Penerapan Model Simulasi Antrian Single-Phase Multi-Channel untuk Optimasi Layanan Coffeeshop Presensia di Kota Medan

Authors

  • Efani Desi Universitas Potensi Utama
  • Siti Aliyah Universitas Potensi Utama
  • Fitri Pranita Nasution Universitas Potensi Utama
  • Enni Maisaroh Universitas Potensi Utama
  • Indah Lestari Universitas Potensi Utama

DOI:

https://doi.org/10.35870/jtik.v10i3.5928

Keywords:

M/M/s Queue, Barista Service, Waiting Time, Utilization, Operational Optimization

Abstract

This study applies an M/M/s single-phase multi-channel queue simulation model (Poisson arrivals λ avg. 19 cust/hr, exponential service μ=6 cust/hr/barista, FIFO) via POM-QM for Windows to optimize Coffeeshop Presensia services in Medan (observation Nov 1-30, 2024, 3-9 PM). Baseline (s=4: 2 baristas + 2 cashiers) shows Lq=3, Wq=0.15 hr (9 min), Po=0.02 on busy days. Optimal scenario (3 baristas + 2 cashiers) reduces Wq to ~2 min (95% CI: 1.8-2.2 min), ρ =0.67. Recommendation: add 1 barista during peaks. This adjustment resulted in a significant reduction in the average customer waiting time, from 9 minutes to around 2 minutes, ensuring that the service provided meets the standard time expected by customers. This study provides valuable insights into improving service efficiency through more strategic resource allocation at Coffeeshop Presensia.

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Author Biographies

  • Efani Desi, Universitas Potensi Utama

    Program Studi Sistem Informasi, Fakultas Teknik dan Ilmu Komputer, Universitas Potensi Utama, Kota Medan, Provinsi Sumatera Utara, Indonesia.

  • Siti Aliyah, Universitas Potensi Utama

    Program Studi Sistem Informasi, Fakultas Teknik dan Ilmu Komputer, Universitas Potensi Utama, Kota Medan, Provinsi Sumatera Utara, Indonesia.

  • Fitri Pranita Nasution, Universitas Potensi Utama

    Program Studi Informatika, Fakultas Teknik dan Ilmu Komputer, Universitas Potensi Utama, Kota Medan, Provinsi Sumatera Utara, Indonesia.

  • Enni Maisaroh, Universitas Potensi Utama

    Program Studi Pendidikan Bahasa Inggris, Fakultas Ilmu Sosial dan Kebudayaan, Universitas Potensi Utama, Kota Medan, Provinsi Sumatera Utara, Indonesia.

  • Indah Lestari, Universitas Potensi Utama

    Program Studi Sistem Informasi, Fakultas Teknik dan Ilmu Komputer, Universitas Potensi Utama, Kota Medan, Provinsi Sumatera Utara, Indonesia.

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Cover JTIK VOLUME 10 NO 3 JULI 2026

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Published

2026-07-01

Issue

Vol. 10 No. 3 (2026): JULY 2026

Section

Computer & Communication Science

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Copyright (c) 2026 Efani Desi, Siti Aliyah, Fitri Pranita Nasution, Enni Maisaroh, Indah Lestari

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How to Cite

Desi, E., Aliyah, S., Nasution, F. P., Maisaroh, E., & Lestari, I. (2026). Penerapan Model Simulasi Antrian Single-Phase Multi-Channel untuk Optimasi Layanan Coffeeshop Presensia di Kota Medan. Jurnal JTIK (Jurnal Teknologi Informasi Dan Komunikasi), 10(3), 870-877. https://doi.org/10.35870/jtik.v10i3.5928

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