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All Journal BERKALA SAINSTEK Jurnal technoscientia Prosiding Semnastek e-Jurnal Arus Elektro Indonesia Proceeding of the Electrical Engineering Computer Science and Informatics Journal of Mechanical Engineering Science and Technology JURNAL TEKNOLOGI TECHNOSCIENTIA Unram Journal of Community Service (UJCS) Jurnal Nasional Teknik Elektro dan Teknologi Informasi PAPUMA: Journal of Comunnity Services
Azmi Saleh
Jurusan Teknik Elektro, Fakultas Teknik, Universitas Jember (UNEJ) Jln. Kalimantan 37, Jember 68121
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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REKONFIGURASI JARINGAN DISTRIBUSI DAYA LISTRIK PADA PENYULANG PAKUSARI UNTUK MENGURANGI RUGI-RUGI DAYA DENGAN METODE ANT COLONY OPTIMIZATION (ACO) Yanuarta, Dana Dwi; Prasetyono, Suprihadi; Saleh, Azmi
BERKALA SAINSTEK Vol 3 No 1 (2015)
Publisher : Universitas Jember

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

Abstract

Pada penelitian ini dijelaskan solusi meminimalkan rugi-rugi daya listrik pada jaringan distribusi yaitu dengan caramerekonfigurasi penyulang yang berpedoman bahwa semakin pendek konduktor yang digunakan, maka rugi-rugi daya yangterjadi akan semakin minimal. Rekonfigurasi dilakukan dengan cara menambahkan cabang baru yang dapat menggantikancabang lama yang terlalu panjang. Metode optimasi yang digunakan adalah metode Ant Colony Optimization (ACO) yangdijalankan pada program matlab. Metode ini mempelajari perilaku semut pada dunia nyata yang berjalan dari sarang menujumakanan. Pada awalnya beberapa semut berjalan secara acak mencari makanan sambil meninggalkan jejak pheromone, salahsatu semut tidak sengaja menemukan jalur terpendek menuju makanan. Jalur terpendek lebih sering dilalui dari pada jaluryang lebih panjang, sehingga memiliki intensitas lebih besar. Akibatnya semut-semut lain mengikuti jalur terpendektersebut.
PELATIHAN AKLIMATISASI ANGGREK Dendrobium BAGI REMAJA MUSALA DARUL IMAN KECAMATAN SUMBERSARI JEMBER Restanto, Didik; Dewanti, Parawita; Handoyo, Tri; Soeparjono, Sigit; Hartatik, Sri; Slameto, Slameto; Siswoyo, Tri Agus; widjayanthi, Lenny; Avivi, Sholeh; Wulanjari, Distiana; Saleh, Azmi; Hazmi, Muhammad
PAPUMA: Journal of Community Services Vol. 2 No. 01 (2024): April 2024
Publisher : Program Studi Agronomi Fakultas Pertanian Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/papuma.v2i01.834

Abstract

The Dendrobium sp orchid is an orchid that is suitable for living in equatorial areas because it requires full light. Acclimatization is a very important stage for future orchid development. The aim of this service is to provide training to member of the Musala Darul Iman to understand orchid acclimatization techniques which can be used as equipment in orchid agribusiness. From the results of this trial, the audience's enthusiasm was obtained in listening to the lecture and practice, both in cultivation and agribusiness. Seedlings to be acclimatized should be healthy and perfect, good technique of transferring to a soft pot must be solid, watering was done after 7 days to give the root system the opportunity to develop well and required high levels of patience.
Innovation of Silicon Fertilizer Based on Agricultural Waste to Address Fertilizer Scarcity in the Harapan Jaya Farmer Group, Pamekasan Sundahri, Sundahri; Saleh, Azmi; Harsanti, Restiani Sih; Fariroh, Indri; Munandar, Denna Eriani; Musyaffa', Hudzaifah; Pramudya, Frisco Sendy; Suwono, Hadi; Wati, Henny Diana; Maulidi, Fathoni Ilham; Maharani, Aulia Febrina
Unram Journal of Community Service Vol. 6 No. 1 (2025): March
Publisher : Pascasarjana Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ujcs.v6i1.846

Abstract

The relatively high price of inorganic fertilizers means that members of the Harapan Jaya Farmer Group are unable to optimally meet their fertilizer needs. On the other hand, farmers have not been able to process their agricultural waste properly which is generally only by burning. This method is not environmentally friendly because it can pollute the air, lose its nitrogen content and kill soil organisms that are useful for plants. In fact, there is no return of crop residues to the land. This condition can cause soil fertility to decrease and requiring more fertilizer inputs. This additional input has an impact on increasing the cost of farming. To solve above problems, this community service program had been undertaken in April to November 2024 through counseling, training and mentoring to farmers who are members of the farmer group as the partner in this program. The focus of this program was mainly on the management of gramine crop waste such as rice and corn which absorb very high silicon element. The results of this service showed that the training participants were very enthusiastic in attending the counselling and could absorb the presented materials. Almost all participants were able to overcome the techniques or methods in the process of making silicon fertilizer during the training. In addition, they were also very interested in trying the fermented and well-designed fertilizer based on the respondent’s assessment. However, applying fertilizer in the form of demo plots requires separate planning in the future because the process of making silicon fertilizer takes very long time.
Investigation of Drag Force and Downforce on Two Racing Motorcycles in Slipstream Conditions Hanifudin, Muhamad; Jatisukamto, Gaguk; Darsin, Mahros; Kustanto, Muh. Nurkoyim; Saleh, Azmi; Prasetyono, Suprihadi; Sarwono, Catur Suko
Journal of Mechanical Engineering Science and Technology (JMEST) Vol 9, No 1 (2025)
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um016v9i12025052

Abstract

The performance of modern racing motorcycles is greatly influenced by their aerodynamics. Slipstreaming occurs during a race when a rider closely follows another, especially on a straight track. The effect can reduce aerodynamic drag and increase the overall speed of the rider behind. This study investigates the aerodynamic effects of slipstreaming on a racing motorcycle using computational fluid dynamics. This study also considers its effect on both drag force and downforce, which affects motorcycle stability. A 3D CAD model of a racing motorcycle and a rider in a crouching position was used as the object of research. CFD simulations were carried out using the RANS Steady State solver with the k-ω-SST turbulence model. The simulations evaluated the effect of varying distances between motorcycles on slipstream performance, as well as varying motorcycle speeds. The results show the effect on drag force and downforce for the trailing motorcycle. This is due to the shielding effect of the motorcycle in front, which creates a low-pressure zone behind it. Additionally, the turbulence behind the racing motorcycle also affects its downforce. Optimizing the distance between motorcycles in the slipstream allows riders to improve overtaking performance. It also reduces adverse effects on motorcycle stability caused by the slipstream's influence on downforce. Furthermore, it can be used to develop aerodynamic modifications to racing motorcycles that can utilize the slipstream more effectively.
Pemodelan Bidirectional Converter DC-DC Menggunakan Fuzzy Logic Pada Sistem Micro-Grid Dengan PLTS dan PLN Saleh, Azmi; Asmara, Ellend Sekar Ayu; Prasetyono, Suprihadi
Jurnal Arus Elektro Indonesia Vol. 10 No. 3 (2024)
Publisher : Fakultas Teknik, Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jaei.v10i3.46417

Abstract

Berkurangnya bahan bakar jenis fosil membuat para ahli saat ini mulai meneliti untuk menggunakan energi alternative. Salah satu dari energi alternatif yang saat ini banyak digunakan adalah pembangkit listrik.Sumber energi termasuk matahari, angin, pasang surut gelombang air laut, dan juga biomasa saat ini mulai diteliti untuk menggantikan fosil sebagai bahan bakar utama. Indonesia merupakan negara tropis yang memiliki matahari sepanjang tahun. Sehingga ketersediaan matahari akan menjadi melimpah. Salah satu upaya pemanfaatan matahari sepanjang tahun ini adalah dengan menggunakan matahari sebagai pembangkit energi listrik.Keandalan energi matahari sangat bergantung pada iklim dan cuaca pada suatu daerah sehingga tidak dapat diprediksi. Sehingga dibutuhkan hibridasi dari sumber dan juga penyimpanan daripada energi tersebut. Konsep hybrid ini merupakan kombinasi dari sumber dan penyimpanan energi yang akan disesuaikan dengan kebutuhan dan ketersediaan. Menggunakan Bidirectional converter yang dikontrol menggunakan fuzzy logic controller dapat membuat system dengan dua sumber yaitu PLTS dan PLN dapat dimanfaatkan untuk supplai beban dan pengisian baterai sehingga system berjalan lebih optimal.
Studi Teknis dan Ekonomis PLTS Atap Kapasitas 38,2 KWp Alvriyanto, Bunga Jasmine; Hardianto, Triwahju; Saleh, Azmi; Widjanarko, Widjanarko; Gozali, RB. Moch.
Jurnal Arus Elektro Indonesia Vol. 10 No. 3 (2024)
Publisher : Fakultas Teknik, Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jaei.v10i3.46617

Abstract

Studi ini menganalisis pemasangan Sistem PLTS atap pada Gedung IsDB Integrated Laboratory for Engineering Biotechnology Fakultas Teknik Universitas Jember. Gedung tersebut memiliki luas bangunan 4.888 m2 dengan pemanfaatan ruangan sebesar 64%. Listrik Gedung ini dipasok dari PLN sebagai pelanggan kategori LS-3 dengan daya terpasang 690.000 VA dan biaya pembayaran Rp. 2.032,-/kWh. Tagihan listrik gedung tersebut mencapai Rp. 849.611.700. Data beban listrik dicatat secara otomatis menggunakan sistem Automatic Meter Reading (AMR), dengan profil konsumsi tertinggi pada pukul 12.00 WIB sebesar 51,8 kWh dan terendah pada pukul 6.00 WIB sebesar 27,5 kWh. Desain PLTS atap gedung ini menggunakan software Helioscope dengan kapasitas 38.2 kWp dan produksi tahunan sebesar 46,12 MWh. Dalam Permen ESDM No. 21 tahun 2021, energi PLTS yang dapat dijual mencapai 100% dari hasil produksi. Penggunaan listrik yang belum maksimal dan tagihan listrik di bawah rekening minimum memungkinkan energi berlebih dapat dijual ke PLN dengan perkiraan pendapatan Rp93.310.066 per tahun. Investasi total pemasangan PLTS atap gedung ini adalah Rp. 544.236.000. Hasil analisis menunjukkan parameter investasi yang layak, dengan Net Present Value (NPV) positif sebesar Rp. 534.162.123, indeks profitabilitas (Profitability Index) sebesar 1,98, dan Payback Period (PBP) sebesar 8,5 tahun. Hasil tersebut menunjukkan nilai yang lebih kecil dari umur investasi 25 tahun yang direncanakan. Kata Kunci — helioscope, net present value, panel surya, Payback Period, plts atap, Profitability Index
Co-Authors AHMADI, SOFYAN Alvriyanto, Bunga Jasmine Anam, Khairul Asmara, Ellend Sekar Ayu Bambang Sri Kaloko Catur Suko Sarwono Dedy Kurnia Setiawan Faisyal Rahman, Faisyal Gaguk Jatisukamto Gozali, RB. Moch. Hadi Suwono Hanifudin, Muhamad Hapzi Ali Harsanti, Restiani Sih HARYONO Iswahyudi Yudi Khairul Anam Kustanto, Muh. Nurkoyim Lenny Widjayanthi Luh Putu Ratna Sundari Maharani, Aulia Febrina Mahros Darsin Maulidi, Fathoni Ilham Mohamad Choirul Anwar Muhammad Hazmi Munandar, Denna Eriani Musyaffa', Hudzaifah Parawita Dewanti Pramudya, Frisco Sendy Restanto, Didik Sholeh Avivi Sigit Soeparjono Slameto Slameto Sri Hartatik Sundahri, Sundahri Suprihadi Tabarok, Dony Kurniyawan Tri Agus Siswoyo TRI HANDOYO Triwahju Hardianto Wati, Henny Diana Widjanarko Widjanarko, Widjanarko Widyono Hadi Wulanjari, Distiana Yanuarta, Dana Dwi Yudi, Iswahyudi Yuski, Moh. Nur