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All Journal Rotasi Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri
Paryanto, P
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Transformasi Digital di Pembangkit Listrik di Indonesia: Kajian dari Sisi SDM dan Teknologi Paryanto, P; Indrawan, Harry; Cahyo, Nur; Aisyah, Siti; Suprihanto, Agus; Sulardjaka, S
ROTASI Vol 23, No 2 (2021): VOLUME 23, NOMOR 2, APRIL 2021
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.23.2.%p

Abstract

In 2021, several power plants in Indonesia have been started a digital transformation to increase efficiency and reduce operating costs. Therefore, in order to accelerate and ensure the sustainability of the transformation, it is necessary to analysis the readiness of human capital and its technology/systems. In this research, methods that are used are: survey, discussion, and verification of several power plants in Indonesia regarding their readiness and conditions. The result of the study shows that its need to increase digital competencies and open mindset of existing employees at the power plant, both at operator and management level. The digital transformation of Indonesian power plants requires an upskilling program for the employee, which is needed to create appropriate digital innovation and accelerate the digitization project. Otherwise, in terms of technology, it needs to increase cybersecurity, useability, and interoperability of the digital technologies. Although cyber security in power plants is sufficient, it needs to standardize the OT/IT connection.   
Perancangan Prototype dan Evaluasi Alat Pemantauan Air Limbah Industri Berbasis IoT Paryanto, P; Subarkah, Resqilla; Rusnaldy, R
ROTASI Vol 24, No 1 (2022): VOLUME 24, NOMOR 1, JANUARI 2022
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.24.1.50-57

Abstract

Penelitian ini memiliki tujuan untuk merancang prototype alat monitoring air limbah industri dengan sistem real-time yang kemudian akan di evaluasi. Pengujian dilakukan dengan menggunakan empat parameter yaitu suhu, pH, oksigen terlarut (DO), dan kekeruhan. Metode penelitian yang digunakan adalah metode eksperimental. Penelitian dilakukan dengan menguji 5 macam sampel berbeda di dalam lab dengan menggunakan alat yang telah dibuat pada kondisi suhu awal 23oC selama 1 jam. Penelitian ini menggunakan sistem real-time monitoring berbasis Arduino Nano dan cloud berupa Blynk. Dengan menggunakan sistem real-time, proses pengujian akan menjadi lebih efisien, cepat, dan dapat dikontrol dimanapun dan kapanpun.  Hasil penelitian dianalisis dengan menggunakan standar Baku Mutu Air Limbah yang telah di tetapkan oleh Kementerian Lingkungan Hidup dan Kehutanan. Dari pengujian didapatkan hasil bahwa nilai DO air limbah farmasi berada jauh di bawah nilai standar. Untuk nilai pH, air limbah tekstil, limbah minuman ringan, limbah minyak goreng, dan limbah pengalengan ikan berada diatas standard yang ditentukan.  Untuk nilai kekeruhan, setelah di konversikan ke nilai TSS, air limbah farmasi dan air limbah minyak goreng berada diatas standard air limbah yang telah ditentukan.
Pembuatan Prototipe dan Analisis Unjuk Kerja Mekanis Perahu Otonom Propulsi Tenaga Angin Setiawan, Joga; Saputro, Rohman; Iskandar, Norman; Paryanto, P
ROTASI Vol 24, No 1 (2022): VOLUME 24, NOMOR 1, JANUARI 2022
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.24.1.65-71

Abstract

Wind power propulsion autonomous boat (POPTAN) is a robotic boat that moves by utilizing wind energy through the automatic control of its sails and rudders. POPTAN can be used as an ocean monitoring tool with the advantage of operating autonomously for a relatively long period. In this study, the POPTAN has a main wing and a flap to adjust the angle of attack of the main wing, the steering section to determine the direction, and the keel section to maintain stability. A dynamic simulation model of POPTAN with MATLAB was made to assess the response of the speed and direction of the boat motion, with a specific flap angle flap and rudder angle, constant wind speed, and calm seawater conditions. Measurements and calculations of the non-essential mass added to the boat were carried out. The roll and pitch motion testings were performed by varying the wind speed by 4, 6, 8, and 10 m/s for two keel configurations. It is concluded that the greater the wind speed, the higher the response speed, the higher the steady-state speed in the resultant direction dominated by the longitudinal axis direction velocity, and the steady-state angle of motion the boat will be smaller. The boat can carry non-essential mass up to 4.5 kg. In the roll motion test, the results of the 2nd keel showed better performance than the 1st keel, based on the value of the oscillation period and damping constant.
The Effect Of Printing Speed And Nozzle Temperature On Tensile Strength, Geometry, and Surface Roughness Of A Product Printed using ABS Filament Nurgesang, Faisal Arif; Dhewanto, Santo Ajie; Ridlwan, Muhammad; Paryanto, P
Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri 2022: Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri
Publisher : Universitas Muhammadiyah Surakarta

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

Abstract

3D printing is an additive manufacturing technology that can quickly create 3D models by softening thermoplastic filaments layer by layer. In making objects using 3D printing technology, there are several parameters that affect the strength of the printed objects, including the printing speed and nozzle temperature. This study aims to investigate effect of printing speed and nozzle temperature on tensile strength, geometry, and surface roughness of a product printed using ABS filament. The printing speeds were varied at 30, 40, and 50 mm/s while the nozzle temperature vaeried at 235, 245, and 255 oC. The tensile test was carried out on the printed specimens according to ASTM D-638-02a. The surface roughness and geometry tests were carried out on the printed specimen with dimensions of 30x30x40 mm. The surface roughness and geometry tests were performed on the vertical side in order to examine the layer and the change of height. The results concluded that the optimum printing speed and nozzle temperature based on the research conducted were 30 mm/s and 255 oC where the tensile strength as high as 33.52 MPa was obtained.
Co-Authors Agus Suprihanto Dhewanto, Santo Ajie Faisal Arif Nurgesang Indrawan, Harry Norman Iskandar Nur Cahyo Ridlwan, Muhammad Rusnaldy, R Saputro, Rohman Setiawan, Joga Siti Aisyah Subarkah, Resqilla Sulardjaka, S