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All Journal Buletin Udayana Mengabdi Jurnal Energi Dan Manufaktur TEKNIK Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) International Journal of Engineering and Emerging Technology
I .G. P. Agus Suryawan
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Udayana
Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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 1 
PENDAMPINGAN PENGELOLAAN SISTEM AIR BERSIH DI BANJAR PENGANGGAHAN DESA TENGKUDAK KECAMATAN PENEBEL KABUPATEN TABANAN I M. Astika; I G. K. Sukadana; M. Suarda; I P. Lokantara; I .G. P. Agus Suryawan
Buletin Udayana Mengabdi Vol 12 No 1 (2013): Volume 12 No.1 – April 2013
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

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Abstract

Penganggahan village consists of 174 households, with 870 populations. Based on the survey and discussionswith the society members, it can be identified that the problems of dimension of broncaptering is so small thatit catches water from the source is not adequate, however the over flow occurs in reservoir especially duringlow usage at night time. In order to overcome such problems in the village, efforts are conducted by enlargingthe capacity of broncaptering. By increasing the capacity of the broncaptering it will increase the supply of cleanwater for the community. It was done by devising a new reservoir to accommodate the excess water, especiallyat night, with the broncaptering and new reservoirs, Penganggahan village community can be fulfilled especiallyat peak usage in the morning and evening. The evaluation shows that the distribution of water to consumers havebeen very prevalent in the area of the highest and lowest areas.
Efek perlakuan pack carburizing dan media korosif pada baja AISI 1045 terhadap laju korosi I Ketut Suarsana; I Made Astika; I Gede Putu Agus Suryawan
Jurnal Energi Dan Manufaktur Vol 14 No 2 (2021)
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEM.2021.v14.i02.p01

Abstract

Corrosion is a destructive symptom that affects the properties of a metal, which means that the physical properties and quality of the metal decrease due to the electrochemical reaction between the metal and its environment so that the strength of the metal decreases. Corrosion control can be used to avoid the negative impact of corrosion, through the pack carburizing treatment method. The material used in this research is AISI 1045 steel. To determine the effect of pack carburizing on the corrosion rate of steel, the research was carried out by varying the suhue of the carburizing pack and corrosive media. In this study, the pack carburizing process with suhue variations used was 750°C, 850°C, 950°C and the corroding media used were air, fresh water and sea water. This was observed in accordance with the application of AISI 1045 material. The corrosive process through corrosive media was carried out for 720 hours. The results showed that pack carburized steel at a temperature of 950°C had a lower corrosion rate than pack carburized steel at 750°C. Also, air corrosive media provides a lower corrosion rate compared to seawater corrosion rate.
Kekuatan Tarik dan Lentur pada Material Komposit Berpenguat Serat Jelatang I Gede Putu Agus Suryawan; NPG Suardana; I Ketut Suarsana; I Putu Lokantara; I Ketut Jaya Lagawa
Jurnal Energi Dan Manufaktur Vol 12 No 1 (2019)
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (525.669 KB) | DOI: 10.24843/JEM.2019.v12.i01.p02

Abstract

Material komposit telah dikembangkan sebagai material alternatif pengganti logam dan kayu. Komposit dari matrik epoksi dengan penguat serat alam sedang dikembangkan, karena serat sintetis sulit terurai secara alami. Komposit dengan penguat serat alam lebih ramah lingkungan. Tanaman jelatang (stinging nettle) merupakan tanaman yang memiliki serat pada kulit batang. Tanaman jelatang tumbuh di seluruh wilayah Indonesia yang beriklim sedang. Di Bali banyak tumbuh di daerah Pupuan-Tabanan. Sifat yang khusus dari serat jelatang adalah kuat dan ringan. Penelitian ini bertujuan untuk mengetahui kekuatan tarik dan lentur komposit epoksi dengan penguat serat jelatang dengan fraksi volume 10%, 15%, dan 20% serat, perlakukan serat dengan NaOH 6% direndam selama 2 jam, panjang serat 5 mm dengan orientasi acak. Komposit dicetak dengan metode hand lay up. Hasil yang didapat dari penelitian ini adalah kekuatan tarik komposit mengalami kenaikan dengan bertambahnya fraksi serat. Nilai kekuatan lentur tertinggi didapatkan pada fraksi volume serat 20% sebesar 46,693 MPa. Composite material has been developed as an alternative material, it is substitute for metal and wood. Composites from epoxy with natural fiber reinforcement are being developed, because synthetic fibers are difficult to decompose naturally. Composite with natural fiber reinforcement is more environmentally friendly. Stinging nettles are plants that have fiber on the bark. Nettle plants grow in sub-district of Indonesia with temperate climates. In Bali many grow in the Pupuan-Tabanan area. The special properties of nettle fibers is strong and light. This study aims to determine the tensile and flexural strength of epoxy composites reinforcement nettle fibers with a volume fraction of fibers 10%, 15%, and 20%, treatment fibers with 6% NaOH, soaked for 2 hours, 5 mm fiber length with random orientation. Composites are product using the hand lay up method. The results obtained from this study are that the composite tensile strength increases with rise fiber fraction. The highest flexural strength value was obtained at 20% fiber fraction of 46.693 MPa.
Analisis ketidakpastian pengukuran pada mistar ingsut rentang 0-30 cm I Gede Putu Agus Suryawan; I Gusti Komang Dwijana
Jurnal Energi Dan Manufaktur Vol 1, No 1 Juni 2006
Publisher : Department of Mechanical Engineering, University of Udayana

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Abstract

In science of measurement, an error is defined as difference result of measurement and the real value of the measurand.Actually, this real value is never precisely identified; consequently, the error is unknowns as well. In this case, the error canonly be estimated without knowing its real quantity. If a value will be considered as an estimated error, this value should be taken as an uncertainty. Uncertainty of Vernier Calliper determined with Type A and Type B evaluation, then the combinedstandard uncertainty is determined. Vernier Calliper that calibrated with Gauge Block class 1, the maximum uncertainty is ± 3.27 µm in dimension of 12.7 mm, with 95% confidence level.
Sistem kontrol gerak kinematika robot gripper manipulator Wayan Widhiada; Putu Agus Suryawan; Beny Maximin Messakh
Jurnal Energi Dan Manufaktur Vol 10 No 1 (2017): April 2017
Publisher : Department of Mechanical Engineering, University of Udayana

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Abstract

Abstrak Sistem robot manipulator ini merupakan mekanisme lengan yang terdiri dari serangkaian segmen yang digunakan untuk menangkap dan memindahkan benda dengan beberapa derajat kebebasan. Dalam perkembangannya, robot manipulator telah digunakan dalam melaksanakan misi tertentu dan membantu operasi di ruang angkasa. Robot biasanya berinteraksi dengan sistem tangan, dan dalam kegiatan industri tangan biasanya disebut sebagai gripper. Penulis menggunakan metode simulasi teknik yang dapat menentukan sistem gerak kinematika robot. Simulasi teknik adalah metode yang digunakan untuk mendesain dan menganalisa gerakan robot dimana hasil dari respon gerakan robot yang didapat mendekati hasil dalam keadaan sebenarnya. Simulasi juga dapat menghemat waktu dan biaya yang digunakan dalam mendesain robot gripper manipulator lima jari dengan elemen prismatik. Dengan menggunakan kontrol PID diharapkan respon gerak kinematik dari setiap joint robot manipulator mencapai perfomance yang terbaik seperti overshoot yang kecil, dan kondisi tenang (steady state) dalam waktu yang singkat disertai dengan keselahan penggerak yang kecil. Melalui proses Advance tuning pada PID kontrol selesai didapatkan parameter penguat pada PID kontrol yaitu Kp = 0.7194, Ki = 8.306 dan Kd = 0.0061sehingga tercapai performance gerakan kinematika robot gripper manipulator yang terbaik sesuai yang dikehendaki oleh user dengan rise time yang singkat 0.52 detik, waktu puncak yang singkat 0.52 detik, maksimum overshoot yang kecil 1,8%, kesetebailan response dicapai pada 0.76 detik dan kesalahan penggerak yang sangat kecil 0.32%. Kata kunci: Robot gripper manipulator, PID control, gerakan kinematika Abstract A robot gripper manipulator system mechanism comprising a series of segments that are used to capture and move objects with multiple degrees of freedom. In the process, the robot manipulator has been used in carrying out the specific mission and assist operations in space. Robot manipulator are usually interact with the system, and in industrial activity is usually referred to as a gripper hand. The author uses the method of simulation techniques to determine the robot kinematics motion systems. Simulation technique is a method used to design and analyze the movement of the robot where the results of robot movement response to the result obtained in actual circumstances. Simulations can also save time and costs used in designing the robot gripper manipulator five fingers with prismatic elements. By using the PID control is expected kinematic motion response of each joint robot manipulator achieve best perfomance as small overshoot, and calm conditions (steady state) within a short time accompanied by a small driving keselahan. Advance through the process of tuning PID parameters obtained complete control amplifier at PID control is Kp = 0.7194, Ki = 8,306 and Kd = 0.0061 so that the best performance kinematic motion for robot gripper manipulator is achieved as desired by the user with a short rise time of 12:52 seconds, time 0:52 seconds short peak, small overshoot maximum 1.8%, kesetebailan response was achieved in 0.76 seconds and a very small driving mistakes 12:32%. Keywords: Robot gripper manipulator, PID control, kinematics motion
Meningkatkan Pendapatan Masyarakat dengan Mesin Pencacah Sampah Plastik I Gede Putu Agus Suryawan; Cok. Istri P. Kusuma Kencanawati; I Made Widiyarta
Jurnal Energi Dan Manufaktur Vol 8 No 1 (2015): April 2015
Publisher : Department of Mechanical Engineering, University of Udayana

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Abstract

Bali merupakan pintu gerbang pariwisata Indonesia, menjadi sorotan dunia bagaimanamengelola sampah. Reduce, Reuse dan Recycle disingkat 3R atau Mengurangi, MemakaiUlang dan Mendaur Ulang adalah prinsip utama mengelola sampah mulai dari sumbernya,melalui tiga langkah ini akan mampu mengurangi jumlah sampah yang dibuang ke TPA(Tempat Pengolahan Akhir). Pengelolaan sampah yang kurang baik dapat memberikanpengaruh negatif bagi kesehatan, lingkungan, maupun bagi kehidupan sosial ekonomi danbudaya masyarakat. Produksi sampah di TPA Linggasana Karangasem perhari adalah 120m3/hari atau sekitar 18,26 ton/hari, sampah plastik mencapai 22,6 %, yang bisa didaur ulangsekitar 17%. Jadi sampah plastik yang bisa didaur ulang adalah 3,1 ton/hari, ini merupakanpotensi bisnis yang sangat potensial.Masyarakat malas dalam memilah sampah organik dananorganik karena tidak memberikan nilai tambah kepada masyarakat, dilakukan pelatihan danpengenalan mesin pencacah sampah plastik sehingga masyarakat berminat dalam memilahsampah-sampah itu. Sampah plastik itu dijual ke pada kelompok Asri Linggasana ataukelompok Lestari Buana Giri.Kata kunci: sampah plastik, mesin pencacahBali is Indonesian tourism gateway and become world attention on how to manage waste.Reduce, Reuse and Recycle abbreviated 3R is a major principle of managing the waste fromthe source. Through these three steps will be able to reduce the amount of waste disposed of tolandfill. Poor waste management can have a negative effect on health, the environment, and forsocial, economic and cultural life of the community. Production of waste in the landfillLinggasana Karangasem per day is 120 m3 / day or approximately 18.26 tons / day, reaching22.6% of plastic waste, which can be recycled approximately 17%. So, the plastic waste thatcan be recycled is 3.1 tons / day, this is a highly potential business potential. The society is notinterest in sorting organic and inorganic waste because it does not add value to the community.Training and introduction of plastic waste thrasher is conducted so that people interested insorting out the rubbish. Plastic waste was sold to the group Linggasana Asri or group BuanaLestari Giri.Keywords: plastic waste, thrasher
Uji Reaktor Gasifikasi Downdraft Biomassa Sampah Kota I Putu Angga Yuda Pratama; I Nyoman Suprapta Winaya; I Gede Putu Agus Suryawan
Jurnal Mettek: Jurnal Ilmiah Nasional dalam Bidang Ilmu Teknik Mesin Vol 5 No 2 (2019)
Publisher : Program Studi Magister Teknik Mesin Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/METTEK.2019.v05.i02.p08

Abstract

Teknologi gasifikasi tipe downdraft adalah salah satu teknologi untuk mengkonversikan bahan bakar padat atau biomassa padat secara thermokimia dengan temperatur 6000-7000 C menjadi bahan bakar gas mampu bakar dengan kebutuhan udara 20 – 40% Stoikiometri dimana suplai udara masuk dari atas menuju dasar reaktor dan proses gasifikasi terjadi di dasar reaktor. Sampah kota atau ( Municipal Solid Westes) adalah bahan buangan yang terdiri dari bahan organik dan anorganik yang mempunyai nilai kalor sehingga dapat digunakan sebagai bahan bakar. Penelitian ini bertujuan untuk mengetahui performansi dari gasifier tipe dwondraft dengan variasi perlakuan awal bahan bakar kering, pellet, dan briket. Perbedaan perlakuan bahan bakar akan menghasilkan nilai kalor dan karakteristik bahan bakar yang berbeda sehingga nantinya akan didapatkan bahan bakar yang paling efektif. Hasil penelitian menunjukan bahwa efisiensi tertinggi didapatkan pada variasi perlakuan awal bahan bakar sampah kota yang di briketkan yaitu sebesar 61,32% dan FCR tertinggi terjadi pada bahan bakar pellet yaitu 4,61 kg/jam. Gasification type Downdraft technology is one technology to convert thermochemical solid or biomass fuels with temperatures of 6000-7000 C into combustible gas fuels with air requirements of 20 - 40% Stoichiometry where the supply of air enters from above to the reactor base and gasification process occurs at the bottom of the reactor. Municipal solid waste is a waste material consisting of organic and inorganic materials that has a heating value, so that it can be used as fuel of gasification. This study aims to determine the performance of the dwondraft gasifier with variations in the pretreatment of dry MSW, pellets and briquettes. Differences in fuel treatment will produce different heating values ??and fuel characteristics so that the most effective fuel will be found later. The results showed that the highest efficiency was found in the variation of initial treatment municipal solid waste briquettes which was 61,32%, and the highest FCR occurs in pellet fuel which is 4.61 kg / hour.
The Hardness Analysis of Epoxy Composite Reinforced with Glass Fiber Compared to Nettle Fibers I Gede Putu Agus Suryawan; NPG Suardana; IN Suprapta Winaya; IWB Suyasa
International Journal of Engineering and Emerging Technology Vol 5 No 1 (2020): January - June
Publisher : Doctorate Program of Engineering Science, Faculty of Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/IJEET.2020.v05.i01.p02

Abstract

The purpose of this study is to compare the hardness of glass fiber reinforced composite materials with the hardness of netted fiber-reinforced composite materials. Glass fiber is a commercial fiber that has been used in various industries while nettle fiber is a natural fiber that is more environmentally friendly. Composite material has several advantages, namely the form that can be adjusted, high strength, lightweight and resistant to corrosion. Nettle plants are plants that have strong fibers in the bark. In this study, nettle composites were made with variations in the weight fractions of 10%, 15%, and 20%. Hardness testing used the Shore D Durometer. The results of the hardness value of glass fiber composites with weight fractions of 10%, 15%, and 20% are 82.4 Shore D, 84.5 Shore D, and 86.5 Shore D, show an increase in stable hardness because the glass fiber factor is already commercial, the fiber strength is evenly distributed. The hardness values of nettle fiber composites with fractions of 10%, 15%, and 20% are 81.6 Shore D, 85 Shore D, and 86.6 Shore D, the hardness value of each nettle composite increases with the addition of fiber weight fraction but is unstable due to the strength factor of each nettle single fiber uneven. Furthermore, with the right treatment, nettle fiber can replace glass fiber.
Properties of Thermal Conductivity Hybrid Epoxy Resin Composite Reinforced Natural Fiber as Alternative Insulator Material Ketut Suarsana; DNK Putra Negara; Igpagus Suryawan
TEKNIK Vol. 43, No. 3 (2022): December 2022
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/teknik.v43i3.42496

Abstract

The properties of composite materials are highly dependent on the constituents used as reinforcement such as natural fibers with a matrix. This research was conducted to determine the effect of chemical solution treatment of NaOH and Silane coupling agent on fiber with concentration on thermal conductivity properties. The research involved processing fiber from nettle plant by decortication to obtain a single fiber. The hybrid composite process uses the hand lay-up molding method. The fibers were treated with a chemical solution of NaOH and Silane at concentrations of: 3 and 6% for 2 hours, had a length of 5 mm, and in random orientation. The ratio of the nettle fiber reinforced resin matrix to the weight ratio of natural fibers was 10, 15, 20 and 25%. The results obtained that the highest thermal conductivity properties with a fiber composition of 25% in the chemical solution treatment of 6% Silane of 0.1995 Watt/moK. On the other hand, the lowest with a composition of 10% natural fiber with 3% NaOH treatment of 0.1099 Watt/moK. The low thermal conductivity of hybrid composites can be applied as an insulator
Co-Authors Beny Maximin Messakh Cok Istri Putri Kusuma Kencanawati Dewa Ngakan Ketut Putra Negara I Gusti Ketut Sukadana I Gusti Komang Dwijana I Ketut Jaya Lagawa I Ketut Suarsana I Made Astika I Made Widiyarta I Nyoman Suprapta Winaya I Putu Angga Yuda Pratama I W BUDIARSA SUYASA I Wayan Widhiada Made Suarda NPG Suardana Putu Lokantara