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Selection of CNC Tool Combinations Through The Approach of Genetic Algorithm Methods with The Criteria of Minimizing Machining Time and Considering The Minimum Machining Gap Yulianto, Irwan; Martikasari, Arida Murti
Sainteks: Jurnal Sain dan Teknik Vol 6 No 1 (2024): Maret
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v6i1.644

Abstract

The demand for products that require high precision is increasing. Therefore the production process with CNC machines is highly crucial. In the milling machining process, the roughing process takes the most time. The suitable selection of tools combination for the machining area will reduce the machining time. Roughing process sometimes cannot process the machining area with the minimum gap size. The research is to develop tools combination selection algorithm with the criteria of reducing machining time by considering the minimum gap in the workpiece machining area. The first stage is the preprocessing stage, which aims to initiate the tool size that can be used in the workpiece machining process and tools size grouping for the smallest gap machining process. The second stage is genetic algorithm (GA) stage, which aims to find the best tools combination according to the objective function. The sequence in the GA stage is determining initial solution, parents selection, crossover, mutation, regeneration, and determining the best solution. The developed algorithm has been tested on four workpieces. Characteristics of the features were tested on two closed pocket workpieces with island, each open pocket with island, and close pocket without island. Development of tools combination selection algorithm can assist in determining the best tools size to minimize the machining time.
PENGUATAN KOMPETENSI SOFT SKILLS MAHASISWA MELALUI PROGRAM CPL: CRITICAL THINKING, PUBLIC SPEAKING, LEADERSHIP, AND TEAMWORK Ibrahim, Muhammad Yusuf; Halim, Abdul; Yulianto, Irwan
MIMBAR INTEGRITAS : Jurnal Pengabdian Vol 4 No 2 (2025): AGUSTUS 2025
Publisher : Biro Administrasi dan Akademik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/mimbarintegritas.v4i2.6822

Abstract

Kepemimpinan (leadership) merupakan salah satu kompetensi esensial yang perlu dikembangkan di kalangan mahasiswa sebagai bekal menghadapi tantangan dunia kerja dan kehidupan sosial. Penguatan keterampilan kepemimpinan masih belum menjadi perhatian utama dalam kegiatan pembinaan kemahasiswaan di banyak perguruan tinggi. Kegiatan pengabdian kepada masyarakat ini bertujuan untuk meningkatkan kompetensi kepemimpinan mahasiswa melalui program CPL (Critical Thinking, Public Speaking, Leadership, and Teamwork) dengan pendekatan pelatihan partisipatif dan berbasis pengalaman. Kegiatan dilaksanakan selama dua minggu di Universitas Abdurachman Saleh Situbondo dan diikuti oleh mahasiswa lintas program studi. Pelatihan difokuskan pada peningkatan keterampilan berpikir strategis, komunikasi kepemimpinan, pengambilan keputusan, dan pengelolaan tim melalui simulasi peran, studi kasus, dan proyek kolaboratif. Hasil kegiatan menunjukkan bahwa mahasiswa mengalami peningkatan pemahaman konseptual, keterampilan praktis, serta transformasi sikap terhadap peran kepemimpinan. Program ini terbukti efektif dalam membentuk karakter pemimpin yang adaptif, komunikatif, dan berintegritas. Dengan demikian, model pelatihan ini dapat dijadikan alternatif strategis dalam mendukung pengembangan soft skills mahasiswa dan implementasi kebijakan Merdeka Belajar Kampus Merdeka (MBKM).
ANALISIS YURIDIS TENTANG PERTIMBANGAN HAKIM DALAM PUTUSAN NOMOR 109/Pid.B/2025/PN SIT TENTANG TINDAK PIDANA PENCURIAN Yulianto, Irwan; Riantika, Putry Mely; Wicaksono, Dafino Izzan
FENOMENA Vol 19 No 02 (2025): NOVEMBER
Publisher : Fakultas Hukum - Universitas Abdurachman Saleh Situbondo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36841/fenomena.v19i02.7311

Abstract

Tindak pidana pencurian diatur di dalam pasal 362 KUHP untuk pencurian biasa Mengatur tentang perbuatan mengambil barang sesuatu yang seluruhnya atau sebagian kepunyaan orang lain, dengan maksud untuk dimiliki secara melawan hukum. Pencurian adalah pengambilan barang milik orang lain secara tidak sah, tanpa izin, dan dengan niat untuk menguasai barang tersebut secara permanen. Tujuan dalam penelitian dalam hal ini adalah untuk menganalisis tentang (1)Apa akibat hukum pada terdakwa pelaku pencurian menurut putusan nomor 109/Pid.B/2025/PN Sit (2) Apakah pertimbangan hakim dalam putusan nomor telah sesuai dengan hukum pidana yang berlaku. Metode penelitian yang digunakan dalam penelitian metode yuridis normatif dengan pendekatan undang undang dan deskriptif analitis dengan data yang di peroleh di jelaskan dengan menggabarkan masalah hukum yang ada. Hasil yang akan di peroleh dari penelitian ini yakni (1) pelaku terbukti secara sah dan bersalah berdasarkan unsur yang di muat dalam pasal 362 KUHP tentang tindak pidana pencurian (2)pelaku di jatuhi hukuman pidana penjara selama 2 (dua) bulan telah sesuai dengan hukum pidana dan ketentuan pasal 362 KUHP.
Analysis of MICE Tour Package Usage in Malang City Yulianto, Irwan
Journal of Event, Travel and Tour Management Vol. 5 No. 1 (2025)
Publisher : Politeknik Pariwisata NHI Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34013/jett.v5i1.2074

Abstract

This research aims to analyze the use of MICE (Meetings, Incentives, Conferences, and Exhibitions) tour packages in Malang City and their impact on the consumption patterns of business tourists and bleisure preferences. The identified issues include the form of MICE tour package usage in the implementation of MICE activities in Malang City, the impact of MICE tour package usage on business tourist visits, and the bleisure trend that has not yet been widely facilitated by tour service providers. This bleisure trend indicates that business travelers tend to extend their stay to engage in additional leisure activities after their business events are completed. However, the lack of MICE tour packages integrated with bleisure activities can reduce the comfort and effectiveness of business travelers' trips. This study uses a quantitative approach with the Structural Equation Modeling (SEM) method. The research sample consists of 150 respondents who are business travelers and MICE tourism service providers in the city of Malang. The analysis results show that the use of MICE tour packages significantly affects the consumption patterns of business travelers and bleisure preferences. Bleisure preferences have been proven to mediate the influence of MICE tour package usage on the consumption patterns of business travelers. This means that the more attractive and complete the MICE tour packages are, the greater the incentive for business travelers to engage in bleisure activities, thereby increasing tourist consumption during their visit. The findings of this research emphasize that tourism service providers in Malang City need to develop more integrated and flexible MICE tour packages to support bleisure activities. Thus, the continuously increasing bleisure trend can be utilized to extend the stay of business travelers and promote sustainable tourism economic growth.
Pelatihan Penentuan Rute Pendistribusian Outlet Pada CV. Healfit Pangan Sehat (Dietgo Kitchen) Yulianto, Irwan; Martikasari, Arida Murti; Zulkifli, Ridwan
Jurnal AbdiMU (Pengabdian kepada Masyarakat) Vol. 5 No. 2 (2025): November
Publisher : Ma'soem University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32627/abdimu.v5i2.1683

Abstract

High distribution costs pose a significant challenge for Small and Medium Enterprises (SMEs), such as Dietgo Kitchen in Bandung, which inefficiently relies on third-party online delivery services to distribute ingredients to its seven branches. This point-to-point logistics issue increases total operational costs and erodes profit margins. To address this, an intervention in the form of Vehicle Routing Problem (VRP) Implementation Training and Mentoring was conducted for the company's distribution team, aimed at utilizing the company's unoptimized food trucks for autonomous delivery. The training focused on mastering the VRP heuristic methods, namely Nearest Neighbor and Nearest Insertion, to determine optimal delivery routes from the central warehouse to all outlets. This mentoring included actual field data acquisition, route simulations, and structured delivery management training. Evaluation results showed a significant positive impact, with a 43.71% reduction in delivery costs compared to the average of the previous three months. While employee adaptation to the new VRP system and methods is still required, this implementation demonstrates that VRP is an effective strategic instrument for achieving delivery route efficiency and reducing routine operational costs for SMEs.