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Modifikasi Alternator dan Sistem Kelistrikan Untuk Peningkatan Daya Listrik Sepeda Motor 125 cc Alfi Tranggono Agus Salim; Eko Darmawan; Yoga Ahdiat Fakhrudi; Izhary Siregar; Balkhaya Balkhaya; Muhammad Anhar Pulungan; Sufiyanto Sufiyanto; Thenny Daus Salamoni
Jurnal Energi dan Teknologi Manufaktur Vol 2 No 02 (2019)
Publisher : Polinema Press, Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jetm.v2i02.46

Abstract

The alternator on the motor is one component of the vehicle that can be used to improve its utilization. Modifications to the alternator on the vehicle are made to increase electric power. The working principle of an electric generator is in accordance with the law of faraday if a conductor is rotated in a magnetic field until it crosses the magnetic force line (GGM), it will cause an electric force line (GGL) in volts at the end of the conductor. In the alternator to be used, the lighting coil resistance is 0.24 - 0.36 Ω and the charging is 12.3 - 13.3 V at 1500 rpm. The research conducted was an experiment by comparing the alternator output voltage before it was modified with the alternator output that had been modified. Modification of the alternator is done by the method of load variation and replacement of the diameter of the coil along with the number of turns on the alternator. Measurement of alternator before and after modification shows results that are directly proportional to the output of the alternator at 1,000 rpm - 8,000 rpm. The results of three tests can be concluded that the modification of the alternator has increased from 6.42 A for the standard alternator to 13.7 A for the modification alternator.
Optimasi Desain Paddock Stand Sebagai Sistem Statis Dengan Menggunakan Finite Element Method Susastro Susastro; Alaya Fadlu Hadi Muhammad; Aini Lostari; Yoga Ahdiat Fakhrudi
JRST (Jurnal Riset Sains dan Teknologi) Volume 5 No. 1 Maret 2021: JRST
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1088.397 KB) | DOI: 10.30595/jrst.v5i1.6023

Abstract

Finite Element Method (FEM) merupakan suatu metode numerik yang dapat digunakan untuk menyelesaikan permasalah struktur yang complex dengan bantuan komputer. Banyak sekali kasus complex yang telah terselesaikan dengan metode ini. Metode finite element bahkan dapat digunakan untuk melakukan optimasi desain struktur, baik untuk permasalahan rekalkulasi dimensi maupun untuk pemilihan bentuk dari struktur.  Dalam penelitian ini dilakukan optimasi dimensi dari krangka paddock stand serta diberikan juga beberapa variasi bentuk pada desain bentuk paddock stand. Adapun variasi bentuk yang diberikan adalah dengan mencoba untuk memberikan penyangga (RIB). Berdasarkan penelitian yang dilakukan menunjukan bahwa diameter optimal dari pipa paddock stand adalah sebesar 13 mm. adapun lendutan terbesar yang diperoleh pada kondisi optimal adalah sebesar4 mm, dengan nilai tegangan maksimal yang diperoleh sebesar 136,9 MPa
Pemberdayaan Karang Taruna Kampung Wisata Seribu Bunga Nglurah Kecamatan Tawangmangu dengan Pembuatan Pupuk Kompos Berbahan Daun Kaliandra Agus Choirul Arifin Arifin; Yoga Ahdiat Fakhrudi; Farid Majedi; Achmad Aminudin; Noorsakti Wahyudi; Nana Ainiya Khalidah
JURNAL ABDIMAS DOSMA (JAD) Vol. 2 No. 1 (2023): JANUARI
Publisher : IKATAN ALUMNI DOSEN MAGANG KEMENRISTEKDIKTI TAHUN ANGKATAN 2017

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (584.932 KB)

Abstract

Nglurah Hamlet is known as the “Kampung Sewu Kembang”. This hamlet is famous as a hamlet producing ornamental plants / flowers that supply various kinds of plants to the Karanganyar area to outside Java. Around Dusun Nglurah there are abundant calliandra plants which are usually used by local residents for raw materials for making fertilizers as fertilizer for ornamental plants. However, the use of calliandra fertilizer is limited to household use, it has not been mass produced and the manufacturing process is still simple. By providing training solutions to the community members of the Nglurah hamlet in the form of life skills, in the form of training in making compost made from calliandra which can be used as a provision for the skills of residents, especially youth groups in the world of work and entrepreneurship, and are ready to compete in the competition in the world of work. Implementation of Community Partnership Program (PKM) activities in Mitra 1, the target solution provided using a training method with a model for delivering material on the theory of the composting process, the practice of making compost and packaging to facilitate sales