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All Journal Industrika : Jurnal Ilmiah Teknik Industri Jurnal Valtech
Soemanto Soemanto, Soemanto
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Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering

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Analisis Peramalan untuk Persediaan Bahan Baku Penunjang Menggunakan Metode Forecasting pada PT. B Hadi, Nur Ikhsan; Septiari, Renny; Soemanto, Soemanto
Industrika : Jurnal Ilmiah Teknik Industri Vol. 10 No. 1 (2026): Industrika: Jurnal Ilmiah Teknik Industri
Publisher : Fakultas Teknik Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/tw9jzc31

Abstract

PT. B faces challenges in managing its raw material inventory due to fluctuations indemand and supply uncertainty, which can lead to excess or shortages. Thisnegatively impacts operational costs, customer service, and production continuity.Therefore, systematic and accurate inventory management is essential to reducewaste and the risk of supply chain disruptions. Forecasting methods such as movingaverages and exponential smoothing are used to predict raw material needs based onhistorical data and demand patterns. This study analyzes the application of theseforecasting methods at PT. B to find a more effective and efficient inventory controlsolution. Based on the selected forecast, the estimated demand for the upcomingperiod is estimated to be around 180,000 pcs of Ambri cigarette products. The resultsare expected to improve the company's operational performance and support overallbusiness sustainability through optimal procurement decisions and better stockmanagement.Keywords: Forecasting, Inventory Control, Production, Raw Material requirements,Stock
ANALISIS PERENCANAAN PRODUKSI LUNCH BOX MENGGUNAKAN MASTER PRODUCTION SCHEDULE PADA PT. XYZ HADI, NUR IKHSAN; Septiari, Renny; Soemanto, Soemanto
Jurnal Valtech Vol 9 No 1 (2026): Jurnal Valtech
Publisher : Teknik Industri - ITN Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36040/valtech.v9i1.17562

Abstract

Fluktuasi permintaan yang terjadi setiap bulan sering kali tidak diimbangi dengan realisasi produksi yang sepadan, sehingga berisiko menimbulkan kondisi kekurangan maupun kelebihan output. Penelitian ini menggunakan beberapa tahapan, yaitu pengumpulan data permintaan dan data produksi, pengukuran waktu kerja untuk menentukan waktu baku, serta peramalan permintaan dengan berbagai metode deret waktu. Metode peramalan yang digunakan kemudian dievaluasi dan dipilih berdasarkan tingkat kesalahan terkecil. Hasil peramalan tersebut dimanfaatkan sebagai dasar dalam penyusunan Master Production Schedule (MPS) guna menetapkan jumlah serta periode produksi yang lebih terencana. Setelah itu dilakukan analisis kapasitas untuk membandingkan antara kapasitas yang tersedia dengan kapasitas yang diperlukan setelah penerapan MPS. Hasil penelitian menunjukkan bahwa penerapan MPS mampu memperbaiki pengaturan jadwal produksi.
Co-Authors Hadi, Nur Ikhsan Renny Septiari