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All Journal International Journal of Renewable Energy Development Mechatronics, Electrical Power, and Vehicular Technology Jurnal Teknik Mesin Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Teknologi SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Rekayasa Mesin Sinergi Prosiding Semnastek Indonesian Journal of Science and Technology Jurnal Penjaminan Mutu Journal of Community Services and Engagement Jurnal Elemen Teknomekanik Community Empowerment Advance Sustainable Science, Engineering and Technology (ASSET) Jurnal Teknik Mesin Asean Journal of Science and Engineering (AJSE) Mechanical Engineering for Society and Industry Automotive Experiences Urecol Journal. Part D: Applied Sciences Innovation in Health for Society Jurnal Penjaminan Mutu International Journal of Renewable Energy Development Advance Sustainable Science, Engineering and Technology (ASSET)
Muji Setiyo
Universitas Muhammadiyah Magelang, Magelang, Indonesia
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Transportation Other

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AFR Modeling of EFI Engine Based on Engine Dynamics, Vehicle Dynamics, and Transmission System Suroto Munahar; Muji Setiyo
Jurnal Teknik Mesin (JTM) Vol 7, No 1 (2017)
Publisher : LP2M - Institut Teknologi Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1222.48 KB)

Abstract

During this time, the AFR control systems on the Ligh Duty Vehicles (LDVs) generally only engage the engine condition, such as manifold pressure, engine speed. In fact, fuel consumption is not only influenced by the engine dynamics but also influenced by outside factors such as gear position (transmission) and vehicle speed. Therefore, this paper presents a simulation to control the Air to Fuel Ratio (AFR) on Electronic Fuel Injection (EFI) engine that accommodated engine dynamics, vehicle speed dynamics, and gear position dynamics (transmission). Fuzzy Logic Controller (FLC) was selected for AFR modeling because of the engine work in a non-linear condition. The simulation results show that the model developed is able to control the AFR on the vehicle speed changes. Even, the system is able to perform fuel cut-off at the time of deceleration from high speeds. 
Corrosion Resistance Test Using Gravimetric Method on Fuel Tanks of Ethanol Fuel Vehicles Muji Setiyo; Saifudin Saifudin; Abdul Wahid Jamin; Rifqi Nugroho; Muhammad Rizal Ibrahim
Jurnal Teknik Mesin (JTM) Vol 7, No 2 (2017)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

In the next few decades, ethanol will take on the role of replacing fossil fuels. However, for direct application to the existing vehicles, an assessment of the corrosion resistance of the fuel tank is required. Therefore, this paper presents the results of corrosion resistance investigation of fuel tanks due to the application of ethanol. A Gravimetric method is used to test the corrosion. Ethanol is mixed with NaCl at various percentages as a corrosive medium. The test results show that the fuel tank has good resistance to corrosion due to ethanol use. 
Mini Review: Potential of Scrap Tires for Useful Material and Products Muhammad Latifur Rochman; Muji Setiyo
Jurnal Teknik Mesin (JTM) Vol 9, No 1 (2019)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

One of the effects of increasing the number of vehicles is the presence of scrap tires. Stacking and burial of used tires have caused serious problems for the environment. Therefore, this article presents a brief review of the potential of scrap tires to be useful materials and products. Of the many potential uses, we find at least three ways to use the scrap tires, which are: converted to rubber powder to be reprocessed as asphalt mixture, concrete mixtures, composite mixes, fillers, and the like; converted to liquid oil through the pyrolysis process; and recycled forms, where the original physical properties of used tires are still visible, such as for furniture, wave breakers, racing circuit safety, and the like.
Track Record and Research Challenges of Automotive Vocational Lecturer in Indonesia: Screening from Google Scholar 2016-2018 Bagiyo Condro Purnomo; Muhammad Latifur Rochman; Muji Setiyo
Jurnal Teknik Mesin (JTM) Vol 9, No 1 (2019)
Publisher : LP2M - Institut Teknologi Padang

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Abstract

This article presents a research review of automotive vocational lecturers in Indonesia obtained from Google Scholar during 2016-2018. We found more than 500 articles on Google Scholar produced by 277 lecturers from automotive vocational programs. However, through data filtering, there are only 208 publications related to automotive, including the development of learning media in VHE. Looking at the world automotive research trend (which leads to major issues regarding battery systems, downsizing and turbocharging, and advanced combustion modes), and with concerns about the availability of fossil energy, major and fundamental reforms are needed for research activities in automotive vocational lecturers in Indonesia, both in terms of topic and depth of research material. As a recommendation, stakeholders in automotive vocational programs in universities should immediately form a research roadmap together and form a national automotive research consortium in order to contribute in realizing environmentally friendly vehicle technology and a sustainable national transportation system.
PEMAJUAN VALVE TIMING TERHADAP PENINGKATAN PERBANDINGAN KOMPRESI AKTUAL, TORSI DAN DAYA ; UPAYA UNTUK MENINGKATKAN UNJUK KERJA MESIN [ PENELITIAN PADA SEPEDA MOTOR HONDA GL PRO NEOTECH ] Muji Setiyo; Bagiyo Condro P
Prosiding SNST Fakultas Teknik Vol 1, No 1 (2010): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 1 2010
Publisher : Prosiding SNST Fakultas Teknik

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Abstract

Konsep kendaraan modern adalah terpenuhinya tuntutan tentang daya mesin yang besar, hemat pemakaian bahan bakar, dan rendah kadar emisi gas buang dengan efisiensi mesin yang tinggi. Salah satu upaya untuk meningkatkan unjuk kerja mesin adalah dengan meningkatkan tekanan kompresi mesin. Besarnya tekanan kompresi mesin salah satunya ditentukan oleh panjang langkah kompresi aktual.Sepeda motor Honda GL Pro Neotech 160 cc standar dengan katup masuk ditutup pada 35° setelah TMB memiliki langkah kompresi aktual sepanjang 145° atau 46,07 mm, volume langkah aktualnya sebesar 145,97 dan memiliki perbandingan kompresi aktual sebesar 8,45. Dengan cara memajukan valve timing, penutupan katup hisap menjadi lebih awal, sehingga langkah kompresi aktual menjadi lebih panjang, volume langkah aktual menjadi lebih besar, dan tekanan kompresi meningkat.Penelitian dilakukan dengan mengkaji secara teori terhadap pengaruh pemajuan valve timing terhadap geometri mesin. Unjuk kerja mesin diuji pada dinamo meter untuk mengetahui output torsi dan daya yang dihasilkan mesin.Dengan pemajuan valve timing sebesar 10°, diperoleh langkah kompresi sepanjang 47, 74 mm (naik 1,67 mm), dengan volume langkah aktual 151, 27 cc (naik 5,3 cc) dan menghasilkan perbandingan kompresi sebesar 8,72. Penelitian pada 4000 rpm sampai 10000 rpm dengan interval rekam data setiap 250 rpm, mampu meningkatkan torsi rata rata sebesar 3,55 %, dan meningkatkan daya rata rata 3,14 %.Kata kunci : valve timing, kompresi aktual, daya, torsi.
STUDI EKSPERIMENTAL PENDINGIN UDARA (AIR COOLER) DENGAN THERMO-ELECTRIC PADA KABIN MOBIL Gaga Putra Setiawan; Oktavi Barkah Lukmana; David Prayogo; Muji Setiyo
Jurnal Teknologi Vol 11, No 1 (2019): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.11.1.79-84

Abstract

Temperatur berlebihan dalam kabin mobil selama parkir dibawah sinar matahari telah menjadi kekhawatiran banyak peneliti karena mempercepat kerusakan kompartemen interior mobil dan berbahaya bagi kesehatan. Oleh karena itu, penelitian ini membahas prototipe pendingin udara untuk sistem pendingin kabin mobil dengan thermo-electric yang didukung oleh sel surya. Prototipe sistem pendingin berbasis thermo-electric dibuat menggunakan 2 buah TEC tipe TEC1-12706. Hasil pengujian menunjukkan bahwa prototipe sistem pendingin mampu menghasilkan daya pendinginan sebesar 339 Watt dan menurunkan temperatur kabin sebesar 10 oC.
UJI KOMPOSISI BAHAN BAKAR DAN EMISI PEMBAKARAN PERTALITE DAN PREMIUM Muhammad Luthfi; Dwi Ahmad R; Muji Setiyo; Suroto Munahar
Jurnal Teknologi Vol 10, No 1 (2018): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.10.1.67-72

Abstract

Makalah ini menyajikan hasil investigasi kandungan penyusun bahan bakar pertalite terhadap emisi gas buang. Molekul pertalite dan premium diuji dengan Gas Chromatography Mass Spectrometri (GC-MS), sedangkan emisi gas buang diuji dengan Engine gas analyzer. Hasil uji GC-MS menunjukan bahwa pertalite memiliki kandungan molekul penyusun yang lebih banyak dari premium, sedangkan hasil uji emisi menunjukkan pertalite menghasilkan gas berbahaya lebih sedikit dibandingkan dengan premium.
KARAKTERISTIK SISTEM REFRIGERASI KOMPRESI UAP DENGAN REFRIGERANT CAMPURAN MUSICOOL 134 - CO2 Bagiyo Condro Purnomo; Muji Setiyo
Jurnal Teknologi Vol 9, No 2 (2017): Jurnal Teknologi
Publisher : Fakultas Teknik Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/jurtek.9.2.57-64

Abstract

Penelitian ini membahas penggantian refrigeran R-134a yang berpotensi ODP dan GWP dengan refrigeran campuran Musicool 134 - CO2  pada sistem refrigerasi kompresi uap yang diaplikasikan pada sistem AC mobil. Karekteristik sistem AC diamati pada variasi putaran blower sebagai beban pendinginan dan variasi komposisi refrigeran CO2 pada Musicool 134 (0% CO2, 1,5% CO2 dan 3% CO2). Pada konfigurasi tersebut, dilakukan pengukuran temperatur dan tekanan refrigeran. Hasil penelitian menunjukkan bahwa refrigeran Musicool 134 yang dicampur dengan CO2 memberikan kinerja yang menjanjikan sebagai pengganti R-134a.
RE-MAPPING ENGINE CONTROL UNIT (ECU) UNTUK MENAIKKAN UNJUK KERJA MESIN SEPEDA MOTOR Muji Setiyo; Leo Utoro
SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Vol 11, No 2 (2017): SINTEK JURNAL
Publisher : University of Muhammadiyah Jakarta

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Abstract

Motorcycles for competitive purposes require a proper adjustment of ignition to produce the most optimum performance. For this reason, this article presents one of re-mapping technique on the Stand Alone Electronic Control Unit (ECU) applied to 130 cc motorcycle injection for competition purposes. This re-mapping activity aims to produce the best torque and power output. The method used by combining four fuel mappings and two ignition mappings tested with the full factorial design. The results showed that lean combustion and advanced ignition timing were able to produce the optimum torque of 11.57 Nm and optimum power of 19.6 hp.
INVESTIGASI PENURUNAN DAYA MOBIL BERBAHAN BAKAR LPG MELALUI PENGUKURAN EFISIENSI VOLUMETRIK Muji Setiyo; Bagiyo Condro Purnomo
Prosiding Semnastek PROSIDING SEMNASTEK 2014
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Liquified Petroleum Gas (LPG) merupakan bahan bakar alternatif yang memiliki semua sifat kunciuntuk  mesin Spark  Ignition. Salah  satu  model  sistem  pemasukan  LPG  ke  mesin  adalah  denganconverter kits model vaporizer-mixer. LPG dimasukkan dalam fasa gas melalui throtle body (TB)dalam  kondisi  panas.  Kondisi  ini  akan  mengurangi  massa  aliran  udara  yang  masuk  ke  mesin,karena keduanya  (LPG  dan  udara)  dimasukkan  pada  saluran  yang  sama  pada throtle body, yangdiduga menjadi penyebab penurunan daya. Penelitian ini bertujuan untuk menginvestigasi dugaanpenurunan  daya  pada  mobil  berbahan  bakar  LPG  (TOYOTA  4A-FE  1500  cc  )  yang  disebabkanoleh  sistem  pemasukan  tersebut.    Metode  yang  digunakan  adalah  dengan  pengukuran  efisiensivolumetrik pada  dua  jenis  mode  bahan  bakar  (LPG  dan  bensin).  Pada  masing-masing  modeoperasi, dilakukan variasi bukaan throtle valve dari 8,2%, 9,2%, 10,2%, 11,2%, sampai 12,2% padadiameter airflow meter konstan. Pada konfigurasi tersebut dilakukan pengukuran aliran udara danputaran  mesin.  Dari  olah  data,  diperoleh  bahwa  kecenderungan  efisiensi volumetrik untuk  modeLPG  mengalami  kenaikan  untuk  setiap  penambahan  bukaan throttle,  yaitu  36%  @8,2%TB  dan41%  @12,2%TB.  Sementara  pada  mode  operasi  bensin  mengalami  penurunan  untuk  setiappenambahan  bukaan throttle, yaitu  37%  @8,2%TB  dan  31%  @12,2%TB.    Dari  hasil  analisislanjut, diperoleh bahwa penurunan daya pada mode operasi LPG dikarenakan pada bukaan throttlebody yang sama, mesin LPG menghasilkan putaran mesin yang lebih rendah yaitu 1690 rpm, @12,2%TB sementara mode operasi bensin menghasilkan 220 rpm @ 12,2%TB.
Co-Authors Abdul Wahid Jamin Aditya Kolakoti Aditya Kolakoti Aditya Kolakoti Agung Setyo Pambudi Agus Setiawan Ahmad Irfan Al Husaeni, Dwi Fitria Al-Obaidi, Abdulkareem Sh. Mahdi Alper Calam Ambati Vijay Kumar Aminuyati Amir Amir Andi Widiyanto Andrizal Andrizal Andy Efendi Anindito, Dhimas Cahyo Anwar Anwar Anwar Anwar Arif Hidayat Asep Bayu Dani Nandiyanto Asnil Asnil Atanasius Priharyoto Bayuseno Azizah Azizah Azizah, Renata Lintang Azmi, W. H. Azuan Ahmad Bagas Arif Prasetyo Baginda Pangidoan Tanjung Bagiyo Condro P Bagiyo Condro Purnomo BAGYO CONDRO P Bambang Sudarmanta Battal Doğan Bobbili Prasadarao Budi Waluyo Budi Waluyo Capilayan, Mycel A. Chrisna Bagus Edhita Praja Cionita, Tezara Damar Setyo Prakasa Darmawan Rois David Prayogo Derviş Erol Dhandapani, Sathish Dhasa Ikrar Setyanansyach Dhasa Ikrar Setyanansyach Dhimas Cahyo Anindito Dori Yuvenda Dwi Ahmad R Dwi Ahmad Rizani Dwi Restianto Dwi Sudarno Putra Eko Muh Widodo Fahrizin, Nazar Fardinansyah, Akmal Putra Fidelis Ibiang Abam Fitriyana, Deni Fajar Fungky Dyan Pertiwi Fungky Dyan Pertiwi Gaga Putra Setiawan Geeri, Satish Gozali, Muchamad Gunawan Refiadi Hadi, Agung Efriyo Hary Abdul Hakim Hasan Köten Hedi Purnomo Helen Riupassa Hendry Y. Nanlohy Heni Lutfiyati, Heni Heni Setyowati Esti Rahayu Husaeni, Dwi Novia Al Ilham Habibi Ilham Habibi, Ilham Imran, Al Ichlas Indra Chandra Setiawan Istiqomah, Alfiana Fitri Jamaludin Jamaludin Jamiluddin, Jamiluddin Junid, Ramli Karmiadji, Djoko Wahyu Katakam Satyanarayana Khoirudin Khoirudin, Khoirudin Khoirul Fa’i Kivevele, Thomas Kolakoti, Aditya Koto, Rahmat Desman Krismadinata Krismadinata Kusumadewi, Tri Vicca Laksono Trisnantoro Lalank Samudra Mukti Hidayat Leo Utoro Lilik Budiyarto Luki Fahmi Luthfi, Akbar Lutifyati, Heni Macmanus Chinenye Ndukwu Madihah Mohd Saudi Marcin Noga Marliyati Marliyati, Marliyati Martias Martias Mat Rejab, Mohd. Ruzaimi Mehmet Akçay Metta Raghu Moehamad Aman Mohamad Agus Ramly Muchamad Gozali Muhammad Imron Rosyidi Muhammad Iqbal Al-Fikri Muhammad Kunta Biddinika Muhammad Latifur Rochman Muhammad Luthfi Muhammad Mauludin Kharim Muhammad Rizal I Muhammad Rizal Ibrahim Murugan, Veeramanikandan Nanang Apriandi Nasmi Herlina Sari Nor Azwadi Che Sidik Noto Widodo Noto Widodo Noto Widodo Nursafitri, Murti Ayu Nursaputro, Septiantar Tebe Obaidi, Abdulkareem Sh. Mahdi Al Oki Muraza Oktavi Barkah Lukmana Oliver Ibor Inah Olusegun David Samuel Olusegun David Samuel Onyishi Donatus Uchechukwu Peeie, Mohamad Heerwan Bin Pirouzfar, Vahid Prasasti Bayu Aji Pramono Prasetyo, Bagas Arif Prima Nofan Ryastama Purnomo, Hedi Purnomo, Tuessi Ari Purwanto, Wawan Putra, Randi Purnama Ragadhita, Risti Raghu Metta Ragil Widyorini Rahadian Zainul Rahmawan, Muhammad Andi Raja, Thirunavukkarasu Ramli Junid Ray Adhan Brieghtera Refaldy Pristiwantoro Remon Lapisa Remy Uche Rifky Ismail Rifqi Nugroho Riyan Adhy Pratama Riyan Tri Aditya Pamungkas Rizani, Dwi Ahmad Rochman, Muhamad Latifur Roni Muhammad Susanto Rosyidi, Muhammad Imron Rozanna Dewi Rusdjijati, Retno Saifudin Saifudin Saifudin Saifudin Salih Özer Sarikoc, Selcuk Setiawan, Indra Chandra Setyo Widiantoro Shyu, Jin Cherng Siregar, Januar Parlaungan Sofyan Kurniawan Sri Rizki Putri Primandari Sukarman Sukarman Sulistyo Sulistyo Sumarno Adi Subrata Sunaryo Sunaryo Sunaryo Suroto Munahar Susanto, Roni Muhammad Suyitno Suyitno Thirunavukkarasu Raja Thirunavukkarasu Raja Thomas Kivevele Tuessi Ari Purnomo Tymofiiv, Volodymyr Vahid Pirouzfar Wagino Wahyu Danu Romadlon Wahyu Sulistiyo Widha Bagus Fahriansyah Yun Arifatul Fatimah Yusuf Dewantoro Herlambang Zainal Arifin Zulfikar Bagus Pambuko