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All Journal Rotasi Rekayasa Mesin Sinergi REKAYASA JAIS (Journal of Applied Intelligent System) R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Pengembangan Rekayasa dan Teknologi Jurnal Surya Masyarakat Conference on Innovation and Application of Science and Technology (CIASTECH) JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) JATI (Jurnal Mahasiswa Teknik Informatika) Jurnal Teknik Industri Terintegrasi (JUTIN) TIN: TERAPAN INFORMATIKA NUSANTARA Information Science and Library Jurnal Rekayasa Energi dan Mekanika Jurnal Ahsana Media : Jurnal Pemikiran, Pendidikan dan Penelitian ke-Islaman Jurnal Serambi Abdimas Journal Computer Science and Informatic Systems : J-Cosys Mechanical Engineering for Society and Industry Jurnal Teknik Mesin Mechanical Xplore Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Dulang: Jurnal Pengabdian Kepada Masyarakat Jurnal Penelitian Hukum Indonesia (J-PeHI) SmartComp Tematik Jurnal Pengabdian Sosial Journal of Halal Industry Studies Annaba: Jurnal Ilmu Jurnalistik JIFA (Journal of Islamic Finance and Accounting)
Khoirudin Khoirudin, Khoirudin
Department of Computer Applied Technology, Nanchang University, China 999 Xuefu Road, Honggutan New District, Nanchang, Jiangxi Province, P.R. China Telp:+86-791-83969099 Fax:+86-791-83969069
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Pelatihan Penulisan Artikel Ilmiah bagi Peserta Didik SMK Perdana Semarang Rosaria, Stefani Dewi; Riana, Rati; Khoirudin, Khoirudin
Jurnal Pengabdian Sosial Vol. 2 No. 4 (2025): Februari
Publisher : PT. Amirul Bangun Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59837/gnf2wn73

Abstract

Pengabdian kepada masyarakat dilaksanakan oleh Tim PkM dan bermitra dengan SMK Perdana Semarang dengan khalayak sasarannya adalah para peserta didik di sekolah tersebut, yaitu para peserta didik kelas X jurusan Desain Komunikasi Visual. Permasalahan yang dihadapi oleh mitra adalah masih kurangnya pemahaman mengenai bagaimana menulis artikel ilmiah yang baik dan benar. Selain penulisan artikel ilmiah, mitra juga masih kurang memahami sistematika penulisan artikel ilmiah. Oleh karena itu tujuan tim PkM melaksanakan pelatihan penulisan artikel ilmiah adalah untuk memberikan pemahaman mengenai sistematika penulisan artikel ilmiah agar para peserta didik mampu menghasilkan artikel ilmiah yang baik dan benar. Kegiatan pengabdian ini dilaksanakan dengan metode ceramah dan pelatihan sebagai upaya untuk mengatasi permasalahan mitra. Kegiatan diawali dengan tahap persiapan, kemudian tahap pelaksanaan dan terakhir adalah tahap pelaporan. Pretestt dan Posttestt juga dilakukan sebagai bahan evaluasi untuk mengukur tingkat pemahaman para peserta didik sebelum dan setelah dilaksanakannya pemaparan materi dan pelatihan. Hasil dari kegiatan pengabdian ini adalah meningkatnya pemahaman mitra PkM mengenai bagaimana menulis artikel ilmiah yang baik dan benar. Selama pelatihan berlangsung mitra sangat memperhatikan sistematika penulisan artikel ilmiah berikut aspek kebahasaannya karena telah memahami bagaimana menulis artikel ilmiah yang baik.
A Comprehensive Study on Production Efficiency Enhancement Using Optimal Power Press Tonnage in Stamping Sukarman; Taufik Ulhakim, Muhamad; Khoirudin, Khoirudin; Mulyadi, Dodi; Amir, Amir; Suhara, Ade; Rahdiana, Nana
Jurnal Teknik Mesin Mechanical Xplore Vol 5 No 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.8048

Abstract

The use of press machines in stamping is an important aspect of the manufacturing industry, especially in producing efficient and quality components. This article aims to analyze the cost of the stamping process using mild steel SPCC-SD material measuring 200 mm x 25 mm x 0.8 mm, using two types of press machines, namely 80 tons and 40 tons. Through the cost analysis method, the total cost of the stamping process for the 80-ton press machine is Rp 16,417.4 per 10 pcs, while for the 40-ton press machine, it is Rp 15,028.5, indicating the cost efficiency of the 40-ton press machine is around 8.5%. The tonnage calculation shows that the 40-ton press machine is adequate for the blanking process, with a tonnage requirement of 4 tons, far below the available capacity. These results provide recommendations for the use of 40-ton press machines in the production of steel components on a small to medium scale, considering cost efficiency and optimal performance. This work is expected to increase productivity and cost efficiency in the manufacturing industry, especially at PT GA.
Parametric Analysis and Optimization of Sinker-EDM Process for High Tensile Strength Steel Using Response Surface Methodology Rohman; Sukarman, Sukarman; Khoirudin, Khoirudin; Taufik Ulhakim, Muhamad; Mulyadi, Dodi; Amir, Amir; Abdulah, Amri
Jurnal Teknik Mesin Mechanical Xplore Vol 5 No 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.9017

Abstract

This investigation focuses on optimizing the sinker electrical discharge machining (sinker-EDM) process parameters for high tensile strength steel (HTSS), specifically SKD-11, utilizing Box-Behnken Response Surface Methodology (BB-RSM). Sinker-EDM is a commonly used technique in manufacturing moulds, dies, and components for sectors like automotive and aerospace. This process eliminates direct contact between the electrode and the workpiece. However, its low material removal rate (MRR) constrains productivity. This research endeavours to enhance MRR by employing rectangular graphite electrodes. The Box-Behnken Response Surface Methodology (BB-RSM) was utilized to evaluate the effects of pulse current, spark-on time, and gap voltage on MRR. The optimal MRR of 45.49 mm³/min was attained at a pulse current of 16 A, spark-on time of 400 µs, and gap voltage of 45 V. ANOVA revealed that pulse current and spark-on time significantly influenced MRR. In contrast, gap voltage had an insignificant impact. Interaction and surface plot analyses confirmed that high pulse current and extended spark-on time resulted in the maximum MRR. These findings provide valuable insights for optimizing the sinker-EDM process for SHTSS, contributing to enhanced productivity and efficiency in manufacturing.
Development of hybrid nanofluids and solar heat exchangers (SHX) to improve heat transfer performance in solar panel cooling Abdulah, Amri; Shieddieque, Apang Djafar; Rajab, Dede Ardi; Khoirudin, Khoirudin; Sukarman, Sukarman
Mechanical Engineering for Society and Industry Vol 5 No 1 (2025)
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/mesi.12913

Abstract

This study examined the thermohydraulic efficiency of a novel Solar Heat Exchanger (SHX) designed for cooling solar panels. The SHX was specifically created for 20 Wp solar panels measuring 450 × 350 mm. The cooling medium was a hybrid nanofluid (HNF) consisting of Al₂O₃ and SiO₂ nanoparticles (0.5–1%) suspended in a base fluid of ethylene glycol and water (EG/W) at a 10:90 ratio. Experiments were performed using flow rates ranging from 1 to 3 LPM. The HNF coolant demonstrated enhanced performance in the solar heat exchanger, with a maximum heat transfer rate increase of 56.07% compared with that of the base fluid. This improvement in the heat-transfer rate was associated with an increase in the heat-transfer coefficient, which was influenced by the flow rate and volume fraction of the HNF. The effectiveness of the HNF surpassed that of the base fluids by approximately 117%. The results indicated that higher flow rates and volume fractions improved cooling performance. The enhanced cooling efficiency and innovative SHX design make this study particularly relevant to the development of solar panel cooling systems, particularly those employing hybrid nanofluid coolants.
Analisis Strategi Pemasaran Air Minum Untuk Menjangkau Pasar Menggunakan Metode SWOT Khoirudin, Khoirudin
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 2 (2025): April
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i2.43025

Abstract

PT. Dalwa Anugrah Hasaniyah is a bottled drinking water company under the auspices of the Dalwa Islamic boarding school. This company can be said to be a new company, therefore it needs to market its products effectively and efficiently. To achieve effective and efficient marketing, a marketing analysis is carried out. This analysis aims to analyze the strategies applied to the PT. Dalwa Anugrah Hasaniyah business as well as formulate new strategies by considering internal and external factors and determining alternative strategies that should be prioritized. The research method used is descriptive qualitative with analysis techniques using the IFAS-EFAS matrix, IE matrix, and SWOT matrix. The results of the analysis show that the Dalwa Anugrah Hasaniyah company is in the Grow and Build position so that the best strategy is to maintain and continue to innovate. The results of the SWOT recommendations, the company must read the market situation, establish cooperative relationships between agencies or governments, and sponsorship at events that require bottled drinking water.
PENULISAN FEATURES DI MEDIA DARING RADAR MADURA Muzammil, Ach; syamsudin, syamsudin; khoirudin, Khoirudin
Annaba: Jurnal Ilmu Jurnalistik Vol. 6 No. 3 (2021): ANNABA: Jurnal Ilmu Jurnalistik
Publisher : Jurusan Ilmu Komunikasi, Fakultas Dakwah dan Komunikasi, UIN Sunan Gunung Djati Bandung

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

Abstract

Online media comes with a variety of conveniences offered to its readers. The feature still includes a soft news style so it's light and easy to understand. So that the writing is flexible but not too straightforward, not too stiff. In the delivery of features will create a sense of value. Important events tend to be conveyed carefully, straightforwardly and directly to the point, so that people who receive the news are immediately able to catch what is happening, while less important events may be presented in a riddle, often accompanied by jokes. This research refers to the high reading interest of the Madurese community in the era of the Covid-19 pandemic which encouraged people to carry out activities at home, one of which was to obtain information. The scientific reason why the author chooses Feature to be discussed is because according to an analysis by one of Radarmadura.id's own journalists, Feature news has quite a high audience because of the elements of the style of the news which are relaxed and easily understood by all levels of society. What's more, raising local Madurese human interests will attract readers from those who are interested in the figures in the published features.
KEBIJAKAN PENGGUNAAN BAHASA JURNALISTIK POPULIS PADA MEDIA CETAK DAN MEDIA ONLINE (STUDI DESKRIPTIF PADA PIKIRANRAKYAT DAN PIKIRAN-RAKYAT.COM) Sudarjat, Muhammad Fauzaan Fikri Sudarjat; Muahemin, Enjang; khoirudin, Khoirudin
Annaba: Jurnal Ilmu Jurnalistik Vol. 7 No. 3 (2022): ANNABA: Jurnal Ilmu Jurnalistik
Publisher : Jurusan Ilmu Komunikasi, Fakultas Dakwah dan Komunikasi, UIN Sunan Gunung Djati Bandung

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

Abstract

This study aims to find out how the policy of using populist journalistic language in the application and differences of writing in print media and online media Pikiran Rakyat. This research uses a qualitative approach with a constructivism paradigm, and a descriptive method. The results showed that in writing populist journalistic language in print and online media, the language used must be easily understood by various levels of society, including the poorly educated. The use of informal words and colloquial terms is characteristic, although it still refers to the Big Indonesian Dictionary (KBBI). The use of these words or terms can be found in various rubrics with the aim of attracting readers, and in some cases, absorptive language words that do not yet exist in KBBI are italicized as a reference for the editorial team. The main difference lies in print media that prioritize standard language over absorptive or foreign languages, while online media are more flexible in using populist journalistic language because it follows Search Engine Optimization (SEO) principles.
Pengembangan Kapasitas Produksi melalui Pengabdian kepada Masyarakat: Pendampingan Proses Stamping di UMKM Karawang Jawa Barat Sukarman, Sukarman; Ulhakim, Mumamad Taufik; Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rahdiana, Nana; Suhara, Ade; Hakim, Afif
Jurnal Serambi Abdimas Vol 6 No 01 (2025): Jurnal Serambi Abdimas
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/sa.v6i01.14855

Abstract

Proyek pengabdian kepada masyarakat ini bertujuan mengatasi tantangan efisiensi produksi di sektor industri kecil dan menengah dengan mengeksplorasi transisi dari penggunaan CNC ke proses blanking. Fokus utama inisiatif ini adalah meningkatkan efektivitas biaya dan waktu produksi melalui penerapan teknologi blanking yang lebih efisien. Metodologi yang digunakan adalah Participatory Action Research (PAR), yang mengedepankan kolaborasi sinergis antara tim Universitas Buana Perjuangan (UBP) Karawang dan tim PT Gama Satya Engineering. Tahapan kegiatan meliputi identifikasi masalah, pengembangan solusi, hingga implementasi perubahan yang diperlukan di lapangan. Hasil menunjukkan bahwa penerapan proses blanking dengan mesin 40-ton berhasil menekan biaya produksi per komponen menjadi Rp 2.061,14, menghasilkan penghematan hingga 95,71% dibandingkan dengan proses CNC. Sementara itu, penggunaan mesin 80-ton mencatatkan biaya produksi sebesar Rp 2.200,03 per komponen dengan tingkat efisiensi 95,42%. Dari sisi waktu, proses blanking hanya memerlukan 0,0139 jam (sekitar 0,834 menit) per komponen, jauh lebih cepat dibandingkan proses CNC yang memakan waktu hingga 12 menit per unit. Temuan ini tidak hanya menunjukkan potensi signifikan dalam penghematan biaya dan waktu, tetapi juga memperkuat hubungan antara akademisi dan industri. Selain itu, hasil penelitian ini memberikan panduan praktis yang dapat diterapkan secara berkelanjutan di sektor industri kecil dan menengah, sekaligus memberikan dampak positif bagi mitra industri.
Seleksi Wiraniaga Terbaik dengan Pendekatan Multi-Kriteria Metode ARAS dan SMART Cahyono, Yono; Ikasari, Ines Heidiani; Khoirudin, Khoirudin
TIN: Terapan Informatika Nusantara Vol 6 No 2 (2025): July 2025
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/tin.v6i2.7404

Abstract

The selection of the best salesperson is a critical component in enhancing sales performance and maintaining a company’s competitiveness. However, this process is often hindered by subjective assessments and difficulties in objectively comparing candidates. This study aims to apply two Multi-Criteria Decision Making (MCDM) methods, ARAS (Additive Ratio Assessment System) and SMART (Simple Multi-Attribute Rating Technique) to evaluate and rank 15 sales candidates based on six criteria: Work Quality, Creativity, Initiative, Teamwork, Expertise, and Cost Efficiency. Qualitative assessment data were converted into quantitative values and analyzed using both methods to obtain final scores and rankings. The results indicate that the top-ranked candidates using the ARAS method are Lia Husna (A7), Eriza (A13), and Dodi (A3), while the SMART method identifies Septian (A5), Zainal (A2), and Lia Husna (A7) as the top performers. The difference in rankings is attributed to the weight distribution and the methods’ sensitivity to attribute values—SMART emphasizes high values in heavily weighted criteria, whereas ARAS evaluates the relative ratio against the ideal solution. Correlation analysis between both methods reveals partial alignment, suggesting that integrating multiple approaches strengthens result validation. Overall, the dual-method approach enhances selection objectivity and provides a more robust foundation for strategic decision-making in salesperson performance management.
AHP COMPARATIVE JUDGEMENT ON MOBILE COMMERCE COMPUTER SHOP APPLICATION IN SEMARANG CITY USING GOOGLE MAPS API BASED ANDROID Daru, April Firman; Khoirudin, Khoirudin; Widodo, Muhammad Faizal Agung
Jurnal Pengembangan Rekayasa dan Teknologi Vol. 1 No. 2 (2017): November (2017)
Publisher : Universitas Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26623/jprt.v13i2.937

Abstract

In terms of activities in computer stores, many potential customers who come, then go home without making a transaction. This happens because consumers who come to the store want to know the price information, brand stock, and promotion first and then compare it with other stores. The decision recommendations generated by AHP are approaching expectations as they are examined from different perspectives and this method is very applicable to anyone decision makers because input is not only based on logic in general, but also intuition. The prototyping model implements rapid development and testing of the working model of new applications through repeated interaction processes. The object priority used based on AHP Comparative Judgment inference system calculation is (1) stock; (2) price; (3) distance (location). the process of comparison between criteria has been performed in a consistent manner consistent with the random consistency index of the normative analytical hierarchy process comparative judgment matrix. So that the output list that is displayed to the user can be used as the best reference product selection. Implementation of computer information system store application in Semarang City with AHP (Analyitical Hierarchy Processs) Comparative Judgment method can be accessed by Android users to recommend products to be purchased based on the criteria of availability of goods, price and distance practically anytime and anywhere.
Co-Authors Adiwibowo, Zakaria Afgani, Abduh Al Afif Hakim Agus Supriyanto AHMAD JUNAEDI Akhmad Junaedi Amar Amar Amir Amir Amri Abdulah Amri, Saeful April Firman Daru Aria Hendrawan, Aria Arif Wibowo, Ludvi Atmoko Nugroho Aulia Nanda, Rizki Azizah Azizah Azizah, Renata Lintang Azmi, W. H. Azzaki, Adnan Badriyah, Fatikhatul Banu Witono Basit, Arul Bernadus Very Christoko Budiansyah, Ade Cepi Cahyo, Tegar Dwi Cahyono, Yono Cepi Budiansyah, Ade Dewi Nurdiyah, Dewi Dodi Mulyadi Dodi Mulyadi Dwicahyo, Tegar Fahrizin, Nazar Fazin, Nazar Fazrin, Nazar Fuadiah, Shiema Jamalah Gunata, Krida Pandu Hadi, Soiful Hananto, Agustia Hanif, Mohammad Burhan Hassanudin, Wahyu Maulana Hidayat, Syahrul Taufik Ines Heidiani Ikasari Irfan Rizky Hutomo Irfani, Tomas Karyadi Karyadi Khusna, Arina Kumbarasari, Shanti Lailisya Putri, Purnama Lamijan Lamijan, Lamijan Lintang Azizah, Renata Miftahudin, Moh Muahemin, Enjang Muji Setiyo Murtalim, Murtalim Muzammil, Ach Noer Sasongko Nugroho, Fajar Raditya Nur Wakhidah Nur Widyartha, Yogi Panata, Helmi Prasetio Patya, Dhea Intan Pratama, Tito Chaerul Prima, Juan Candy Putri, Nela Aulina Rahdiana, Nana Rahman, Mumammad Arif Rajab, Dede Ardi Rakasiwi, Galih Ramadan, Trisa Ramadani, Yovi Adhi Ransanoi, Teep Riana, Rati Ridwan Rizki Aulia Nanda Rohman Rosaria, Stefani Dewi Safril Safril Sanusi Sanusi Saputra Sigalingging, Wanri Saputra, Ridhwan Salahuddin Saputra, Ridhwan Shalahuddin Saputra, Rio Handika Setiaji, Galet Guntoro Setiarso, Galih Shieddieque, Apang Djafar Sudarjat, Muhammad Fauzaan Fikri Sudarjat Suhara, Ade Sukarman Sukarman Sukarman Sulistiyanto Sulistiyanto, Sulistiyanto Supriyanto, Danang Susanto Susanto Susilo, Hendri Syamsudin Syamsudin Tantri, Andini Kartika Taufik Ulhakim, Muhamad Taufik Ulhakim, Muhammad Taufiqur Rokhman, Taufiqur Thiyana, Thyana Tikamori, Ghazi Tri Toto Wiharjianto, Muhammad Ulhakim, Mumamad Taufik Vensy Vydia Wahyu Christanto, Febrian Widodo, Muhammad Faizal Agung Wieke Dewi Suryandari Zaidar, Chilfi ZAMAN, BADROE