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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Karya Pengabdian Teknik Mesin Energy, Materials and Product Design
I Made Suartika
University of Mataram
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics

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Aplikasi Alat Tanam Padi di Dusun Ketapang Kecamatan Lingsar Sujita Sujita; Nasmi Herlina Sari; Achmad Zainuri; Sinarep Sinarep; I Made Suartika
JURNAL KARYA PENGABDIAN Vol 4, No 1 (2022): April, Jurnal Karya Pengabdian
Publisher : Universitas Mataram

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Abstract

Kemajuan pembangunan pertanian di Propinsi Nusa Tenggara Barat terlihat sangat pesat. Daerah dengan sebutan Bumi Gogo Rancah (GORA) kini menjadi lumbung pangan nasional. Propinsi ini merupakan penyumbang produksi pangan baik padi, jagung, kedelai, bawang merang, cabai, sapi, serta menyusul tebu. Untuk wilayah  Kabupaten Lombk Barat,  yang merupakan sumber penghasil padi terbesar adalah Dusun Ketapang, Desa Gegerung, Kecamatan Lingsar, tepatnya pada kelompok tani (Poktan) Pade Angkat. Kendala utama budidaya padi adalah penanaman secara manual, yang menyebabkan waktu penanaman benih padi lama menyebabkan biaya  budidaya padi meningkat signifikan. Penggunaan alat tanam padi sebagai pemecahan masalah, mampu meningkatkan efisiensi waktu sekitar 84,30% sehingga dapat  menghemat tenaga kerja sebesar 92,5%, sekaligus mengurangi biaya tanam sekitar 33,3%
ANALISIS PENERAPAN KONSEP ERGONOMI UNTUK MENDESAIN MESIN POTONG KULIT KERANG MUTIARA I Wayan Joniarta; Made Wijana; I G.A.K. Chatur Adi W.A.; I Gede Bawa Susana; I Made Suartika
Energy, Materials and Product Design Vol. 1 No. 2 (2022): Energy, Materials and Product Design
Publisher : Jurusan Teknik Mesin dan Industri, Fakultas Teknik, Universitas Mataram

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The application of the concept of ergonomics is carried out on seashell craft work facilities because the work facilities used are not in accordance with the principles and norms of ergonomics feasibility. The research objective is the redesign of cutting machines and work chairs based on various kinds of information related to human factors which include designing tools and work facilities that are more effective, safe, comfortable, healthy, and efficient (ENASE). Some of the ergonomic parameters that are used as references include aspects of anthropometry, human physical performance, effectiveness-efficiency, work productivity, and the subjectivity of complaints of body pain as a result of inappropriate positions and workloads. In this study, 1 unit of circular model of shell cutting machine was designed and 1 unit of chair / seat. With anthropometric measurements of employees and through ergonomic calculations using the 5th percentile, the dimensions of the work table (cutting table) were obtained, the size of the table height was 87, 9 cm long table 110 cm and table width 64.3 cm. Then the dimensions of the chair are also obtained as follows: seat base height 32.7 cm Chair base length 70.6 cm Chair base width 32.1 cm chair back height 56.8 cm cm, seat back width 44.5 cm After applying the principles of ergonomics, based on the results of the Nordic Body Map questionnaire, it was found that the application of ergonomic principles to work tools for clam shell workers resulted in a 128% decrease in musculoskeletal complaints. In addition to this, it also resulted in a decrease in fatigue levels of 103%. . This shows that the application of ergonomic principles has a positive impact on employees
Optimization Design Blade Wind Turbine in Enhancing Power Based on Passive Control System I Kade Wiratama; I Gusti Ngurah Ketut Yudhyadi; I Made Suartika; I Made Nuarsa
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.4052

Abstract

Control power on rotor wind turbine can be carried out by changing blade angle of attack through via pitch control and stall regulated method to produce much power and control power as well as protect wind turbine from high wind to operate in rated power. By using search-based design method to optimize design blade and Blade Element Momentum Theory (BEMT) to analyze aerodynamic performance for stall and pitch control power. Recent work demonstrates that some very significant effect can be achieved by using constant speed pitch control. Comparing of among ordinary blade and design blade of constant speed stall regulated and optimized show that enhancing power is nearly similar while design blade using pitch control give significant effect in enhancing aerodynamic performance of design blade. For average power, design blade constant speed pitch control has average power about 47970,77 Watt and constant speed stall regulated is 43855,41 Watt
Co-Authors Achmad Zainuri I G.A.K. Chatur Adi W.A. I Gede Bawa Susana I Gusti Ngurah Ketut Yudhyadi I Kade Wiratama I Made Nuarsa I Wayan Joniarta Made Wijana Nasmi Herlina Sari Sinarep Sinarep Sujita Sujita