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All Journal Jurnal Teknik Industri Jurnal Teknoin J@TI (TEKNIK INDUSTRI) Techno.Com: Jurnal Teknologi Informasi JISI UMJ (Jurnal Integrasi Sistem Industri UMJ) Jurnal Optimasi Sistem Industri REKAYASA Jurnal Aplikasi Bisnis dan Manajemen (JABM) E-Journal Jurnal Ilmiah Teknik Industri MIX : Jurnal Ilmiah Manajemen OPERATION EXCELLENCE: Journal of Applied Industrial Engineering AdBispreneur JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING JRSI (Jurnal Rekayasa Sistem dan Industri) Wikrama Parahita : Jurnal Pengabdian Masyarakat Tekinfo | Scientific Journal of Industrial and Information Engineering PERFORMA : Media Ilmiah Teknik Industri Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri JURNAL REKAYASA SISTEM INDUSTRI Jurnal INTECH Teknik Industri Universitas Serang Raya Matrik : Jurnal Manajemen dan Teknik Industri Produksi SEMAR Automotive Experiences Makara Journal of Technology Proceeding ISETH (International Summit on Science, Technology, and Humanity) JURNAL TEKNIK INDUSTRI Metris: Jurnal Sains dan Teknologi
Yuniaristanto Yuniaristanto
Universitas Sebelas Maret
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Journal : REKAYASA

 1 
A DISTRIBUTION PLANNING MODEL FOR SUBZIDED-FERTILIZER SUPPLY CHAIN PLANNING CONSIDERING QUOTA ALLOCATION: A CASE STUDY Sutopo, Wahyudi; Yuniaristanto, Yuniaristanto; Pramono, Wakit
Rekayasa Vol 4, No 1: April 2011
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (250.088 KB) | DOI: 10.21107/rekayasa.v4i1.2325

Abstract

Makalah ini membahas studi dunia nyata masalah perencanaan distribusi pupuk bersubsidi. Salah satu perusahaan pupuk nasional bahasa Indonesia memiliki kewajiban mendistribusikan pupuk bersubsidi-menjadi 15 kabupaten/kota di Propinsi Jawa Tengah. Perusahaan harus memenuhi permintaan pupuk bersubsidi-melalui saluran distribusi terkendal tingkat ketiga seperti lini I (pabrik), lini II (gudang provinsi), dan lini III (gudang kabupaten/kota). Lini I memasok lini II dan III dengan jumlah lebih besar dari pasokan dibandingkan dengan alokasi kuota yang sebenarnya berdasarkan keputusan gubernur. Pada kebijakan sebelumnya lini I mensuplai lini II dan III dengan stock pengaman untuk mengantisipasi permintaan selama 2 minggu dari distributor. Karena perubahan musim panen dan fluktuasi permintaan, lini II tidak dapat memenuhi permintaan dengan jumlah yang tepat, tempat, dan waktu. Kinerja pada tahun sebelumnya lebih dari 10% dari deviasi standar antara keputusan gubernur dan realisasinya. Fenomena ini menyebabkan meningkatnya biaya logistik seperti pemesanan, biaya transportasi, dan biaya simpan. Tujuan dari penelitian ini adalah untuk mengembangkan model untuk mendukung perusahaan untuk menentukan ukuran lot optimal dari lini II untuk berbaris I, dan safety stock pada Garis II dan III untuk meminimalkan biaya logistik. Sebuah model non-linear programming (MINLP) diusulkan untuk memecahkan masalah ini dengan mempertimbangkan metode peramalan baru untuk menghitung alokasi kuota. Ada lima kelompok kendala termasuk kapasitas gudang, kapasitas kendaraan, kuota, persediaan, dan variabel biner. Studi ini memberikan manfaat lebih dari 9% dari biaya logistik. Kata kunci: perencanaan distribusi, biaya logistik, ukuran lot, mixed integer non-linear programming, safety stock, subsidi-pupuk.  AbstractThis paper investigates a real-world case study of a subsidized-fertilizer distribution planning. One of Indonesian national fertilizer company has an obligation distributing subsidized-fertilizer to 15 regency/municipality in Central Java Province. The company has to fulfill the demand of subsidized-fertilizer through a third-level controlled-distribution channels such as line I (factory), line II (province’s warehouse), and line III (regency/municipality warehouse). Line I supplies line II and line III with higher amount of supply compare to the actual quota allocation based on the governor’s decree. In the previous policy, line I supplied line II and line III with safety stocks to anticipate the demand for 2 weeks of distributors. Due to the changing of harvest season and demand fluctuation, line II cannot fulfill the demand with exact amount, place, and time. The performance at previous year is more than 10% of standard deviation between the governor’s decree and the realization. This phenomenon causes the increasing of logistic costs such as ordering cost, transportation cost, and holding cost. The objective of this research is to develop a model for supporting company to decide the optimal lot size from line II to line I, and safety stock at Line II and III in order to minimize logistic costs. A mixed integer non-linear programming (MINLP) was proposed to solve this problem by considering a new forecasting method to calculate the quota allocation. There are five groups of constraints including warehouse capacity, vehicle capacity, quota, inventory, and binary variable. This study gives more than 9% benefit of logistic costs. Keywords: distribution planning, logistic costs, lot size, mixed integer non-linear programming, safety stock, subsidized- fertilizer.
Co-Authors Aditha Capryani Aditya Isnaini Setyargo Putri Aditya Pradana Aditya, Muhammad Hafiz Akbar, Chaidir Aldi Pascagama Nurrachman Alviandi Wahyu Nugroho Amelia Rahma Dhani Mandala Ananda Noor Sholichah Anik Septiani Anisa Agustina Anissa Rianda Putri Anita Andria Sari Ardy Denta Utama Ari Nugroho Astuti, Rina Wiji Aurelia Salsabila Putri Ayu Setiawati Ayusya Khoirun Nisa Azizah Aisyati Azizah Aisyati Azizah Aisyati Azizah Aisyati Azizah Hadny Quarrota A'yun Azmi Mas’ud Bambang Suhardi Bellinda Ratih Puspasari Chaidir Akbar Cucuk Nur Rosyidi Dana Prianjani Danang Miftahudin Pratama Diah Rahmanasari Diesya, Stephani Donar Setyajid Carel Dwi Indah Maryanie Dwi Setyo Sulisityono Dwi Setyo Sulistyono Dyan Parardyo S Edi Hartono Edi Hartono Edwin Fakhrul Arifin Eko Liquiddanu Enggar Wahyu Wulaningtyas Era Febriana Aqidawati Erwin Zakiyah Euis Nurlathifah Evizal Abdul Kadir Fadhil Rafi Hidayat Fakhrina Fahma Fakhrina Fahma Fakhrina Fahma Fakhrina Fahma Fathin Kusumo Pramesti Pudjiantoro Fauzan Azmi Febriana Kusumawardani Ferry Dimas Prakoso Fiko Erisa Fatq Fitri Nurul Firdaus Frisca Pomalia Galuh Qodrina Hamada, Aulia Hanif Ardian Hisjam, Muhammad I Wayan Suletra I Wayan Suletra I Wayan Suletra I Wayan Suletra Indah Kurniyati Iqbal Wahyu Saputra Irfan Hilmi Hamdani Irfan Nurdiansah Irwan Iftadi Irwan Iftadi Jeehad Muhammad Joshua Vicky Karunia Prasetyawan Levinia Dian Laraswati Levinia Dian Laraswati, Levinia Dian Lsa Aldira Hafidza M. Hisjam Mahesa Jenar Martha Widhi Dela Utami Maulana Ichwan Anshory Maulidina Khairannisa Nunuh Meidi Putri Ariyani Meidiana Faras Isnafitri Muh. Hisjam, Muh. Muhammad Abyan Naufal Muhammad Hisjam Muhammad Hisjam Muhammad Hisjam Muhammad Hisjam Muhammad Hisjam Muhammad Hisjam Muhammad Hisjam Muhammad Hisyam Muhammad Iqbal Sulistyo Putra Muhammad Iqbalnur Muhammad Iriandru Pradipta Muhammad Reza Kusuma Wardana Munifah Munifah Muryastuti, Karina Naufal Ammar Niken Aristyawati Nina Salsabila Sulistiani Nino Rahadian Nuzulia Khoiriyah Octavia Riskadayanti P., Yogie Budi Pangaribuan, Evonella Poppy Nandasari Pramono, Wakit Priyandari , Yusuf Pujiyanto, Eko Putri, Aditya Isnaini Setyargo Ramadhany A. T. Rasyid Yudhistira Ratnasari, Sintya Renny Rochani Retno Wulan Damayanti Rina Wiji Astuti Risya Zeline Rochani, Renny Romi Primadian Roni Zakaria Roni Zakaria Roni Zakaria Roni Zakaria R. Roni Zakaria Raung Roni Zakaria Roni Zakaria Roni Zakaria Zakaria Sakinah Sakinah Sakti Arya Wiseka Sayyidah Maulidatul Afraah Sayyidah Maulidatul Afraah Sayyidah Maulidatul Afraah Selvia Mayangsari Sherlinta Immanuella Silvi Istiqomah Sofyan Arifin Sri Yohana Simanjuntak Srihono - Susy Susmartini Tasya Santi Rahmawati Tri Hariyanto Urip Sarwo Sambodo Utami Sri Sundari Veriawan, Herindra Virda Hersy Lutviana Saputri Virda Hersy Lutviana Saputri Wafiq Hasan Al Banna Wahyu Ani Maulidiyah Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo wahyudi sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Wahyudi Sutopo Widha Windhira Wisdania Rusdianasito Yahuda Patria Christiawan Yahuda Patria Christiawan Yonatan Ardi Hardono Yudi Hartono, Yudi Yusuf Priyandari Yusuf Priyandari Yusuf Priyandari Yusuf Priyandari Yusuf Priyandari Yusuf Priyandari Yusuf Priyandari Zakaria, Roni Zakaria, Roni Zakariya, Roni Zikri Haqqoni