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Borobudur Engineering Review
Published by Universitas Muhammadiyah Magelang
ISSN : -     EISSN : 27770850     DOI : https://10.31603/benr
Core Subject : Engineering,
Automotive Engineering Engineering Mechanical Engineering
Aims BENR is a research journal in the field of engineering published by the University of Muhammadiyah Magelang. The journal is published twice a year and provides a forum for publishing original research articles, review articles, and case studies on its scope. This journal is a tool for researchers, academics, and practitioners who want to share their thoughts and findings. Scope BENR is a journal that has a scope of studies in industrial engineering, supply chain management, ergonomy, green industry, mechanical engineering, tribology, electronic engineering, automation systems, robotics, mechatronics and materials engineering.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 50 Documents
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Optimasi AFR pada Gasoline Engine Menggunakan Sistem Controller pada Vehicle Speed Sensor Anindito, Dhimas Cahyo; Hikmahtiar, Muhammad Rasyid
Borobudur Engineering Review Vol 4 No 01 (2024): Automatic control system
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i01.11117

Abstract

The number of motorised vehicles has increased significantly in recent times. Derived petroleum products are still the main fuel for these internal combustion engines. But on the other hand, its availability is decreasing and its price is becoming increasingly expensive. This problem is the background to the importance of efforts to improve the efficiency of fuel consumption in motorised vehicles. One way to improve fuel efficiency is by increasing the optimisation of Air Fuel Ratio (AFR) with a control system. In this research, the control system used is an external engine control system (Honda Verza 150 FI) that works based on vehicle speed data. This control system works by resetting the fuel supply released when the motorbike decelerates so as to produce a better AFR value and more efficient fuel consumption. Based on the results of experimental tests conducted at 5 different deceleration speed variations (40 km/h, 50 km/h, 60 km/h, and 70 km/h) when using a modified ECU there is an increase in AFR value when compared to when using a standard ECU. The highest increase in AFR value occurs at a deceleration speed of 70 km/h with the AFR difference reaching 0.4 when compared to using the standard ECU. As for fuel consumption, the modified ECU is 150 cc more efficient than the standard ECU with the same test distance of 35.2 km
Pengaruh Interpass-temperature pada Pengelasan SMAW Terhadap Deformasi dan Kekuatan Impak Baja ASTM A36 Muhammail, Muhammail; Saifudin, Saifudin; Habibi, Ilham
Borobudur Engineering Review Vol 4 No 01 (2024): Automatic control system
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i01.11178

Abstract

Currently, welding is still very necessary for the increasingly advanced development of technology in the construction sector because it plays an important role in metal engineering and maintenance. This research aims to determine the effect of interpass temperature on deformation of weld results in ASTM A36 steel material. The method used in this research is an experimental method by measuring the deformation of the welded specimen. There are 9 specimens, the welding process uses shielded metal arc welding (SMAW), direct current reverse polarity (DCRP) with interpass temperature variations of 75 °C, 100 °C and 150 °C. The measurement results show deformation values ​​of 2.2°, 3.5° and 4° for each of the interpass temperatures of 75 °C, 100 °C and 150 °C. From the results of impact testing on specimens with interpass temperatures of 75 °C and 100 °C, it shows mixed fracture, namely brittle fracture and ductile fracture. The results of impact testing on specimens with an interpass temperature of 150 °C showed brittle fracture. The highest strength was at interpass temperature specimen of 100 °C, that is 211.79 Joules. And the lowest impact strength occurred in the interpass temperature specimen at 150 °C, that is 183.16 Joules.
Pengembangan Security Control System Untuk Mengenali Pengendara Dalam Meningkatkan Keamanan Kendaraan Rizal Ibrahim, Muhammad; Widi Ariyawan, Krisna; Sutoyo, Sutoyo
Borobudur Engineering Review Vol 4 No 01 (2024): Automatic control system
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i01.11191

Abstract

Kendaraan merupakan suatu alat transportasi yang sangat dibutuhkan diberbagai sektor. Saat ini di bidang transportasi sering terjadi kasus pencurian terutama di kendaraan darat. Kasus curanmor pada ditahun 2017 di wilayah Jawa Tengah cukup tinggi mencapai 869 kasus. Kejadian ini menjadi keprihatinan diberbagai pihak, terutama pemilik kendaraan. Hal ini terjadi disebabkan beberapa faktor. Salah satu faktor yang dominan diantaranya lemahnya sistem keamanan kendaraan. Untuk menanggulangi kasus pencurian sudah banyak tindakan yang dilakukan. Penggunaan kunci kontak rahasia, alarm maupun teknologi kunci kontak dengan Immobilizer telah dikembangkan. Faktanya kasus pencurian kendaraan masih marak terjadi. Hal ini menunjukkan sistem keamanan kendaraan masih rendah. Untuk itu perlu dikembangkan teknologi keamanan kendaraan yang lebih handal. Metode yang ditempuh dalam menangani permasalahan di atas, dengan mengembangkan teknologi recognition driver sytem. Teknologi fingerprint dan kamera pengintai juga dilengkapi dengan modul GSM untuk melakukan pengiriman SMS yang diaplikasikan dalam kegiatan ini. Fingerprint memiliki kelebihan sulit ditiru oleh pihak lain dan data foto untuk mempermudah pelacakan tindak kriminal, serta SMS untuk memberitahukan bahwa kendaraan sedang tidak aman (indikasi pencurian). Dengan harapan security system yang dikembangkan akan lebih aman
Model Age Replacement untuk Preventive Maintenance Pompa Finish Water Pump : Studi Kasus di Perusahaan Daerah Air Minum (PDAM) Answary, Ayub; Waluyo, Budi
Borobudur Engineering Review Vol 4 No 01 (2024): Automatic control system
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i01.11196

Abstract

Kelancaran proses pengolahan air di PDAM seringkali terhambat oleh gangguan pada finish water pump yang berperan penting dalam operasional Water Treatment Plant (WTP), ketika mengalami kerusakan komponen mesin ini seringkali memerlukan perbaikan yang signifikan, mengakibatkan dampak yang merugikan bagi perusahaan. Waktu yang terbuang akibat breakdown komponen mesin tersebut mengakibatkan kerugian produksi yang cukup besar. Jadwal preventive maintenance sangat dibutuhkan untuk mencegah kerusakan dimasa yang akan datang untuk mengetahui interval waktu perawatan bagi komponen pompa Finish Water Pump (FWP) sehingga dapat meminimasi downtime berdasarkan pemilihan dengan penghematan biaya yang paling minimal. Age Replacement merupakan penggantian pencegahan berdasarkan umur dari komponen dengan mengikuti pola distribusi tertentu. Penggantian pencegahan diatur ulang dengan menyesuaikan interval waktu penggantian pencegahan berikutnya sesuai dengan ketentuan yang telah ditetapkan, jika terjadi penggantian akibat kerusakan yang terjadi. Model Age Replacement berfungsi untuk memprediksikan secara akurat kegiatan penggantian komponen finish water pump yang seringkali mengalami kerusakan dengan menganalisa berdasarkan data historis kerusakan komponen tersebut serta mengetahui penekanan biaya optimal untuk setiap interval waktu penggantian komponen. Hasil dari penelitian menunjukkan bahwa salah satu selang waktu penggantian optimal yaitu selama 23 hari untuk komponen gland packing dengan biaya penggantian sebesar Rp. 115.200.000. Hal ini berhasil menekan biaya perawatan sebelumnya yang mencapai Rp. 158.175.000
Perancangan Oscilloscope dengan Software LabVIEW dengan Penerapan Filter Infinite Impulse Response Untuk Meningkatkan Kualitas Signal Sebagai Dasar Pengembangan Sistem Engine Control Unit Purnomo, Dwi; Bagas Ansori, Afif
Borobudur Engineering Review Vol 4 No 01 (2024): Automatic control system
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i01.11808

Abstract

Oscilloscope merupakan alat ukur electronic yang digunakan untuk memeriksa/menguji peralatan elektronik/ komputer yang menghasilkan sinyal. Alat ini dapat dugunakan untuk memproyeksikan bentuk signal, baik signal analog maupun signal digital. Signal- signal yang diamati dapat dilihat, diukur, dihitung dan dianalisis sesuai kebutuhan. Alat ukur oscilloscope merupakan perangkat yang sangat dibutuhkan di bidang electronic, mechatronic, computerize maupun autotronics. Oscilloscope yang digunakan selama ini memiliki harga kepemilikan cukup mahal, kurang praktis dan tidak mampu menganalisis. Melihat permasalahan tersebut, penelitian ini merancang oscilloscope portable yang dilengkapi filter secara matematis. Dengan adanya filter yang diusulkan akan menambah kemampuan dalam mengolah sinyal sehingga mudah dianalisis dalam pembuatan engine control unit (ECU). Metode yang ditemput dengan menggunakan software LabVIEW untuk interface oscilloscope yang dilengkapi dengan filter secara matemats (infinite impulse response). Hasilnya berupa trend sinyal yang telah diolah menjadi sinyal linear yang lebih mudah dipelajari. Penelitian ini belum menghasilkan data yang struktur namun masih dapat digunakan.
Produksi Bahan Bakar Padat Terbarukan Berdasarkan Kajian Torefaksi Limbah Kulit Ketela Berbasis Gelombang Mikro Flour Nadhif, Iftikar; Waluyo, Budi
Borobudur Engineering Review Vol 4 No 02 (2024): Aplikasi Teknologi Industri
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i02.12203

Abstract

Biomassa memiliki potensi sebagai energi alternatif terbarukan karena sumber energinya yang melimpah. Biomassa (limbah kulit ketela) dapat ditingkatkan kualitasnya dengan metode torefaksi. Dengan proses torefaksi maka nilai kalor pada biomassa akan meningkat dan nilai kalor biomassa dapat setara dengan batubara. Tujuan dari penilitian ini untuk mengetahui limbah kulit ketela sesuai standar SNI No.1/6235/2000. Penelitian torefaksi ini menggunakan beberapa pengaruh variabel. Adapun variabel yang digunakan, yaitu variasi suhu (200℃, 250℃, 300℃), variasi waktu tunggu (30 menit, 45 menit, 60 menit) dan variasi Power Level (defrost, medium low, medium). Hasil pengujian briket kulit ketela sesuai standar SNI No.1/6235/2000 dengan variasi suhu didapatkan pada suhu 250℃ dan 300℃. Hasil pengujian briket kulit ketela sesuai standar SNI No.1/6235/2000 dengan variasi waktu didapatkan pada waktu 30 menit dan 45 menit. Hasil pengujian briket kulit ketela sesuai standar SNI No.1/6235/2000 dengan variasi power level didapatkan pada medium low.
A Review on Automatic Tyre Pressure Control Technologies and Solar as Possible Energy Solution Amosun, Taiwo Semiu; Anisiji, Obiora Emeka
Borobudur Engineering Review Vol 4 No 02 (2024): Aplikasi Teknologi Industri
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i02.12314

Abstract

Tyre inflation pressure plays a crucial role in ensuring safe and economical driving. Automatic tyre inflation systems are designed to constantly maintain tyre pressure at the proper level. Different techniques exist to monitor, control and maintain tyre inflation pressure. Systems currently in development for tyre pressure control include dual tyre pressure equalizers, automatic tyre inflation system, central tyre inflation system as well as others which are in the prototype stage. In dual tyre pressure equalizer systems, a single sensor unit is mounted to the vehicle wheel end, monitoring the pressure in both tyres of a dual-tyre assembly, with a hose connection to each tyre valve stem. If pressure levels between the tyres do not match, either due to temperature warming of one tyre position versus the other, unequal loading, or slow air seepage, the system will attempt to bring the inflation pressure of the two tyres to the same level. Automatic tyre inflation systems monitor tyre inflation pressure relative to a pre-set target and re-inflate tyres whenever the detected pressure is below the target level. In central tyre inflation system, the driver can select the target pressure from an in-cab display, in order to raise or lower the tyre inflation level depending on the operating conditions of the vehicle. One of the greatest challenges in designing a tyre pressure control system is providing the required energy to power the system. This paper reviews some state-of-the-art tyre pressure control technologies. Then possibility of solar energy-powered solution reviewed. The proposed solar energy solution is for land vehicles used especially in arid region of the world.
Penambahan Bio-Aditif Minyak Sereh Untuk Meningkatkan Kinerja Campuran Pertalite-Etanol Yunus, Toni; Saputra, Yusuf Surya; Waluyo, Budi
Borobudur Engineering Review Vol 4 No 02 (2024): Aplikasi Teknologi Industri
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i02.12375

Abstract

Meningkatnya pengguna kendaraan bermotor menjadikan krisis energi fosil menjadi masalah terbesar yang dihadapi dunia saat ini. Masalah tersebut dapat dikurangi dengan menambahkan bahan bakar terbarukan seperti etanol. tetapi dengan menambahkan etanol pada kendaraan bermotor menyebabkan penurunan energi. Oleh karena itu penelitian ini bertujuan untuk mengurangi penurunan energi menggunakan minyak sereh dalam campuran bahan bakar pertalite etanol. Metode yang digunakan adalah eksperimental dengan persentase minyak sereh yang digunakan adalah 2%, 4%, dan 6% : 500 ml campuran pertalite etanol. Penelitian dilakukan menggunakan sepeda motor Honda Grand dengan alat dynotest yang dilakukan pada rpm 3000-8000. Hasil dari penelitian ini menunjukkan bahwa daya tertinggi yang didapat dari campuran pertalite etanol yang ditambah minyak sereh adalah 4,6 HP pada 6000 rpm dan torsi tertinggi yang dihasilkan adalah 6,1 Nm pada 4000 rpm. Dibandingkan dengan pertalite murni daya yang dihasilkan adalah 4,2 HP pada 6000 rpm dan torsi yang didapat adalah 5,6 Nm pada 3500 rpm. Berdasarkan penelitian tersebut, campuran pertalite etanol yang ditambah dengan minyak sereh dapat meningkatkan daya dan torsi mesin.
Analysis of UMKM Product Quality Control Using the Statistical Quality Control (SQC) Method Ramadhani, Mughni Rizqi; Muh Widodo, Eko; Imron Rosyidi, Muhammad
Borobudur Engineering Review Vol 4 No 02 (2024): Aplikasi Teknologi Industri
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i02.12692

Abstract

UMKM Keripik Bariklana is one of the cassava-based food processing businesses established in 2015 and located in Sumurarum Village, Grabag District, Magelang Regency, Central Java. UMKM Keripik Bariklana produces one variant of cassava balado chips with an average production capacity of 1,500 kg of cassava chips per month which is worked on by 6 male workers and 4 female workers. However, UMKM Keripik Bariklana still faces problems in its production process, namely there are still defective products in the form of crushed chips and broken chips. The purpose of this study was to identify the factors that cause the emergence of defective products and provide suggestions for improvements aimed at achieving zero defect products of UMKM Keripik Bariklana. The method used in quality control to achieve zero product defects is using the Statistical Quality Control (SQC) method. After being analyzed with a fishbone diagram, the results of this study showed that the factors causing defective cassava chips are Material, Machine, Method and Man. Improvements made to achieve zero product defects are that before purchasing raw materials, the age of cassava must be checked until harvest time, weather factors, and the characteristics of cassava from each different region must be checked. Employees are given useful training to increase knowledge and develop skills in the cassava chips making process. Carefully adjust and check machine components before use in the production process, such as sharpening knives if the blade is blunt and replacing components if any are damaged. It is necessary to review the work method whether employees understand and understand the work method, for that it is necessary to design a more systematic one and use language that is easier to understand. So that the SOP that is made can be run properly and correctly
Penggunaan Zeolite Sebagai Filter Untuk Menurunkan Emisi Gas Buang Berdasarkan Ukuran dan Tingkat Kejenuhan Absorsi Sirajuddin, Sirajuddin; Purnomo, Bagiyo Condro
Borobudur Engineering Review Vol 4 No 02 (2024): Aplikasi Teknologi Industri
Publisher : Universitas Muhammadiyah Magelang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/benr.v4i02.12770

Abstract

Motorized vehicles have become a fundamental necessity in Indonesia, with each household owning at least one motorcycle highly favored by the community. The increase in the number of motorcycles reflects the performance of the automotive industry and the continuous improvement of people's purchasing power. Despite contributing positively to economic growth and mobility, the growth of motorized vehicles also brings negative impacts such as traffic congestion, air pollution, and dependence on imported petroleum. Exhaust emissions from vehicles, containing CO2, NOx, CO, VHC, and other particles, have serious implications for human health and the environment. The initiative to use environmentally friendly transportation technology, as adopted by the European Union with Euro emission standards, is crucial in reducing these negative impacts. In Indonesia, the adoption of Euro 4 emission standards in 2018 for gasoline-fueled cars and in 2021 for diesel cars is a positive step, despite the delay for diesel cars until 2022. Previous research indicates that alternative fuels like LPG can reduce exhaust emissions. Additionally, using a filter in motorcycle mufflers, especially with zeolite as a medium, can effectively reduce CO and HC levels. However, there is no in-depth research on the saturation level of zeolite's absorption capacity for exhaust emissions. Therefore, this study focuses on exploring the saturation level of zeolite material with various sizes to absorb exhaust emissions, particularly HC, CO, and CO2 in motorized vehicles. The research results reveal that the optimal outcome for the saturation level of zeolite material absorption in the muffler filter of Yamaha Jupiter Z 110cc vehicles is achieved using 10 grams of zeolite powder with mesh size 50. The best CO concentration reduction occurs at 1000 rpm for 35 minutes, achieving a 66.9% reduction, reaching 2.85%. For HC, the best result is obtained in testing with 10 grams of zeolite powder mesh 50 at 1000 rpm for 20 minutes, with a 90.58% reduction, reaching 227 ppm. The optimal CO2 testing is conducted with 10 grams of zeolite powder mesh 50 at 1000 rpm for 30 to 40 minutes, resulting in a 21.95% reduction, reaching 13.4%. These findings indicate that the use of muffler filters with zeolite powder can significantly reduce exhaust emissions in Yamaha Jupiter Z 110cc, contributing positively to efforts in controlling air pollution from motorized vehicles

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