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All Journal Jurnal INKOM Info-Teknik Conference on Innovation and Application of Science and Technology (CIASTECH) JOURNAL OF SCIENCE AND APPLIED ENGINEERING Journal of Welding Technology Jurnal Pengabdian Polinema Kepada Masyarakat Jurnal Rekayasa Energi dan Mekanika
Agus Setiawan
Jurusan Teknik Mesin Politeknik Negeri Malang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Penerapan Kontroler Neural Fuzzy Untuk Pengendalian Kecepatan Motor Induksi 3 Fasa Pada Mesin Sentrifugal Ratna Ika Putri; Mila Fauziyah; Agus Setiawan
INKOM Journal Vol 3, No 1-2 (2009)
Publisher : Pusat Penelitian Informatika - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/j.inkom.41

Abstract

Motor induksi 3 fasa adalah alat penggerak yang paling banyak digunakan dalam dunia industri. Salah satu aplikasi motor induksi pada industri gula adalah pada mesin sentrifugal yang digunakan pada proses sentrifugasi. Mesin sentrifugal menggunakan motor induksi sebagai penggerak untuk memutar chamber mesin sentrifugal yang berisi massacuite yang akan diolah. Tujuan penelitian ini adalah merancang kontroler neural fuzzy yang digunakan untuk mengendalikan kecepatan motor induksi sehingga dapat mempertahankan kecepatan sesuai setpoint walaupun terjadi perubahan beban. Motor induksi dimodelkan dengan menggunakan transformasi dq dan algoritma kontroler disimulasikan dengan MATLAB. Kontroler neural fuzzy menggunakan 2 layer dengan jumlah neuron yang diubah yaitu 20 dan 50 neuron. Dari hasil simulasi didapatkan, kontroler neural fuzzy 50 neuron memiliki settling time lebih cepat tetapi error steady state lebih besar dan tidak menghasilkan overshoot pada respon kecepatan. Sedangkan pada kondisi terbebani, kontroler dapat mempertahankan kecepatan sesuai dengan setpoint. Waktu pemulihan kontroler 50 neuron lebih cepat dibandingkan kontroler neural fuzzy dengan 20 neuron.
EFFECT OF HEAT TREATMENT TEMPERATURE ON THE FORMATION OF DUAL PHASE STEEL AISI 1005 HARDNESS AND FLEXURE STRENGTH CHARACTERISTICS OF MATERIALS Kris Witono; Lisa Agustriyana; Agus Setiawan
INFO-TEKNIK Vol 16, No 1 (2015): INFOTEKNIK VOL. 16 NO. 1 2015
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v16i1.208

Abstract

Any material intended for automotive use, especially in the body panels must have the criteria able to form (formable), weldability (weldable), coatable (resistant to corrosion) and able to be repaired (repairable). One group of materials that meet all the above requirements are dual phase steel. To form a dual phase steel can be done through a process of heat treatment.The purpose of this study was to determine the effect of heat treatment temperature on the formation of a dual phase of the material hardness properties and flexural strength steel.The method used is a variation of the process of heat treatment at temperature 7300C, 7500C, 7700C, 8000C, 8500C, 9000C.The results of the study include the establishment of dual phase steel can improve the hardness of AISI 1005 steel with a carbon content of 0.033% C, the highest value of flexural strength is obtained at a temperature of 770 ° C treatment that is 1.98 kg / mm2 with 223.08 HV hardness values. The hardness and flexural lowest strength obtained at the treatment temperature of 900 ° C is 197.14 HV and 1.15 kg / mm2 and dual phase steel with optimum mechanical properties obtained at a temperature of 770 ° C. Key word : heat treatment, dual phase, hardness, flexure strength
Penggunaan Oktan Booster untuk Memperbaiki Kinerja Mesin Bensin 4 Langkah Yuniarto Agus Winoko; Agus Setiawan; Purwoko Purwoko
Jurnal Rekayasa Energi dan Mekanika Vol 2, No 1 (2022): JREM
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/JREM.v2i1.1

Abstract

ABSTRAK Penurunan kinerja mesin diakibatkan adanya kerusakan komponen,  kondisi ini akibat beberapa faktor seperti cara mengemudi, beban kerja, medan jalan dan modifikasi. Kerusakan mesin saat pembakaran berlangsung terjadi akibat perbandingan udara dan bahan bakar yang tidak sesuai atau penambahan additif bahan bakar yang tidak sesuai. Oktan booster adalah additive berbentuk granular untuk memperbaiki proses pembakaran di mesin bensin. Tujuan untuk mengetahui pengaruh penambahan octane booster pada bahan bakar pertalite terhadap daya dan specific fuel consumption, selain mengetahui daya terbesar campuran bahan bakar dengan oktan booster yang massanya 0,2gram, 0,4gram dan 0,6gram serta 0,8gram. Metode uji kinerja mesin bukaan katup penuh sesuai standar ISO 1585 dengan putaran mesin 1000, 2000, 3000 dan 4000rpm.  Pencampuran oktan booster 0,2gram, 0,4gram dan 0,6gram serta 0,8gram  dan 3 liter pertalite dengan cara ditumpuk dan diaduk. Selanjutnya data dihitung dan dianalisis secara matematika. Hasil ada pengaruh penambahan octane booster. Daya terbesar 38,23 hP saat campuran pertalite tercampur 0,8gram octane booster dan terjadi penurunan konsumsi bahan bakar 15% dibanding standar. Konsumsi bahan bakar terendah pada campuran 0,8gram oktan booster dengan 3 liter pertalite. Kata kunci : bahan bakar, oktan booster, putaran mesin, daya. ABSTRACT Engine performance decreasing is caused by component damage, this condition due to several factors such as driving method, workload, road terrain and modifications. Failure of the engine during combustion occurs since there is an inappropriate air to fuel ratio or the addition of inappropriate fuel additives. Octane booster is an additive in granular form to improve the combustion process in gasoline engines. The purpose of this study is to determine the effect of adding an octane booster to pertalite fuel on power and specific fuel consumption, furthermore is to knowing the biggest power when the fuel mix with an octane booster with masses of 0.2gram, 0.4gram and 0.6gram and 0.8gram. Test method for engine performance with full valve opening according to ISO 1585 standard with engine speed of 1000, 2000, 3000 and 4000rpm. Mixing octane booster 0.2 grams, 0.4 grams and 0.6 grams as well as 0.8 grams and 3 liters of pertalite by stacking and stirring. hereafter the data is calculated and analyzed mathematically. The test results show that there is an effect of adding an octane booster. The biggest power was 38.23 hP when the pertalite is mixed with 0.8gram octane booster and there was a 15% decrease in fuel consumption compared to the standard. Lowest fuel consumption is in a mixture of 0.8gram octane booster with 3 liters of pertalite. Keywords: booster octan, fuel, engine speed, power
PENINGKATAN KAPASITAS PRODUKSI DENGAN TEKNOLOGI MIXING DOUBLE ATTACK DAN PEMASARAN BERBASIS WEBSITE PADA INDUSTRI KERUPUK SINGKONG (SARI KENTANG) DI DESA DADAPREJO-JUNREJO- BATU Sugeng Hadi Susilo; Gumono Gumono; Agus Setiawan; Hangga Wicaksono; Zahratul Jannah
Conference on Innovation and Application of Science and Technology (CIASTECH) CIASTECH 2021 "Kesiapan Indonesia Dalam Menghadapi Krisis Energi Global"
Publisher : Universitas Widyagama Malang

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Abstract

Kondisi perekonomian saat pandemi ini sungguh merosot tajam, hal ini di tandai dengan rendahanya daya beli masyarakat. Hal ini tentunya disebabkan lapangan kerja yang semakin berkurang, sedangkan tenaga produktif bertambah sehingga penganguran semakin bertambah. Untuk menumbuhkan dan meningkatkan ekonomi rakyat, perlu dilakukan penguatan pada industri kecil dan menengah. Salah satunya adalah industry keripik tepung singkong UMKM TIGA DIVA. Tujuan dari pengabdian ini adalah meningkatkan produktivitas kerupuk singkong. Metode implementasi dan pendekatan untuk memecahkan masalah produksi mitra UMKM. Langkah pertama adalah penyesuaian. Dari koordinasi dan diskusi yang berlangsung, lahir enam program strategis untuk mengatasi permasalahan di bidang produksi yaitu: a. Penentuan spesifikasi mesin pengaduk adonan, b. Pengadaan mesin pengaduk adonan. c. Uji coba mesin pengaduk adonan. D. Pelatihan dan pendampingan mesin pengaduk. Sedangkan untuk permasalahan bidang pemasaran, diperoleh program strategis penyelesaian permasalahan bidang pemasaran yaitu perancangan pemasaran berbasis online melalui website dan marketplace. Berdasarkan rancangan penilaian kegiatan, Hasil pengabdian menggambarkan tahapan kegiatan pengabdian penerapan iptek dan pencapaian indikator keberhasilan: Tim layanan menyinkronkan jadwal dan membuat daftar alat dan bahan yang digunakan oleh masyarakat pembuat keripik singkong. Berdasarkan hasil penyesuaian tersebut, tim pengabdian bersiap untuk mendukung pembuatan mesin pengaduk, web and pemasaran, dan pengelolaan UMKM. Lama waktu pengadukan tanpa mesin pengaduk untuk kapasitas 50 kg dibutuhkan 6 orang dengan waktu sekitar 30 menit, sedangkan setelah menggunakan mesin pengaduk hanya butuh 3 orang dengan waktu sekitar 5 menit. Sehingga dapat meningkatan produktifitas umkm meningkat secara signifikan sekitar 2,85 kali dari sebelum adanya mesin pengaduk.
Pelatihan Pembuatan Lampu Penerangan Jalan Umum (PJU) Bertenaga Surya di RW 04 Kelurahan Wonokoyo Kecamatan Kedungkandang Kota Malang Kris Witono; Satworo Adiwidodo; Agus Hardjito; Agus Setiawan; Sarjiyana
Jurnal Pengabdian Polinema Kepada Masyarakat Vol. 8 No. 1 (2021): Jurnal Pengabdian Polinema Kepada Masyarakat
Publisher : UPT Penelitian dan Pengabdian Kepada Masyarakat Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jppkm.v8i1.67

Abstract

Salah satunya hal terpenting untuk meningkatkan keamanan, khususnya bagi warga di kawasan RW 04 Kelurahan Wonokoyo Kecamatan Kedungkandang Kota Malang adalah penerangan. Instalasi lampu penerangan jalan umum masih minim, sehingga jauh dari memenuhi standar keselamatan. Dengan kondisi seperti diuraikan diatas, maka guna menjamin ketersediaaan lampu penerangan jalan yang aman dan bisa diandalkan, dilakukan pelatihan pembuatan lampu penerangan jalan umum (PJU) bertenaga surya di RW 04 Kelurahan Wonokoyo Kecamatan Kedungkandang Kota Malang. Metode pelaksanaan kegiatan meliputi: survey lokasi, identifikasi dan solusi masalah, perencanaan kegiatan, perhitungan kebutuhan bahan dan peralatan, pelatihan pembuatan tiang lampu PJU bertenaga surya dan pemasangannya. Hasil kegiatan antara lain peningkatan pengetahuan dan ketrampilan warga di bidang fabrikasi dan instalasi lampu PJU bertenaga surya, terpasangnya 2 buah Lampu PJU Bertenaga Surya, menggunakan lampu LED 60 W bertegangan DC 12V, Panel Surya 50 WP, Solar Charger ontroller kapasitas maks 10 A, dan Baterai VRLA 65 Ah, yang berdampak pada peningkatan keamanan lingkungan dan aktivitas warga pada malam hari di lingkungan RW 04 Kelurahan Wonokoyo Kecamatan Kedungkandang Kota Malang.
Pengaruh temperatur pelat landasan selama hot gas welding terhadap karakteristik kekuatan lasan lembaran HDPE Agus Setiawan; Kris Witono; Riswan E.W. Susanto
Journal of Welding Technology Vol 2, No 2 (2020): Desember
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jowt.v2i2.2069

Abstract

Plastic material failures such as fractures or can be repaired by joining. In the industrial world, the joining of two or more plastic parts can be done with plastic welding technology, one of the methods of plastic welding is hot-gas welding (HGW). HGW is a welding process for plastic materials, but it is known that plastic materials have poor heat conductivity. The aim of this research is to improve the quality of plastic material joints, in this case HDPE sheets, and effect of the base plate temperature and hot-gas temperature on the strength and impact, as well as the interaction effect of the base plate temperature and hot-gas temperature on tensile and hit strength. The method used in data collection is data processing method using factorial DOE. The temperature variation of the base plate during the welding process (30° C, 70° C, 110° C and 150° C), as well as the temperature of the hot air flow from the hot-gun (250° C, 300° C, and 350° C). To obtain the data, it was carried out by tensile and hit tests using standard specimens, respectively ASTM D 638-03 and ASTM D 6110. From the research results, it was found that the ground temperature and hot air flow temperature of the hot gun during the hot gas welding process had an effect on the tensile strength and hit HDPE weld joints. Optimization of tensile strength and hitting strength, respectively 18.78 MPa and 0.018567 J/mm2 (85.65% and 89.74% of the strength of HDPE without joints), these values are obtained from the combination of an anvil plate temperature of 150° C and flow hot air hot gan 250° C.
PEMANFAATAN ENERGI SURYA SEBAGAI ENERGI ALTERNATIF DAN PENINGKATAN MEDIA PEMBELAJARAN IPA DI SD NEGERI BARENG 3 KOTA MALANG Agus Setiawan; Sugeng Hadi Susilo; Yuniarto Agus Winoko; Elka Faizal; Nike Nur Farida; Sarjiyana Sarjiyana
Conference on Innovation and Application of Science and Technology (CIASTECH) CIASTECH 2022 Transisi Global dalam Mencapai SDGs 2030
Publisher : Universitas Widyagama Malang

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Abstract

Dalam pembelajaran di bidang Ilmu Pengetahuan Alam (IPA) pada kelas 4, 5, dan 6 SD tertulis tentang kompetensi dasar yaitu menunjukkan perilaku ilmiah. Beberapa permasalahan untuk mewujudkan perilaku ilmiah dalam pembelajaran IPA yaitu terbatasnya alat peraga praktikum di sekolah mitra. Disamping itu pengetahuan guru tentang pemanfaatan energi matahari masih kurang serta belum tersedianya trainer/alat peraga pembelajaran sel surya beserta modul praktikumnya yang sesuai dengan siswa Sekolah Dasar. Tujuan dari pengabdian ini adalah menyediakan alat peraga dengan sentuhan teknologi terkini sehingga dapat meningkatkan kapasitas pembelajaran siswa khususnya tentang pemanfaatan energi matahari menggunakan sel surya. Metode pelaksanaan pengabdian meliputi: (a) Survey lapangan di lokasi SD Negeri Bareng 3 Kota Malang, (b) Pembuatan Prototype Trainer Pembangkit Listrik Tenaga Surya (PLTS), (c) Pelatihan dan supervise kepada guru pengampu pelajaran IPA kelas 4, 5, dan 6 SD Negeri Bareng 3 Kota Malang. Hasil yang diperoleh dari kegiatan pengabdian adalah (a) Pengadaan Prototipe Trainer Pembangkit Listrik Tenaga Surya (PLTS) 500 Watt AC, (b) Peningkatan pengetahuan guru pengampu pelajaran IPA kelas 4, 5, dan 6 tentang pemanfaatan energi matahari dengan mengunakan sel surya serta pengoperasian PLTS, (c) Pengoperasian Pembangkit Listrik Tenaga Surya (PLTS) 500 Watt AC sebagai pemasok daya penerangan halaman Sekolah SD Negeri Bareng 3 Kota Malang di malam hari.
Analysis of Hydro Test Pressure Variations on A106 Grade B Carbon Steel Pipe Welded Joints with Welding Repair Method Riswan E.W. Susanto; Kris Witono; Agus Setiawan; Risno Bayu
Journal of Welding Technology Vol 4, No 2 (2022): December
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jowt.v4i2.3556

Abstract

Transportation of oil and gas through oil refinery pipelines is faced with problems, including corrosion problems. Corrosion is a natural phenomenon that occurs in metal materials, where corrosion is a process of material damage due to chemical or electrochemical reactions with its environment. The purpose of this study is the results of the analysis of HydroTest pressure variations on the Welding Joints of Carbon Steel Pipes (carbon steel) A106 Gr.B. In the study did not discuss the occurrence of corrosion and other tests, while the welding process in detail was shown in WPS. This experimental research method uses the Welding Repair Method on welded joints according to the ASME IX, ASME B31.3 standard. The research material is A106 GR carbon steel pipe. B is in the form of a U Tube Seal Deck that has undergone corrosion and damage, where later the fabrication process (pipe repair) especially welding (using SMAW and GTAW) has been determined in PQR and WPS (WPS / CS / EM / ASME / WPxxx). The focus of this research is on stage 9 (hydro testing stage) of the Welding Repair method. Free variables in pressures of 240 Psi, 435 Psi, 690 Psi, and 910 Psi, which have been planned based on the thickness and length of the Pipe joint. Variable fixed temperature test Hydrotest 28OC, holding time holding time (pressurizing) 10 minutes and holding time peak 60 minutes before (depressurizing). The results were obtained that the pressure change was divided into two stages, pressurizing with the highest pressure of 915 Psi is the 4th pressure variation this was obtained from the test observation that there were no leaks in the welded joints and pipe materials in accordance with the acceptance criteria. While the second stage is (depressurizing) with a decrease in pressure or called realese, where successively realese 100%, 75%, 50%, 25%, and 0% at pressures of 915 Psi, 690 Psi, 435 Psi, 240 Psi, 0 Psi with the results of no leakage and observation test results in accordance with the acceptance criteria. So it can be concluded that the welded joints of carbon steel pipes tested using hydrotest, no deformation occurs, there is no change in shape and there are no leaks in the welded joint layer of A106 Gr.B carbon steel pipe
Analysis of the Percentage of Corn Cob Bioethanol Volume with 92 Octane Fuel in Gasoline Engines Yuniarto Agus Winoko; Supa Kusuma Aji; Agus Setiawan; Intan Fadillah
JOURNAL OF SCIENCE AND APPLIED ENGINEERING Vol 7, No 1 (2024): JSAE
Publisher : Widyagama University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31328/jsae.v7i1.5466

Abstract

One way to improve the performance of gasoline engines is by using bioethanol, which can enhance combustion efficiency. Bioethanol, a renewable fuel derived from the fermentation of plant materials, can be blended with traditional fossil fuels to create a more efficient and environmentally friendly fuel alternative. The combination of fossil fuel and fermentation-derived fuel has a significant impact on the overall performance and emissions of the engine. The aim of this study is to determine the magnitude of changes in torque and power when a gasoline engine is fueled with a mixture of corn cob bioethanol and pertamax. Additionally, specific fuel consumption will be determined to evaluate the fuel efficiency. The engine used in this study is a 150cc gasoline motor, a common size for motorcycles and small vehicles. The testing variables include engine speed variations from 2000 to 9500 rpm using bioethanol blends of 5%, 10%, and 15% with 92 octane fuel. The data collected from these tests is calculated mathematically. The results of the study show the largest increase in power at 0.45 horsepower at 2500 rpm and torque at 2.82 Nm at 2500 rpm when using the BE15% fuel blend, indicating a notable enhancement in engine performance with higher bioethanol content. Furthermore, the smallest decrease in fuel consumption was recorded at 0.1739 kg per horsepower, highlighting the efficiency benefits of bioethanol blends. Overall, the engine performance improves when using a blend of 92 octane fuel with bioethanol compared to pure 92 octane fuel. This suggests that incorporating bioethanol into gasoline can not only improve power and torque but also enhance fuel efficiency, making it a viable option for reducing dependency on fossil fuels and lowering emissions.
Co-Authors Agus Hardjito Aji, Supa Kusuma Elka Faizal Gumono Hangga Wicaksono Intan Fadillah Kris Witono Lisa Agustriyana Mila Fauziyah Nike Nur Farida Purwoko Ratna Ika Putri Risno Bayu Riswan E.W. Susanto Riswan E.W. Susanto Sarjiyana Satworo Adiwidodo Sugeng Hadi Susilo Sugeng Hadi Susilo Yuniarto Agus Winoko Zahratul Jannah