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8篇 您的检索式:作者名="Yunwei L"
    题名 作者 年代 出处 被引量
1Behavior modeling and verification of movement authority scenario of Chinese Train Control System using AADL显示文摘Train control systems like most digital controllers are, by definition, hybrid systems as they interact with or try to control some aspects of the physical world. Detailed behavior modeling with constraints specification and formal verification, required for reliability prediction, is a great challenge for hybrid system designers.Train control systems further intensify this challenge with extensive interaction between computing units and their physical environment and their mutual dependence on each other. In this paper, we investigate behavior modeling and formal verification of Chinese Train Control System Level 3(CTCS-3) using Architectural Analysis & Design Language(AADL) to cope with this challenge. AADL is an architecture description language for embedded systems and is based on model-based engineering paradigm. Along with structural modeling of embedded systems using the core language constructs, AADL also provides support for language extension through annex sublanguages. In system requirements specification document, the behavior of the CTCS-3 is specified as a set of basic operation scenarios that cooperate with each other to achieve safe and secure functionality of trains.Movement Authority(MA) scenario, explored in this paper, is considered as a basic and most crucial scenario to prevent trains from colliding with each other. The detailed discrete behavior of control system is modeled and verified using the Behavior Language for Embedded Systems with Software(BLESS) annex sublanguage of AADL, and the continuous behavior of train with the cyber–physical interaction(communication between train and control system) is modeled using the Hybrid annex sublanguage. The behavior of the MA scenario at system level is verified using the Hybrid Hoare Logic theorem prover. Behavior constraints are specified as assertions using first-order logic formulas augmented with a simple temporal operator.AHMAD Ehsan DONG YunWei LARSON Brian Lü JiDong TANG Tao ZHAN NaiJun 2015Science China(Information Sciences)2015,58,11:4
2An islanding microgrid power sharing approach using enhanced virtual impedance control scheme显示文摘Jinwei H Yunwei L Guerrero J M 2013IEEE Transactions on Power Electronics2013,28,11:1
3A dual-functional medium voltage level DVR to limit downstream fault currents显示文摘Li Yunwei Vilathgamuwa D M Poh C L 2007IEEE Transactions on Power Electronics2007,22,4:1
4Design, analysis, and real-time testing of a controller for multibus microgrid system显示文摘Li Yunwei Vilathgamuwa D M Poh C L 2004IEEE Trans on Power Electronics2004,19,5:1
5Microgrid power quality enhancement using a three-phase four-wire grid-interfacing compensator显示文摘Li Yunwei Vilathgamuwa D M Poh C L 2005IEEE Transactions on Industry Applications2005,41,6:1
6Cytosolic HMGB1 controls the cellular autophagy/apoptosis checkpoint during inflammation显示文摘Zhu Xiaorong Messer Jeannette S Wang Yunwei Lin Fanfei Cham Candace M Chang Jonathan Billiar Timothy R Lotze Michael T Boone David L Chang Eugene B 2015Journal of Clinical Investigation2015,,3:1
7Design,analy- sis,and real-time testing of a controller for multibus microgrid system显示文摘YUNWEI L VILATHGAMUWA D M POH C L 2004IEEE Trans on Power Electronics2004,19,5:1
8Photoinduced conversion of silver nanospheres to nanoprisms显示文摘Jin Rongchao Cao Yunwei Mirkin C A Kelly K L 2001Science2001,294,5548:1
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