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Journal : Jurnal Optimalisasi

Peramalan Permintaan dalam Menentukan Penjualan Produk Menggunakan Metode DES Brown dan DES Holt di PT. XYZ Santika Sari; Noiska Lathifa Sari; Jeremia Radja Moza; Dani Wahyudi; Mira Syehika Hutami
Jurnal Optimalisasi Vol 7, No 2 (2021): Oktober
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i2.3980

Abstract

PT XYZ is the first mining company in Indonesia engaged in the Alumina industry as well as an industrial pioneer in processing bauxite into CGA (Chemical Industry Alumina). The amount of demand for alumina varies depending on the number of product requests that must be produced each month. The methodology used in this research is forecasting. Forecasting is a method used to estimate a future need that refers to past data. The company's products are produced on a made-to-order system, and some are produced on a bespoke system developed to meet the needs of consumers or other companies. Currently, the problem experienced by PT XYZ is that it has only been reselling since late 2018, so it is still building brand and trust. And also the stock inventory is still very large so it still needs a lot of improvement and planning. So in this study, forecasting will be carried out to determine product sales using the DES Brown and DES Holt methods and find out which method is the best to use in helping to forecast product sales from PT XYZ. In this study, data plots were carried out and resulted in the type of Trend pattern. Furthermore, data forecasting is carried out using 2 methods, namely DES Brown and DES Holt. The best method used for forecasting this alumina demand is the Holt DES method with the accuracy of the calculation results using the smallest MAPE value. From the results obtained the smallest MAPE value is 0.246068 or 24.6%, meaning that the probability of success from forecasting is 75.6%.
Pengukuran Kinerja Supply Chain Susu Kental Manis Menggunakan Metode SCOR dan AHP Monica Permatasari; Santika Sari
Jurnal Optimalisasi Vol 7, No 1 (2021): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jopt.v7i1.2702

Abstract

PT Frisian Flag Indonesia is a manufacturing company in Jakarta which is engaged in the milk processing industry. PT Frisian Flag Indonesia has not implemented a detailed performance measurement system and only applies a measure of the effectiveness of company performance. The need for Supply chain performance measurement to be able to find out the results of the Supply chain performance of sweetened condensed milk and make improvements to activities that are not optimal. The method used in this research is the AHP-SCOR method and to determine the Supply chain performance score, the Key Performance Indicator (KPI) measurement is used. The results showed 27 valid KPIs using the Snorm De Boer normalization process and the values obtained were: plan was 88,83, make was 93,79, source was 84,545, delivery was 88,149, Return was 38,53. The results of the SCOR model are 81.45. The need for improvements that prioritize performance with the smallest value, namely return.
Co-Authors Ade Ismail Ade Ismail Adinda Zahara Lailah Zain Adnan Zufar Haqiqi Ad’hania, Faizha Afifa Ramadanti Agista, Riyanda diyosi Ahmad Dzaki Ajeng Puspita S Akhmad Nidhomuz Zaman Akhmad Nidhomuz Zaman Akhmad Nidhomuz Zaman Akhmad Nidhomuz Zaman Alauddin, Tubagus Fadhil Athala Aldy Kusuma Alfika Putri Kirana Alina Cynthia Dewi Aliza Nuralma Aliza Nuralma Almaash Putridewi Almaidani, Adella Nurha Amelia Rizky Ramadhan Anas Anas, Anas Angger Ridho Safaat Anggraini, Silvia Anis Fadhilah ANNE NURAINI Annisa Putriana Saputro Ardiansyah, Muhammad Saputra Arfianto, Dimas Ariq Rifqi Zaini Astri, Ayu Axel Rajiv Feocliamsyah Ayu, Wira Bambang Sujasta Berliana Sihotang Cindy Meisya Putri Hidayat Citra Bakti, Citra Claudia Sitorus Danar Dono Dani Wahyudi Dhiya Jannati Putrisardjono Dhiyya Jannati Dimas Aditya Dinda Tria Pratiwi Erizon, Meisyela Salsabila Erni Suminar Eva Aprilia Fadhillah, Azriel Fadillah, Bagus Muhammad Rizki fahrudin Fahsyarezi, Gibran Fajriah, Nur Farah Fauzia Imron Farhan Inarta, Muhammad Farida Damayanti Feocliamsyah, Axel Rajiv Fernanda, Natasya Fikri, M.Abila Firdaus, Muhammad Ramzy Fitri Wahyuni Fitriani, Alyssa Gigih Ibnu Prayoga Hafiizh, Handy Handy Hafiizh Hani Musyaffa Hadi Hanifah, Dewi Hermiyanti Haris Adi Swantoro Hashifah Husna Hayati Hayati Hendradi, Alif Henry Binsar Hamonangan Sitorus Hidayat, Cindy Meisya Putri Ibrahim, Muhammad Yasser IM, Fajar Rahayu Jeremia Radja Moza Karina Rahmi Putri Kresna Putra Brata Laela Aziani Novitasari Lukman Hakim M. Asyrof Faruq Q M. Rachman Waluyo Maharani, Siti Aisyah Mariana Audini Meisyela Erizon Merike Widi Safitri merike widi safitri Meriyanti, Meriyanti Mira Syehika Hutami Mohammad Rachman Waluyo Monica Permatasari Muhamad - As'adi muhamad as'adi Muhammad Rafii Lisdiarto Muhammad Rizal MUHAMMAD RIZAL Muhammad Sirozjudin Munir Murgayanti Murgayanti Nabila, Aliyah nidhomuz zaman, akhmad Noiska Lathifa Sari Nono Carsono Noverdo Saputra Novita Nouryend Nugie Novanto Nur Fajriah Nur Muhammad Ikhsan Nuralma, Aliza Nurdiansyah, Rio Nurfajriah Nurfajriah, Nurfajriah Petrina Ziporah Prama Shandyasta Mahindriya prama shandyasta mahindriya Pratiwi, Dinda Tria Prayitno Prayitno Prisky Eka Prakoso Pujiyanto, Imam Purwati Purwati Putra, Radithya Indrianto Putri Elmiranda Sunardi Putri, Karina Rahmi Raden Bimantyo S.J RAHAYU, FAJAR Rahmatika, Farah Rahmayanti Wulandari rahmayanti wulandari Ramadhani, Sakti Putra Ramdani, Farhan Rana Shalsabila Regiana, Melda Ayu Regita, Chelsea Reni Wulandari Rika Wirasaputri Rizqi Mubaroq Rufaidah, Fathi Sabrina, Jihan Isti Saputra, Noverdo Saputro, Annisa Saputro, Annisa Putriana Silalong, Lucky Arasyah Sesario Silvia Anggraeni Siti Aisyah Maharani Sitorus, Henry Binsar Hamonangan Sunardi, Putri Elmiranda SYARIFUL MUBAROK Syifa, Annisa Tariska Aaliyah Tsabitah Tatik Juwariyah Titis Sulistiyo W.A Wahyu Maulana, Wahyu Waluyo, M.Rachman Wendi Juliansyah Wendi Juliansyah - Juliansyah Widiatama, Yulizar Wira Ayu Zaman, Akhmad Nidhomuz Zidane, Mohammad