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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Rekayasa Teknologi Prosiding Seminar Nasional Teknoka Jurnal Teknologi Bahan dan Barang Teknik Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Sistem Komputer dan Informatika (JSON) Infotech: Journal of Technology Information Jurnal Pengabdian kepada Masyarakat Nusantara KLIK: Kajian Ilmiah Informatika dan Komputer AutoMech : Jurnal Teknik Mesin JURNAL TEKNIK INFORMATIKA DAN KOMPUTER Riau Jurnal Teknik Informatika Metalik: Jurnal Manufaktur, Energi, Material Teknik
Avorizano, Arry
Universitas Muhammadiyah Prof. Dr. HAMKA
Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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PEMANFAATAN APPSHEET UNTUK IMPLEMENTASI QR CODE PADA PENCATATAN PERKEMBANGAN SISWA TK BERBASIS MOBILE APPLICATION Avorizano, Arry; Afnan Sabili, Dian Ainurrafik; Hasan, Firman Noor
Infotech: Journal of Technology Information Vol 11, No 1 (2025): JUNI
Publisher : ISTEK WIDURI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37365/jti.v11i1.349

Abstract

The mobile application-based student progress recording application at RA Mutiara is a tool that can assist in managing student attendance and assessments, making academic data management easier. With this application, data processing becomes organized and easily accessible, the application can only be accessed by teachers. In designing the mobile application-based student progress recording application, we utilize QR Code technology as a tool to assist in student attendance and assessments. The application development is carried out using the waterfall method, which consists of five stages: needs analysis, application design, application development, and application testing. The software used in building this application includes AppSheet, Draw.io, Spreadsheet, and Google Chrome. In system testing, the method used is Black Box Testing. Based on the research results, a mobile application-based student progress recording application has been developed at RA Mutiara. From the results of the system testing questionnaire, data was obtained showing that 84.6% of the 3 users stated that the system is effective and suitable for implementation at RA Mutiara.
Studi Eksperimentasi Posisi Pendingin Termoelektrik pada Kotak Pendingin terhadap Kinerja Sistem Pendingin bertenaga Panel Surya Rifky; Setiawan , Eki Hadi; Agusman, Delvis; Mujirudin, Mohammad; Avorizano, Arry
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 4 No. 2 (2025): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v4i2.21140

Abstract

Solar cells are a powerful technology to convert solar energy into electrical energy directly, while thermoelectrics can convert electrical energy (potential difference) into heat energy (temperature difference). The combined solar cell and thermoelectric system is used as an air conditioner. The research was conducted by making a cooling system in the form of a cooling box with a cooling source on the roof side and wall side. The cooling source in this study is a thermoelectric cooling system consisting of a series of thermoelectric modules. The purpose of this study is to find that the position of the TEC affects the cooling results in the cooling box and determine the lowest temperature and performance of the cooling system in the cooling box. The method used is an experimental method with the model is a cooler box with cooler box dimensions: 520mm x 370mm x 440mm. Solar cells as electrical energy suppliers are placed in the presence of sunlight throughout the day and the output power from solar cells is distributed to the thermoelectric cooling system in series. so that thermal energy changes take place on its sides. The cold side of the thermoelectric will absorb heat from inside the cooling box, while the hot side of the thermoelectric will release heat to the environment outside the cooling box. The results showed that the positioning of the thermoelectric cooler on the roof side and the wall side of the cooler box affected the heat transfer and temperature achievement in the center of the cooler box. The average center room temperature achieved by the cooler on the roof side is 23.70 ℃ and 24.75 ℃ on the wall side. While the coefficient of performance of the cooling system in the cooler box with thermoelectric cooler on the roof side amounted to 2.17 and in the thermoelectric cooler on the wall side amounted to 1.8.
ANALISIS PERBEDAAN PENDAPAT WARGANET INDONESIA DAN INTERNASIONAL TERKAIT AKSI BOIKOT PRODUK PENDUKUNG ISRAEL Nugroho, Adityo Fajar; Avorizano, Arry
Jurnal Teknik Informatika dan Komputer Vol. 4 No. 2 (2025): Jurnal Teknik Informatika dan Komputer
Publisher : Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/jutikom.v4i2.18336

Abstract

The conflict between Israel and Palestine is now in the global spotlight. Because a number of company products openly donate money and goods to Israel. This has made people angry at Israel and the products that support it, thus calling for a boycott of products supporting Israel on social media. Therefore, researchers conducted sentiment analysis related to the boycott of products supporting Israel from social media X and YouTube using the Naïve Bayes algorithm with its three models, namely Multinomial, Bernoulli, and Gaussian on Indonesian and international citizens. As a result, the international dataset obtained a positive sentiment value of 79.79% with 600 data supporting the boycott, while the negative class obtained 20.21% with 152 data rejecting the boycott. Then the Indonesian dataset has a positive sentiment value of 51.78% with 1312 data supporting the boycott, while in the negative class 48.22% is obtained with 1222 data rejecting the boycott. So, in Indonesia and other countries, the majority of netizens call for a boycott of products supporting Israel through social media platforms X and YouTube. When evaluating the model, the BernoulliNB model obtained the highest accuracy value on both datasets. On the Indonesian dataset, BernoulliNB achieved an accuracy value of up to 89%. Then on the international dataset, it gets an accuracy value of 76%.
Peningkatan Kompetensi Keterampilan Kejuruan Teknik Sepeda Motor Kepada Siswa SMK Bina Industri Agus Fikri; Avorizano, Arry; Dzikrillah, Achmad Rizal; Heriyani, Oktarina; Ariyansah, Riyan; Rayhan, Muhammad
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 4 No. 4 (2023): Jurnal Pengabdian kepada Masyarakat Nusantara (JPkMN)
Publisher : Lembaga Dongan Dosen

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

Abstract

Tujuan pelaksanaan pengabdian masyarakat ini ialah untuk meningkatkan kompetensi keterampilan kejuruan siswa Sekolah Menengah Kejuruan (SMK) Bina Industri di bidang teknik sepeda motor. Permasalahan yang dihadapi adalah kurangnya pengetahuan dan keterampilan siswa dalam merawat dan memperbaiki sepeda motor yang semakin canggih. Workshop perawatan sepeda motor diimplementasikan sebagai solusi inovatif untuk mengatasi kendala tersebut. Metode penelitian menggunakan desain eksperimental prapostes dengan pendekatan kuantitatif. Program pengabdian melibatkan 60 siswa kelas XI TBSM 1,2,3 SMK Bina Industri, dengan tahap identifikasi kebutuhan, perencanaan program, pelaksanaan program, dan evaluasi. Data diperoleh melalui uji praktik dan tes tertulis sebelum dan sesudah program. Hasil penelitian menunjukkan peningkatan signifikan pada keterampilan praktik siswa sebesar 60%, dengan skor rata-rata meningkat dari 50 poin menjadi 80 poin. Pemahaman teoritis siswa juga meningkat, dengan skor rata-rata naik dari 60 poin menjadi 85 poin. Temuan ini konsisten dengan penelitian terdahulu yang mendukung efektivitas pendekatan berbasis proyek dan praktik dalam meningkatkan keterampilan siswa di bidang kejuruan. Kesimpulan penelitian menegaskan bahwa workshop perawatan sepeda motor berhasil mencapai tujuan meningkatkan keterampilan kejuruan siswa SMK Bina Industri. Workshop ini memberikan kontribusi positif dalam mempersiapkan siswa untuk memasuki dunia kerja, khususnya dalam industri sepeda motor yang terus berkembang.
Analisa Perbandingan Variasi Coolant Untuk Radiator Sepeda Motor 150 CC Imanda, Reza Luthfi; Fikri, Agus; Mujirudin, M; Avorizano, Arry
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 2 No. 2 (2023): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v2i2.13108

Abstract

Abstrak Secara umum cairan pendingin (coolant) ialah cairan yang digunakan untuk mendinginkan atau menstabilkan suhu mesin pada saat bekerja dan menjaga suhu kerja mesin secara baik dan optimal. Tujuan pada penelitian ini adalah temperatur dari cairan pendingin dan waktu pendinginan yang dihasilkan oleh cairan pendingin tersebut di sistem pendingin, untuk menurunkan temperatur dari efektivitas kinerja mesin di sepeda motor kapasitas 150cc. Pada saat pengujian temperatur yang dihasilkan oleh cairan pendingin menggunakan thermostat kemudia pada proses waktu pendinginan dilakukan dengan alat pencatat waktu dan tiga jenis cairan pendingin sebagai coolant radiator. Kemudian dibuat grafik untuk menunjukkan nilai terendah dan nilai tertinggi lalu dianalisis pada kondisi tersebut. Grafik temperatur tersebut menunjukan bawah cairan pendingin Coolant C memiliki temperatur lebih besar daripada cairan pendingin Coolant A dan Coolant B. Dan grafik waktu pendinginan memperlihatkan bahwa cairan pendingin Coolant B lebih cepat pada proses waktu pendinginan dibandingkan dengan cairan pendingin Coolant A dan Coolant C. Abstract In general, coolant is a coolant that is used to cool or stabilize the temperature of the engine when working and maintain the working temperature of the engine properly and optimally. The purpose of this study is the temperature of the coolant and the cooling time produced by the coolant in the cooling system, to reduce the temperature of the effectiveness of engine performance on 150cc capacity motorbikes. When testing the temperature generated by the coolant using a thermostat, then during the cooling time process is carried out with a timer and three types of coolant as a coolant radiator. Then a graph is made to show the lowest value and the highest value and then analyzed under these conditions. The temperature graph shows that Coolant C has a higher temperature than Coolant A and Coolant B. And the cooling time graph shows that Coolant B coolant is faster in the cooling time process compared to Coolant A and Coolant C.
Analisa Sifat Mekanis Komposit Serat Pelepah Pisang Kepok dan Talk dengan Matriks Polyester untuk Aplikasi Helm SNI Helmiansyah, Dio; Fikri, Agus; Mujirudin, Mohammad; Avorizano, Arry
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 3 No. 1 (2024): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v3i1.15591

Abstract

Penelitian ini bertujuan untuk mengetahui sifat mekanis dari komposit serat pelepah pisang kepok dan filler talk dengan matriks polyester untuk aplikasi helm SNI. Variasi yang di lakukan adalah 0% serat, 100% resin, katalis; 5% serat, 95% resin, katalis, talk; 7% serat, 93% resin, katalis, talk; dan 10% serat, 90% resin, katalis, talk. Pengujian mekanis yang dilakukan adalah pengujian tarik dan impak. Hasil pengujian menunjukkan bahwa peningkatan fraksi volume serat dan pencampuran talk memberikan pengaruh terhadap kekuatan tarik komposit. Spesimen dengan variasi 5% serat, 95% resin, talk mencapai nilai kekuatan tarik maksimal sebesar 44,277 MPa dan modulus elastisitas senilai 3361,6 MPa. Selain itu, variasi 10% serat, 90% resin, katalis, talk menunjukkan peningkatan energi serap dan harga impak pada pengujian impak, dengan nilai maksimal energi serap sebesar 4 Joule dan harga impak 0,028 J/ . Data ini mendukung potensi aplikasi komposit sebagai bahan pembuatan helm sesuai standar SNI. This research aims to determine the mechanical properties of a composite of kepok banana stem fiber and talc filler with a polyester matrix for SNI helmet applications. The variations used are 0% fiber, 100% resin, catalyst; 5% fiber, 95% resin, catalyst, talc, 7% fiber, 93% resin, catalyst, talc; and 10% fiber, 90% resin, catalyst, talk. The mechanical tests carried out are tensile and impact tests. The test results showed that increasing the fiber volume fraction and talc mixing had an influence on the tensile strength of the composite. Specimens with variations of 5% fiber, 95% resin, talc achieved a maximum tensile strength value of 44.277 MPa and an elastic modulus of 3361.6 MPa. In addition, the variation of 10% fiber, 90% resin, catalyst, talc shows an increase in absorption energy and impact value in impact testing, with a maximum value of absorption energy of 4 Joules and an impact value of 0.028 J/mm2. This data supports the potential application of composites as materials for making helmets according to SNI standards.
Analisis Variasi Waktu Tekan Terhadap Sambungan Pengelasan Rotary Friction Welding Menggunakan SEM EDX Al Farizi, Salman; Agus Fikri; Mujirudin, Mohammad; Avorizano, Arry
METALIK : Jurnal Manufaktur, Energi, Material Teknik Vol. 3 No. 2 (2024): Metalik: Jurnal Manufaktur, Energi, Material Teknik
Publisher : Universitas Muhammadiyah PROF. DR. HAMKA Fakultas Teknik – Program Studi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/metalik.v3i2.16765

Abstract

Rotary friction welding adalah teknik pengelasan yang memanfaatkan panas yang dihasilkan dari gesekan. Prosesnya melibatkan dua logam yang dipertemukan pada ujung-ujungnya, kemudian kedua permukaan ditekan menggunakan gaya. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh waktu tekan terhadap pembentukan senyawa intermetalik antara aluminium dan tembaga. Waktu tekan pada penyambungan aluminium dan tembaga ditetapkan sebesar 60, 120, dan 180 detik. Selanjutnya untuk mengidentifikasi distribusi dan konsentrasi senyawa intermetalik yang terbentuk pada masing-masing waktu tekan tersebut digunakan SEM-EDX. Hasil penelitian menunjukkan bahwa morfologi dan komposisi zona sambungan sangat dipengaruhi oleh waktu tekan. Tembaga berdifusi ke dalam aluminium pada waktu tekan yang lebih singkat yaitu 60 detik, menciptakan lapisan intermetalik tipis dan rata. Sebaliknya dengan waktu tekan yang lebih lama 120 dan 180 detik, maka konsentrasi tembaga di zona sambungan cenderung turun karena mekanisme self cleaning dan redistribusi material, yang menghasilkan lapisan intermetalik yang lebih tebal tetapi dengan distribusi yang tidak merata. Rotary friction welding is a welding technique that utilizes heat generated from friction. The process involves two metals that are brought together at their ends, then both surfaces are pressed using force. The aim of this research is to determine the effect of pressing time on the formation of intermetallic compounds between aluminum and copper. The pressing time for joining aluminum and copper was set at 60, 120, and 180 seconds. Furthermore, SEM-EDX was used to identify the distribution and concentration of intermetallic compounds formed at each pressing time. The results showed that the morphology and composition of the joint zone were greatly influenced by the pressing time. Copper diffused into aluminum at a shorter pressing time of 60 seconds, creating a thin and even intermetallic layer. In contrast, with a longer pressing time of 120 and 180 seconds, the copper concentration in the joint zone tended to decrease due to the self-cleaning mechanism and material redistribution, which resulted in a thicker intermetallic layer but with an uneven distribution
Analisis Pengaruh Variasi Sudut Jari-jari terhadap Ketahanan Struktur Pelek Ring 17 Menggunakan Ansys. Fikri, Agus; Yongkimandalan, Nicky; Surahto, Aep; Ardika, Rizki Dwi; Ariyansah, Riyan; Avorizano, Arry; Mujirudin, Mujirudin; Bintoro, Sefrian Rizki
AutoMech : Jurnal Teknik Mesin Vol. 5 No. 01 (2025): Mei
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/jtm.v%vi%i.11835

Abstract

Kemampuan pelek untuk mengatasi tantangan eksternal seperti beban jalan yang tidak merata atau dampak tabrakan, serta mampu menopang beban kendaraan, menjadi sangat penting agar tidak terjadi kegagalan struktural yang dapat menyebabkan kecelakaan. Tujuan penelitian ini adalah menganalisis kekuatan struktural dan ketahanan deformasi dari masing-masing desain variasi modifikasi sudut pelek ring 17. Metode yang digunakan adalah pendekatan simulasi uji impak menggunakan perangkat lunak ANSYS dengan menerapkan metode explicit dynamics analysis. Dengan menerapkan variasi besar radius sudut spoke pelek yaitu 5o, 34o dan 48o. Hasil penelitian menunjukkan bahwa tegangan tertinggi terjadi pada pelek ring 17 dengan modifikasi R5 yaitu sebesar 379,72 MPa. Sedangkan, tegangan terendah terjadi pelek ring 17 dengan modifikasi R34 yaitu sebesar 344,65 MPa. Selain itu, diketahui juga nilai regangan ekuivalen maksimum pada sudut pelek R5 sebesar 0,0052116 mm/mm. Jadi modifikasi sudut spoke R34 dan R48 pada pelek dengan tegangan dan regangan yang lebih rendah cenderung memiliki performa struktural yang lebih baik dan lebih dapat diandalkan menahan beban impak. Kata Kunci: Pelek Ring 17, Sudut spoke, Uji Impack, ANSYS.
Analysis of the Construction Form of an Electrical  Car Chassis Prototype Type Hollow Alumunium 6061 Pipe Profile Using Inventor Software 2019 Aep Surahto; Riyan Ariyansah; Fathoni; Qommaruddin; Agus Fikri; Mohammad Mujirudin; Arry Avorizano; Goodman Octavianus
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Volume 7 Number 2 (2025)
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/hhx5bh28

Abstract

The chassis is a critical structural component in vehicle design, especially in electric vehicle (EV) development aimed at reducing environmental impact. This study analyzes the structural performance of a prototype electric vehicle chassis made from 6061 hollow aluminum using Autodesk Inventor 2019. Three chassis models were designed and tested under a static load of 900 N to compare stress distribution, displacement, and safety factors. All chassis designs had dimensions of 2160 mm × 750 mm × 500 mm with a wall thickness of 2 mm. Simulation results showed that the H-type chassis model performed best, with a von Mises stress of 36.03 MPa, displacement of 4.28 mm, and a safety factor of 7.63. These results indicate that the H-type chassis is structurally safe and suitable for prototype application.
Penerapan Business Intelligence Untuk Menganalisa Data Gempa Bumi di Indonesia Menggunakan Tableau Public Diana Fitri Lessy; Arry Avorizano; Firman Noor Hasan
Jurnal Sistem Komputer dan Informatika (JSON) Vol. 4 No. 2 (2022): Desember 2022
Publisher : Universitas Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/json.v4i2.5316

Abstract

One of the natural disasters that often occurs in Indonesia is an earthquake. This is because Indonesia's geological position is between 3 important lithospheric plates, namely the Pacific, Eurasian and Indo-Australian plates. The forces between the plates are constantly changing, dampening disturbances both on land and at sea. This study aims to focus on visualizing earthquake data in Indonesia and implementing Business Intelligence to display earthquake area data, depth and magnitude. The method of this study uses the Tableau Public platform to process earthquake datasets in Indonesia obtained through www.kaggle.com for the period 01 January 2018 to 30 September 2022. This research produces a report in the form of a dashboard that contains data visualization for the earthquake area, depth and magnitude from various regions in Indonesia that can be used to assist in decisions to be taken. Various designs for dashboards can be used in Tableau to make data easier to read and understand.
Co-Authors Aep Surahto Aep Surahto Afnan Sabili, Dian Ainurrafik Agus Fikri Agus Fikri Ahmad Fajar Ahmad Fajar Aji, Rendi Setiawan Al Farizi, Salman Amin, Syahrul Anugrah, Ridho Dwi Arien Bianingrum Rossianiz Bintoro, Sefrian Rizki Dan Mugisidi Delvis Agusman Diana Fitri Lessy Dias Utomo Dzikrillah, Achmad Rizal Fachriyana Rizki Ibrahim Fathoni Fikri, Agus Firdaus Firmansyah Firman Noor Hasan Goodman Octavianus Hanif, Chaidar Helmiansyah, Dio Hibatullah, Muhammad Raflie Hilda, Atiqah M. Imanda, Reza Luthfi Indiharto, Raden Adhiyaksa Intia, Bakti Cahya Kamayani, Mia Kusuma, Miftahul Ari Lutfan Zulwaqar M Mujirudin Miftahul Ari Kusuma Mohammad Mujirudin Mohammad Mujirudin Muchammad Sholeh Muhammad Fathan Aulia Muhammad Rayhan Mujirudin, M Mujirudin, M. Mujirudin, Mohammad Mujirudin, Mujirudin Nugroho, Adityo Fajar Oktarina Heriyani Qommaruddin Raden Adhiyaksa Indiharto Rafli Erlangga Rifky, Rifky Riyan Ariyansah Rizki Dwi Ardika Rusneli, Rizki Adhitya Setiawan , Eki Hadi Sholeh, Muchammad Tuti Awaliyah Utomo, Dias Yoga Syahputra Yongkimandalan, Nicky