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Computer has been widely used and fully researched along with the progress of electronic technology. We are no longer satisfied with simple calculation in computer application, but expect they can replace the human brain to accomplish complex work. So the artificial intelligence has emerged. There is a very classic research topic in the history of artificial intelligence — Intelligent Planning. IJCAI...
In order to make the circuit fault diagnosis system more intelligent, efficient. IsDS decision algorithm is presented based on the process of model-based diagnosis. Model-based circuit fault diagnosis system is designed and realized with SAT solvers by means of applying IsDS decision algorithm and combining CSSE-tree method. Firstly the normal behavior, system mo del and obtained observations are...
Signal separation is one of the significant topics in the signal processing era. How to obtain the separated signal from the mixed (source) signals is the key issue. In general, the statistical characteristics are utilized in analysing the signals. In this study, the mixed two-dimensional (2-D) signals with Gaussian distributions are consider in the signal separation task. The exponential type of...
Due to its capability of parallel search, content addressable memory (CAM) has been widely used on the applications requiring high-speed data search. In recent years, the architectures and design techniques for CAM have been consistently evolving. However, the incoming testing issues for those newly evolved CAM designs are not fully discussed. In this paper, we investigate the testing issues for a...
Imitating the antibody diversity maintaining mechanism of immune system to realize the global optimization is a target that the immune algorithm try to achieve. Based on the in-depth study of inhibition concentration mechanism, the global optimization characteristic of existing immune algorithm is analyzed, then a global conservation strategy for colony is proposed. Based on the strategy, the improved...
Due to the limitation of DTN resource and intermittent connection, it's challenging to design a mechanism which achieves high message delivery successful ratio and control congestion to satisfy the demand. In this paper, a novel DTN congestion control routing mechanism, Ant Colony Optimization(ACO) for DTN congestion control algorithm(ADC) is proposed. In the message delivery, this mechanism can actively...
Partitioning network, especially some DTN, can use Message Ferry(MF) scheme to restore network connection. Message TTL describes the maximum delay tolerance of transmission and messages with out-of-date TTL should be dropped. In this paper, we will study the problem of how to design the ferry's moving route dynamically to get high message delivery ratio under the constraint of message TTL, which we...
Network topology measurement is the basis of network management which makes better use of Internet for people. Using Trace route tool is the traditional way to get information about the network topology. However, Trace route sends numerous packets into the network which increases the network load. In order to reduce the amount of duplicated packets, this paper presents an algorithm named BST. According...
An Algorithm to calculate the diameter of triple-loop networks TL(N;1,s,s+2) is presented. C# serving as programming language and SQL Server 2000 serving as database are used to execute the algorithm. The diameter of such family of triple-loop networks whose N is given at random and s varied from 2 to N-3, can be calculated by simulating the hyper-L shape tiles. The diameter of such family of triple-loop...
Delay-Tolerant/Disruption-Tolerant Networks (DTNs) have been proposed to cope with the challenges of communication in some extreme or special environments. Due to the uncertainty of node mobility, application traffic demand and other factors, it is difficult to provide performance guarantee for a DTN where all nodes may move arbitrarily. With controlled mobility, message ferries can be utilized to...
With multiprocessor systems, redundant scheduling is a technique that trades processing power for increased reliability through redundancy. One novel approach, called primary-backup task scheduling, is a large number of used in hard real-time multiprocessor systems to guarantee the deadlines of tasks faults. In this paper, we analysis and compare the scheduling algorithm based on primary-backup replication...
Optimal maneuvering opportunity calculation of ballistic missile is a complicated optimum programming in nonlinear system which need compute trajectories of maneuvering and interception missiles simultaneity, and the requirement of precision and efficiency can not be ignored, so traditional algorithms such as enumeration and heuristic method can not satisfy the requirement because of the low efficiency...
In the cellular MIMO systems, the system capacity can be increased by multi-user diversity (MUD). On the other hand, the system capacity can also be increased by effective frequency reuse factor allocation (FRF) algorithm. In this paper, a multi-user hybrid FRF algorithm is proposed. Both MUD and effective FRF allocation will be realized. As a result, the system capacity is increased greatly. The...
Clustering analysis based on ant swarm intelligence is discussed. As traditional clustering algorithm is easy to obtain local optimum, it uses ant swarm intelligence to obtain global search. It improves the clustering by locating the objects in a cluster with the probability, which is updated by the pheromone, while the rule of updating pheromone is according to total within cluster variance. According...
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