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船舶火災事故應(yīng)急物資優(yōu)化配備問題研究

發(fā)布時間:2018-07-18 14:05
【摘要】:船舶在海上航行會面臨各種風險,如碰撞、觸礁、觸損、擱淺、浪損、火災爆炸等事故,船舶火災事故在船舶各類事故中所占的比例并不是很大,但是由于船舶火災事故一旦發(fā)生,很容易造成船舶的全損。同時,由于船舶火災事故發(fā)生地點的特殊性,事故難以得到及時全面地救援,導致船舶火災事故的危害性很大。減少船舶火災事故的損失,可以從降低事故發(fā)生的概率和減少事故發(fā)生后造成的損失兩方面著手。因此,系統(tǒng)地研究防護、自我免疫以及救援物資的配備,確定合理的應(yīng)急物資配備水平對減少船舶火災事故造成的損失具有重大意義。 本文研究船舶火災事故應(yīng)急物資的配備,以時間效益最大以及災害損失最小為目標,遵循快速響應(yīng)、防救結(jié)合、優(yōu)化配置以及系統(tǒng)性原則,從系統(tǒng)的角度出發(fā),采用控制理論方法,確定事故發(fā)生前應(yīng)急物資的合理配備水平。論文首先從系統(tǒng)的研究角度構(gòu)建了應(yīng)對船舶火災事故的安全與應(yīng)急物資配備系統(tǒng),認為基于事前的物資配備包括防護、自我免疫以及救援三個階段,分析了系統(tǒng)的結(jié)構(gòu)和功能。然后依據(jù)控制理論方法,認為系統(tǒng)的三個階段相互聯(lián)系,相互影響,防護、自我免疫以及救援在時間上有先后順序,并且救援階段對自我免疫和防護有反饋作用,自我免疫階段對防護階段有反饋作用,從而影響階段物資投入量的大小,通過對系統(tǒng)三個階段的分析,抽象出系統(tǒng)的控制流程,建立了以損失最小為目標的數(shù)學模型,并認為模型在每一階段物資投入量對閾值的邊際貢獻相等時達到最優(yōu)。最后給出算例分析,假定函數(shù)關(guān)系和相關(guān)參數(shù)已知,通過對模型的MATLAB仿真計算,得到物資配備系統(tǒng)三個階段物資配備的比例,最終確定了船舶火災事故應(yīng)急物資的配備量,驗證了控制論在該領(lǐng)域應(yīng)用的正確性。
[Abstract]:Ships in the sea will face a variety of risks, such as collision, reef, contact damage, grounding, wave damage, fire explosion and other accidents, ship fire accidents in all kinds of accidents in the ship is not very large, However, once a ship fire accident occurs, it is easy to cause total damage to the ship. At the same time, because of the particularity of the place where the ship fire accident occurs, it is difficult to get timely and comprehensive rescue, which leads to the great harmfulness of the ship fire accident. To reduce the loss of ship fire accident, we can reduce the probability of the accident and the loss caused by the accident. Therefore, it is of great significance to study systematically the protection, self-immunity and the allocation of rescue materials, and to determine the reasonable level of emergency supplies to reduce the loss caused by ship fire accidents. This paper studies the allocation of emergency materials for ship fire accident, aiming at the maximum time benefit and minimum disaster loss, following the principles of quick response, combination of prevention and rescue, optimization of allocation and system, and proceeding from the point of view of system. The control theory is used to determine the reasonable allocation level of emergency materials before the accident. In this paper, the system of safety and emergency equipment for ship fire accident is constructed from the point of view of system research. The structure and function of the system are analyzed based on the three stages of protection, self-immunization and rescue. Then according to the control theory and method, it is considered that the three stages of the system are interrelated, interacted, protected, self-immunized and rescued in order of time, and the rescue stage has feedback effect on self-immunization and protection. The self-immunization stage has feedback effect on the protection stage, thus affecting the size of the material input load in the stage. Through the analysis of the three stages of the system, the control flow of the system is abstracted, and the mathematical model aiming at the minimum loss is established. It is considered that the model is optimal when the marginal contribution of material input to the threshold is equal at each stage. Finally, an example is given, which assumes that the functional relationship and related parameters are known. Through the MATLAB simulation of the model, the proportion of the three stages of the material supply system is obtained, and the quantity of the emergency materials for the ship fire accident is finally determined. The correctness of the application of cybernetics in this field is verified.
【學位授予單位】:大連海事大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:U698.4

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