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Analisis Pengaruh Label Halal dan Kualitas Produk Terhadap Keputusan Pembelian Produk UNSQUA Menggunakan Regresi Linier wahyudi sutopo; Frisca Pomalia; Meidiana Faras Isnafitri; Danang Miftahudin Pratama; Ayusya Khoirun Nisa; Yuniaristanto Yuniaristanto
JOURNAL OF INDUSTRIAL AND MANUFACTURE ENGINEERING Vol 4, No 2 (2020): EDISI NOVEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jime.v4i2.3579

Abstract

UNSQUA merupakan produk air minum kemasan yang diproduksi oleh SPAM UNS dan dijual secara internal. Berdasarkan survey penelitian, banyak konsumen yang tidak yakin untuk mengkonsumsi produk UNSQUA karena ragu dengan kualitasnya dan tidak adanya label halal pada kemasan produk. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh variabel label halal dan kualitas produk dengan menggunakan analisis regresi linier untuk mengetahui pengaruhnya terhadap keputusan pembelian UNSQUA. Hasil dari penelitian menunjukkan : variabel label halal mempengaruhi variabel keputusan pembelian sebesar 10,5% dengan signifikansi sebesar 0,58 ; variabel kualitas mempengaruhi variabel keputusan pembelian sebesar 71,7% dengan signifkansi sebesar 0,000; dan variabel label halal dan kualitas produk bersama-sama mempengaruhi keputusan pembelian sebesar 51,7% dengan signifikansi sebesar 0,000. Dengan meningkatnya keputusan pembelian maka diharapkan juga permintaan akan UNSQUA dapat meningkat dan mendatangkan profit yang lebih besar untuk perusahaan.
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

Abstract

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.
Optimasi Distribusi Semen PT. XYZ dengan Modifikasi Model Transportasi Era Febriana Aqidawati; Nino Rahadian; Zikri Haqqoni; Yuniaristanto Yuniaristanto; Wahyudi Sutopo
JRSI (Jurnal Rekayasa Sistem dan Industri) Vol 4 No 02 (2017): Jurnal Rekayasa Sistem & Industri - Desember 2017
Publisher : School of Industrial and System Engineering, Telkom University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25124/jrsi.v4i02.288

Abstract

Transportation plays an important role for the industry because the producers have an interest in getting their goods transported to the customer on time, at the exact spot and goods are in good condition. Sari et al (2013) have optimized the transportation problem on the cement distribution system of PT. XYZ. In those article, optimization is done by minimizing transportation costs using the initial fiscal solution with the Least Cost method and calculating the optimal solution with potential method. However, in that calculation, the distance factor between the warehouse and the distribution and transport capacity is not considered. In fact, in distributing a product, the mileage factor becomes important enough to be considered because it involves many things in its operation. Therefore, in this article, the cement distribution cost will be optimized by using modified model of the transportation model used in Sari et al (2013).
Penerapan Metode P-Median dalam Penentuan Lokasi Optimal Tempat Penampungan Sementara (TPS) Sampah di Kabupaten Klaten Aditya Isnaini Setyargo Putri; Chaidir Akbar; Edi Hartono; Yuniaristanto Yuniaristanto
Tekinfo: Jurnal Ilmiah Teknik Industri dan Informasi Vol 6 No 2 (2018)
Publisher : Program Studi Teknik Industri Universitas Setia Budi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1437.65 KB) | DOI: 10.31001/tekinfo.v6i2.397

Abstract

Kabupaten Klaten yang memiliki luas wilayah 655,56 km2, terbagi menjadi 26 kecamatan, jumlah total penduduk 1.469.253 jiwa (2014) yang terbesar se-karesidenan Surakarta dan dengan tingkat kepadatan 2,241 jiwa/km2. Produksi sampah yang banyak dipengaruhi oleh jumlah penduduk. Ketika pengelolaan sampah tidak berjalan dengan baik akan menimbulkan bencana bagi wilayah sekitar. TPS resmi di Kabupaten Klaten berjumlah 161 TPS yang tersebar di 26 kecamatan. Agar pengelolaan sampah di Kabupaten Klaten bisa terkelola dengan baik, maka penentuan lokasi TPS harus tepat. Penentuan lokasi dan alokasi agar upaya pengolalan sampah di Kabupaten Klaten berjalan dengan baik dengan menggunakan metode P-Median merupakan bagian dari mixed integer liniear programming yang bertujuan untuk meminimumkan total waktu tempuh rata – rata. Hasil dari perhitungan P-Median untuk menentukan alokasi optimal pada tahun 2017 menunjukan jumlah TPS yang terpilih sebanyak 73 TPS untuk melayani 101 sumber sampah yang tersebar di Kabupaten Klaten dengan total kapasitas sebesar 675,5 m3 dan volume sumber sampah total sebanyak 440,6 m3/hari. Dengan demikian tidak terjadi penumpukan sampah di TPS.
Pemilihan Metode Peramalan Jumlah Permintaan Koran dengan Tingkat Kesalahan Terendah wahyudi sutopo; Azizah Hadny Quarrota A'yun; Hanif Ardian; Maulidina Khairannisa Nunuh; Sherlinta Immanuella; Yuniaristanto Yuniaristanto
Matrik : Jurnal Manajemen dan Teknik Industri Produksi Vol 21 No 2 (2021)
Publisher : Prodi Teknik Industri Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/matrik.v21i2.1325

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Pada era digital saat ini, banyak sekali industri yang mengalami dampak dari digitalisasi, salah satunya adalah industri surat kabar (koran). Adanya digitalisasi menyebabkan permintaan koran semakin fluktuatif dan sulit diprediksi. Hal ini juga menyebabkan tingkat retur atau pengembalian koran dari agen-agen yang cukup tinggi dan tentu saja akan memberikan kerugian yang cukup besar bagi perusahaan. Untuk itu, perlu dilakukan penentuan métode peramalan jumlah permintaan koran yang memiliki tingkat kesalahan terkecil sehingga dapat membantu perusahaan mengurangi kerugian akibat retur koran. Penelitian ini menghitung peramalan permintaan menggunakan beberapa metode antara lain trend line analysis, double exponential smoothing, dan two months moving average. Selain itu, penelitian ini juga membandingkan hasil peramalannya dengan penelitian terdahulu yang menggunakan metode ARIMA. Pemilihan metode peramalan yang terbaik dilakukan dengan membandingkan tingkat kesalahan (MAPE) dari tiap-tiap metode kemudian dipilih metode dengan tingkat kesalahan terkecil. Berdasarkan perbandingan yang dilakukan, dapat diketahui bahwa metode peramalan yang memiliki tingkat kesalahan terkecil adalah metode trend line analysis dengan nilai MAPE sebesar 2,94%. Oleh karena itu, metode peramalan yang terbaik untuk melakukan peramalan permintaan jumlah koran di Kota Surakarta adalah metode trend line analysis.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.608 KB) | DOI: 10.25077/josi.v19.n1.p70-81.2020

Abstract

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.
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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (609.741 KB) | DOI: 10.25077/josi.v20.n2.p83-92.2021

Abstract

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.
PENENTUAN PRIORITAS PERSPEKTIF BALANCED SCORECARD DENGAN FUZZY ANALYTICAL HIERARCHY PROCESS SEBAGAI BAHAN PERTIMBANGAN KEPUTUSAN: DETERMINING PRIORITIES OF BALANCED SCORECARD PERSPECTIVE USING FUZZY ANALYTICAL HIERARCHY PROCESS AS A DECISION CONSIDERATION Muhammad Reza Kusuma Wardana; Nina Salsabila Sulistiani; Yuniaristanto
Jurnal Aplikasi Bisnis dan Manajemen (JABM) Vol. 6 No. 3 (2020): JABM Vol. 6 No. 3, September 2020
Publisher : School of Business, Bogor Agricultural University (SB-IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17358/jabm.6.3.617

Abstract

Determining the priority of activities is often seen by the number of people involved in these activities. This occurs because a strategic map has not been prepared based on the priority to perform these activities. The research aims to measure performance and determine priorities from the four perspectives of the Balance Scorecard using the Fuzzy Analytical Hierarchy Process approach. This research took a case study from a newspaper company in Solo. The company's strategic goals were formulated through the Balanced Scorecard including learning and growth, customers, internal business processes and finance perspectives. The weighting of each perspective applied the Fuzzy Analytical Hierarchy Process to obtain perspective priority which can be used as a consideration for the company. The results of this research show that the customer perspective has the highest weight value compared to the other three perspectives, namely 0.611; while the learning and growth perspective has the second highest weight value, which is equal to 0.221. The internal business perspective has a weight value of 0.100, while the financial perspective has the lowest weight value of 0.069. These results show that the customer perspective is a top priority that must be prioritized by the company in designing a strategy map to achieve the company goals. Companies need to design customer-oriented strategies by understanding customer behavior patterns in the future. Keywords: Balanced Scorecard, Fuzzy Analytical Hierarchy Process (FAHP), newspaper industry, performance indicator, priority perspective
Location Routing Problem with Consideration of CO2 Emissions Cost: A Case Study Ananda Noor Sholichah; Y Yuniaristanto; I Wayan Suletra
Jurnal Teknik Industri Vol. 21 No. 2 (2020): August
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.918 KB) | DOI: 10.22219/JTIUMM.Vol21.No2.225-234

Abstract

Location and routing are the main critical problems investigated in a logistic. Location-Routing Problem (LRP) involves determining the location of facilities and vehicle routes to supply customer's demands. Determination of depots as distribution centers is one of the problems in LRP.  In LRP, carbon emissions need to be considered because these problems cause global warming and climate change. In this paper, a new mathematical model for LRP considering CO2 emissions minimization is proposed. This study developed a new  Mixed Integer Linear Programming (MILP)  model for LRP with time windows and considered the environmental impacts.  Finally, a case study was conducted in the province of Central Java, Indonesia. In this case study, there are three depot candidates. The study results indicated that using this method in existing conditions and constraints provides a more optimal solution than the company's actual route. A sensitivity analysis was also carried out in this case study.
Mixed-Integer Linear Programming Model for Production Planning: A Case Study at Sawn Timber Production Octavia Riskadayanti; Muhammad Hisjam; Y Yuniaristanto
Jurnal Teknik Industri Vol. 21 No. 2 (2020): August
Publisher : Department Industrial Engineering, University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (404.669 KB) | DOI: 10.22219/JTIUMM.Vol21.No2.163-173

Abstract

The sawmill industry is an industry that processes logs into sawn timber products through several processes to maximize profits and meet customer demand. The process involves essential operations that have to be coordinated to get the desired product with the available resources optimally. Efficient operations can be achieved through optimal production planning by considering some factors to optimize the number of sawn timber product combinations. Optimal production planning is expected to have an impact, such as reducing the use of raw materials that can affect inventory and procurement. In this research, the author has developed a mathematical model for production planning to determine the optimal number of sawn timber product combinations. Problems were solved using mixed-integer linear programming methods with mathematical modeling that aimed for maximizing profit. Production costs, raw material costs, and purchasing costs were critically considered in this mathematical modeling. The result showed that using the developed model could integrate the factors above, fulfill the demand, and increase company income.
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