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All Journal INVENTORY : Industrial Vocational E-Journal On Agroindustry Jurnal Riset danAplikasi Teknik Industri (JRATI)
Purnami, Ni Luh Dian
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Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Optimalisasi Proses Antrian di Gerai Es Krim KRM Dengan Pendekatan Simulasi ProModel Utami, Ni Made Cyntia; Sitanggang, Bryan Estavan Imanuel; Anggita, I Gusti Agung Mas Putri; Pratiwiningsih, Windhi; Purnami, Ni Luh Dian
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol 5, No 2: December 2024
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i2.213

Abstract

KRM ice cream shop is a popular destination in Sanur, Bali. The intensity of customer visits on regular days is already quite crowded, even more so during the holiday season. Due to the location of Gerai KRM which is adjacent to the road sidewalk, it often causes congestion in the area. The long and less conducive queuing system is the main reason customers discourage coming. This research was conducted during peak hour, namely 11:00 to 13:00 which is lunch time. These data are then tested using the Stat::Fit feature to determine the type of data distribution. This type of data distribution will later be used to determine the length of the system process when tested in ProModel software, more precisely it will be included in the processing sequences section. The research results show that there is an entity of customers in waiting of 6.13% and blocked by 10.10% which is caused by a lack of capacity and service units in the system. Based on the problem, the proposed improvements given by the author are the addition of cashier units and also the queue capacity at the Ice Cream storefront service. The output of the proposed system simulation is a decrease in the percentage of blocked 1.32%. Then the percentage of full in the queue row which became 0% and the percentage of full in the ice cream storefront was reduced to 1.71%.
Analisis Penyebab Keterlambatan Produksi dan Simulasi Penjadwalan Berbasis Linear Programming di PT CS Purnami, Ni Luh Dian; Juliana, Mia Juliana; Nyoman Putri Ari Amelinda
JURNAL RISET DAN APLIKASI TEKNIK INDUSTRI Vol. 3 No. 01 (2025): Volume 03 Issue 01, Agustus 2025
Publisher : Study Program of Industrial Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRATI.2025.v03.i01.p13

Abstract

Penelitian ini bertujuan untuk mengidentifikasi penyebab keterlambatan produksi dan menyusun simulasi penjadwalan berbasis linear programming pada PT CS, sebuah perusahaan inflight catering di Indonesia. Permasalahan keterlambatan berpotensi menyebabkan kontaminasi makanan akibat ketidaksesuaian suhu penyimpanan serta mengganggu ketepatan waktu keberangkatan pesawat. Penelitian dilakukan melalui observasi langsung, wawancara, dokumentasi, dan pengumpulan data kuantitatif dari aktivitas produksi khususnya pada stasiun kerja hot dishing. Analisis akar masalah dilakukan dengan diagram fishbone dan metode Risk Priority Number (RPN) untuk mengidentifikasi faktor dominan penyebab keterlambatan, yaitu kekurangan tenaga kerja tetap dan tidak adanya penjabaran waktu per aktivitas. Selanjutnya, dilakukan simulasi penjadwalan menggunakan pendekatan linear programming dengan memanfaatkan fitur Solver di Microsoft Excel. Tiga skenario alokasi tenaga kerja (8, 6, dan 4 kelompok kerja) dianalisis untuk memperoleh waktu optimal pemrosesan. Hasil simulasi menunjukkan bahwa pengelompokan 8 pekerja ke dalam 4 kelompok kerja menghasilkan waktu paling optimal sebesar 1205,49 detik, dibandingkan skenario lainnya. Penelitian ini menyimpulkan bahwa pendekatan sistematis dalam identifikasi akar masalah dan simulasi berbasis optimasi matematika mampu memberikan solusi efektif dalam pengurangan keterlambatan produksi. Rekomendasi selanjutnya mencakup perumusan standar waktu operasional dan evaluasi kompetensi tenaga kerja secara berkala.
Optimalisasi Proses Antrian di Gerai Es Krim KRM Dengan Pendekatan Simulasi ProModel Utami, Ni Made Cyntia; Sitanggang, Bryan Estavan Imanuel; Anggita, I Gusti Agung Mas Putri; Pratiwiningsih, Windhi; Purnami, Ni Luh Dian
INVENTORY: Industrial Vocational E-Journal On Agroindustry Vol. 5 No. 2 (2024)
Publisher : Politeknik ATI Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52759/inventory.v5i2.213

Abstract

KRM ice cream shop is a popular destination in Sanur, Bali. The intensity of customer visits on regular days is already quite crowded, even more so during the holiday season. Due to the location of Gerai KRM which is adjacent to the road sidewalk, it often causes congestion in the area. The long and less conducive queuing system is the main reason customers discourage coming. This research was conducted during peak hour, namely 11:00 to 13:00 which is lunch time. These data are then tested using the Stat::Fit feature to determine the type of data distribution. This type of data distribution will later be used to determine the length of the system process when tested in ProModel software, more precisely it will be included in the processing sequences section. The research results show that there is an entity of customers in waiting of 6.13% and blocked by 10.10% which is caused by a lack of capacity and service units in the system. Based on the problem, the proposed improvements given by the author are the addition of cashier units and also the queue capacity at the Ice Cream storefront service. The output of the proposed system simulation is a decrease in the percentage of blocked 1.32%. Then the percentage of full in the queue row which became 0% and the percentage of full in the ice cream storefront was reduced to 1.71%.
Co-Authors Anggita, I Gusti Agung Mas Putri Juliana, Mia Juliana Ni Made Cyntia Utami, Ni Made Cyntia Nyoman Putri Ari Amelinda Pratiwiningsih, Windhi Sitanggang, Bryan Estavan Imanuel