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All Journal Jurnal Sistem Teknik Industri JURNAL TEKNIK INDUSTRI Jurnal Logistica
Maulidina, Siti Nur
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Astronomy Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering

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Analysis of the Queuing System in XYZ Food Industry in Batam City (Case Study of Queuing Time Observation) Putera, Dimas Akmarul; Dermawan, Aulia Agung; Lawi, Ansarullah; Saputra, Puji Tri; Pane, Amirah Nova Khairiyah; Maulidina, Siti Nur
Jurnal Sistem Teknik Industri Vol. 26 No. 2 (2024): JSTI Volume 26 Number 2 July 2024
Publisher : TALENTA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jsti.v26i2.16688

Abstract

This study analyzes the queuing system at XYZ fast food restaurant in Batam City to improve service efficiency and customer satisfaction. Observations were conducted over eight hours on Saturday, April 6th, 2024, from 2:00 PM to 10:00 PM. Data collected included arrival patterns, service time, and customer wait time. Using the queuing model [M/G/2/FIFO/4/∞], it was found that two servers are optimal. The average customer wait time in the system is 4.938 minutes, which is lower than the customer's aspirational wait time of 10 minutes. The system's utility reached  84.33%, indicating sufficient efficiency. Practical recommendations for XYZ fast food restaurant management are to maintain two servers to reduce wait time and increase customer satisfaction.
ANALISIS KORELASI ANTARA DURASI PAPARAN PENGGUNAAN GADGET DAN TINGKAT KETAJAMAN PENGLIHATAN MATA DALAM PERSPEKTIF ERGONOMI Asikin, Nur; Dayanti, Octa; Gucci, Dinda Okta Dwiyanti Ridwan; Nalendra, Muhammad Adi Sukma; Pane, Amirah Nova Khairiyah; Maulidina, Siti Nur
JURNAL LOGISTICA Vol. 3 No. 1 (2024): VOL.3.NO.1. DESEMBER 2024
Publisher : LPPM-ITEBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62375/logistics.v3i1.399

Abstract

Caterpillar Indonesia Batam menghadapi tantangan serius terkait kesejahteraan karyawan, terutama dalam hal penurunan ketajaman visual. Karyawan di perusahaan ini melaporkan penurunan ketajaman mata, yang mungkin terkait dengan penggunaan elektronik yang berlebihan. Tujuan utama dari penelitian ini adalah untuk mengkaji dampak paparan yang berkepanjangan terhadap penggunaan perangkat pada tingkat ketajaman visual karyawan PT. Caterpillar Indonesia Batam. Metode penelitian yang digunakan adalah survei lintas-seksi yang melibatkan 65 responden dari seluruh populasi karyawan perusahaan. Data dikumpulkan melalui kuesioner, observasi, dan penggunaan grafik Snellen untuk mengukur tingkat ketajaman visual. Hasil analisis data mengungkapkan adanya hubungan signifikan antara lamanya paparan penggunaan perangkat dan tingkat ketajaman mata, dengan nilai p yang signifikan (p = 0,007). Analisis bivariat menunjukkan adanya major areas of strength for a hubungan dengan koefisien hubungan sebesar 0,656 antara lamanya penggunaan perangkat dan tingkat ketajaman mata. Kesimpulan dari penelitian ini adalah bahwa penggunaan perangkat yang berlebihan dapat berdampak negatif pada ketajaman mata karyawan PT. Caterpillar Indonesia Batam. Oleh karena itu, perusahaan perlu segera mengambil langkah-langkah ergonomis untuk mengurangi risiko penurunan ketajaman visual dan memastikan kesejahteraan karyawan dan produktivitas perusahaan tetap terjaga. Kata kunci: Gadget; Ketajaman Penglihatan
SMART CLOTHESLINE: ARDUINO-CONTROLLED DRYING SYSTEM WITH LIGHT AND RAIN DETECTION Hasbi, Putranugra; Ryan, Agung; Rumapea, Elsa Sri Erjuni; Pane, Amirah Nova Khairiyah; Maulidina, Siti Nur
JURNAL LOGISTICA Vol. 3 No. 2 (2025): VOL.3.NO.2. JUNI 2025
Publisher : LPPM-ITEBA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62375/logistics.v3i2.597

Abstract

Unpredictable weather changes often complicate the process of drying clothes, especially when sudden rainfall occurs. To address this issue, an automatic clothes drying system was designed based on the Arduino Uno microcontroller, utilizing a Light Dependent Resistor (LDR) sensor and a rain sensor. The LDR sensor detects sunlight intensity, while the rain sensor identifies the presence of rain. When sufficient sunlight is detected and no rain is present, the system activates a DC motor to automatically extend the clothesline. Conversely, if rain is detected or sunlight intensity decreases, the DC motor retracts the clothesline into a sheltered area. The objectives of this research are to (1) Protect clothes from getting wet due to sudden rainfall; (2) Optimize the drying process by utilizing sunlight intensity; (3) Reduce manual intervention in the drying process, providing convenience for users who are frequently away from home. System testing demonstrated that the device effectively responds to weather changes, thereby protecting clothes from rain and maximizing drying during sunny conditions. This system offers a practical solution for users concerned about the state of their laundry when they are not at home.
Sustainable Development in Agricultural and Food Supply Chains (Case Study: Coffee Supply Chain in Karo Regency) Maulidina, Siti Nur; Matondang, Nazaruddin; Tryana S, Meilita
JURNAL TEKNIK INDUSTRI Vol. 14 No. 1 (2024): March 2024
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Indusri Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/jti.v14i1.19711

Abstract

One of the most common products grown by many in North Sumatra, especially Karo Regency, is coffee. This plant can bring in foreign exchange, making it a valuable plantation item in the Karo Regency's local economy. Despite the industry's high production and farmers' favorable experiences, soil erosion and water scarcity on agricultural land pose sustainability challenges. This occurs due to farmers needing more technical expertise or real-world post-harvest processing experience. Simultaneously, the Circular Economy (CE) notion is becoming more popular due to its capacity to improve sustainable development. By further utilizing waste to create an alternative product, this research aims to apply CE to the Karo coffee supply chain to increase sustainable elements, specifically social and economic, and lessen its environmental impact. Aside from that, utilizing the Soft System Methodology approach, adjustments must be made to policies or management practices in order to facilitate the deployment of CE. When implementing CE ideas in the agriculture supply chain, Soft System Methodology can help identify issues from the viewpoints of different supply chain actors. The investigation's findings indicate that there is a chance to apply CE to the Karo coffee supply chain. The rise in economic value resulting from utilizing and reprocessing the generated garbage into substitute items is evidence of this, with total sales increasing from Rp 1.130.400.000 to Rp 1.229.350.000 after CE implementation.
Co-Authors Ansarullah Lawi Aulia Agung Dermawan Dayanti, Octa Dimas Akmarul Putera Gucci, Dinda Okta Dwiyanti Ridwan Hasbi, Putranugra Nalendra, Muhammad Adi Sukma Nazaruddin M Nur Asikin Pane, Amirah Nova Khairiyah Rumapea, Elsa Sri Erjuni Ryan, Agung Saputra, Puji Tri Tryana S, Meilita