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All Journal Jurnal Transportasi Jurnal Mahasiswa Matematika Journal of Engineering and Management in Industrial System Jurnal POINTER Rekayasa Sipil Jurnal Optimasi Sistem Industri Jurnal Rekayasa Sipil (e-journal)
Sobri Abusini
Prodi Matematika Jurusan Matematika FMIPA Universitas Brawijaya
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Environmental Science Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Transportation

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PEMBUATAN PROGRAM APLIKASI SIMPLEKS DENGAN DELPHI UNTUK MENENTUKAN PEMENUHAN NUTRISI KOMPOSISI PAKAN TERNAK Rosyida, Indah Cahyani; Marsudi, Marsudi; Abusini, Sobri
Jurnal Mahasiswa Matematika Vol 1, No 5 (2013)
Publisher : Jurnal Mahasiswa Matematika

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IMPLEMENTASI MODEL CAPACITATED VEHICLE ROUTING PROBLEM PADA PENGIRIMAN PUPUK UREA BERSUBSIDI Awansari, Septy Ayu; Abusini, Sobri
Jurnal Mahasiswa Matematika Vol 1, No 5 (2013)
Publisher : Jurnal Mahasiswa Matematika

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APLIKASI PREEMPTIVE GOAL PROGRAMMING DALAM MENGOPTIMALKAN PRODUKSI Yulistiana, Rizka Yaya; Abusini, Sobri; Widodo, Agus
Jurnal Mahasiswa Matematika Vol 2, No 2 (2014)
Publisher : Jurnal Mahasiswa Matematika

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MODEL KECELAKAAN SEPEDA MOTOR PADA RUAS JALAN DENGAN MENGGUNAKAN PENDEKATAN GLM Sobri Abusini; Harnen Sulistio; Achmad Wicaksono
Jurnal Transportasi Vol. 10 No. 2 (2010)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (57.962 KB) | DOI: 10.26593/jtrans.v10i2.387.%p

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In this study, traffic accidents occurred on roads in Batu, East Java, were observed. Based on these traffic accident data, a model was built to relate the number of motorcycle accidents with the availability of road shoulders, traffic flow, and traffic speed. The results indicate that the availability of road shoulders potentially reduce the number of motorcycle accidents. Conversely, increasing the speed and traffic flow potentially increase the number of motorcycle traffic accidents on the roads in Batu.Keywords: motorcycle accidents, road shoulders, traffic flow, traffic speed
ANT COLONY OPTIMIZATION WITH DOUBLE SELECTIONS FOR SOLVING INTEGRATED SCHEDULING PROBLEM IN MANUFACTURER Sobri Abusini; Mita Akbar Sukmarini; Corina Karim
Journal of Engineering and Management in Industrial System Vol 7, No 1 (2019)
Publisher : Badan Penerbit Jurnal, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jemis.2019.007.01.4

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In this paper, we studied ant colony optimization for solving integrated scheduling of production and distribution problems. We improved the ant colony optimization by adding double selections, there are, roulette wheel and elitism selections. Roulette wheel selection is used to determine the path where ants pass through before knowing pheromone information in that path. Meanwhile, elitism selection is used to keep the best solution before the more optimum solution obtained. Then, ant colony optimization and improved ant colony optimization are implemented in solving integrated scheduling of production and distribution problem in PT. BFPI. The aim of this paper is to achieve optimum production and distribution schedule in order to minimize the total cost of production and distribution. We also compare performance of both applied methods and draw the conclusion. The results show that the method we proposed has more advantage.
Simulasi Model Kecelakaan Sepeda Motor Pada Ruas Jalan dengan Pendekatan GLM (Studi Kasus di Kabupaten Malang) Sobri Abusini; Harnen Sulistio
Jurnal POINTER Vol 1, No 1 (2010): Jurnal Pointer - Ilmu Komputer
Publisher : Ilmu Komputer, Universitas Brawijaya

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Abstract Models in mathematic is a media to help and that can be used for simplifying a reality, so that it will make an easier understanding on a complexs phenomenon. Transportation models is a model that can be used for explaining the transportation phenomenon with mathematic equation models. Based on the accident data, the number of traffic accident in Malang Residence is considered to be high. Therefore, in this study, the objective is to develop the Generalized Linear Model for motorcycle accident for Malang Residence in East Java Province. Using some statistical analysis it is found that the best-fit motorcycle accident model  is : Where : Acc = 0.009F0.703 exp(-0.334SW - 0.361G + 0.077S)Acc                = number of accident F             = Flow, pcu/hr SW         = shoulder width, m S             = speed, km/hr G            = Gradient (0,1) The model shows that the affecting factors are flow, shoulder width and speed, therefore local government should improve some related factor (flow, shoulder width, Gradient and speed) that can reduce the number of motorcycle accident at crossing road in Malang Residence. Keywords: Model kecelakaan sepeda motor, General Liniearized Model
Dampak Pemberlakuan Kebijakan Sepeda Motor Menyalakan Lampu Utama Terhadap Pengurangan Kecelakaan Di Kota Surabaya Arief Agus Marwan; Achmad Wicaksono; Sobri Abusini
Rekayasa Sipil Vol 9, No 2 (2015)
Publisher : Department of Civil Engineering, Faculty of Engineering, University of Brawijaya

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Tingginya angka kecelakaan lalu lintas di Indonesia menurut data Direktorat Jenderal Perhubungan Darat Departemen Perhubungan adalah rata-rata korban meninggal dunia dalam 1 tahun sejumlah 10.696 jiwa. Keselamatan lalu lintas dengan memperhatikan banyak faktor tersebut telah diatur dalam UU, salah satunya adalah UU No. 22 Tahun 2009 yaitu kewajiban pengendara sepeda motor untuk menyalakan lampu pada siang hari terdapat pada Pasal 107 ayat (2). Dengan adanya pasal tersebut, mewajibkan pengendara sepeda motor untuk menyalakan lampu kendaraannya pada siang hari namun dalam kenyataannya masih banyak pengendara sepeda motor yang tidak menjalankan peraturan tersebut. Dari hasil analisis yang dilakukan, adanya peraturan tersebut terbukti mengurangi angka kecelakaan. Sebelum tahun 2009, grafik kecelakaan meningkat hingga mencapai 562 kecelakaan di Kota Surabaya, pada tahun 2010 setelah adanya peraturan UU No. 22 Tahun 2009, angka kecelakaan menurut mencapai angka 294. Sehingga, UU terbukti efektif mengurangi angka kecelakaan. Kemudian berdasarkan hasil analisis IPA, menurut persepsi masyarakat, variable yang dianggap penting tetapi memberikan kepuasan yang rendah adalah sosialisasi pentingnya menyalakan lampu kendaraan roda 2. Berdasarkan hasil analisis SWOT, arahan kebijakan yang tepat adalah dengan melakukan sosialisasi pentingnya menyalakan lampu utama kendaraan roda dua di siang hari oleh petugas berwenang, serta diberikannya sanksi tegas kepada pengendara sepeda motor yang tidak mentaati aturan standar berlalu lintas, dan melakukan razia terhadap kendaraan kendaraan yang mengganti lampu utama dengan lampu lain yang tidak sesuai standar. 
Kajian Efektifitas Operasional Terminal Madyopuro Malang Anang Bakhtiar; Harnen Sulistio; Sobri Abusini
Jurnal Rekayasa Sipil Vol 2, No 1 (2014): Jurnal Rekayasa Sipil
Publisher : Universitas Islam Malang

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Madyopuro terminal is sub-terminal and based on information from relevant official that Madyopuro terminal can be classified in the C-type terminals that serve the transportation route in the town and village (31 KM 1995). The existence of various activity centers, one of which is the Madyopuro  market  located adjacent to the Madyopuro terminal should make the effectiveness of   Madyopuro terminal, but in fact,  it is not   effective.   From this background, it is formulated the problem  about what factors influence the effectiveness operasioanl of  Madyopuro terminal Malang, how is the  relationship model between  effectiveness operational  of Madyopuro-terminal Malang with variable facilities, accessibility, services and terminal security and how is  recommendations  of the performance improvement, to the effectiveness operational  of  terminal  of Madyopuro- Malang.  The study was conducted using IPA analysis to determine the factors that affect the effectiveness operational of the terminal, the model and SWOT analysis to get recomendation that resulted. In the first  stages, we did survey related with  influential variables, namely facilities, accessibility, and security services.   From the study, it is conclude that based on the analysis of  IPA found that the factors that influence the effectiveness of terminal services of  Madyopuro-Malang is the arrival and  the departure path, where the waiting room of passangers / companion, vehicle parking and security control of the user, the driver and related official. Model of the relationship of the study was obtained Ymodel = -0.460 + 0.598 X1 + 0.320 X3.While the Ymodel is effectiveness operational of the terminal  and X1 is variable of facility and X3 are variable of  services. From the results of the analysis show that the effectiveness of the terminal with two related variables, namely facilities and services showed a siqnifikan. This is indicated by the value of R2 from 0.868 shows the effect of the relationship is defined by 86.8%. Recommendations  resulting from this study is facility that  needed  to be increase in  improvement of the terminal operational  is an improvement on arrival and departure paths, providing a passenger waiting / delivery, as well as providing vehicle parking lot.  Keywords: effectiveness, Madyopuro terminal, IPA, SWOT
Kajian Audit Keselamatan Jalan Raya Kapongan Kabupaten Situbondo Muh. Yusuf Usman; Harnen Sulistio; Sobri Abusini
Rekayasa Sipil Vol. 8 No. 3 (2014)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

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Abstract

Kecelakaan lalu lintas di jalan raya pada dekade 10 tahun terakhir telah sangat memprihatinkan. Tidak pernah satu hari terlewatkan tanpa adanya kecelakaan.Kabupaten Situbondo merupakan salah satu kabupaten di Provinsi Jawa Timur, yang terletak di pesisir pantai utara pulau Jawa dan merupakan jalur penghubung provinsi yang sering kita kenal jalur pantura (Pantai Utara). Kepadatan volume lalu lintas di dikarenakan banyaknya kendaraan barang ataupun kendaraan penumpang umum seperti bus AKAP atau AKDP yang melewati jalur tersebut. Meningkatnya volume lalu lintas ini merupakan faktor penyebab meningkatnya tingkat kecelakaan di kabupaten Situbondo.Dari hasil analisis-analisis yang telah dilakukan dalam penelitian ini terdapat beberapa hal yang dapat dijadikan kesimpulan, antara lain trend kecelakaan terbanyak, kecelakaan dalam rentang waktu 5 tahun berfluktuasi, terjadi pada tahun 2012 mencapai 517 kejadian. Dari hasil pelaksanaan Audit Keselamatan Jalan, pada STA 200+300 marka jalan sudah mengelupas, hilang, sehingga perlu dilakukan pengecatan ulang serta masih banyak obyek pinggir jalan yang berbahaya (Roadside Hazardous Object) seperti tiang lampu penerangan jalan, tiang rambu lalu lintas, dan pepohonan. Rekomendai penanganan pada lokasi studi yaitu sebelum memasuki tikungan simpang pasar (STA 200+300) perlu dipasang alat pengendali kecepatan (speed humb) dan rambu peringatan. 
Model Peluang Kecelakaan Mobil Penumpang pada Ruas Jalan Nasional Gempol Kabupaten Pasuruan Vicitra Pradyavita; Muhammad Zainul Arifin; Sobri Abusini
Rekayasa Sipil Vol. 17 No. 2 (2023): Rekayasa Sipil Vol. 17 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2023.017.02.16

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The increase in accidents is caused by a vehicle, humans, roads, and environmental factors. On the gempol national road in Pasuruan,Regency,0this;study;aims,to;identify;the;characteristics;of,car,drivers, roads, and opportunity models that cause accidents. Data analysis using Structural Equation Modeling (SEM) included 243 questionnaires of drivers who had experienced accidents. Road Characteristics based on user perceptions that focus on geometric conditions at the accident site are the most prevalent accident modeling results that affect accident intensity. If we want to reduce accident rates, we should prioritize addressing geometric conditions at accident sites, as well as socializing traffic awareness and installing signs in accident-prone areas.
Co-Authors A. Surbakti, Eka AGUS WIDODO Anang Bakhtiar Arief Agus Marwan Awansari, Septy Ayu Buana, Kharisma Madu Cholida Usi Wardani Corina Karim Dewi, Indah Mustika Fardan T., Mohammad Harnen Sulistio Harnen Sulistio Harnen Sulistio Kusumayadi SPL, Eko Alan Kwardiniya Andawaningtyas Marjono, Marjono Marsudi, Marsudi Mita Akbar Sukmarini Muh. Yusuf Usman Muhammad Zainul Arifin Narindri, Garnissa Harnum Niluh Resti, Nalsa Cintya Rohima, Ayuhan Nur Rosyida, Indah Cahyani Salim, Ony Lilis Sari, Candra Kurnia Vicitra Pradyavita Wicaksono, Achmad Yulistiana, Rizka Yaya