【摘要】：目前國內(nèi)外研究船舶動力定位的方法很多，提出的定位效果評估指標(biāo)也不一致。在船舶動力定位系統(tǒng)研發(fā)中，若完全依靠實(shí)船試驗(yàn)來判斷系統(tǒng)性能，則不僅會耗費(fèi)大量人力物力財力，如何驗(yàn)證這些動力定位系統(tǒng)的合理性和有效性，是一個值得深入研究的課題。對動力定位系統(tǒng)效能進(jìn)行評估，是為了規(guī)范動力定位系統(tǒng)的設(shè)計活動，通過評估發(fā)現(xiàn)問題，總結(jié)經(jīng)驗(yàn)，從而提高DP系統(tǒng)設(shè)計效率，完善動力定位運(yùn)作機(jī)制，最終全面提高定位效能。 本文以某大型挖泥船動力定位系統(tǒng)為對象，從動力定位系統(tǒng)的RAM指標(biāo)、人員指標(biāo)以及綜合性能指標(biāo)三方面入手，研究建立了動力定位系統(tǒng)的評估指標(biāo)體系和評估模型，以模糊綜合評價法為基礎(chǔ)，，對評估算法進(jìn)行了研究和改進(jìn)，并采用VB語言設(shè)計并實(shí)現(xiàn)了評估計算軟件。 論文完成的主要工作有：(1)采用Delphi法和遞階層次結(jié)構(gòu)，從RAM（可靠性、可用性、可維護(hù)性）、人員素質(zhì)指標(biāo)、系統(tǒng)綜合指標(biāo)三方面建立了動力定位評估指標(biāo)體系；(2)研究了基于AHP的模糊綜合評價算法，建立了單級模糊綜合評估模型和多級模糊綜合評估模型；(3)采用AHP模糊評價法和改進(jìn)的IAHP-F法對動力定位系統(tǒng)RAM指標(biāo)進(jìn)行了評估；(4)將動態(tài)模糊集理論引入到動力定位系統(tǒng)可變因素的評價活動中，采用動態(tài)模糊綜合評價法對動力定位系統(tǒng)可變因素人員指標(biāo)進(jìn)行了評估；(5)利用模糊綜合評判法對動力定位系統(tǒng)的綜合指標(biāo)，即計算機(jī)控制系統(tǒng)、測量系統(tǒng)以及動力推進(jìn)系統(tǒng)進(jìn)行了評估，并分析了各個因素對評估結(jié)果的影響力大�。�(6)根據(jù)動力定位系統(tǒng)指標(biāo)體系的權(quán)值算法與綜合評估模型，實(shí)現(xiàn)了基于VB語言的程序設(shè)計與軟件開發(fā)。 論文以挖泥船動力定位系統(tǒng)為評估算例，對所研究的效能綜合評估模型和方法進(jìn)行了分析、驗(yàn)證，該評估方法可以為船舶動力定位系統(tǒng)的設(shè)計和完善提供參考依據(jù)。
[Abstract]:At present, there are many methods to study the dynamic positioning of ships at home and abroad, and the evaluation indexes of the positioning effect are not consistent. In the research and development of ship dynamic positioning system, if we rely on the real ship test to judge the system performance, we will not only spend a lot of manpower and material resources, but also how to verify the rationality and effectiveness of these dynamic positioning systems. It is a subject worthy of further study. The purpose of evaluating the effectiveness of the dynamic positioning system is to standardize the design activities of the dynamic positioning system, to improve the efficiency of the design of the DP system and to improve the operation mechanism of the dynamic positioning system by evaluating and discovering problems and summarizing the experience. Finally, the overall efficiency of positioning is improved. In this paper, the dynamic positioning system of a large dredger is taken as the object. The evaluation index system and the evaluation model of the dynamic positioning system are established from three aspects: the RAM index, the personnel index and the comprehensive performance index of the dynamic positioning system. Based on the fuzzy comprehensive evaluation method, the evaluation algorithm is studied and improved, and the evaluation calculation software is designed and implemented by VB language. The main work of this paper is as follows: (1) by using Delphi method and hierarchical structure, the dynamic positioning evaluation index system is established from three aspects: RAM (reliability, usability, maintainability), personnel quality index and system comprehensive index; (2) the fuzzy comprehensive evaluation algorithm based on AHP is studied, and the single-stage fuzzy comprehensive evaluation model and multi-stage fuzzy comprehensive evaluation model are established. (3) the RAM index of dynamic positioning system is evaluated by using AHP fuzzy evaluation method and improved IAHP-F method. (4) the dynamic fuzzy set theory is introduced into the dynamic positioning system variable factor evaluation, and the dynamic fuzzy comprehensive evaluation method is used to evaluate the dynamic positioning system variable factor personnel index. (5) the comprehensive index of dynamic positioning system, that is, computer control system, measurement system and dynamic propulsion system, is evaluated by using fuzzy comprehensive evaluation method, and the influence of each factor on the evaluation result is analyzed. (6) the programming and software development based on VB language is realized according to the weight algorithm and comprehensive evaluation model of the index system of dynamic positioning system. Taking the dynamic positioning system of dredger as an example, this paper analyzes and verifies the effectiveness comprehensive evaluation model and method, which can provide a reference for the design and improvement of ship dynamic positioning system.
【學(xué)位授予單位】：江蘇科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：U664.82

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