【作者】 解晶；

【导师】 何桢；

【作者基本信息】 天津大学 ， 管理科学与工程， 2005， 硕士

【摘要】 产品价格的确定,不仅要考虑生产成本,还应考虑到售后服务等因素,产品保修已经成为非价格竞争下售后服务的主要内容。本文即从生产商的角度对产品的保修过程进行研究,建立数学模型,最终确定最佳保修期限和最小保修费用。本文首先研究了保修成本的基础理论,介绍了保修成本理论的国内外研究现状,明确了保修的概念,讨论和分析了保修策略的种类以及其适用情形。同时为了有效阐明产品的生命周期及保修过程,引入了有关可靠性理论和更新理论的基本知识,为研究奠定了基础。在此基础上,先对单部件可修产品进行了研究,针对故障部件是否可以“修复如新”这两种情形,在不同的保修策略和不同的故障分布下分别建立保修成本数学模型,并对模型进行评价。最后,本文对多部件复杂产品当其系统结构分别为串联、并联或混合系统时进行研究,給出了在采取免费更换保修策略下最优保修费用的计算方法。更多还原

【Abstract】 The product’s price is determined not only by production costs but also by servicecosts. Warranty is the main point of service of non-price competition. In thisdissertation, we investigate in depth the process of warranty from manufacturers’point of view and establish math model of the warranty cost so that we can get theoptimal warranty length and the minimal warranty cost.Firstly, this paper studies the basic theories of warranty cost. Based on the literaturereview in the field, it specifies the concept of warranty, analyzes the types ofwarranty polices appropriate to different situations. Besides these, the paperintroduces the theories of reliability and renewal process in order to explainefficiently the product life cycle and the procedure of warranty.Afterwards, this paper concentrates on the research of a repairable system consistingof one component. Aiming at two cases of the system after repair which is whether“as good as new” or not, it establishes some models under different warranty policiesand the distributions of failure function, evaluates these models.At last, the paper studies several system warranty cost models of a renewablerisk-free for multi-component products with system structure such as series, parallel,series-parallel, and parallel-series.更多还原