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In distributed network, replicas are usually used to elevate data reliability and access efficiency. With the explosion of data quantity and complexity of network environment, the problem of replica consistency maintenance in data-intensive is confronted with challenge. The paper selects replica consistency maintenance in decentralized data centers as subject investigation. Firstly, we introduce the...
This paper first introduce the working principle of shovel. Then, aim to solve the key problem that the main motors of the shovel lift system and the push system burned down frequently, a scheme for protecting the motor is presented in this paper via detecting the current of the auxiliary radiator fan. This method is suitable for the mining industry, and possessed of popularization and application...
To solve the problem of prediction accurately cost in software cost estimation, a new method of software project life cycle cost estimate algorithms was proposed, based on Fuzzy rules dealt with multi-level discrete neural network structure and HCM clustering algorithms. A new software projects were divided into two apart: with similarity and without similarity. For the cost of former, fuzzy clustering...
In order to meet the fast maintenance requirements of modern missile, distributed fault diagnosis expert system is used in the decision-making of launch and maintenance of missile. Firstly, this paper builds missile distributed fault diagnosis expert system based on FMEA (fault model and effects analysis). According to the maintenance requirements, then diagnosis task can be divided into two stages,...
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