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GERGİN, ZEYNEP

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Dr. Öğr. Üyesi

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GERGİN

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ZEYNEP

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    Publication
    A New Organizational Agility Assessment Approach Applied in the Logistics Industry
    (Melih Topaloğlu, 2022) GERGİN, ZEYNEP; AK, MEHMET MİRAÇ; ÇOLAK, EREN; KAYALAR, MUSTAFA; YAVAŞOĞLU, CAN DENİZ
    Purpose – Today, the variable and numerous demands from customers, changing market conditions and the depletion of resources have made agile working methods more necessary than in the past. In this study, it is aimed to increase the awareness of the concept of agility in companies and to accelerate the agile transformation processes. Design/Methodology/Approach – In this research study, a new measurement scale is developed to assess the current agility levels of the companies operating in logistics sector. The new instrument measures the agility levels of seven business processes for eight components of agility and an aggregated level for company agility score is identified. The detailed questionnaire, which is composed of 51 questions, is applied to 4 companies operating in the logistics sector, differing in size and structure, and their current agility level is evaluated. The weights for business processes and agility component are also defined sector based via Analytic Hierarchy Process (AHP) during the calculation of the final agility score. Due to the detailed structure of the tool, the results gave opportunity for a detailed analysis of the strengths and weaknesses of the business processes. Hence, custom recommendations could be made in order to improve the agility level of the company. Findings – It is seen that there are common elements like technology and innovation, that are highly effective on agility for every company studied, as well as there are prior elements to be focused that differ with the size and structure of the company. It is also concluded that companies need to be more agile as their operation size increases and they can meet these needs with managers who have an innovative perspective. Discussion – This study has developed its own methodology, its own research tool and recommendations, unlike previous studies in the field of agility. Aiming to bring a new link to the academic chain with these features, this project can shed light on more diverse studies in the field of agility.
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    Publication
    A Comparative Sectoral Analysis of Industry 4.0 Readiness Levels of Turkish SMEs
    (Springer Science and Business Media Deutschland GmbH, 2021) EMİR, OĞUZ; GERGİN, ZEYNEP; YÜKSEKTEPE, FADİME ÜNEY; Dündar, Uğurcan; Gençyılmaz, Güneş M.; Çavdarlı, Ali Ihsan
    The concept of Industry 4.0 brings new standards and has an essential impact on business models, work organizations, and processes. Nowadays, companies are enforced to perform such challenges as meeting personal customer requests, flexibility, responsiveness, customer-oriented solutions, and delivering continuous value to survive in the competitive market. The most innovative companies are resourceful to integrate new digital tools into their business models by following initial trends. For Small and Medium-Sized Enterprises (SMEs), adopting these new industrial challenges, and responding to them quickly is vital when it is considered that they have 99.8% of the enterprise share of Turkey. To do so, an intensive effort is needed to integrate Industry 4.0 applications within the enterprises. It has been suggested in the literature that manufacturing organizations should begin with understanding their current level of maturity by defining their strengths and weaknesses. Further, a significant effort is required with the collaboration of government, academia, and industry leaders to guide enterprises for improving their capabilities in an objective and standardized manner. Despite the diversity of approaches directed to Industry 4.0 concepts, it is not easy to find a study that measures how the manufacturing sector is adopting Industry 4.0 and compares manufacturing sectors with each other. To this end, broad research is initiated in March 2018 to identify the current situation of SMEs in Turkey. In this paper, it is intended to extend the study by providing a comparative sector analysis for manufacturing SMEs in Turkey in terms of Industry 4.0 transformation. Possible action plan suggestions are presented according to the results obtained at the end of the paper. © 2021, The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG.
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    Publication
    Yalın Sistem Tasarımı İçin Simülasyon Destekli Değer Akış Haritalama Uygulaması
    (TMMOB Makina Mühendisleri Odası, 2021) EMİR, OĞUZ; GERGİN, ZEYNEP
    İşletmeler, küresel rekabette hayatta kalabilmek için, üretim kaynaklarını daha iyi kullanarak verimliliklerini arttırmak zorundadır. Bu sebeple, katma değerli olmayan faaliyetlerinin ortadan kaldırılması ve süreçlerde sürekli iyileştirme yapılması yoluyla, değer yaratmalarına ve müşterilerinin gereksinimlerini karşılamalarına yardımcı olan yalın yönetim ilkelerini giderek daha fazla uygulamaktadırlar. Bu çalışma, hızlı tüketim ürünleri sektöründe faaliyet gösteren global ölçekteki bir üretim şirketinin, Türkiye tesisine ait paketleme hattında uygulanan bir yalın sistem tasarımı örneğidir. Firma 150’den fazla ülkeye şekerleme üretimi ve dağıtımı yapmaktadır ve söz konusu paketleme hattı bu ürünler için çalışmaktadır. Bu çalışmada üretim sisteminde bulunan paketleme hatlarının performansını arttırmak amaçlanmıştır. Bunun için hatlar yalın yönetimin 7 başlık altında grupladığı israf kalemleri – gereğinden fazla üretim, gereksiz işlemler, fazla stok, hatalı üretimler, taşımalar, gereksiz hareketler ve beklemeler – açısından incelenerek israfları azaltacak şekilde yeniden dizayn edilmiştir. Çalışma, süreç adımlarının mevcut durumdaki genel hat kullanım oranları ve operasyon verimliliklerinin belirlenmesi, Mevcut Durum Değer Akış Haritası (DAH) ile israf kalemlerinin görsel olarak tanımlanması ve istatistiksel süreç kontrol yöntemleri ile analizi ile başlar. Daha sonra, talep miktarı ve termin süresi parametrelerine bağlı olarak hat verimliliğini arttıracak iyileştirme önerileri belirlenir ve değerlendirilen önerilerin hesaplanan sonuçları gelecek durum DAH'ları ile sunulur. Bu çalışmada ayrıca, DAH metodunu desteklemek ve alternatif iyileştirme senaryolarını karşılaştırmak amacıyla Arena yazılımı kullanılarak sistemin simülasyon modeli geliştirilmiştir.