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Warm standby redundancy is a fault-tolerant technique balancing the low economical efficiency of hot standby and the long recovery time of cold standby. In this paper, motivated by practical engineering systems, a general demand-based warm standby system (DB-WSS) considering component degradation process is studied. A series of intermediate states exists between perfect functionality and complete...
The management of supply chain is the key process in enterprise developing; How to identify the risk of the supply chain and evaluate the affection of risk factors is very important. The identification of current situation of supply chain is briefly described at the beginning of this article, the SCOR model is introduced afterwards, and the index in predicting the risk of supply chain is also provided,...
High wind power penetration can have significant impact on the reliability performance of a power system due to the random nature of wind speed. The impact of wind power penetration on system reliability is critical for system planning and operation. In this paper, the system reliability has been studied considering the impact of wind farms. The universal generating function technique has been used...
The dynamical theory of chaos is the new analysis method of study on the exchange rate undulation in the foreign exchange market. In order to study the chaos behavior of the Euro exchange rate, this paper put the purchase price of the RMB to the Euro as the sample and analyzes the nonlinear character of the Euro exchange rate. This paper figures out the Hurst exponent by the R/S analysis and confirms...
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