关键词: 二维产品保证, 产品使用率, 延伸性产品保证

Abstract: Under the situation that China's automobile industry was developed rapidly,the consumer's demand of extended warranties was increased and the two-dimensional extend warranty strategy was ignored in existing aboard researches,to help the automaker set two-dimensional extended warranty strategy scientifically,the research was made based on product usage rate.The fault model of two-dimensional extended warranty was constructed based on usage rate,and a two-dimensional extended warranties cost model combined with minimal repair and imperfect repair was established to optimize the extended warranty cost.The results showed that these two proposed models could effectively reduce two-dimension extended warranties cost with confirming the boundary parameter of guarantee period,and provide guidance for automobile manufacturer to make two-dimension extended warranty strategy.

Key words: two-dimensional warranty, usage rate, extended warranties