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All Journal AUSTENIT Edumaspul: Jurnal Pendidikan Minda Baharu Journal of Informatics, Information System, Software Engineering and Applications (INISTA) Dinasti International Journal of Economics, Finance & Accounting (DIJEFA) JURNAL ILMU PERPUSTAKAN (JIPER) Sublim: Jurnal Pendidikan PEDAMAS (Pengabdian Kepada Masyarakat) Jurnal Ilmu Multidisiplin
Imam Akbar, Imam
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Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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RANCANG BANGUN DAN SOSIALISASI MESIN CETAK 3D TIPE FUSED DEPOSITION MODELING (FDM) DI SMK SATRIA NUSANTARA BETUNG Aziz, Ahmad Malik Abdul; Al Faritzie, Hariman; Akbar, Imam; Aziz, Ibnu; Rawani, Dewi
MINDA BAHARU Vol 7, No 2 (2023): Minda Baharu
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/jmb.v7i2.5804

Abstract

Program Making Indonesia 4.0 merupakan strategi Indonesia dalam menghadapi era Industri 4.0 yang terus mengalami perkembangan yang pesat. Industri 4.0 ini dapat menciptakan peluang tenaga kerja digital terutama dalam bidang jasa dan industri manufaktur. Pengabdian ini bertujuan untuk mensosialisasikan teknologi mesin cetak 3D berbasis additve manufacturing (AM) yang merupakan salah satu teknologi utama Industri 4.0. Kegiatan pengabdian yang dilakukan adalah memberikan pelatihan mesin cetak 3D bagi guru dan siswa SMK Satria Nusantara Betung. Pelatihan ini terdiri dari rancang bangun hingga cara pengoperasian mesin cetak 3D. Mesin cetak 3D yang disosialisasikan adalah bertipe fused deposition modeling (FDM) yang merupakan teknik mencetak 3D lapis demi lapis dimulai dari bawah ke atas oleh filamen termoplastik pemanasan dan ekstrusi. Dari pengabdian ini dapat menjadi ilmu dan dorongan bagi sekolah untuk mengimplementasikannya ke dalam sistem pembelajaran sekolah baik menjadi mata pelajaran tersendiri atau sebagai ekstrakulikuler. Kegiatan pengabdian kepada masyarakat ini merupakan salah satu program MBKM berupa kegiatan kolaborasi antara dosen dan mahasiswa. Berdasarkan hasil evaluasi yang ditelusuri melalui kuesioner yang dibagikan ke 5 guru dan 15 siswa menunjukkan 80% tertarik untuk mempelajari lebih lanjut dan menggunakan mesin cetak 3D. Mereka juga berharap untuk dapat segera mengintegrasikannya ke dalam kurikulum atau ekstrakurikuler guna menghadapi era Industri 4.0.
Pengaruh distribusi, harga, dan promosi terhadap peningkatan penjualan mie sedaap di Sharjah Coop United Emirates Arab Akbar, Imam; Suyatna, Riki Gana; Murisniawati, Dwitia; Nuraeni, Siti
Jurnal Ilmu Multidisiplin Vol. 3 No. 2 (2025): Jurnal Ilmu Multidisiplin (in press)
Publisher : Jurnal Ilmu Multidisiplin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53935/jim.v3.i2.60

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh distribusi, harga, dan promosi terhadap peningkatan penjualan Mie Sedaap di Sharjah Coop, Uni Emirat Arab, berdasarkan data yang dikumpulkan dari observasi dan analisis penjualan selama periode tertentu. Data menunjukkan bahwa Mie Sedaap memiliki distribusi yang hanya mencapai 0.07% saja di seluruh cabang Sharjah Coop, dengan harga rata-rata produk sebesar AED 9.40 per paket. Selain itu, promosi yang dilakukan, seperti diskon dan kampanye iklan, berhasil meningkatkan visibilitas produk dan menarik perhatian konsumen, yang tercermin dalam peningkatan penjualan selama periode penelitian. Temuan ini menegaskan bahwa strategi distribusi yang efisien, penetapan harga yang kompetitif, dan promosi yang efektif merupakan faktor kunci dalam meningkatkan penjualan Mie Sedaap di pasar lokal. Penelitian ini memberikan rekomendasi bagi manajemen Mie Sedaap untuk terus mengoptimalkan ketiga elemen tersebut guna mencapai pertumbuhan penjualan yang berkelanjutan di Sharjah Coop..
OPTIMALISASI SISTEM VENTILASI MEKANIK UNTUK MENINGKATKAN KENYAMANAN TERMAL DI RUANGAN TERPAPAR PANAS MATAHARI Paramadhony; Setiati, Tri Woro; Turnip, Parngongo; Akbar, Imam; Sampurno, Rachmat Dwi; Rachman, Fadhiil Fuad
AUSTENIT Vol. 17 No. 1 (2025): AUSTENIT: April 2025
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v17i1.10711

Abstract

Climate change has increasingly influenced thermal dynamics in both outdoor and indoor environments, leading to elevated indoor temperatures that can significantly compromise occupant thermal comfort. This comfort is intrinsically linked to psychological well-being, sleep quality, and overall productivity. Indoor thermal conditions are governed by multiple parameters, including internal and external heat gains, building envelope characteristics, and the effectiveness of ventilation systems. In response, the deployment and optimization of mechanical ventilation systems have become essential strategies in architectural and HVAC design to ensure better indoor environmental quality (IEQ). Moreover, energy-efficient mechanical systems are critical for minimizing operational energy consumption and also for mitigating greenhouse gas (GHG) emissions associated with building operations. This study employs Computational Fluid Dynamics (CFD) simulations to analyze the influence of mechanical ventilation placement on indoor temperature distribution, with a specific focus on enclosures with solar-exposed walls. The findings aim to inform design strategies for ventilation layout optimization that enhance thermal comfort while supporting energy-efficient and sustainable building practices. The research findings indicate that the position of the exhaust fan plays a crucial factor in thermal comfort. When it’s placed near to the heat source, it provides higher airflow near to the heat source that helps maintain temperature stability and prevent the spread of heat throughout the room.
EFEKTIVITAS LAYANAN RUANG BACA ANAK DI DINAS PERPUSTAKAAN DAN KEARSIPAN KABUPATEN ENREKANG Naharuddin, Naharuddin; Syahdan, Syahdan; Pare Allo, Karmila; Ismaya, Ismaya; Akbar, Imam
JURNAL ILMU PERPUSTAKAAN (JIPER) Vol. 7, No.1 (2025): Maret
Publisher : Unversitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jiper.v7i1.29888

Abstract

Penelitian ini mengkaji efektivitas layanan ruang baca anak di Dinas Perpustakaan dan Kearsipan Kabupaten Enrekang, khususnya setelah layanan dipindahkan ke Perpustakaan Ibu dan Anak. Sebelumnya, ruang baca anak terletak di lantai tiga gedung Dinas Perpustakaan dengan akses yang sulit dan fasilitas terbatas. Pemindahan ini bertujuan menyediakan lingkungan yang lebih ramah, luas, dan menarik, dengan koleksi buku yang lebih variatif serta fasilitas edukatif yang lebih baik. Penelitian menggunakan pendekatan kualitatif dengan metode deskriptif untuk mengevaluasi kondisi layanan, mengidentifikasi kendala, serta merumuskan strategi pengembangan layanan yang inovatif dan ramah anak. Hasil penelitian menunjukkan bahwa perpindahan layanan meningkatkan aksesibilitas dan kenyamanan, namun masih terdapat kendala seperti terbatasnya variasi koleksi buku dan alat permainan edukatif. Rekomendasi penelitian meliputi peningkatan koleksi bahan bacaan, penambahan alat peraga edukatif, serta pelibatan aktif orang tua dalam kegiatan literasi. Dengan penerapan strategi ini, diharapkan perpustakaan dapat memperkuat perannya dalam mendukung literasi dan pendidikan anak secara berkelanjutan di Kabupaten Enrekang.
Data Mining Analysis of K-means Algorithm and Decision Tree for Early Detection of Students at Risk of Dropping Out Akbar, Imam; Samad, Ita Sarmita; Rahmat, Rahmat; Rosmiana, Sri
Journal of INISTA Vol 7 No 2 (2025): May 2025
Publisher : LPPM Institut Teknologi Telkom Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/inista.v7i2.1630

Abstract

Dropout occurs in higher education, where students are unable to complete their studies within a specified timeframe. It has become a significant concern in education due to its substantial impact on individuals, institutions, and society. This study aims to develop a model for predicting the early potential for students' dropout using the K-Means Algorithm and decision trees. The research method consists of a Dataset, Data Preprocessing, K-means implementation, labeling student data, and Decision Tree implementation. This study resulted in 4 clusters. The students in Cluster 1 have an excellent average GPA, a substantial number of credits, and are very active. The students in Cluster 2 have a lower average GPA and are less active than in Cluster 1. The students in Cluster 3 show a relatively good average GPA, which is lower than in Clusters 1 and 2. The number of active students indicates that students in this cluster are much less active or at risk of D.O. than those in clusters 1 and 2. Cluster 4 indicates that the average GPA of students is very low, often close to zero, and they are generally inactive in academic activities. Thus, they are significantly at risk of D.O. at Universitas Muhammadiyah Enrekang. This research provides significant results, both in terms of accuracy and data interpretation. The resulting insights enable universities to make more strategic and targeted decisions, thereby reducing the risk of university dropout rates, increasing resource efficiency, and supporting the overall educational success of students. The accuracy of the resulting model is 98.52% which indicates that the model has excellent performance in classifying students at risk of D.O.
Analysis of Student Behavior Based on the History of Learning Activities in the Learning Management System Using the Pearson Correlation Method Akbar, Imam; Hazriani, Hazriani; Arda, Abdul Latief; Samad, Ita Sarmita
Edumaspul: Jurnal Pendidikan Vol 8 No 1 (2024): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33487/edumaspul.v8i1.7671

Abstract

The purpose of this study is to identify student learning behavior in online learning and to determine the relationship between student learning behavior and learning achievement based on learning history data (Learning logs) on the Learning Management System (LMS), including the performance of assignments and quizzes, utilization interaction features (forums and chat), as well as active access to learning resources (files and URLs). Pearson Correlation method is used to analyze the level of relationship between learning behavior and students’ achievement. The research object is 105 students at Muhammadiyah University of Enrekang who programmed introductory information technology (PTI) courses from 5 different classes but taught by the same lecturer. The total number of processed activity histories (after data preprocessing) is 6500 records, while the total number of logs before data preprocessing is 19386 records. Correlation analysis linking student behavior to student learning achievement is quite strong and unidirectional, as evidenced by the correlation value between learning behavior and student final grades which show an average number of 0.80 and all are positive, with confidence interval values reaching95%. This shows that the higher the learning activities that students participate in in online learning (the more active), the stronger the effect on student learning achievement. It also shows that student activity in completing assignments is the variable that most influences learning achievement with a correlation value of 0.88 (very strong).
Building Village through MBKM Learning Model with KUKIS: Students Perceptions on the Learning Outcomes and MBKM Goals Samad, Ita Sarmita; Jabri, Umiyati; Akbar, Imam
Sublim: Jurnal Pendidikan Vol 2 No 1 (2023): The 3rd International Conference on Innovation in Science, Engineering, and Educa
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33487/sublim.v2i1.5984

Abstract

This research aims to analyse the impact of the MBKM-based KUKIS learning model, the village building scheme, which has been applied to students of English Education study program. The KUKIS learning model is adapted from the Project-Based Learning model. Descriptive research method with a quantitative approach is used in this research. Questionnaires and interviews are used as instruments to collect data from the selected research sample using purposive sampling technique. The results of data analysis show that the application of KUKIS is able to contribute positively to students' ability to fulfil learning outcomes which include attitudes, general skills, special skills, and mastery of knowledge. Likewise for the aspect of MBKM objectives, students assessed that the application of the KUKIS learning model is able to contribute positively to the achievement of MBKM goals, both soft skills and hard skills of students.
The The Role of Financial Flexibility: ESG Performance, ROA and Firm Value Akbar, Imam; Setiana, Sinta
Dinasti International Journal of Economics, Finance & Accounting Vol. 5 No. 3 (2024): Dinasti International Journal of Economics, Finance & Accounting (July - August
Publisher : Dinasti Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.38035/dijefa.v5i3.2924

Abstract

The purpose of this study was to determine and analyze the effect of ESG performance (ESG), ROA, and whether financial flexibility as a moderating or mediating variable on Firm Value. The population in this study are energy and mineral companies listed on the IDX for the period 2018-2022. Purposive sampling method was used to determine the number of samples that met the criteria and resulted in 12 companies as samples in the study. The research data uses secondary data obtained from the company's annual financial report, sustainability report and Thomson Reuter (Refinitiv) report. This study uses several tests, namely classical assumption testing, panel data regression, sobel test and Moderated Regression Analysis (MRA) using Eviews 13 statistical tools. ESG, ROA and Financial Flexibility simultaneously affect firm value with Leverage as control variables. Financial flexibility and ROA do not mediate ESG on Firm Value. Financial flexibility moderates ESG on firm value, but ROA does not moderate on firm value. It is proven that financial flexibility is a moderating variable for the influence of ESG on firm value where the role of the moderating variable of financial flexibility strengthens the influence of ESG on firm value. There are two main findings in the study, namely the role of financial flexibility can strengthen the influence of ESG performance on firm value and the joint role of ESG, ROA and financial flexibility with leverage as a control variable can increase firm value.
MATERIAL SELECTION AND MECHANICAL PROPERTIES IN LEAF SPRING APPLICATION: A REVIEW Utami, Nurhabibah Paramitha Eka; Mahendra, Nanda Yusril; Akbar, Imam; Gunawan, Gunawan; Romli, Romli; Fatoni , Zulkarnain; Pratiwi, Diah Kusuma
AUSTENIT Vol. 14 No. 2 (2022): AUSTENIT: October 2022
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v14i2.4878

Abstract

In the industrial world, leaf springs are an important component of vehicles. Therefore, material selection is very influential in producing good mechanical properties that can affect leaf spring performance. In this review article, the author aims to review and compile articles on relevant previous studies to compare the best alternative materials other than steel that meet the criteria for the application of leaf springs. The review method used in this article is to search for articles that are relevant to the keyword material, leaf springs, and mechanical properties. After that, the author will collect articles and choose articles that have the criteria to be reviewed. Then the articles that meet the criteria will be reviewed by extracting the data to the review table. As a result, 24 articles will be reviewed. Then the author will extract data on each article, namely material, tensile strength, and flexure. Flexural and tensile strength are used as quality criteria for each material. The conclusion of the review article obtained is that carbon/epoxy has the potential as an alternative steel material because carbon/epoxy has the highest tensile strength with a value of 1841MPa, and flexural strength with a value of 1646.7MPa is close to steel as shown in the review table. However, further research is needed, such as proper design and more efficient manufacturing methods to produce innovative leaf spring components with high quality and acceptable quality in the industry.
THE EFFECT OF DIFFERENT STRUCTURE AND GRADIENT INFILL ON MECHANICAL BEHAVIOR POLYLACTIDE ACID MATERIALS (PLA) Akbar, Imam; Hidayat, M Rizky; Rawani, Dewi; Veranika, Rita Maria; Al-Faritzie, Hariman; Romli, Romli
AUSTENIT Vol. 15 No. 1 (2023): AUSTENIT: April 2023
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v15i1.6631

Abstract

The purpose of this study is to analyze the effect of our gradient infill on the mechanical behavior of polylactide acid (PLA) materials resulting from 3d printing, which has an impact on the efficiency of material use while still providing good mechanical support. In this study, the specimens were designed using nTopology software and there were 4 variations of the structure, namely square, honeycomb, diamond, and gyroid, each of which was made gradient and non-gradient, then a bending test was carried out to determine its mechanical behavior thats PLA materials. The results of this study indicate that a comparison between specimens with gradient and non-gradient models with 50% porosity can increase the deflection of the specimen, namely square 15.7-19.1 mm, honeycomb 16.3-20.6 mm, Diamond 19.7-21.8 mm, and gyroid 20.3-22.1 mm, with an average deflection of 2.04 mm. In addition, there is a linear correlation of the relationship between thickness to deflection and flexural modulus whereas the thickness value increases, the deflection and flexural modulus will increase. The conclusion of this research is that giving a gradient to the structure can improve mechanical behavior, especially deflection.
Co-Authors Abdul Latief Arda Ahmad Malik Abdul Aziz Akhmad Herman Yuwono, Akhmad Al Faritzie, Hariman Al-Faritzie, Hariman Alamsyah Amalia Sholehah, Amalia As'ary, Muawwal Al Dewi Rawani Diah Kusuma Pratiwi Fatoni , Zulkarnain Ghiska Ramahdita, Ghiska Gunawan Gunawan Hazriani, Hazriani Hidayat, M Rizky Ibnu Aziz Ismaya Ismaya Ita Sarmita Samad, Ita Sarmita Jabri, Umiyati Mahendra, Nanda Yusril Murisniawati, Dwitia Naharuddin Naharuddin Nofrijon Sofyan, Nofrijon Paramadhony Pare Allo, Karmila Rachman, Fadhiil Fuad Rahmat Rahmat Rita Maria Veranika, Rita Maria Romli Romli, Romli Rosmiana, Sri Sampurno, Rachmat Dwi Setiati, Tri Woro Sinta Setiana Siti Nuraeni, Siti SRY WAHYUNI, SRY Suyatna, Riki Gana Syahdan Syahdan, Syahdan Turnip, Parngongo Utami, Nurhabibah Paramitha Eka