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All Journal Jurnal Manajemen Terapan dan Keuangan Jurnal Ilmiah Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin International Journal of Electronics and Communications Systems PELS (Procedia of Engineering and Life Science)
Achmad Yahya Teguh Panuju
Universitas Lampung
Humanities Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering Social Sciences

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Aplikasi Rencana Pemotongan Plat Menggunakan Sistem Pakar Ryan Muhriyana; Yanuar Burhanuddin; Achmad Yahya T Panuju
Jurnal Ilmiah Teknik Mesin Vol 1, No 2 (2013): Jurnal FEMA Vo.1 No.2 Tanggal 10 April 2013
Publisher : Jurnal Ilmiah Teknik Mesin

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

Abstract

In each plate cutting, design is paramount in the cutting plan. Cutting plan was made to minimize costs, wages designers, reducing the lead time required to order and improve the accuracy of estimated production costs. To help address the difficulties in cutting plate, it needs to be an expert system application expertise, bringing together designers each cut plate. The system created is an expert system for plate cutting plan is done by designing a program with the cutting plate in accordance with the wishes of the user using Visual Basic programming language 6.0. Where in the making users create data base using microsoft acces then applied into Visual Basic 6.0. Although this application is simply to cut the plate arrives squares and rectangles only, but with this program engineer can determine the total and the rest of the plate to be cut before the plate was cut.Keywords: expert system, cutting plate, rest of plate cutting
EFEK PELUMASAN METODE MINIMUM QUANTITY LUBRICATION (MQL) TERHADAP KUALITAS PERMUKAAN BENDA KERJA MAGNESIUM Gusri Akhyar Ibrahim; Achmad Yahya; Robby Saputra
TURBO [Tulisan Riset Berbasis Online] Vol 7, No 2 (2018): Desember 2018
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.243 KB) | DOI: 10.24127/trb.v7i2.775

Abstract

Magnesium merupakan satu diantara bahan ringan yang banyak digunakan antaranya di bidang otomotif, sport, biomedik dan elektronik, karena memiliki sifat yang ringan dan tahan terhadap korosi. Namun magnesium dikenal sebagai bahan logam yang mudah terbakar, karena memiliki titik nyala yang rendah. Sehingga pada proses pemesinannya harus menggunakan cairan pendingin untuk menurunkan suhu pemotongan. Tujuan penelitian ini untuk mendapatkan pengaruh penambahan pelumas terhadap nilai kekasran permukaan atau kwalitas permukaan. Penelitian ini menggunakan beberapa jenis pelumas yaitu synthetic oil, minyak kedelai, dan kelapa sawit yang akan dibandingkan tanpa menggunakan pelumas. Hasil pengujian pemesinan frais untuk mendapatkan nilai kekasaran permukaan material magnesium AZ31 pada parameter kecepatan potong pahat (Vc) 31,4, 40,82, dan 50,24 m/min, gerak makan (f) 0,15 mm/rev, dan kedalaman potong 1 mm menggunakan pahat end mill berdiameter 10 mm. Kemudian dilakukan uji kekasaran pada permukaan benda kerja tersebut. Hasil penelitian menunjukkan bahwa nilai kekasaran minimum 1,147 μm dicapai dengan menggunakan minyak kelapa sawit dimana hasil tersebut lebih rendah dibandingkan dengan nilai kekasaran maksimum 5,925 μm. Pelumasan menggunakan minyak synthetic oil dan minyak kedelai pada pemesinan frais tidak memberikan pengaruh yang besar. Kesulitan bahan pelumas sampai pada area kontak juga mengurangi efektifitas pelumasannya.
NIAT PEMBELIAN GREEN PRODUCT: PERAN KESADARAN DIRI MASYARAKAT, KEBANGGAAN, RASA BERSALAH, DAN KESADARAN MASYARAKAT Dwi Asri Siti Ambarwati; Dorothy R. H. Pandjaitan; Achmad Yahya Teguh Panuju
Jurnal Manajemen Terapan dan Keuangan Vol. 11 No. 2 (2022): Jurnal Manajemen Terapan dan Keuangan
Publisher : Program Studi Manajemen Pemerintahan dan Keuangan Daerah Fakultas Ekonomi dan Bisnis Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jmk.v11i2.18782

Abstract

Abstrak Saat ini. konsumen di dunia sangat memperhatikan dampak dari pemanfaatan produk terhadap lingkungan. Oleh karena itu, mereka membeli produk yang aman untuk alasan ini. Kondisi ini menjadi peluang bagi perusahaan untuk menciptakan merek di benak konsumen sehingga mereka dapat memasarkan produk tersebut secara efektif. Meskipun merek lokal yang berlabel green product di Indonesia cukup banyak, namun kecenderungan konsumen untuk menggunakan produk tersebut tidak sebesar di negara lain. Berdasarkan isu tersebut, penelitian ini bermaksud mengungkap alasan niat masyarakat Indonesia di Bandar Lampung untuk membeli produk perawatan kulit dengan menguji beberapa faktor penentu: kesadaran diri masyarakat, kebanggaan, rasa bersalah, dan kesadaran. Untuk itu, kami menggunakan survei berdasarkan 240 tanggapan dan menganalisisnya dengan model persamaan struktural berdasarkan kovarians untuk mencapai tujuan ini. Studi ini mengungkapkan niat ini dipengaruhi oleh kesadaran diri publik, kebanggaan, dan rasa bersalah secara positif. Pengaruh positif ini terjadi ketika peneliti memeriksa dampak perasaan bangga dan perhatian terhadap kesadaran diri atas publik. Kata Kunci: produk perawatan kulit berwawasan lingkungan, kebanggaan, rasa bersalah, kesadaran diri publik, niat beli.
Internet of Things Ultraviolet Sterilizer Receiver Box: How to Design and Construct? Meizano Ardhi Muhammad; Achmad Yahya Teguh Panuju; Hadi Prayitno; Rio Ariestia Pradipta; Martinus Martinus; Gustian Ilham Akbar
International Journal of Electronics and Communications Systems Vol 1, No 2 (2021): International Journal of Electronics and Communications System
Publisher : Raden Intan State Islamic University of Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (997.802 KB) | DOI: 10.24042/ijecs.v1i2.10617

Abstract

COVID-19 is a virus that can spread through objects and depending on environmental conditions. It can last for several hours without destroying structures or disintegrating. Due to the COVID-19 pandemic, people were restricted from going outside to buy essential goods. Based on these conditions, it is necessary to design an IoT-based virus-safe package receipt box that is intuitive and comfortable for users to use, whether sending or receiving packages. People can control the system via remote control. Sterilization is carried out intelligently by considering the packet received. Design and construction of Internet of Things Ultraviolet Sterilizer Receiver Box use the Design Science Research Method. The methods consist of six stages: identify problem motivate, define the objective of a solution, design development, demonstration, evaluation, and communication. There are three parts of the system: sterilizer receiver box, mobile application, and Internet of Things. The system successfully passes the five testing scenarios: package received detection, package retrieved detection, ultraviolet irradiation, data service, and locking. The IoT-based virus-safe package receipt box can help maintain public health by preventing the COVID-19 virus with ultraviolet sterilization and supporting a modern lifestyle where people who work when the package arrives do not have to worry about the packages arriving.
PM2.5 Concentration Pattern in ASEAN Countries Based on Population Density Achmad Yahya Teguh Panuju; Mustofa Usman
Procedia of Engineering and Life Science Vol 4 (2023): Proceedings of the 6th Seminar Nasional Sains 2023
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/pels.v4i0.1385

Abstract

The concentration of PM2.5 in ambient air is one of the indicators of air quality that affects public health. This pollutant is considered hazardous due to its small size, which allows it to enter the lungs and remain suspended in the air for a considerable amount of time. Identifying the patterns of PM2.5 concentration distribution is important to recognize the influential factors in increasing PM2.5 concentrations, thus enabling better formulation of solutions. This study analyzed the patterns of PM2.5 concentrations in three ASEAN countries: Indonesia, Vietnam, and Thailand. Four randomly selected measurement locations were chosen in each country, with two locations in densely populated areas and two others in low-density areas. The sample data of PM2.5 concentrations were analyzed using nested factor analysis of variance, which allowed the relationship between the taken parameters, namely country, location, and population density classification, to be determined. The results revealed that all parameters had a significant influence on PM2.5 concentrations.
Co-Authors Dorothy R. H. Pandjaitan Dwi Asri Siti Ambarwati Gusri Akhyar Ibrahim Gustian Ilham Akbar Hadi Prayitno Martinus Martinus Meizano Ardhi Muhammad Mustofa Usman Pradipta, Rio Ariestia Robby Saputra Ryan Muhriyana Yanuar Burhanuddin