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Formation control is a main topic of the coordination control of multi-agent system, its aim is to steer the overall system to track with the predefined path while keep some specific geometric patterns through information exchange between agents. The main problems of formation control are reviewed in this paper, including the stability and controllability of formation control, and communication issues...
The object of this paper was carried out to detect distribution characteristics of two important heavy metal-Cu, Pb in surface sediment in Huangpu River which is the main stream situated in Shanghai city. All the 30 samples were classified into four types corresponding to the sediments from spring, summer, autumn and winter in 2006, respectively. The concentration of Cu and Pb in surface sediment...
This article identifies and analyzes operational risks for farmerspsila associations in Taiwan, revealing the relationship between risk and operational efficiency. Using the concept of risk management, this paper identifies five types of operational risk currently affecting farmerspsila associations: external environmental risk, financial risk, organizational risk, leadership and decision-making risk,...
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