LEE- Deniz Ulaştırma Mühendisliği-Doktora

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http://hdl.handle.net/11527/19252

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Konu "Fuzzy logic" ile LEE- Deniz Ulaştırma Mühendisliği-Doktora'a göz atma
  • Öge
    Fuzzy logic system applied to the optimization of BWMS with emphasis on stakeholders' management
    ( 2020) Da Silva Jorge, Sara ; Satır, Tanzer ; 625761 ; Deniz Ulaştırma Mühendisliği Ana Bilim Dalı
    The International Convention for the Control and Management of Ships' Ballast Water and Sediments (IMO, 2018 Edition) was adopted in 2004 and came into force on 8 September 2017, aiming to produce global regulations to monitor and control the transfer of potentially invasive species. Large efforts have been made by the maritime industry in creating reliable strategies for the installation of systems on board (Register, 2014). Environmental considerations (INTERTANKO, 2018) and optimization of the management systems (IMO, 2017 Report) are the main factors considered to tackle this matter. These factors are translated into a wide range of solutions for retrofitting and new building services, which is evidenced through the substantial amount of data disclosed and analyzed by different parties showing that optimization processes will have an important role for management systems. The analysis of a BWMS project in terms of implementation involves a series of requests in both the initial and concept phases, which are operationally and technically based. The project feasibility, as the market becomes more competitive, is a major aspect to managing projects of this order with the highest levels of monitoring and process control. At a time when engineering processes are reliant on large sources of data, and multienvironmental constraints cannot be neglected, consistent analysis must be studied and applied in the maritime industry. The project management, on the sub field of stakeholders' management, (Bourne, 2016) brings a myriad of shipping agents connected to ballast water management matters with different levels of knowledge, experience and commitment - according to the engineering perspective. From an engineering perspective, categorizing the agents involved and assessing the outcomes are important matters. The stakeholders' expertise is considered at the BWM Convention and its amendments set an important call, in terms of deliverables, to the industry. Avoiding any delay in operation is not the only answer to this call; setting up an optimized and sustainable operation after the installation project for a BWMS is also important. A consistent implementation strategy must be stated before the BWM system installation project starts – the management of stakeholders' is an important aspect of this process. This relies on their expertise, which in turn results in a high level of engagement and supports the implementation plan into the organizations. Another aspect to be taken into account for this analysis is the oil tankers' unique characteristics of purpose and operation, which can be amplified by their hazardous atmosphere. This brings the application of specific classification areas and explosion proof to the system to be installed on board. In this thesis, this type of vessel isxxii highlighted, due to its high levels of regulation, compared to other segments, for example, bulk carriers. In the introduction, the establishment of a framework of management systems to be optimized, with the location of the main constraints, is addressed. Frameworking the process doesn't mean restricting the process, as the research is a dynamic entity, subject to revisions as the investigation advances. The framework provides an understanding of the research and the overall picture as to what it includes and where it starts and finishes. The study of the technical solutions for the management systems available is the first objective of the data analysis in this thesis. Understanding how the makers are presenting solutions according to the BWM Convention is important, because most of the consultants in the market are presenting their analysis for installation based on rankings offered by the same range of data (IMO provides a list of final approved makers). As the research progressed, the stakeholders' management analysis became the main point, where the expertise of the key stakeholders about the BWM Convention is measured, analyzed and translated into a group of coefficients, which are central to the optimization process. The data analyzed was obtained from a series of interviews made from January/2019 to August/2019. Then, the use of Fuzzy Logic principles (Mamdani) – as an instrument of evaluation from the rankings obtained by multi-criteria analysis (from the database of makers) accomplishes the main objective of this thesis, where the peculiarities about oil tankers' modelling are demonstrated through the analysis of 2 optimization case studies (Suezmax and Aframax)