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All Journal POSITRON ComTech: Computer, Mathematics and Engineering Applications STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering
Hendro Hendro, Hendro
Fakultas Ekonomi, Universitas Indonesia Jl. Dr. Sumitro Djojohadikusumo (Lkr. Kampus Raya), Depok
Automotive Engineering Computer Science & IT Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics

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System Requirement in View Of Users and Process for Content Management and Academic Support System for Computer Laboratory (Case Study: Software Laboratory Center Binus University) Ce, Win; Juwitasary, Hanny; Hendro, Hendro
ComTech: Computer, Mathematics and Engineering Applications Vol 6, No 1 (2015): ComTech
Publisher : Bina Nusantara University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21512/comtech.v6i1.2286

Abstract

The system for Laboratory Information will take focus on determining the need for information systems related to the management, content development and academic management in the laboratory. These processes will focus on understanding the need and system requirement for a laboratory information system that focus on content management and the way to design a process to make sure the continuation of content creation can be done. With the design of the laboratory information system is expected to serve as a sample in the development of similar application for the course in general. The methodology to be used is to use the study of literature, design, and testing of laboratory information systems.
Model Perhitungan Energi Gas alam berbasis Pada Kecepatan Suara, Bulk Modulus, dan Komposisi Gas Diluent Padang, Elohansen; Hendrajaya, Lilik; Pasasa, Linus Ampang; Hendro, Hendro
POSITRON Vol 9, No 2 (2019): November Edition
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam, Univetsitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1244.633 KB) | DOI: 10.26418/positron.v9i2.32852

Abstract

Gas alam merupakan campuran hidrokarbon kompleks yang karakteristik utama kualitasnya sering dinyatakan dalam bentuk nilai kalor, yaitu energi yang dilepaskan tiap satuan massa atau satuan volume bahan bakar ketika habis dibakar. Pengukuran energi gas alam saat ini umumnya dilakukan secara tidak langsung dengan mengkombinasikan flow meter dan kromatografi gas atau gas analizer. Metode tidak langsung memiliki beberapa keterbatasan sehingga mendorong para peneliti mengembangkan metode alternatif menghitung energi gas alam. Pada penelitian ini, dikembangkan metode korelasi yang berbasis pada bulk modulus campuran gas alam, kecepatan suara, dan komposisi gas diluent sebagai alternatif metode perhitungan energi campuran gas alam. Pengembangan model dilakukan menggunakan 95 data komposisi gas alam yang dilaporkan oleh Morrow, et al. [11]. Data komposisi tersebut digunakan untuk  menghitung kecepatan suara (vs), massa jenis (ρ), dan rasio kapasitas panas (γ) campuran gas alam pada keadaan standar (150C, 0,325 kPa). Kemudian nilai vs, ρ, γ dan komposisi gas diluent (CO2 dan N2) dipakai untuk menghitung bulk modulus campuran gas alam dan bulk modulus hidrokarbon. Sementara itu, nilai kalor campuran gas alam pada keadaan standar dihitung dalam basis massa menggunakan data nilai kalor tiap-tiap komponen campuran gas alam yang terdapat dalam Standar GPA 2145. Setelah semua data fisis diperoleh, dilakukan pencocokan kurva untuk memperoleh model menghitung energi campuran gas alam. Hasil pengujian kinerja model menunjukkan bahwa persentase kesalahan adalah sebesar 0,0697% dengan rentang dari 0  sampai 0,119%, RMSE sebesar 0,0833, dan R sebesar satu. Hasil tersebut mengindikasikan bahwa model yang dikembangkan memiliki akurasi tinggi sehingga dapat direkomendasikan sebagai metode alternatif untuk menghitung energi gas alam.
ANALISIS KOMPETENSI LULUSAN SMK YANG DIBUTUHKAN DU/DI DENGAN METODE MULTIPLE CRITERIA UTILITY ASSESMENT (MCUA) Hendro, Hendro; Vontas Alfenny; rahmat, hudan
Steam Engineering Vol. 5 No. 2 (2024): STEAM Engineering, Vol. 5, No. 2, Maret 2024
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v5i2.10058

Abstract

Abstract: The purpose of this study is to determine the competency of SMK graduates with Dudi competence (Business World/Industry World). There is still a gap between the skills possessed by vocational high school graduates and the needs of the business and industry world. This is due to the mismatch between the competencies taught in education and the existing technological developments. Multiple Criteria Utility Assessment (MCUA) is a method used in decision-making that involves multiple criteria or factors that need to be evaluated. This method helps in selecting the best alternative based on objective assessments of various relevant factors. It involves collecting data on criteria relevant to decision-making and then assigning weights or importance to each criterion. Then, each alternative is evaluated based on these criteria, and a value or score is given for each alternative on each criterion. These scores are then used to calculate the utility value for each alternative. The results obtained show that Problem A, which is communication skills with a total value of 165 after being multiplied by the weight, becomes the first priority for improvement. Problem B, management skills, has a total value of 155, making it the third priority for improvement. The total value of 155 becomes the second priority for improvement. Overall, it is necessary to design an integrated and sustainable program in schools or educational institutions to enhance students' communication, planning and organizational skills, as well as their management abilities. Collaboration with industries and the implementation of active and project-based teaching methods can provide practical experiences to students. It is also important to involve experts and industry practitioners in designing programs that are relevant to the current job market needs.
Co-Authors Ce, Win Hanny Juwitasary, Hanny Lilik Hendrajaya Linus Pasasa Muhammad Hudan Rahmat Padang, Elohansen Ratna Wardhani Vontas Alfenny