中南大学学报（自然科学版）2012，Vol.43Issue(4)：1351-1354,4.
车用三效催化转化器剩余寿命的非等间隔灰色预测
Residual life prediction of three-way catalytic converter by using non-equidistance grey forecasting model
摘要
Abstract
In order to effectively forecast residual life of three-way catalytic converter, a nitrogen adsorption method was employed to measure the specific surface of three-way catalytic converter. Based on its experimental data, the residual life of the three-way catalytic converter was forecasted by the non-equidistance grey forecasting model. The posterior difference was processed for residual error on forecast. The results show that the specific surface reduction rate is 6.42%, and the residual life of three-way catalytic converter is not less than 120 000 km after aging 204 min. C<0.35> p>0.95, which indicates that the non-equidistance grey forecasting model has favourable accuracy with first degree.关键词
车用三效催化转化器/剩余寿命/非等间隔灰色预测模型Key words
three-way catalytic converter/ residual life/ non-equidistance grey forecasting model分类
能源科技引用本文复制引用
毛丽,左青松,刘冠麟,龚金科..车用三效催化转化器剩余寿命的非等间隔灰色预测[J].中南大学学报（自然科学版）,2012,43(4):1351-1354,4.基金项目
湖南省科技计划重点项目(2009CK2001) （2009CK2001）
湖南省高等学校科学研究一般项目(11C0494) （11C0494）
