%A YANG Wen-hua,XU Chang,YE Hai-bo,ZHOU Yu,HUANG Zhi-qiu %T Taxonomy of Uncertainty Factors in Intelligence-oriented Cyber-physical Systems %0 Journal Article %D 2020 %J Computer Science %R 10.11896/jsjkx.191100052 %P 11-18 %V 47 %N 3 %U {https://www.jsjkx.com/CN/abstract/article_18910.shtml} %8 2020-03-15 %X Cyber-physical systems are increasingly presenting the characteristic of intelligence,while uncertainty is pervasive and intrinsic in them,e.g.,the sensors contain inevitable errors when the systems sense the environment through them.If the uncertainty is not properly handled,it will affect the correct running of the systems and bring a series of problems.Therefore,it is critical to study how to deal with uncertainty in cyber-physical systems.The premise of handling uncertainty is that we first need to understand and recognize it comprehensively.However,the existing work on the uncertainty of cyber-physical systems is still in its infancy.To address this issue,this paper studied the taxonomy of uncertainty in cyber-physical systems.Specifically,this paper classified the uncertainty based on the widely recognized 5C technology architecture in cyber-physical systems and introduced the possible uncertainties at each level of the technology architecture with illustrating examples in typical cyber-physical systems.Meanwhile,to help understand the current research status of uncertainty handling in the field of cyber-physical systems,this paper summarized the current research work and presented an outlook of future research directions for intelligence-oriented cyber-physical systems.