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Journal : Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi

Perancangan Pembangkit Listrik Tenaga Angin dengan Turbin Angin Savonius Tipe-U untuk Kapasitas 100 W Eka Maulana; Eddy Djatmiko; Dhidik Mahandika; Roni Cahya Putra
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi Volume 3 Nomor 2 Tahun 2021
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v3i2.2164

Abstract

The current need for energy is many tools that use electrical energy as a source of energy from these tools, followed by the need for electrical energy in Indonesia, increasing every year. Currently, Indonesia is targeting to increase the role of new and renewable energy to maintain energy security and independence with a target of at least 23% in 2025 and 31% in 2050. The utilisation of wind energy converted into electrical energy by converting energy mechanical energy from the wind into kinetic energy in turbine blades to turn a generator that can produce electricity. This paper discusses the design of a wind power plant with a u-type Savonius turbine for a capacity of 100 W using the Pahl & Beitz method. The Savonius wind turbine designed has 3668 mm × 920 mm with galvanised steel plate material and shaft dimensions of 4310 mm × 20 mm using carbon steel material S-45 C. The average wind speed is around 4 m/s with a humidity of 30°C; if the turbine is arranged on the rotor with a suitable mechanism, it can produce a turbine rotational speed of 199.9889 rpm, a Savonius type U wind power plant designed for a capacity of 100 Watt.
Evaluasi Ergonomi pada Kursi Roda untuk Anak Cerebral Palsy Menggunakan Digital Human Modeling Dwi Rahmalina; Desinta Rahayu Ningtyas; Nur Yulianti Hidayah; Agri Suwandi; Dede Lia Zariatin; I Gede Eka Lesmana Lesmana; Dhidik Mahandika; Susanto Sudiro
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa dan Inovasi Volume 5 Nomor 1 Tahun 2023
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v5i1.4369

Abstract

Cerebral palsy is caused by brain damage that manifests as motor dysfunction. The most prevalent form of cerebral palsy is spastic diplegia, which causes walking difficulties. People with cerebral palsy, particularly children, require mobility aids, such as wheelchairs, to perform daily tasks. When designing wheelchairs for children with cerebral palsy, ergonomic evaluation is required to ensure that the resulting wheelchair is safe and will not pose a risk in the future. This paper investigates the use of digital human modeling to evaluate the ergonomics of wheelchairs for children with cerebral palsy. The method is used to collect samples from 5 to 18-year-old children with cerebral palsy. Digital human modeling is used to simulate and evaluate ergonomics using anthropometric data. The results obtained for the wheelchair dimensions are suitable for the 95th percentile value, while the seat length exceeds the popliteal length for the 50th percentile value. The ergonomic evaluation yielded satisfactory results for the lower back analysis parameter, and the comfort evaluation yielded satisfactory results for the 95th percentile value. In contrast, the 5th percentile value indicates knee discomfort in both the right and left knee.