Papers by Keyword: Distributed

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Authors: Yi Liu
Abstract: Based on the analysis and study of the data storage strategy in wireless sensor networks, this paper presents a distributed data storage method based on sleep scheduling to resolve the problems of network imbalance and storage hot spots problems.Finally, multi group analysis of simulate experiments results show that compared to other data storage method the distributed data storage method based on composite threshold have obviously advantages on the sides of overall energy consumption,data storage capacity,the number of failure node and data quality,thus have a significant effect on reducing energy consumption and extending network life cycle.
Authors: Bo Li, Yi Ding Wang, Shuang Qiao, Zhi Qing Ma, Gui Fu Yang
Abstract: This paper describes a distributed system for monitoring the cameras and controlling the pan tilt zoom, banners and slogans. The system satisfies that users can operator the devices in any computer in the LAN of the express way system, and all video stream can be showed in both a video matrix and any computer in the LAN of the express way system as well. We employ web service and converter between network and serial communication line to implement the anywhere-accessing requirement.
Authors: Ming Kai Yu, Chong Yuan, Jing Xu
Abstract: In order to solve the problem of storage capacity configuration in distributed photovoltaic energy, firstly a brief introduction of the storage methods in distributed PV (photovoltaic) energy is given out. Then it mainly discusses the configuration mode of distributed photovoltaic battery energy storage capacity within a variety of methods and principles of the research situation. And their advantages and disadvantages are analyzed in detail. Finally, the energy storage capacity configuration problems to be solved in the future development and its application should be made to focus on the aspect shortly.
Authors: Yi Fan Yuan, Jiu Li Wang
Abstract: With the rapid development of hydropower in China, there are a lot of reservoirs under constructions are put into operation. Therefore, resource scheduling of distributed water conservancy project has become a key focus in current researches. Based on distributed water multi-level resources, the paper put forward to apply the improved genetic algorithm to reservoir resource scheduling. In this way, water level sequence can be the basic genetic algorithm coding scheme, and storage status of reservoir can be stored with the array. Then the genetic algorithm coding can be operated based on the corresponding array index of each reservoir. The paper tries to prove the feasibility of this scheduling policy with some examples, simplifying the process of scheduling algorithm and providing guiding basis for water resource scheduling.
Authors: Sheng Ke Gan, Feng Bin Wang
Abstract: This paper presents security rules summarized from the analysis of an distributed multidomain application. The paper proposes extensions to the core UCON model to address typical problems and requirements in the distributed multidomain environment such as: dynamic attributes, delegation authorization mechanism. The paper gives the definition of the important part of the extended UCON model such as: the basic sets, the system assertions and the actions.
Authors: Yang Bin Liu, Liang Shi, Bei Zhan Wang, Yuan Qin Wu, Pan Hong Wang
Abstract: In order to overcome the excessive dependence among the traditional intrusion detection system components, high rate false-alarm phenomenon caused by multiple alarms to the same invasion, inability to adaptively replace mining algorithm when testing environment has changed and other issues, this paper puts forward an Agent based distributed adaptive intrusion detection system, which employs Joint Detection mechanism for mining algorithm module, and Dynamic Election algorithm for the recovery mechanism, thereby improving the system adaptive ability to the external change.
Authors: Zhuang Xiong, Hua Wen Zhou, Xing Fang
Abstract: The virtual reality is a dynamic 3D environment of a emulated world produced by the computers, which can make the operators feel being personally on the scene. People can obtain perceptions they want and experience the detail things in virtual world by operating these hardwares such as joy sticks, safety goggles, the mouse action, earphone and so on. In this paper, the distributed virtual reality system was introduced and we analyzed how to establish this system.
Authors: Li Zhi Tang, Kun Peng Xu, Xue Qing Qi
Abstract: This paper presents a 6LoWPAN-based distributed energy efficiency of the terminal design, the distributed terminal node hardware and software design are discussed in detail and discussion. Packet reception rate of the nodes in a small experimental platform, the average delay time and the average consumption of energy and other performance parameters were analyzed. Experimental data show that the terminal node can well realize the IPv6 node interconnection of distributed energy efficiency and ensure its continuity.
Authors: Federico Carpi, Carlo Menon, Danilo De Rossi
Abstract: Technologies for space applications are often considered to be rather conservative, aimed at ensuring reliability and robustness. Nevertheless, novel concepts coming from research activities have been and are always the lymph for the development of successful and competitive new solutions. This paper presents new concepts and ideas inspired by natural systems with distributed actuation embedded in their structure, considered as ideal models for possible uses in space applications. Preliminary concepts for possible technical solutions for long-term future implementations are here proposed and briefly analyzed. Peristaltic-like actuations obtained by the use of dielectric elastomer actuators is proposed as one of the most promising solutions. Experimental performances of a single actuation unit are here presented and directions for future implementations are proposed.
Authors: Ming Li
Abstract: According to the problem that test system synchronization accuracy requirements are increasing. This paper designed a precise time stamp measurement systems that use hardware at the bottom to join timestamp in order to eliminate software latency effects, point to point and multipoint timestamp synchronization via synchronization algorithm based on prediction.
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