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All Journal Jurnal Teknik Mesin VOLT : Jurnal Ilmiah Pendidikan Teknik Elektro
Muhammad Yusuf
Universitas Mercu Buana
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Engineering Mechanical Engineering

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ANALISA KEKASARAN PERMUKAAN TERHADAP KEKERASAN MATERIAL PADA PROSES MILLING DENGAN VARIASI KECEPATAN FEEDING Muhammad Yusuf; Henry Carles
Jurnal Teknik Mesin Vol 8, No 2 (2019)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v8i2.4565

Abstract

Penelitian di bidang pemesinan dalam menguji tingkat kekasaran perlu dilakukan untuk mendapatkan hasil yang baik dalam proses pemesinan. Tujuan Penelitian ini adalah: menganalisis pengaruh feeding pada proses end milling surface terhadap tingkat kekasaran, untuk mengetahui parameter feeding yang dapat menghasilkan kekasaran yang optimal. Metode yang digunakan yaitu metode eksperimen. Variabel bebas dalam penelitian ini adalah variasi feeding dimana nilai feeding yang diambil adalah 150 mm/min, 300 mm/min, dan 450 mm/min serta 3 variasi material dengan tingkat kekerasan yang berbeda. Variabel terikatnya adalah tingkat kekasaran, sedangkan variabel kontrol adalah depth of cut (0,5 mm) dan kecepatan spindel (3000 Rpm). Sedangkan proses yang digunakan adalah proses CNC milling surface. Pengujian kekasaran menggunakan surface roughness tester. Berdasarkan penelitian yang telah dilakukan, feeding yang paling kecil memberikan hasil kekasaran yang baik.
Design and development of temperature and humidity control system using PID and Labview on a 20 kV cubicle Imelda Uli Vistalina simanjuntak; Agung Yoke Basuki; Lukman Medriavin; Muhammad Yusuf
VOLT : Jurnal Ilmiah Pendidikan Teknik Elektro Vol 7, No 1 (2022): April 2022
Publisher : Department of Electrical Engineering Education, Faculty of Teacher Training and Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/volt.v7i1.12024

Abstract

Damage to the 20 kV cubicle at PLN Branch Lahat often occurs because the overheater causes considerable losses. Insulation failure at the corroded cubicle terminal results in a decrease in heat production and heater resistance. So there is a mall function (saturated) and a short circuit. Therefore, this study aims to design a prototype to maintain temperature and humidity conditions in a 20 kV cell using Proportional Integral Derivatives (PID) and LabVIEW. Set the Kp, Kd, and Ki parameters, namely proportional, derivative, and integral constants, so that the desired temperature can be maintained to prevent corrosion. The parameter value was obtained at the set point of 40 °C by a value of Kp is 1, Ki is 0.1, and Kd is 0.05, resulting in a rise time of 188 s, a peak time of 216 s, stabilization of 288 s, and a steady-state error of 0.30%. In addition, the setpoint is 43°C, the rise time is 272 s, the peak time is 311 s, the settling time is 377 s, and the steady-state error is 0.60%. Moreover, the 45°C setpoint has a rise time of 338 s, a peak time of 380 s, a settling time of 448 s, and a steady-state error of 0.93%. These results indicate a reasonably good prototype performance.
Co-Authors Agung Yoke Basuki Henry Carles Imelda Uli Vistalina Simanjuntak Lukman Medriavin