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All Journal Jurnal Riset danAplikasi Teknik Industri (JRATI) Jurnal Riset Multidisiplin Edukasi
Made Nindya Kirana
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Control & Systems Engineering Decision Sciences, Operations Research & Management Energy Engineering Environmental Science Industrial & Manufacturing Engineering Other

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PERANCANGAN PROTOTIPE UI/UX LAYANAN PEMESANAN BERBASIS MOBILE WEBSITE PADA UMKM LETRA STUDIO MENGGUNAKAN METODE DESIGN THINKING Brilioneristen; Mia Juliana; Made Nindya Kirana
Jurnal Riset Multidisiplin Edukasi Vol. 2 No. 8 (2025): Jurnal Riset Multidisiplin Edukasi (Edisi Agustus 2025)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v2i8.805

Abstract

Letra Studio, an MSME photography studio in Jimbaran, faces challenges with its manual reservation system via social media: slow responses, risk of double booking, data management difficulties, and lack of transparency regarding prices and schedules. This process takes over an hour, far exceeding customer expectations of under ten minutes, and results in a System Usability Scale (SUS) score of 45.4 ("Poor"). This study designs a UI/UX prototype for a mobile website-based ordering service at Letra Studio using the Design Thinking method (Empathize, Define, Ideate, Prototype). This high-fidelity prototype integrates real-time schedule display, structured package information, and an automated payment flow. Usability testing with 12 participants showed positive results: a 100% Completion Rate, an average booking time of 127.5 seconds (significantly more efficient than the >1 hour manual process), and a SUS score of 92 ('A' / 'Excellent'). In conclusion, the UI/UX prototype design successfully created an effective, comfortable, and efficient customer experience, significantly reducing booking time, addressing pain points, and enhancing Letra Studio's professionalism and operational efficiency.
ELIMINASI PEMBOROSAN PADA PROSES PRODUKSI PIA SUSU BALI MENUNGGUNAKAN PENDEKATAN LEAN MANUFACTURING (STUDI KASUS: CV X) Putu Kevin Dinata Arsana; Mia Juliana; Made Nindya Kirana
Jurnal Riset Multidisiplin Edukasi Vol. 2 No. 9 (2025): Jurnal Riset Multidisiplin Edukasi (Edisi September 2025)
Publisher : PT. Hasba Edukasi Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71282/jurmie.v2i9.941

Abstract

This study aims to identify and reduce waste in the production process of Balinese milk pia at CV X using the Lean Manufacturing approach. The company faces issues such as production capacity constraints in meeting fluctuating demand and a high defect rate, averaging 2.46%. The methodologies applied include Value Stream Mapping (VSM) to visualize material and information flow, Process Activity Mapping (PAM) to classify activity types, and the Fishbone Diagram to identify root causes of waste. The analysis revealed that the main forms of waste were excessive transportation, waiting time, and product defects in the final stages. Only 47.86% of the activities were value-added, while the rest were either non-value-added or necessary but non-value-added. Improvement strategies focused on optimizing workstations and implementing the 5S method to maintain sustainable efficiency. Post-implementation results show improved process efficiency and a reduction in non-value-added activities. This study demonstrates that Lean Manufacturing can significantly enhance production performance in traditional food industries.
Analisis Proses Inspeksi Visual Galon Reuse dengan Pendekatan Six Sigma di PT Tirta Investama Plant Mambal Bali Ni Made Ayuning Prayascita; Bryan Estavan Imanuel Sitanggang; Made Nindya Kirana; Ady Supryono
JURNAL RISET DAN APLIKASI TEKNIK INDUSTRI Vol. 4 No. 02 (2026): Volume 04, Issue 02 Agustus 2026
Publisher : Study Program of Industrial Engineering, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JRATI.2026.2026.v04.i04

Abstract

PT Tirta Investama Plant Mambal Bali merupakan perusahaan Air Minum Dalam Kemasan (AMDK) yang memproduksi galon reuse 19 liter dengan penerapan inspeksi visual sebagai bagian dari pengendalian mutu produk sebelum distribusi. Penelitian ini bertujuan untuk menganalisis kinerja proses inspeksi visual galon reuse serta mengidentifikasi faktor penyebab terjadinya defect menggunakan pendekatan Six Sigma dengan metode DMAIC. Data produksi periode Januari hingga Juni 2025 menunjukkan adanya 7.987 unit galon cacat dari total produksi sebesar 9.383.280 unit. Hasil analisis menunjukkan bahwa proses inspeksi visual galon reuse 19 liter masih didominasi oleh empat jenis kecacatan utama yang termasuk dalam karakteristik Critical to Quality (CTQ), yaitu galon kotor sebesar 41%, kerusakan label sebesar 33%, galon retak sebesar 25%, dan foreign body sebesar 1%. Perhitungan kinerja kualitas menghasilkan nilai DPMO sebesar 2.128 dengan level sigma sebesar 2,297, yang mencerminkan bahwa tingkat kecacatan proses inspeksi visual masih relatif tinggi dan belum memenuhi target kinerja Six Sigma sebesar 3,4 DPMO.
Co-Authors Ady Supryono Brilioneristen Bryan Estavan Imanuel Sitanggang Mia Juliana Ni Made Ayuning Prayascita Putu Kevin Dinata Arsana