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Multi-Agent System for Optimization of Microgrids
Foo Y.S. Eddy,Gooi H.B 전력전자학회 2011 ICPE(ISPE)논문집 Vol.2011 No.5
Microgrids are low voltage networks usually located at the consumer end of the distribution system. It typically consists of consumer loads, energy storage and small generation systems and is capable of islanding to protect itself against grid supply interruption. With the increased awareness of clean energy power systems, renewable technologies such as solar PV, wind turbines and fuel cells are gradually emerging within the power system network, and control and management for these equipment are necessary to ensure the stable operation of microgrids. However, existing centralized control systems are unable to handle the large number of renewable components and thus, a decentralized control scheme called Multi-Agent System (MAS) is introduced to manage these components. The implementation of distributed control will include JADE as the platform for agent communications as well as developing customizable agents for specific microgrid requirements such as ancillary services, power trading and negotiation and network security.
Ulaganathan, V.,Kandiah, M.,Zalilah, M.S.,Faizal, J.A.,Fijeraid, H.,Normayah, K.,Gooi, B.H.,Othman, R. Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Objective: Colorectal cancer (CRC) and the metabolic syndrome (MetS) are both on the rise in Malaysia. A multi-centric case-control study was conducted from December 2009 to January 2011 to determine any relationship between the two. Methods: Patients with confirmed CRC based on colonoscopy findings and cancer free controls from five local hospitals were assessed for MetS according to the International Diabetes Federation (IDF) definition. Each index case was matched for age, gender and ethnicity with two controls (140: 280). Results: MetS among cases was highly prevalent (70.7%), especially among women (68.7%). MetS as an entity increased CRC risk by almost three fold independently (OR=2.61, 95%CI=1.53-4.47). In men MetS increased the risk of CRC by two fold (OR=2.01, 95%CI, 1.43-4.56), demonstrating an increasing trend in risk with the number of Mets components observed. Conclusion: This study provides evidence fora positive association between the metabolic syndrome and colorectal cancer. A prospective study on the Malaysian population is a high priority to confirm these findings.