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All Journal Jurnal Pendidikan Vokasi JPTK: Jurnal Pendidikan Teknologi dan Kejuruan Conference on Innovation and Application of Science and Technology (CIASTECH) ComTech: Computer, Mathematics and Engineering Applications BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Pendidikan Vokasi Otomotif Jurnal Pendidikan Teknik Sipil (JPTS) Automotive Experiences Prosiding Seminar Nasional Hasil Penelitian Sains, Teknik dan Aplikasi Industri Fakultas Teknik Universitas Lampung
Aan Yudianto
Universitas Negeri Yogyakarta
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OPTIMALISASI STRUKTURAL PADA HANDLE KOPLING SEPEDA MOTOR Kholis, Agit Sakti Nur; Achmad, Fandi; Yudianto, Aan; Adiyasa, I Wayan; Solikin, Moch.
Conference on Innovation and Application of Science and Technology (CIASTECH) CIASTECH 2020 "Peranan Strategis Teknologi Dalam Kehidupan di Era New Normal"
Publisher : Universitas Widyagama Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

 Handle kopling merupakan komponen yang terdapat pada sepeda motor manual, yang digunakan sebagai tempat penghubung mesin dengan transmisi. Handle kopling sendiri harus juga didesain dengan seringan mungkin, kuat dan juga memiliki nilai ergonomic bagi penggunanya. Tujuan penelitian ini yakni untuk memodifikasi desain handle kopling dengan menggunakan metode Optimasi topology. Optimasi topology merupakan metode yang digunakan untuk mengoptimalisasi bentuk dari komponen yang akan dibuat yang berupa pertimbangan batasan dari disain, kondisi pembebanan tertentu dll secara matematis. Hasil dari optimasi handle kopling ini mampu mengurangi masa sebanyak 67,12% dengan hasil akhir safety factor sebesar 1,9568.
Mobile Learning Based on Guided Inquiry: Optimization of Students’ Motivation I Made Agus Wirawan; I Made Gede Sunarya; I Gusti Nyoman Tri Jayendra; Aan Yudianto
Jurnal Pendidikan Teknologi dan Kejuruan Vol 24, No 2 (2018): (October)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.029 KB) | DOI: 10.21831/jptk.v24i2.20651

Abstract

The learning media must be able to guide the students in every stage of learning to improve the students' activity in learning. Based on this problem, this study aims to: (1) design and implement the application of Mobile-Based Learning Based Learning for Computer Assembly Learning in Class X TKJ SMK N 2 Seririt. (2) determine the students’ motivation to Mobile Learning Based Guided Inquiry Application for Computer Assembly Lesson in Class X TKJ SMK N 2 Seririt. The method used in this study was the Waterfall model. Subjects in this study were the students of class X TKJ SMK N 2 Seririt. The results of this study are applications that use the Java programming language with the editor of Android Studio. All the features contained in this educational media work well. Students’ motivation using Mobile Based Guided Inquiry for Computer Assembly Lesson in Class X TKJ SMK N 2 Seririt is in a very good category
Influence of Compression Ratio on Flywheel Dimension for a Naturally Aspirated Spark Ignition Engine: A Numerical Study Aan Yudianto; Peixuan Li
Automotive Experiences Vol 3 No 2 (2020)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1155.831 KB) | DOI: 10.31603/ae.v3i2.3530

Abstract

The proper design of the flywheel undeniably determines in tuning the engine to confirm the better output engine performance. The aim of this study is to mathematically investigate the effect of various values of the compression ratio on some essential parameters to determine the appropriate value for the flywheel dimension. A numerical calculation approach was proposed to eventually determine the dimension of the engine flywheel on a five-cylinder four-stroke Spark Ignition (SI) engine. The various compression ratios of 8.5, 9, 9.5, 10, 10.5, and 11 were selected to perform the calculations. The effects of compression ratio on effective pressure, indicated mean effective pressure (IMEP), dynamic irregularity value of the crankshaft, and the diameter of the flywheel was clearly investigated. The study found that 2.5 increment value of the compression ratio significantly increases the effective pressure of about 41.53% on the starting of the expansion stroke. While at the end of the compression stroke, the rise of effective pressure is about 76.67%, and the changes in dynamic irregularity merely increase by about 1.79%. The same trend applies to the flywheel diameter and width, which increases 2.08% for both.
Aerodynamics of Bus Platooning under Crosswind Aan Yudianto; I Wayan Adiyasa; Afri Yudantoko
Automotive Experiences Vol 4 No 3 (2021)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1857.193 KB) | DOI: 10.31603/ae.5298

Abstract

The aerodynamic benefits of a vehicle in a platoon could be distracted by an imposed crosswind on it. The study aims to investigate the alteration of aerodynamic coefficient comprising drag force coefficient, lift force coefficient, side force coefficient, and pressure coefficient of buses traveling in a platoon by considering crosswind. A Computational Fluid Dynamic (CFD) simulation was carried out on a detailed bus model. Proposed meshing techniques were also offered. The investigation considered the yaw angle from 0° to 30° and inter-bus distances by proposed coefficient X/L from 0.05 to 1.25. The results in the changes in the aerodynamic performance of both buses were presented. The advantages of platoon configuration were described in more detail when no crosswind was considered in terms of the generated turbulence kinetic energy of the leading and following bus. The results indicated that a crosswind deteriorates aerodynamic benefits during the platoon. The inter-bus distance determines how the airflow around the bus behaves, leading to the variation in aerodynamic advantages experienced by buses. Comparison between the numerical study and experiment indicated a satisfactory correlation of results validation.
PENGUJIAN BATANG PISTON TERHADAP BEBAN GAS PEMBAKARAN DAN KELEMBAMAN Muhammad Syahrul Akmal; I Kadek Bagus Suryanata; Riski Rido Utomo; Arya Ferdian Ramadhan Putra; Aan Yudianto; I Wayan Adiyasa; Moch Solikin
Conference on Innovation and Application of Science and Technology (CIASTECH) CIASTECH 2020 "Peranan Strategis Teknologi Dalam Kehidupan di Era New Normal"
Publisher : Universitas Widyagama Malang

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Abstract

Penelitian ini berfokus pada pengujian beban gas pembakaran maupun kelembaman pada sebuah batang piston. Tujuan penelitian ini adalah memahami dasar cara kerja dari connecting rod yang berbahan dasar Gray Cast Iron serta memahami perbedaan karakteristik struktur bendanya. Metode yang digunakan dalam penelitian ini adalah metode static structural analisis menggunakan aplikasi ANSYS 2020 R2 untuk mengidentifikasikan lokal pembebanan connecting rod dan mengevaluasi hasil stress dan deformasi total pada komponen yang disebabkan oleh tekanan gas pembakaran dan gaya inersia (kelembaman). Hasil dari penelitian didapatkan bahwa pengujian connecting rod yang disebabkan oleh gas pembakaran dan pembebanan gaya inersia dikategorikan aman. Karena hasil dari kedua pengujian tersebut nilai maksimum dari stress von-misses dibawah dari tegangan ijin (yield strength) dari bahan yang digunakan.
The Development of Learning Media of 2-Stroke Engine Manufactured by 3D Print for Distance Learning Moch Solikin; Aan Yudianto; I Wayan Adiyasa
Jurnal Pendidikan Teknologi dan Kejuruan Vol 28, No 1 (2022): (May)
Publisher : Faculty of Engineering, Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jptk.v28i1.47499

Abstract

The Covid19 pandemic that has hit the world requires educational media innovations that are portable, lightweight, and easy to operate for online learning purposes. This study aims to develop learning media for students of the Light Vehicle Engineering Vocational School on the topic of a 2 stroke engine using a engine model made using 3D printing technology with Polylactic Acid as the base material. This is carried out to develop media to support teachers of related subjects in the implementation of online learning. This study uses the Design and Development (DD Research) method which consists of identifying the problem, describing the objectives, design and development, testing, evaluating and finally communicating the results. Data analysis was carried out quantitatively and qualitatively to explain the obtained results. The checklist evaluation was performed to assess the produced learning media. The results indicated that the utilization of 3D print to create lightweight, portable and representable learning media has been successfully achieved. The constructed learning media is aimed to be utilized to explain the competency of two-strokes engine in a distance learning.
PELATIHAN PEMBELAJARAN DALAM KONSEP KURIKULUM MERDEKA BELAJAR DAN TEKNOLOGI MOBIL LISTRIK DI SMK NEGERI 1 NGAWEN GUNUNGKIDUL Aan Yudianto; Herminarto Sofyan; Gunadi; Agus Widyianto; Supiningsih
BERNAS: Jurnal Pengabdian Kepada Masyarakat Vol. 3 No. 4 (2022)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (527.675 KB) | DOI: 10.31949/jb.v3i4.3301

Abstract

SMK Negeri 1 Ngawen as one of the leading vocational schools located in Gunungkidul, Special Region of Yogyakarta, requires strengthening of the implementation of the independent learning curriculum for SMK as a Center of Excellence and strengthening of electric car technology which is implemented in learning. This Off-Campus Lecturer Program aims to provide training to teachers at SMK Negeri 1 Ngawen in relation to strengthening the concept of independent learning and electric car technology in SMK which is applied in general learning related to strengthening hardskills, softskills, and character and harmony. between SMK and the world of work that is applied in learning in SMK. The target audience in this activity are teachers at SMK Negeri 1 Ngawen, Gunungkidul Regency, Special Region of Yogyakarta. The method of activities carried out in the Lecturer's Activities Outside the Campus is the lecture and discussion method accompanied by problem solving real problems that are expected by the school. This training activity has been carried out well. The results of the Evaluation Questionnaire showed that 65% strongly agree that the program is as needed, 76% strongly agree that the material provides benefits, 71% strongly agrees that the battery increases cooperation, 59% agrees that the program fosters independence, 59% strongly agrees that the delivery of material is clear and easy to understand, 65% of respondents strongly agree that the program encourages forward-looking, and 53% strongly agree that the results of the activities are in line with the expectations of the school.
Optimasi struktur footstep belakang sepeda motor menggunakan finite element method Hanggar Setya Novanto; Kaevian Nafa Bangunmas; Rizki Rido Utomo; Dhany Arie Saputra; Moch Solikin; Aan Yudianto
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 5 (2022): SINTA
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (700.984 KB) | DOI: 10.23960/prosidingsinta.v5i.101

Abstract

Footstep merupakan komponen yang terdapat pada sepeda motor yang digunakan sebagai tempat pijakan kaki. Footstep sendiri juga harus didesain seringan mungkin, kuat dan juga memiliki nilai ergonomis bagi penggunanya. Tujuan dari penelitian ini adalah untuk memodifikasi desain footstep dengan menggunakan metode topology optimization. Topology optimization adalah metode yang digunakan untuk mengoptimalkan bentuk komponen yang akan dibuat berupa pertimbangan batas desain, kondisi pembebanan tertentu secara matematis. Hasil optimasi Footstep mampu mereduksi massa dan volume dengan hasil akhir safety factor sebesar 7,0329 dengan demikian dengan berkurangnya penggunakaan bahan baku maka terjadinya penurunan anggaran produksi Footstep dengan kekuatan yang sama namun lebih ringan.
Perancangan bodi kapal patroli lepas pantai: analisis numerik hidrodinamika bodi deep v-hull, bulbous hull, dan catamaran melalui simulasi software maxsurf Yosef Budiman; Formuji Romansyah; Mukhamad Nur Rochim; Muhammad Syahrul Akmal; Moch Solikin; Aan Yudianto
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 5 (2022): SINTA
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (218.13 KB) | DOI: 10.23960/prosidingsinta.v5i.72

Abstract

Kapal Republik Indonesia (KRI) merupakan kapal perang milik Angkatan Laut RI yang digunakan untuk melindungi kedaulatan NKRI dari aksi liar kapal asing yang memasuki wilayah perairan Indonesia tanpa izin. Dalam kasusnya, seringkali terjadi kegagalan dalam penangkapan kapal asing yang disebabkan oleh kurangnya teknologi serta bodi kapal yang kurang optimum dalam beroperasi. Adanya hal tersebut diperlukan analisis mendalam mengenai pemilihan jenis lambung kapal yang paling baik dalam performa dan manouver. Analisis dilakukan secara numeris menggunakan bantuan software Maxsurf. Secara umum, tahapan analisis dilakukan mulai dari studi literatur, penentuan batas pengujian, desain model lambung kapal, simulasi numerik, pengumpulan data, analisis hasil simulasi, hingga pembuatan laporan. Simulasi numerik dilakukan memperhatikan parameter resistansi, stabilitas, serta seakeeping. Hasil yang didapatkan, model lambung kapal jenis katamaran memiliki optimasi yang lebih baik dibandingkan model lambung kapal lainnya. Dibuktikan dengan nilai resistansi holtrop sebesar 170,5 kN pada kecepatan 20 knot, nilai stabilitas yang paling unggul pada kriteria 3.1.2.1: Area 0 to 30, 3.1.2.1: Area 0 to 40, serta 3.1.2.4: Initial GMt berdasarkan standar IMO, serta seakeeping pada pengujian MSI yang baik dengan adanya garis Remote location1 yang tidak bersinggungan dengan garis Severe discomfort boundary for 8 hours, sehingga dapat menambah kenyamanan penumpang kapal selama berlayar dengan waktu yang sangat panjang.
Uji pengaruh penggunaan bahan terhadap kekuatan mounting footstep menggunakan finite element method Dhany Arie Saputra; Hanggar Setya Novanto; Nofa Rindo; Dias Sumbaga Wicaksana; Moch Solikin; Aan Yudianto
Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Vol. 5 (2022): SINTA
Publisher : Fakultas Teknik Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.838 KB) | DOI: 10.23960/prosidingsinta.v5i.95

Abstract

Finite Element Method atau (FEM) adalah suatu metode numeric yang digunakan untuk menyelesaikan permasalahan diferensial parsial suatu struktur dengan menggunakan komputer. Banyak hal yang bisa dilakukan dengan menggunakan finite element method, salah satunya adalah melakukan pengujian kekuatan bahan pada suatu komponen. Pada penelitian ini dilakukan perbandingan kekuatan bahan pada komponen mounting footstep sepeda motor. Adapun perbandingan yang dilakukan ini bertujuan untuk mengetahui bahan apa yang cocok dan aman untuk digunakan sebagai mounting footstep sepeda motor. Berdasarkan penelitian yang dilakukan menunjukkan bahwa dari bahan yang digunakan dalam pengujian yang berupa Structural Steel, Aluminium Steel, dan Titanium Steel memberikan hasil nilai stress maksimal sebesar 52,837 Mpa untuk material berbahan Structural Steel, 52,042 Mpa untuk material berbahan Aluminium Steel, dan 51,164 Mpa untuk material berbahan Titanium Steel. maka dari nilai tersebut dapat disimpulkan bahwa material berbahan Titanium Steel lebih kuat dibandingkan dengan dua material lainnya karena memiliki nilai maksimum stress yang paling kecil.
Co-Authors Afri Yudantoko Afri Yudantoko Agus Puji Prasetyono Agus Widyianto Arya Ferdian Ramadhan Putra Dhany Arie Saputra Dias Sumbaga Wicaksana FANDI ACHMAD Formuji Romansyah Gunadi Gunadi Gunadi Hanggar Setya Novanto Herminarto Sofyan I Gusti Nyoman Tri Jayendra I Kadek Bagus Suryanata I Made Gede Sunarya I Wayan Adiyasa Kaevian Nafa Bangunmas Kholis, Agit Sakti Nur Li, Peixuan M.Cs S.Kom I Made Agus Wirawan . Moch. Solikin, Moch. Muhammad Syahrul Akmal Muhammad Syahrul Akmal Mukhamad Nur Rochim Nofa Rindo Peixuan Li Pratama, Atmoko Putra Riski Rido Utomo Rizki Rido Utomo Sibiani, Nur Izzi Solly Aryza Supiningsih V. Lilik Hariyanto Yosef Budiman