Discrete event system(DES)models promote system engineering,including system design,verification,and assessment.The advancement in manufacturing technology has endowed us to fabricate complex industrial systems.Conseq...Discrete event system(DES)models promote system engineering,including system design,verification,and assessment.The advancement in manufacturing technology has endowed us to fabricate complex industrial systems.Consequently,the adoption of advanced modeling methodologies adept at handling complexity and scalability is imperative.Moreover,industrial systems are no longer quiescent,thus the intelligent operations of the systems should be dynamically specified in the model.In this paper,the composition of the subsystem behaviors is studied to generate the complexity and scalability of the global system model,and a Boolean semantic specifying algorithm is proposed for generating dynamic intelligent operations in the model.In traditional modeling approaches,the change or addition of specifications always necessitates the complete resubmission of the system model,a resource-consuming and error-prone process.Compared with traditional approaches,our approach has three remarkable advantages:(i)an established Boolean semantic can be fitful for all kinds of systems;(ii)there is no need to resubmit the system model whenever there is a change or addition of the operations;(iii)multiple specifying tasks can be easily achieved by continuously adding a new semantic.Thus,this general modeling approach has wide potential for future complex and intelligent industrial systems.展开更多
In-cosmetics global17-19 April,2018Event venue:The Netherlands More info:www.in-cosmetics.com/global CI Korea 201817-19 April, 2018Event venue:Hall 8, KINTEX2, Korea More info:www.cikorea.org/eng/exhibitor/application...In-cosmetics global17-19 April,2018Event venue:The Netherlands More info:www.in-cosmetics.com/global CI Korea 201817-19 April, 2018Event venue:Hall 8, KINTEX2, Korea More info:www.cikorea.org/eng/exhibitor/application01.asp CCBE (spring)19-21 April, 2018Event venue:Chengdu Century City New International, Chengdu, China More info:www.meibohui.com/展开更多
Asia’s largest fashion events opened on Jan.18, 2010 in Hong Kong, showcasing the industry’s newest collections, looks and products and attracting nearly 2,000 exhibitors from 30
As the main communication mediums in industrial control networks,industrial communication protocols are always vulnerable to extreme exploitations,and it is very difficult to take protective measures due to their seri...As the main communication mediums in industrial control networks,industrial communication protocols are always vulnerable to extreme exploitations,and it is very difficult to take protective measures due to their serious privacy.Based on the SDN(Software Defined Network)technology,this paper proposes a novel event-based anomaly detection approach to identify misbehaviors using non-public industrial communication protocols,and this approach can be installed in SDN switches as a security software appliance in SDN-based control systems.Furthermore,aiming at the unknown protocol specification and message format,this approach first restructures the industrial communication sessions and merges the payloads from industrial communication packets.After that,the feature selection and event sequence extraction can be carried out by using the N-gram model and K-means algorithm.Based on the obtained event sequences,this approach finally trains an event-based HMM(Hidden Markov Model)to identify aberrant industrial communication behaviors.Experimental results clearly show that the proposed approach has obvious advantages of classification accuracy and detection efficiency.展开更多
The 13th China International Diecasting Congress ＆ Exhibition（CHINA DIECASTING 2018） and 2018 China NonferrousAlloys ＆ Special Casting Exhibition （CHINA NONFERROUS2018） were held concurrently July 18-20 at Shang...The 13th China International Diecasting Congress ＆ Exhibition（CHINA DIECASTING 2018） and 2018 China NonferrousAlloys ＆ Special Casting Exhibition （CHINA NONFERROUS2018） were held concurrently July 18-20 at Shanghai NewInternational Expo Centre. The events were co-organized bythe Foundry Institution of Chinese Mechanical EngineeringSociety （FICMES）, Shenyang Zhongzhu Foundry ProductivityPromotion Center Co., Ltd. （FPC） and the State Key Laboratoryof Light Alloys Casting Technologies for High-end Equipment.展开更多
基金supported by the National Natural Science Foundation of China(U21B2074,52105070).
文摘Discrete event system(DES)models promote system engineering,including system design,verification,and assessment.The advancement in manufacturing technology has endowed us to fabricate complex industrial systems.Consequently,the adoption of advanced modeling methodologies adept at handling complexity and scalability is imperative.Moreover,industrial systems are no longer quiescent,thus the intelligent operations of the systems should be dynamically specified in the model.In this paper,the composition of the subsystem behaviors is studied to generate the complexity and scalability of the global system model,and a Boolean semantic specifying algorithm is proposed for generating dynamic intelligent operations in the model.In traditional modeling approaches,the change or addition of specifications always necessitates the complete resubmission of the system model,a resource-consuming and error-prone process.Compared with traditional approaches,our approach has three remarkable advantages:(i)an established Boolean semantic can be fitful for all kinds of systems;(ii)there is no need to resubmit the system model whenever there is a change or addition of the operations;(iii)multiple specifying tasks can be easily achieved by continuously adding a new semantic.Thus,this general modeling approach has wide potential for future complex and intelligent industrial systems.
文摘In-cosmetics global17-19 April,2018Event venue:The Netherlands More info:www.in-cosmetics.com/global CI Korea 201817-19 April, 2018Event venue:Hall 8, KINTEX2, Korea More info:www.cikorea.org/eng/exhibitor/application01.asp CCBE (spring)19-21 April, 2018Event venue:Chengdu Century City New International, Chengdu, China More info:www.meibohui.com/
文摘Asia’s largest fashion events opened on Jan.18, 2010 in Hong Kong, showcasing the industry’s newest collections, looks and products and attracting nearly 2,000 exhibitors from 30
基金This work is supported by the Hainan Provincial Natural Science Foundation of China(618QN219)the National Natural Science Foundation of China(Grant No.61501447)the General Project of Scientific Research of Liaoning Provincial Department of Education(LYB201616).
文摘As the main communication mediums in industrial control networks,industrial communication protocols are always vulnerable to extreme exploitations,and it is very difficult to take protective measures due to their serious privacy.Based on the SDN(Software Defined Network)technology,this paper proposes a novel event-based anomaly detection approach to identify misbehaviors using non-public industrial communication protocols,and this approach can be installed in SDN switches as a security software appliance in SDN-based control systems.Furthermore,aiming at the unknown protocol specification and message format,this approach first restructures the industrial communication sessions and merges the payloads from industrial communication packets.After that,the feature selection and event sequence extraction can be carried out by using the N-gram model and K-means algorithm.Based on the obtained event sequences,this approach finally trains an event-based HMM(Hidden Markov Model)to identify aberrant industrial communication behaviors.Experimental results clearly show that the proposed approach has obvious advantages of classification accuracy and detection efficiency.
文摘The 13th China International Diecasting Congress ＆ Exhibition（CHINA DIECASTING 2018） and 2018 China NonferrousAlloys ＆ Special Casting Exhibition （CHINA NONFERROUS2018） were held concurrently July 18-20 at Shanghai NewInternational Expo Centre. The events were co-organized bythe Foundry Institution of Chinese Mechanical EngineeringSociety （FICMES）, Shenyang Zhongzhu Foundry ProductivityPromotion Center Co., Ltd. （FPC） and the State Key Laboratoryof Light Alloys Casting Technologies for High-end Equipment.
