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All Journal Jurnal Teknoin J@TI (TEKNIK INDUSTRI) Jurnal Rekavasi Jurnal Optimasi Sistem Industri REKAYASA Jurnal Ilmiah Teknik Industri Proceeding SENDI_U OPERATION EXCELLENCE: Journal of Applied Industrial Engineering 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 Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri Civil Engineering Journal Jurnal INTECH Teknik Industri Universitas Serang Raya Jurnal Ilmiah Teknik Industri Indonesian Journal of Electrical Engineering and Computer Science International Journal of Sustainable Transportation Technology Multidiciplinary Output Research for Actual and International Issue (Morfai Journal) Makara Journal of Technology Metris: Jurnal Sains dan Teknologi

Wahyudi Sutopo

Universitas Sebelas Maret

Author-ID : 397419

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

Published : 51 Documents Claim Missing Document

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Optimalisasi Rute Distribusi BBM dengan Penerapan Capacitated Vehicle Routing Problem dan Excel Solver di Kabupaten Magetan Euis Nurlathifah; Fathin Kusumo Pramesti Pudjiantoro; Naufal Ammar; Wahyudi Sutopo; Yuniaristanto Yuniaristanto
Teknoin Vol. 26 No. 2 (2020)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol26.iss2.art3

Pertamina Fuel Terminal Boyolali MOR IV memiliki tugas untuk mendistribusikan produk BBM yang dihasilkan ke SPBU di Jawa Tengah dan sebagian Jawa Timur. Penelitian ini membahas pendistribusian BBM dari depot ke SPBU di Kabupaten Magetan dengan permintaan BBM sebesar 16 kl, 24 kl, dan 32 kl dengan pemilihan atau penentuan rute distribusi yang tepat sehingga memperoleh ketepatan waktu yang optimal. Tahapan penelitian yang pertama membuat formulasi model masalah capacitated vehicle routing problem (CVRP) menggunakan Excel Solver sebagai metode penyelesaiannya. Lalu tiga kriteria rute mobil tangki dengan kapasitas 16 kl, 24 kl dan 32 kl digunakan untuk menentukan distribusi BBM di Kabupaten Magetan. Hasil simulasi menggunakan software Excel Solver didapatkan rute terpendek untuk mengirimkan BBM ke 11 SPBU yang berada di Kabupaten Magetan dengan menggunakan 1 mobil tangki 24kl dan mobil tangki 32 kl. Dan didapatkan total jarak yang dilaluli oleh semua kendaraan mobil tangki adalah sejauh 2260,6 kilometer sehingga memberikan rute yang lebih baik dari rute yang ada sebelumnya yaitu sejauh 2686,2 kilometer.

Analisis Masalah Untuk Menentukan Minimasi Waste Pada Proses Produksi di PT. XYZ Fauziah Amelia Ananda; Wahyudi Sutopo
Teknoin Vol. 26 No. 2 (2020)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/teknoin.vol26.iss2.art5

PT. XYZ merupakan salah satu perusahaan manufaktur di Indonesia yang memiliki karakteristik make-to-order dalam proses produksinya. Salah satu produk yang ada di perusahaan tersebut adalah baja slab, yang di mana baja slab ini merupakan komponen utama untuk proses produksi baja selanjutnya. Dari hasil observasi diketahui bahwa perusahaan sering tidak dapat mencapai target produksi dikarenakan adanya pemborosan dalam proses produksi yang berupa cacat dan delay, yang kemudian menambah biaya produksi. Oleh karena itu, minimalisasi waste penting untuk dilakukan. Metode yang digunakan yaitu VSM, dengan FMEA dan 5W+1H sebagai metode penunjang. Berdasarkan data yang diperoleh, ada empat waste terbesar yang menghambat efisiensi produksi baja slab, yaitu defect, overproduction, waiting, dan unnecessary motion. Dalam penelitian ini digunakan tools yaitu Process Activity Mapping, Quality Filter Mapping, dan Future Value Stream Mapping.

Adoption Intention Model of Electric Vehicle in Indonesia Martha Widhi Dela Utami; Yuniaristanto Yuniaristanto; Wahyudi Sutopo
Jurnal Optimasi Sistem Industri Vol. 19 No. 1 (2020): Published in June 2020
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Indonesia’s government was targeting the adoption of 2.1 million units of two-wheeled electric vehicles and 2,200 units of four-wheeled electric vehicles in 2025 through the Republic of Indonesia's Presidential Regulation No. 22 in 2017 about the National Energy General Plan. In 2019, the Government of Indonesia issued Presidential Regulation No. 55 in 2019 concerning the Acceleration of the Battery Electric Vehicle Program for Road Transportation. In 2018, the adoption of two-wheeled electric vehicles only reached 0.14% of the government's target for 2025. Therefore, the adoption of Electric Motorcycle (EM) technology must also consider many factors to be successful. This research develops a non-behavioral electric vehicle adoption intention model. The factors include sociodemographic, financial, technological, and macro-level. The online survey involved 1,223 respondents. Logistic regression is used to obtain the function and probability value of intention to adopt EM in Indonesia. Frequency of sharing on social media, level of environmental awareness, purchase prices, maintenance costs, maximum speed, battery charging time, availability of charging station infrastructure at work, availability of home power based- charging infrastructure, purchase incentive policies, and charging cost discount incentive policies are significantly influencing the intention to adopt electric vehicles. It also shows that the opportunity for Indonesians to adopt electric motorcycles reaches 82.90%. The realization of the adoption of electric motorcycles in Indonesia requires infrastructure readiness and costs that can be accepted by consumers. Lastly, the results of this research provide some suggestions for the government and businesses to accelerate electric motorcycle adoption in Indonesia.

A Decision Support System to Achieve Self-Sufficiency of Soybean (Case: Central Java Province, Indonesia) Muhammad Hisjam; Nancy Octyajati; Wahyudi Sutopo; Ahad Ali
Jurnal Optimasi Sistem Industri Vol. 19 No. 2 (2020): Published in November 2020
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Soybean self-sufficiency in Central Java Province is a problem that is difficult to realize at this time. As an important commodity, self-sufficiency becomes a serious concern for the government. Supply chain management of soybean is related to the integration of supply, demand, and distribution of soybean. The characteristics of entities involved in the soybean supply chain are complex, dynamic, and probabilistic that make the problem cannot be solved using an analytical model and it becomes too risky for trial and error. A suitable tool is using a simulation model. This paper deals with developing a Decision Support System (DSS) using a simulation model that will assist the government in adopting policies in order to achieve self-sufficiency of soybean and the improvement of farmer's welfare. DSS will help decision-makers to try various scenarios of policy in an easy way. The method was started with developing model components, then decision components, and next creating user interfaces. The simulation and system modeling is created by using Powersim software with the intent to obtain the simulation and single document interface (SDI) of the supply chain model. The result shows that land expansion policy is a top priority for realizing food self-sufficiency while increasing productivity and reducing costs of agricultural activities are the main priorities for improving the welfare of farmers.

Proposing Electric Motorcycle Adoption-Diffusion Model in Indonesia: A System Dynamics Approach Dwi Setyo Sulistyono; Yuniaristanto Yuniaristanto; Wahyudi Sutopo; Muhammad Hisjam
Jurnal Optimasi Sistem Industri Vol. 20 No. 2 (2021): Published in November 2021
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

In 2019, the number of conventional vehicles in Indonesia reached 133,617,012 units, dominated by motorcycles of 112,771,136 units and passenger cars of 15,592,419 units. The high number of conventional motorcycle users can increase the number of pollutants and combustion emissions in the environment. This condition has encouraged the transition to a sustainable transport system that will be needed for decades to come, especially for the electric motorcycle to resolve the issue. This research aims to predict and estimate the market share of electric motorcycles by considering life cycle cost per kilometer. System dynamics simulations are developed to model the adoption-diffusion of electric motorcycles in Indonesia. This model has four main modules: an electric motorcycle module, a conventional motorcycle module, an economy module, and a consumer market module. This model shows a positive trend of EM market share from 2021-2030, with the market share value of EM is 0,411 in 2030. The development of retail price subsidy and electricity price scenarios is also carried out to determine the right policies to accelerate the adoption-diffusion process. Based on the scenario, the provision of retail price subsidy and a decrease in electricity price can increase the value of the EM Market Share.

Designing The Improvement of SPAM UNS Water Dispenser Service Quality Yosua Natalianto; Eko Pujiyanto; Wahyudi Sutopo
Jurnal Ilmiah Teknik Industri Vol. 19, No. 1, June 2020
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v19i1.9413

SPAM (Sistem Pengolahan Air Minum or Drinking Water Treatment System) UNS was established in 2015 to meet the drinking water needs of the UNS academic community by providing 129 dispensers and water tap machines spread across buildings at UNS. A survey conducted by UNS students in 2017 showed that 54 % of students were not sure of the quality of UNS SPAM water. So the service quality questionnaire was distributed to 160 UNS students randomly and it was found that only 3 % of respondents stated that they used SPAM UNS water dispenser very often. Processing results shown the highest gap value is in the reliability dimension, with CTS namely cleanliness and flow of water. From the survey regarding the cleanliness and flow of the water carried out the DPMO value of the process was 332,589 (1, 930 sigma) . Recommendations for improvement are in the form of several SOPs to improve the cleanliness and quality of SPAM UNS water dispenser services.

ANALISIS KELAYAKAN INVESTASI PENAMBAHAN MESIN PENGECATAN DENGAN MEMPERTIMBANGKAN PAJAK DAN BIAYA DEPRESIASI SERTA OPERASIONAL CV. CREATIVE 71 Yasmine Husna Arsyifa; Wahyudi Sutopo
Jurnal Rekavasi Vol 5 No 2 (2017)
Publisher : Jurusan Teknik Industri, Institut Sains & Teknologi AKPRIND Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.422 KB)

Artikel ini merupakan kritik perbaikan dari artikel Susetyo dkk (2015) yang membahas mengenai kelayakan investasi dari simulasi sistem perencanaan jumlah mesin yang optimal pada CV. Creative 71. Analisis mengenai kelayakan investasi penambahan mesin tersebut sangat diperlukan. Belum dipertimbangkan biaya pajak, biaya depresiasi, biaya pemeliharaan, dan biaya operasional listrik, membuat perhitungan ulang untuk kelayakan investasi ini sangat diperlukan. Pada artikel ini dilakukan analisis terhadap aspek kelayakan investasi menggunakan metode NPV (Net Present Value), IRR (Internal Rate of Return) dengan asumsi nilai MARR adalah 12%, dan BCR (Benefit Cost Ratio). Selain itu, dipertimbangkan juga perhitungan PPh (Pajak Penghasilan), biaya depresiasi,biaya pemeliharaan, dan biaya operasional listrik mesin pengecatan. Dari perhitungan didapatkan bahwa nilai NPV>0 yaitu Rp360.340.397,- begitupula dengan nilai BCR>1 yaitu 1,650 dan untuk nilai IRR>MARR yaitu 51,332%. Dengan demikian penambahan satu buah mesin pengecatan tersebut menguntungkan bagi perusahaan dengan perhitungan cash flow yang mempertimbangkan pajak, biaya depresiasi,biaya pemeliharaan, dan biaya operasional listrik sehingga hasil analisis kelayakan lebih akurat.

Pemilihan Supplier Biji Plastik dengan Metode Analitycal Hierarchy Process (AHP) dan Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) Jeehad Muhammad; Diah Rahmanasari; Joshua Vicky; Wahyu Ani Maulidiyah; Wahyudi Sutopo; Yuniaristanto Yuniaristanto
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 6 No. 2 (2020)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v6i2.2418

Perusahaan perlu mengevaluasi kinerja supplier untuk mendapatkan supplier masuk sesuai dengan kriteria perusahaan. Permasalahan pada PT. Wonorejo Makmur Abadi adalah belum adanya kriteria dan standar yang tepat untuk ditetapkan dalam pemilihan supplier sehingga perusahaan tidak adanya evaluasi kinerja supplier. Tujuan dari penelitian ini adalah untuk mengetahui bobot nilai dari setiap kriteria yang digunakan dalam pengambilan keputusan pemilihan alternatif supplier terbaik di PT “Wonorejo Makmur Abadi”. Kriteria yang digunakan ada tujuh, antara lain: Harga pembelian, kualitas, waktu tenggang pembayaran, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Untuk mendapatkan data yang lengkap, peneliti menggunakan metode berupa wawancara dan pengisian kuesioner. Metode yang digunakan dalam pengolahan data pada penelitian ini yaitu metode AHP dan TOPSIS. Berdasarkan pengolahan data menggunakan metode AHP dihasilkan bobot dengan kriteria tertinggi yaitu pada harga pembelian, dilanjutkan secara berturut-turut yaitu kriteria kualitas, waktu tenggang pembayar, ketepatan pengiriman, kemampuan pemenuhan terhadap jumlah pemesanan, jarak supplier, dan pelayanan. Kemudian untuk pengolahan data menggunakan TOPSIS dapat diketahui bahwa supplier Surabaya merupakan supplier yang paling potensial. Prioritas alternative selanjutnya berdasarkan rangking secara berturut-turut yaitu, Supplier Semarang, Supplier Solo, dan Supplier Bandung.

Food Traceability in Supply Chain Based on EPCIS Standard and RFID Technology Evizal Abdul Kadir; Siti Mariyam Shamsuddin; Eko Supriyanto; Wahyudi Sutopo; Sri Listia Rosa
Indonesian Journal of Electrical Engineering and Computer Science Vol 13, No 1: January 2015
Publisher : Institute of Advanced Engineering and Science

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

The growth of retailer lately very significant especially in food product, selling of food product is not only in conventional market but moreover now is in such mini market, mall, shopping complex, etc. Food traceability is required in supply of food product to make sure items are safe to consume and not in expired date. This paper present on food traceability in supply chain based on Electronic Product Code Information Services (EPCIS), the use of EPCIS standard is refer to Global Standard-1 (GS1) for logistic and supply chain based on Radio Frequency Identification (RFID) Technology. RFID is used for items tagging on food product instead of barcode that currently widely used the advantages of RFID tag compare than barcode make the system is more applicable to used in food traceability. In this case one of food product take into example in supplying which is banana that the process started from farmer until reach to retail house are monitored and recorded by the system. End process of this system is to give services to the consumer of customer based on EPCIS database collected in all the way of process. DOI: http://dx.doi.org/10.11591/telkomnika.v13i1.6919

An Agri-Food Supply Chain Model to Enhance the Business Skills of Small-Scale Farmers Using Corporate Social Responsibility Sutopo, Wahyudi; Hisjam, Muh.; Yuniaristanto, Yuniaristanto
Makara Journal of Technology Vol. 16, No. 1
Publisher : UI Scholars Hub

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

In general, small-scale vegetable farmers experience problems in improving the safety and quality of vegetables for supplying high-class consumers in modern retailers. Farmer Group and/or Cooperative (FGC) should be able to assist its members to meet the relevant provisions of modern retail on product specifications, delivery terms, and internal business requirements. This study proposed an agri-food supply chain (ASC) model that involves the corporate social responsibility (CSR) activities to enhance the business skills of the FGC as supplier of modern retailer. Multi-objective optimization programming is developed to determine the amount and timing of supply, level of farmers training skills, quality improvement target, and the CSR total cost. The results show that the proposed model can be used to determine the priority of programs in order to empower farmers' groups as modern retail suppliers.

Co-Authors -, Febrinata Ahad Ali Ahmad Rafi Adnanta Aji, Vania Putri Anita Andria Sari Apriliana, Frisheila Sely Aqidawati, Era Febriana Aqidawati, Era Febriana Aqil, Hilmy Ardiansyah, Rakhman Arien Heryansyah Astuti, Rina Wiji Ayusya Khoirun Nisa Azizah Aisyati Chrissandhi, Erico Sofyan Christa Dian Pratiwi Danang Miftahudin Pratama Dewi Handayani Dewiningrum, Ayu Purnama Diah Rahmanasari Didiek Sri Wiyono Diesya, Stephani Dwi Indah Maryanie Dwi Setyo Sulistyono Eko Pujiyanto Eko Supriyanto Ereika Arie Agassi Erliza, Ayu Euis Nurlathifah Evizal Abdul Kadir Fadlilah, Antika Adzary Sekar Fahma, Fakhrina Fakhrina Fahma Fakhrina Fahma Farid Ishartomo Fathin Kusumo Pramesti Pudjiantoro Fauziah Amelia Ananda Febri Muhammad Rachadian Fitri Purnamasari Frisca Pomalia Hanun, Ilza Athiyatamimy Hastuti, Tiwik Tri Hisjam, Muh Hisjam, Muh. Hisjam, Muhammad Ihwan Susila Jeehad Muhammad Joshua Vicky Kristiawan, Stefanus A. Levinia Dian Laraswati, Levinia Dian Louhenapessy, Bendjamin Lsa Aldira Hafidza Mahesa Jenar Maisyaroh, Anis Marhana, Laily Martha Widhi Dela Utami Maya Revanola Zainida Meidiana Faras Isnafitri Muh. Hisjam, Muh. Muhammad Hisjam Nabilah Nabilah Nancy Octyajati Natalianto, Yosua Naufal Ammar Novitria Arie Prabarini Nugraheni, Diyah Dwi Nur Atikah Nuryanto - P., Yogie Budi Pramesti, Nidya Yutie Pramono, Wakit Prasetyo, Hoedi Pratiwi, Ayu Priyandari , Yusuf Pujiyanto, Eko Rahmatullah, Hasan Ravi Ratnasari, Sintya Renny Rochani Resia Atsiila Restiannisa, Kinanti Rinanto, Andhy Rochani, Renny Roni Zakaria Roni Zakaria Raung Shamsuddin, Siti Mariyam Silvi Istiqomah Siti Mariyam Shamsuddin Sri Listia Rosa Supriyanto, Eko Wahyu Ani Maulidiyah Wardayanti, Ari Widi Hartono Yasmine Husna Arsyifa Yosua Natalianto Yudhistira, Rasyid Yuniaristanto Yuniaristanto Zakaria, Roni Zakariya, Roni

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