基于参数估计的锂离子超级电容系统故障诊断研究肖璎,艾贤策,朱建新( 上海交通大学汽车工程研究院,上海200240)Research of Li thi um —i onU l tracapaci tor SystemBased on the Param eter Esti m ati onXI AOQ i u,AI Xi an—ce,ZH UJ i an—xi n( Autom oti ve Engi neeri ng Research Insti tute of Shanghai J i aotong U ni versi ty,Shanghai 200240,Chi na)摘要:根据性能试验数据和锂离子混合超级电容器的基本原理,建立了适用于新型锂离子超级电容器的仿真模型。然后基于控制系统线性空间模型,采用参数估计的方法,利用输出残差信息对系统传感器及其他元部件故障进行故障诊断。在M at—l ab/Si m ul i nk环境下对系统进行仿真计算,结果表明,所采用的故障诊断策略可以有效地诊断出相关故障,具有较好的工程价值。关键词:锂离子超级电容;模型;故障诊断;参数估计中图分类号:U 270.11文献标识码:A文章编号:1001—2257( 2013) 03—0017—04Abstract:Thi spaperbul i d a m odelum —i onul tracapaci torof the l i thi —based on theperf orm aceexpri m entand thepri nci pl eof the l i thi um ——i on u1.-tracpaci tor.Then accordi ngt o the st at espacem od—el s,thi spaper adopt theparam eteresti m ati on andthe resi dualerrorto perf ormfaut di agnosi s on thecurrentsensor and other el ectri c com ponent.Thefaul t di agnosi sstrategyi stestedi na si m ul ati onsystermi n the M atl ab/Si m ul i nk envi ronm ent,theresul ti ndi cates thatthe faul t di agnosi s strategyi seffecti ve and has thegood potenti alof engi neeri ngappl i cati on.Keyw ords:l i thi um —i on ul tracapaci tor;m odel ;faul tdi agnosi s;param eteresti m ati on0