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This paper aims to apply the bio-inspired intelligent techniques to optimize the maintenance scheduling of transformers. The study is enhanced with the aid of forest optimization algorithm to reach a schedule of reduced failure rate and decreased insulation life loss of transformers. To verify the effectivity of this approach, the method is tested on a real distribution system consisting of 48 distribution...
In this paper we report on the development of a sub-kW fuel cell stack integrated with a NaBH 4 -based hydrogen generator. The fuel cell stack was built with 15 open-cathode PEMFCs and employed two fans to supply air for electrochemical reactions as well as for cooling. The open-cathode design simplifies the system’s balance-of-plant. The performance of the present YZFC-OA stack showed an...
Opportunistic routing (OR) is a promising concept to improve throughput and reliability by utilizing the broadcast nature of the wireless medium. Previous studies focus on OR with single channel scenario; however, multi-channel is widely used over wireless communication systems. Due to the overhearing and dynamic forwarding aspects, OR obtains worse throughput gain for additional channels. This paper...
Opportunistic routing (OR) is an upcoming and promising routing technique for wireless multihop networks. The key concepts behind OR is overhearing and cooperation among relaying nodes; therefore, OR works well in wireless multihop networks with higher node density, such as mesh or sensor networks. OR enables multiple routes and dynamic relay selection, thus, it obtains higher link reliability and...
This paper focuses on incentive, free rider, and fairness issues of p2p streaming systems. P2P streaming systems, applying p2p model over streaming applications, significantly improve the system scalability. However, instability and loose control of p2p model also impose uncertainty factors to p2p streaming systems. This paper proposed a contribution-aware p2p model, denoted as CAPS- Contribution...
Peer-to-peer (P2P) is believed to be an efficient and economic platform for data sharing and content distribution, especially for large-sized files. In p2p overlay networks, the management of service capacity is extremely important because it affects average download time and fairness. Since the system resources of a p2p network are purely relied on user contributions, fairness becomes a primary factor...
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