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STUDI SIMULASI PENGARUH VARIASI UKURAN PIEZOELEKTRIK DAN KEBISINGAN LOKOMOTIF KERETA TERHADAP TEGANGAN DENGAN MENGGUNAKAN ANSYS Utomo, Ilham Satrio; Prasetya, Henry Widya; Kurniawan, Moch Aziz
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 4 No 2 (2020): Jurnal Perkeretaapian Indonesia Volume 4 Nomor 2 Tahun 2020
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v4i2.106

The purpose of this study was to determine the effect of variations in electrical piezo size and train locomotive noise to the voltage generated using ANSYS. Pezoelectric Size variations used are 1x1, 3x3, 5x5 (cm). As for the noise variations used are 93, 96, 98, 100 (dB). The method used is the numerical method; in this case Finite Element Analysis (FEA) with the help of ANSYS Static structural program. The results showed that using piezoelectric 5x5 cm and at 100 dB noise produced a maximum voltage of 158.12 mV.

PROTOTIPE LORI INSPEKSI ELEKTRIK BERTENAGA SURYA (LORI PPI E-2000 GENERASI 3) Atmaja, Dadang Sanjaya; Prasetya, Henry Widya
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 4 No 2 (2020): Jurnal Perkeretaapian Indonesia Volume 4 Nomor 2 Tahun 2020
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v4i2.128

The use of inspection lorries in infrastructure maintenance activities is needed to minimize labor in maintenance and time efficiency. The development of inspection lorries at the Indonesian Railroad Polytechnic of Madiun continues, starting from the motor, wheels, frames, body, rubber dumper and solar panels as the main energy source. The motor uses a BLDC (Brushless direct current) electric motor with a power of 2680 Watts, a current of 35 A and a rotating speed of 4250 Rpm which is environmentally friendly. The development of the inspection lorry uses a monoblock structure with a casting process. The material used comes from nodular cast iron (FCD), having an average hardness of 191 HB. Rubber dampers are known as shock absorbers with a length of 185 mm, a width of 60 mm, and a height of 30 mm. The composition of the Rubber damper material is as follows: 55% natural rubber, 25% Carbon black, 5% White oil, 3% Zine oxide, 2% Accelerator, 2% Anti Oxidant, 3% Steread Axid, and 5% sulfur. The inspection lorry body is made of fiber reinforced polymers of plastics (FRP) type composite material. This composite uses a polymer made from polyester resin as a matrix (binder) and strengthens fibrous glass fibers using the hand lay-up method. Solar panels are the main energy source to supply the electric motor power. Solar panels can work optimally with a Pmax presentation reaching 99.29% and a range of 11 km. The railroad geometry measuring device is equipped with a maxbotic sensor to detect rail road width, a gyroscope as a height difference detector and a KTR displacement sensor to detect rail wear. The design of the PPI Madiun electric inspection lorry has high aesthetic and ergonomic value.

SOSIALISASI KESELAMATAN PERKERETAAPIAN DI SDN NGUJUNG II MAGETAN Kurniawan, Muhammad Adib; Puspitasari, Armyta; Prasetya, Henry Widya; Arifianto, Teguh; Utomo, Ilham Satrio
JPMPPI (Jurnal Pengabdian Masyarakat) Vol 1 No 1 (2021): April 2021
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Kunci keselamatan dalam berkendara adalah berkendara dengan disiplin, menghormati pengendara lain, dan beretika saat berkendara. Sampai saat ini masih terdapat pengendara yang kurang memperhatikan kunci keselamatan berkendara. Hal ini dikarenakan masyarakat belum sadar akan pentingnya pengetahuan mengenai keselamatan berkendara. Oleh karena itu, perlu adanya cara yang efektif untuk mengedukasi masyarakat tentang pentingnya pengetahuan keselamatan berkendara melalui kegiatan pengabdian masyarakat. Kegiatan pengabdian masyarakat ini dengan melakukan sosialisasi keselamatan perkeretaapian di SDN Ngujung II Magetan. Sosialisasi ini bertujuan untuk mengedukasi para siswa untuk mengetahui aspek hukum perkeretaapian dan semboyan perkeretaapian. Hasil dari pengabdian masyarakat ini diharapkan siswa SDN Ngujung II Magetan dapat memahami aspek hukum perkeretaapian dan semboyan perkeretaapian.

Pembuatan Alat Bantu Pemasang Dan Pelepas Penambat E-Clip Berbasis Hidrolik Atmaja, Dadang Sanjaya; Prasetya, Henry Widya
Jurnal Perkeretaapian Indonesia (Indonesian Railway Journal) Vol 5 No 2 (2021): Jurnal Perkeretaapian Indonesia Volume 5 Nomor 2 Tahun 2021
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jpi.v5i2.157

Maintenance of the mooring system is an effort to keep the moorings on the railroad tracks in good condition. Installing and removing fastenings in Indonesia uses manual tools, namely hammers and panpullers so that it takes a long time and is less effective, so the development of the tool is aimed at minimizing the use of human labor, being more effective and not requiring a lot of time to install and remove fasteners. In this final project, the manufacture of a hydraulic-based fastening installation and release tool is carried out with the development of an old tool with a new tool. The hydraulic-based fastening installation and removal tool have a length of 105 cm, a width of 67 cm and a height of 91 cm which is able to minimize the use of human labor and is more effective in installing and removing the fasteners. The use of these tools by placing the tool on the rail and positioning the hydraulic cylinder in front of the fasteners, then pump using the hydraulic pump lever until the fasteners can be attached or removed. From the results of the development of this tool, it can be seen that the installation and removal of fasteners can be done by minimizing human labor and requires an effective time of 50 seconds.

PENGENALAN SARANA PERKERETAAPIAN PADA SISWA DAN GURU SMPN 1 NGRAHO BOJONEGORO Apriliani, Nurul Fitria; Prasetya, Henry Widya
Jurnal Pengabdian Kepada Masyarakat Patikala Vol. 3 No. 1 (2023): ABDIMAS PATIKALA
Publisher : Education and Talent Development Center of Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/patikala.v3i1.895

At this time, transportation and mobility of people in Indonesia have used many modes of rail transportation. This choice is influenced by the various advantages offered by rail transportation modes such as its large and efficient transport capacity, on time and good accessibility. Railway technology has undergone very significant developments in recent times. Starting from conventional trains, electric trains and even fast trains (High-speed Train). One of the things that influence the development of railways is the application of science and technology, one of which is science and engineering. Therefore, strengthening the basis of science and introducing technology must be carried out, including at the primary and secondary education levels as an effort to prepare quality human resources for the development of railroad technology in the future. The introduction of rolling stock to students and teachers at SMPN 1 Ngraho Bojonegoro aims to enable students and teachers to have a deeper understanding of railway technology, especially the types of railway facilities in the hope that it will become one of the tools in learning science and technology. The method used in this activity is counseling with several stages such as preparation, implementation and evaluation. The core activity is to provide a presentation regarding the development of railway technology in general, followed by an understanding of railway facilities and types of rolling stock. The results of the evaluation showed that there was an increase in knowledge and understanding regarding railways and rolling stock among the participants. The average percentage increase in understanding of grades pre-test and post-test is equal to 76.5%. In addition, 80% of respondents stated that this activity was very useful.

PENGENALAN SARANA PERKERETAAPIAN PADA SISWA DAN GURU SMPN 1 NGRAHO BOJONEGORO Apriliani, Nurul Fitria; Prasetya, Henry Widya
Jurnal Pengabdian Kepada Masyarakat Patikala Vol. 3 No. 1 (2023): Jurnal PkM PATIKALA
Publisher : Education and Talent Development Center of Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/patikala.v3i1.895

At this time, transportation and mobility of people in Indonesia have used many modes of rail transportation. This choice is influenced by the various advantages offered by rail transportation modes such as its large and efficient transport capacity, on time and good accessibility. Railway technology has undergone very significant developments in recent times. Starting from conventional trains, electric trains and even fast trains (High-speed Train). One of the things that influence the development of railways is the application of science and technology, one of which is science and engineering. Therefore, strengthening the basis of science and introducing technology must be carried out, including at the primary and secondary education levels as an effort to prepare quality human resources for the development of railroad technology in the future. The introduction of rolling stock to students and teachers at SMPN 1 Ngraho Bojonegoro aims to enable students and teachers to have a deeper understanding of railway technology, especially the types of railway facilities in the hope that it will become one of the tools in learning science and technology. The method used in this activity is counseling with several stages such as preparation, implementation and evaluation. The core activity is to provide a presentation regarding the development of railway technology in general, followed by an understanding of railway facilities and types of rolling stock. The results of the evaluation showed that there was an increase in knowledge and understanding regarding railways and rolling stock among the participants. The average percentage increase in understanding of grades pre-test and post-test is equal to 76.5%. In addition, 80% of respondents stated that this activity was very useful.

ANALYZING THE USE OF B35 BIODIESEL ON THE DISTANCE AND FUEL FILTERS LIFETIMES FOR LOCOMOTIVES CC201 AND CC203 Atmaja, Dadang Sanjaya; Damayanti, Ajeng Tyas; Utomo, Ilham Satrio; Prasetya, Henry Widya; Firjatullah, Aisha Aristawidya
Journal of Railway Transportation and Technology Vol. 4 No. 1 (2025): March
Publisher : Politeknik Perkeretaapian Indonesia Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37367/jrtt.v4i1.46

Blends of biodiesel, like B35, are becoming more and more popular as the demand for cleaner energy sources grows. There are a number of difficulties with using biodiesel, particularly with respect to diesel engine fuel filtration systems. The purpose of this study is to determine the fuel filter's level of contamination at particular mileage intervals, assess how well the filter works with biodiesel blends, and calculate the fuel filter's lifespan when using B35 biodiesel. The authors have conducted an experimental study involving a testing apparatus to measure the flow rate at the filter. Real-time data on fuel flow rate and filter cloggi ng rate will be collected and analyzed to determine the impact of filter efficiency on fuel changes. The experimental data will be compared and contrasted to draw meaningful conclusions about the correlation between filter clogging and fuel flow rate. The data shows that the CC201 filter experiences less contamination compared to the CC203 filter. These results suggest that the CC201 maintains better performance at the distances tested. Filter quality was estimated based on the remaining flow rate capacity, showing a direct correlation between mileage and filter deterioration. Firstly, it was found that the level of contamination experienced by the CC201 fuel filter was superior to that of the CC203 filter. Secondly, the relationship between fuel filter life and locomotive mileage is illustrated by a scatter plot graph showing a decreasing trend line. Thirdly, from the use of B35 fuel, the performance of the fuel filter decreased at a percentage of 10% and 13% on each locomotive.

Multiple E-Learning technologies on practicing TOEFL structure and written expression Pratiwi, Damar Isti; Atmaja, Dadang Sanjaya; Prasetya, Henry Widya
JEES (Journal of English Educators Society) Vol 6 No 1 (2021): April
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/jees.v6i1.1194

The present study investigates how to implement multiple e-learning technologies on practicing TOEFL PBT Section 2, Structure and Written Expression, and its effectiveness. It is a case study at Indonesian Railway Polytechnic. The participants were 48 students of the Railway Mechanical Technology program observed during eight online TOEFL practising classes. The data were collected using observation note to describe the implementation of e-learning technologies, comparing each score to determine the effectiveness of the technologies and a questionnaire to identify students’ feedback. The findings identified how to implement multiple e-learning technologies on practicing TOEFL PBT Section 2 in which effective to increase students’ TOEFL score; those technologies were regarded as interesting media on practicing TOEFL structure and written expression and received more positive feedbacks than the drawback from the students of Railway Mechanical Technology program. These imply that implementing multiple e-learning technologies on practicing TOEFL structure and written expression enhances students’ learning outcomes. HIGHLIGHTS: Multiple e-learning technologies enhance students’ learning outcomes in TOEFL PBT Section 2, structure and written expression. Quizizz, Kahoot!, Socrative, and Google Forms are interesting media on practicing TOEFL Structure and Written Expression. The fourth e-learning technologies receive more positive feedbacks than the drawback from the students in on practicing TOEFL PBT section 2.

Pelatihan Aplikasi Mendeley sebagai Instrumen Citation dan Reference Manager Artikel Ilmiah bagi Akademisi di Kota Madiun Pratiwi, Damar Isti; Prasetya, Henry Widya; Atmaja, Dadang Sanjaya
Jurnal Pengabdian UNDIKMA Vol. 3 No. 2 (2022): August
Publisher : LPPM Universitas Pendidikan Mandalika (UNDIKMA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/jpu.v3i2.5502

The community service about training in using Mendeley application as a citation and reference manager instrument in writing article for university students in Madiun aims to share knowledge for academicians in writing article citation and reference manager using Mendeley. The participants of this community service are the university students in Madiun. This activity was done through discussion and simulation in Zoom meeting. It was started with planning and socialization for a month through social media. The simulation was done through Zoom meeting in a day. Evaluation of this activity was done by giving questionnaire for all participants at the end of the training. The results of the evaluation showed that the training of article citation and reference manager in writing article benefits for the university students in writing appropriate APA 7th edition-citation.

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