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All Journal Jurnal Optimasi Sistem Industri ARIKA
Mulyadi Mulyadi
Universitas Hasanuddin
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Penerapan Lean and Green Value Stream Mapping untuk Mengidentifikasi Waste dan Dampak Lingkungan pada Industri Manufaktur Andi Nurwahidah; Mulyadi Mulyadi; Nilda Nilda
ARIKA Vol 16 No 2 (2022): ARIKA
Publisher : Industrial Engineering Study Program, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/arika.2022.16.2.64

Abstract

Perkembangan industri manufaktur menuntut perusahaan untuk dapat bersaing secara kompetitif dengan perusahaan pesaingnya. Persaingan yang sangat kompetitif inilah yang menuntut industri untuk meningktakan keunggulan kompetitif agar dapat memenangkan persaingan. Salah satu upaya yang dapat dilakukan adalah dengan mengurangi pemborosan pada proses produksi. PT ABC merupakan Industri Manufaktur yang memproduksi parts mesin, dan berbagai pesanan lain yang berbahan dasar dari baja. Hasil identifikasi menggunakan metode green Value Stream Mapping terdapat banyak kegiatan pemborosan yang terjadi seperti pemborosan transportation, waiting, motion, dan defect. Sedangkan dari segi green waste didapatkan pemborosan transportasi, emisi dan sampah. Hasil penilaian menggunakan metode FMEA didapatkan risiko yang memiliki potensi terjadi yang tinggi yaitu material yang tidak sesuai spesifikasi dan kebersihan perusahaan yang kurang.
Evaluasi Kualitas Layanan terhadap Operator Telekomunikasi: Tinjauan Perspektif Pelanggan Armin Darmawan; Mulyadi Mulyadi; Fauziah Fauziah
Jurnal Optimasi Sistem Industri Vol. 16 No. 2 (2017): Published in October 2017
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v16.n2.p106-111.2017

Abstract

This study examines the quality level of service in one of the telecommunication operator (mobile network provider) in Makassar. This paper focuses on the identification of the gaps, mapping quality level of service, and the evaluation of the service quality level. The study was conducted using SERVQUAL approach which refers to the five dimensions of service quality. SERVQUAL is helpful in identifying, mapping, and analyzing the gap level between expectations and perceptions of a telecommunication service. Questionnaires were randomly distributed to the 400 respondents’ mobile telecommunication users in Makassar. The results show that there were 10 negative attributes on the SERVQUAL value of 15 questions. This indicates that the service quality to the users is at the low level. For mapping and prioritization of services related attributes that need to be improved, this study used the Importance-Performance Analysis (IPA) diagram. The first quadrant indicates a high level of customer expectations relative to those attributes but on the perception remains low. The first quadrant is a mapping attribute which is prioritized in the improvement of service quality related to the reliability dimensions i.e the improvement of network quality, network expansion, and the affordable cost of access (Internet, telephone, and SMS).
Co-Authors Andi Nurwahidah Armin Darmawan Fauziah Fauziah Nilda Nilda