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In this paper, an approach is proposed to design synchronization protocols for a network of second-order multi-agents. We prove a series of sufficient conditions for different asymptotic coordination dynamics including synchronization, consensus and stability. These conditions are rather general, which can include some existing results as corollaries. In addition, we can employ them to construct novel...
In the context of industrial size circuits, the interconnection of many blocks from many sources lead to globally asynchronous locally synchronous designs. The transmission of information between clock domains requires complex synchronizers, the correctness of which must be thoroughly verified. Current EDA tools are able to recognize predefined synchronizing modules, but fail to identify custom synchronizers...
Time synchronization protocols, such as NTP (Network Time Protocol), are frequently used on IP (Internet protocol) networks. These protocols estimate the clock time offset by measuring the Round Trip Time (RTT). In this estimation, errors may occur by delay variation, which is included in the measured RTT values. To avoid this, a conventional minimum filter technique using a fixed sample size has...
The tractor speed of all-position automatic pipeline welding carriage was controlled smoothly, which is the important guarantee for improving efficiency of welding and quality of welding. In allusion to the strict demand of synchronization of dual motor driving the running mechanism, the profile velocity operating mode using for vector group based on CAN-open protocol is presented, a novel protocol...
Monitoring a large-scale wireless sensor networks (WSN) is very difficult, not only because it is large and complex, much of difficulty comes from the lack of visual analysis tools. This paper describes SNDS (Sensor Network Distributed Sniffer), a distributed monitoring and protocol analysis system for large and complex sensor networks. SNDS is based on the use of sniffers co-deployed with the target...
This paper analyzes the effects on synchronization performances of the accuracy of skew and offset estimates, the short and long-term stability of the unregulated clock, the rate at which timing information is exchanged within the network. The work makes use of a simulated clock based on the state-variable model, for which realistic parameters are obtained from experimental measurements of Allan variance...
The virtually synchronous execution model provides an appropriate support for developing reliable applications when the crash failure model is being assumed. Using it, group broadcasts only need to be based on asynchronous communication. Synchronization points are set when a view change arises, guaranteeing an efficient execution of such reliable applications. But a crash failure model is not always...
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