the technology, the methodology included system installation, integration with IoT components, and training sessions. After providing participants with practical system operation experience, system assessments and feedback gathering were conducted to gauge the implementation's efficacy. The outcomes demonstrated how the smart attendance system, which offered real-time attendance data and prompt reporting, greatly simplified the attendance management procedure. Based on the questionnaire responses, the system achieved an average user satisfaction score of 3.86 out of 5, reflecting a 77.2% positive agreement among users. Furthermore, the reliability of the questionnaire, measured by Cronbach’s Alpha, was 0.85, indicating a high level of consistency in the responses. These quantitative findings confirm that the system significantly improved the efficiency of attendance management while being well-received by teachers and staff.
Efisiensi Turbin Kincir Air Akrilik Undershot 8 Sudu 15o Tampubolon, Rizky; Hermawan, Indra; Idris, Muhammad
Jurnal Ilmiah Teknik Mesin & Industri (JITMI) Vol 2, No 1 (2023): Jurnal Ilmiah Teknik Mesin & Industri (JITMI), May
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jitmi.v2i1.2015

Abstract

Electricity is one of the vital energy sources that is highly demanded by society. However, there is still an imbalance in the availability of electricity in Indonesia, especially in remote or isolated areas that are difficult to reach by the national power grid (PLN). To address this issue, one of the solutions that can be employed is Micro Hydro Power Plant (PLTMH), which is a renewable power generation system. In PLTMH, water turbines are utilized as a medium to generate rotation through the force exerted by the flowing water from a certain height. The water head plays a significant role in the performance of the water turbine, where a higher waterfall and impact on the turbine blades result in faster rotation and greater energy production. This study presents the experimental results of an Undershot Water Turbine made of Acrylic material with 8 blades and a blade angle of 15°. The experiment employed a water volume of 58 liters and a water gate opening of 3 cm. The results showed that the water turbine generated a power of 0.41584 watts, while the power produced by the flowing water was 1.23186 watts. The efficiency of the water turbine in this experiment reached 33%. Based on this research, it can be concluded that the proper utilization of an Undershot Water Turbine made of Acrylic material with an appropriate number and angle of blades can yield significant power output. Moreover, the achieved efficiency level of 33% demonstrates that the water turbine can serve as an efficient alternative for renewable electricity generation.
PENGARUH BUDAYA ORGANISASI DAN DISIPLIN KERJA TERHADAP PENINGKATAN KOMPETENSI DAN KINERJA APARATUR SIPIL NEGARA (ASN) PADA BADAN PENDAPATAN DAERAH PROVINSI BANTEN: PENGARUH BUDAYA ORGANISASI DAN DISIPLIN KERJA TERHADAP PENINGKATAN KOMPETENSI DAN KINERJA APARATUR SIPIL NEGARA (ASN) PADA BADAN PENDAPATAN DAERAH PROVINSI BANTEN Indra Hermawan1) 1)Magister Manajemen Universitas Sultan Ageng Tirtayasa (11pt) e-mail: indrahermawan11jan1999@gmail.com1) Hermawan, Indra
EKOBIS Vol 13 No 1 (2025): Jurnal EKOBIS
Publisher : Universitas Boyolali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36596/ekobis.v13i1.1827

Abstract

Saat ini, budaya organisasi pada Badan Pendapatan Daerah (Bapenda) Provinsi Banten telah tumbuh dan berkembang, yang dilakukan dengan cara menanamkannya kepada semua pegawai melalui proses peningkatan disiplin dan motivasi kerja, pendidikan dan pelatihan, serta pembelajaran dan pengalaman, sehingga diharapkan akan dapat meningkatkan kompetensi dan kinerja seluruh pegawai dan kinerja organisasi (Bapenda Provinsi Banten). Tujuan penelitian ini untuk mengetahui besarnya pengaruh budaya organisasi, disiplin kerja, dan kompetensi terhadap kinerja. Kebaruan (novelty) dari penelitian yaitu: (1) penelitian ini merupakan penelitian pertama yang membahas tentang pengaruh budaya organisasi dan disiplin kerja terhadap peningkatan kompetensi dan kinerja pegawai Aparatur Sipil Negara (ASN) pada Bapenda Provinsi Banten, dan (2) hasil penelitian menunjukan bahwa: (i) budaya organisasi dan disiplin kerja berpengaruh langsung positif terhadap kompetensi, dan (ii) budaya organisasi, disiplin kerja, dan kompetensi berpengaruh langsung positif terhadap kinerja pegawai. Populasi dalam penelitian ini yaitu seluruh ASN pada Bapenda Provinsi Banten, berjumlah 328 orang. Jumlah sampel sebanyak 230 orang, yang diambil dengan metode simple random sampling. Penelitian kuantitatif ini termasuk penelitian survei, menggunakan uji statistik, dan software program SmartPLS 3.2.9. Hasil penelitian ini menyatakan bahwa: (i) budaya organisasi dan disiplin kerja berpengaruh langsung positif terhadap kompetensi, dan (ii) budaya organisasi, disiplin kerja, dan kompetensi berpengaruh langsung positif terhadap kinerja pegawai Aparatur Sipil Negara (ASN) pada Bapenda Provinsi Banten. Kata kunci : Budaya Organisasi, Disiplin Kerja, Kompetensi, Kinerja.
Identifikasi Jenis Aliran Pada Sistem Pipa Bertekanan Dengan Pompa Seri Dan Paralel Ginting, Hotman; Lingga, Jimy; Jufrizal, Jufrizal; Hermawan, Indra
IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) Vol 4 No 1 (2025): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajtma.v4i1.183

Abstract

Centrifugal pumps are widely used to move fluids through increased pressure efficiently. This study examines the effect of series and parallel pump configurations and valve opening variations on flow characteristics in a pressurized piping system. A laboratory experiment method with two repetitions was used. The results showed turbulent flow at 50%, 75%, and 100% valve openings with Reynolds numbers above 10,000. In comparison, at a 25% opening, series pumps tend to produce laminar flow (Re < 600), and parallel pumps maintain transitional/turbulent flow (Re > 4,000). The recommendation is to use series pumps for high pressure and parallel for large discharge, with a minimum valve opening of 25% for optimal efficiency.  
IoT-Based Smoking Violation Detection System Equipped with Object Detection Using YOLOv5s Algorithm Putri, Audina Amalia; Hermawan, Indra
Journal of Applied Informatics and Computing Vol. 9 No. 3 (2025): June 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i3.8459

Abstract

Smoking is a common habit in Indonesia. The Indonesian government has implemented regulations on smoke-free areas, but violations of the smoke-free policy still often occur. Previous studies have developed smoking violation detection system based on the MQ sensor. However, the smoking violation detection system based only on the MQ sensor is less reliable because the detected gas could come from other sources. Therefore, this study discusses a smoking violation detection system that can automatically verify smoking violation activities using the MQ-7 sensor, MQ-135 sensor, and the YOLOv5s algorithm. The MQ-7 sensor that has been calibrated to detect CO in ppm units achieved an accuracy level of 89.84%. The MQ-135 sensor also has successfully detected ammonia and toluene in cigarette smoke in ppm units. The trained YOLOv5s algorithm achieved an average Precision of 91.9%, Recall 83.7%, F1-Score 87.6%, and mAP50 88.3%. The system is equipped with a speaker that will sound automatically after a verified smoking violation occurs and Telegram notifications in the form of text messages and images.
Pemanfaatan Teknologi IoT Pada Budidaya Ikan Di Kel. Limus Nunggal, Cileungsi, Bogor Dwi Yulianti, Susana; Malik Matin, Iik Muhamad; Iswara, Ratna Widya; Arnaldy, Defiana; Oktivasari, Prihatin; Suhandana, Ariawan Andi; Hermawan, Indra; Zain, Ayu Rosyida; Wirawan, Chandra
Mejuajua: Jurnal Pengabdian pada Masyarakat Vol. 4 No. 3 (2025): April 2025
Publisher : Yayasan Penelitian dan Inovasi Sumatera (YPIS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/mejuajuajabdimas.v4i3.212

Abstract

Program perikanan di KRL Kampoeng Berseri merupakan inisiatif pemanfaatan lahan untuk memberikan nilai ekonomi. Namun, keterbatasan pengetahuan dalam pengelolaan perikanan menjadi kendala utama, terutama dalam pengontrolan kualitas air kolam yang masih dilakukan secara manual dan tanpa standar. Pengontrolan ini mencakup parameter penting seperti kandungan air, pH, oksigen terlarut, amonia, dan kecerahan. Kondisi tersebut dapat menghambat pertumbuhan ikan dan menyebabkan produksi yang tidak optimal. Untuk menjawab permasalahan di KRL Kampoeng Berseri, Desa Limus Nunggal, Kec. Cileungsi, Kabupaten Bogor, diusulkan penerapan teknologi IoT sebagai sistem kontrol kualitas air dalam budidaya ikan nila. Teknologi IoT memungkinkan pemantauan parameter kualitas air secara otomatis, seperti pH, oksigen terlarut, amonia, dan kecerahan, guna menciptakan lingkungan budidaya yang optimal. Implementasi IoT ini merupakan langkah awal dari pengabdian masyarakat pada tahun pertama, sebagai upaya mengatasi permasalahan prioritas agar kegiatan pengabdian dapat terus dikembangkan di masa mendatang. Hasil evaluasi menunjukkan bahwa kegiatan pengabdian ini berhasil meningkatkan keterampilan teknis dan pemahaman peserta terhadap teknologi IoT. Berdasarkan hasil kuesioner mengenai tingkat kepuasan mitra, 57,1% peserta menyatakan sangat puas terhadap pelaksanaan seminar dan workshop. Selain itu, 66,7% responden menyatakan bahwa perangkat IoT yang diperkenalkan sangat membantu dalam proses budidaya ikan, menunjukkan keberhasilan kegiatan dalam meningkatkan produktivitas dan efisiensi dalam pengelolaan kolam ikan di KRL Kampoeng Berseri.
Penerapan Reaktor Biogas Skala Rumah Tangga dari Kotoran Domba sebagai Solusi Energi di Umroh Farm Idris, Muhammad; Umroh, Bobby; Jufrizal, Jufrizal; Hermawan, Indra; Harahap, Uun Novalia
IRA Jurnal Pengabdian Kepada Masyarakat (IRAJPKM) Vol 3 No 1 (2025): April
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajpkm.v3i1.174

Abstract

This Community Service activity addresses sheep manure waste issues at Umroh Farm, Patumbak Village, Deli Serdang. Waste buildup causes odor and environmental pollution despite its potential as biogas material. The solution was implementing appropriate technology by constructing a household-scale biogas reactor. Activities included participatory training, equipment assembly, and field trials. The digester, with a ±200-liter capacity, was made from plastic drums and equipped with input-output, cleaning, and gas collection lines. The implementation produced an average of 0.015 m³ of biogas per hour, with fire ignition lasting 1–2 seconds. The program reduced livestock waste, improved farmers’ awareness and skills and supported clean energy and climate change mitigation goals. Its success shows that simple biogas technology can provide an integrated solution for environmental management and community empowerment.
Community-Driven Brand Loyalty: The Interplay of Experience, Benefits, and Engagement Hermawan, Indra; Ginting, Paham; Rini, Endang Sulistya
Asian Journal of Management Analytics Vol. 3 No. 4 (2024): October 2024
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ajma.v3i4.11922

Abstract

The aim of this study is to conduct a comprehensive analysis of the effects of community experience and perceived community benefits on brand loyalty, with brand engagement serving as an intervening variable. Employing a quantitative survey methodology with an associative approach, this research focuses on members of the Sampoerna Retail Community in Area Medan 2, comprising a population of 2,293 individuals. A sample of 180 respondents was selected. Data collection utilized a structured questionnaire, and analytical methods included descriptive analysis and PLS-SEM, ensuring a robust evaluation of the relationships among the key variables. The findings indicate that community experience and the perception of community benefits both exert a positive and statistically significant influence on brand loyalty. While community experience positively influences brand engagement, this relationship does not achieve statistical significance. In contrast, the perception of community benefits significantly affects brand engagement. Furthermore, brand engagement positively impacts member loyalty. Notably, while brand engagement does not mediate the relationship between perceived community benefits and brand loyalty, it does mediate the relationship between community experience and brand loyalty. This research enhances the understanding of the dynamics among these variables within the research context.
Co-Authors Abidin, Iqbal Rizki Adiansyah, Romi Agnita Yolanda, Agnita Agustriani, Fani Albarofi Fierelio Kinandes Sumarsono Aldrine, Zefanya Amin, Astuti Muh Andi Reza Perdanakusuma, Andi Reza Ariawan Andi Suhandana Arijal, Muhamad Ariyudha, Andhika Asep Kurniawan Asep Kurniawan Asep Taufik Muharram Asfat, M Lutfi Asfat, M. Lutfi Aslam, Adrian Asmah Indrawati Ayu Rosyida Zain Azkiya, Satria Azkal Azzahirah, Syifa Bisawab, Muhammad Salman Bobby Umroh Buana Lubis, Arya Chandra Cerah Ayunda Prawastiyo Darianto, Darianto Darwin, Felix Defiana Arnaldy Defiana Arnaldy Dian Noviandri Dimas Aulia Fachrudin Dimas Aulia Fachrudin Dipati Bangsa, Prianda Dula, Veronika Anjelina Efendi, Syah Rinal Eka Miharja, Mochamad Elyana, Mahlian Endang Sulistya Rini Erwin Erwin F. Abka, Achmad Fachroni Arbi Murad Fadil Azhar, Raden Muhammad Fiqryansyah, Muhammad Rizky Ginting, Hotman Habib Satria Hanggara, Buce Trias Harahap, Uun Novalia Hazimah, Zulfa Iswandi Iswandi Iswandi Iswandi Jufrizal Jufrizal Jufrizal Jufrizal Junio, Fazel Kadarwati, Dinda Kasim, Abdulah Muis Lian Galed S. Lingga, Jimy M. Anwar Ma'sum Malik Matin, Iik Muhamad Marbun, Murahmad Parulian Mardiyono, Anggi Maria Agustin Maria Agustin Marwan Marwan Matin, Iik Muhamad Malik Muh. Amin, Astuti Muhammad Arlan Ardiawan Muhammad Idris Muhammad Idris Muhammad Yusuf Bagus Rasyiidin Mulyani, Meutia Tri Murad, Fachroni Arbi Nasution, Ahmad Syarif Nasution, Zulfahmi Syahputra Nathanael, David Negara, Atma Nina Sevani Nisrina Tsany Sulthanah paham ginting Prawastiyo, Cerah Ayunda Prihatin Oktivasari Putri, Audina Amalia Rachman Hanafi Rahman, Nur Azizah Ramadhan, Muh Syahru Ramadhan, Muhammad Bintang Ratna Widya Iswara, Ratna Widya Rauf, Faisal Rijal, Rijal Rijaluddin, Khalid Risma Nuraini Rosyida, Ayu Selvi Selvi Sembiring, Beby Karina Fawzea Setianto, Bayu Dwi Seviro Bima Sakti, Calvin Siddik, Ega Sihombing, Verianto Situmorang, Syafrizal Helmi Suarti, Suarti Sudarmi Sudarmi Suhandana, Ariawan Andi Sumarni Sumarni Supriatno, Supriatno Sutama, Muhammad Ilham Syarif Nasution, Ahmad Syarman, Muh. Iksan Tampubolon, Rizky Taufik Wal Hidayat, Taufik Wal Tino Hermanto Tuzahra, Alifia Warsuta, Bambang Wibisono, Anggih Prasetyo Widya Iswara, Ratna Widyono, M. Farishanif wirawan, chandra Wisnu Jatmiko Yopan Rahmad Aldori Yudha, Muhammad Dhafa Ragana Zain, Ayu Rosyida Zarmawan, Husri