基于可靠性的城市軌道交通車(chē)輛架修模式優(yōu)化及方法研究
本文選題:城市軌道交通車(chē)輛 + 架修。 參考:《南京理工大學(xué)》2017年碩士論文
【摘要】:城市軌道交通車(chē)輛架修的維修質(zhì)量與維修效率直接影響城市軌道交通運(yùn)營(yíng)的可靠性和運(yùn)營(yíng)上線率水平。在保障維修質(zhì)量和運(yùn)營(yíng)可靠性的前提下,進(jìn)行城市軌道交通車(chē)輛架修模式優(yōu)化及方法的研究,對(duì)提高城市軌道交通車(chē)輛上線率,提升城市軌道交通運(yùn)營(yíng)服務(wù)水平,合理配置維修資源,實(shí)現(xiàn)維修經(jīng)濟(jì)性具有重要意義。本文從城市軌道交通車(chē)輛架修維修流程和維修周期兩個(gè)方面對(duì)城市軌道交通車(chē)輛架修模式進(jìn)行優(yōu)化。在架修維修流程優(yōu)化方面,主要是通過(guò)對(duì)架修維修模塊化設(shè)計(jì),結(jié)合RCM(Reliability Centered Maintenance)分析,以維修時(shí)間最短為目標(biāo)建立架修流程優(yōu)化模型,運(yùn)用模擬退火算法求解,從而縮短架修庫(kù)停時(shí)間,提高架修維修效率。在架修維修周期優(yōu)化方面,主要是結(jié)合層次分析法對(duì)城市軌道交通車(chē)輛部件進(jìn)行ABC分類(lèi),選取關(guān)鍵部件,運(yùn)用應(yīng)用數(shù)理統(tǒng)計(jì)對(duì)關(guān)鍵部件故障數(shù)據(jù)進(jìn)行分布檢驗(yàn)和參數(shù)估計(jì),明確故障概率密度函數(shù)和可靠度函數(shù),以維修費(fèi)用最小為目標(biāo)建立架修周期優(yōu)化模型,在運(yùn)營(yíng)可靠性的前提下延長(zhǎng)架修維修周期,提高維修經(jīng)濟(jì)效益。文章選取典型的車(chē)輛運(yùn)用與檢維修評(píng)價(jià)指標(biāo)對(duì)城市軌道交通車(chē)輛架修模式進(jìn)行評(píng)價(jià),并采用定時(shí)截尾試驗(yàn)方法對(duì)可靠性進(jìn)行評(píng)估。通過(guò)對(duì)城市軌道交通車(chē)輛架修模式的優(yōu)化,不僅提高了維修效率,還提升了車(chē)輛的上線率水平;雖然延長(zhǎng)了架修維修周期,但車(chē)輛運(yùn)營(yíng)可靠性仍處于較高水平。文章以某地鐵公司為例對(duì)論文的研究進(jìn)行驗(yàn)證與應(yīng)用。文章建立的城市軌道交通車(chē)輛架修維修流程優(yōu)化模型和維修周期優(yōu)化模型在城市軌道交通車(chē)輛架修模式優(yōu)化及實(shí)際維修過(guò)程中具有一定的可實(shí)施性和指導(dǎo)意義。
[Abstract]:The maintenance quality and efficiency of urban rail transit vehicle frame repair have a direct impact on the reliability of urban rail transit operation and the level of line ratio. On the premise of ensuring maintenance quality and operation reliability, the optimization and method of frame repair mode of urban rail transit vehicle are studied, which can improve the line rate of urban rail transit vehicle and improve the service level of urban rail transit operation. It is of great significance to allocate maintenance resources reasonably and realize maintenance economy. This paper optimizes the repair mode of urban rail transit vehicle from two aspects: maintenance flow and maintenance cycle. In the aspect of frame repair and maintenance process optimization, the modular design of frame repair and maintenance, combined with RCM(Reliability Centered maintenance analysis, is used to establish the framework repair process optimization model aiming at the shortest maintenance time, and the simulated annealing algorithm is used to solve the problem. Thus, the stop time of the shelf maintenance is shortened, and the efficiency of the frame repair is improved. In the aspect of frame repair and maintenance cycle optimization, the paper mainly classifies the parts of urban rail transit vehicle by ABC combined with AHP, selects the key parts, and applies mathematical statistics to carry out the distribution test and parameter estimation of the fault data of the key parts. The probability density function and reliability function of fault are defined and the optimal model of maintenance cycle is established with the aim of minimum maintenance cost. The maintenance cycle is extended under the premise of operational reliability and the economic benefit of maintenance is improved. This paper selects the typical evaluation index of vehicle application and inspection and maintenance to evaluate the maintenance mode of urban rail transit vehicle, and evaluates the reliability by using the method of periodic truncation test. By optimizing the maintenance mode of urban rail transit vehicles, not only the maintenance efficiency is improved, but also the upper line rate level of the vehicle is improved. Although the maintenance cycle is prolonged, the reliability of the vehicle operation is still at a higher level. This paper takes a subway company as an example to verify and apply the research. The optimal maintenance process model and maintenance cycle optimization model of urban rail transit vehicle have certain practicability and guiding significance in the optimization of frame repair mode and actual maintenance process of urban rail transit vehicle.
【學(xué)位授予單位】:南京理工大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類(lèi)號(hào)】:U279
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