简介：Tbegoalofthispaperistoresearchonenewcharacteristicofcomplexsystem.Brittleness,whichisonenewcharacteriticofcomplexsystem,ispresentedinthispaper.Thelinguisticandqualitativedescriptionsofcomplexsystemarealsogiveninthispaper.Otherwise,thequalitativedescriptionofcomplexsystemispresentedatfirst.Onthebasisofanalyzingtheexistingbrittlenessproblems,linguisticdescriptionandmathematicdescriptionofbrittlenessaregivenaswell.Threekindsofphenomenatojudgebrittlenessofcomplexsystemarealsogiven,basedoncatastrophetheory.Basiccharacteristicsofbrittlenessaregivenonthebasisofitsmathematicdescription.Twocriticalpointsetsaredefinedbyusingcatastrophetheory.Thedefinitionofbrittlenessanditsrelatedtheorycanservethecontrolofcomplexsystem,andprovidetheoreticalbasisforthedesignandcontrolofcomplexsystem.

简介：当复杂系统的规模正在变得越来越大，从内部、外部的系统的干扰能在一个复杂系统导致一个分系统的倒塌。Theywill不仅做一分系统倒塌而且影响另外的分系统。而且，整个复杂系统罐头因而崩溃。复杂系统的倒塌的机制由于在这篇论文作为基本特征被介绍并且争论的复杂系统的易碎物。它是在导致整个系统的倒塌的分系统之间的易碎物连接熵。能被采用减少易碎物熵的有效方法能看见易碎物的成功的控制。