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The mining of workflow process aims at finding valuable objective information from log data. It leads useful implications for new business processes and analysis. Unfortunately most of business process data is incomplete and noisy which brings deficiencies for describing and mining workflow. The existing algorithms ignore time-based parameters, which is important for processing the incomplete workflow...
Creating fuzzy control rules is a core of fuzzy control system. With the development and improvement of data mining technology, in this paper, making use of the feature of data mining clustering algorithms to classify the similar characteristic data are classified as a class, and combining the theory of generating fuzzy control rules, a new way is proposed to acquire fuzzy rules.
Currently, a large number of clustering algorithms are available for data mining. But it will be difficult for people who to a large extent know little about data mining to select an appropriate clustering algorithm. In order to solve this problem, in this paper, we first comprehensively analyze a number of clustering algorithms, then summarize their evaluation criteria and apply the so-called fuzzy...
The algorithm to find the novelty temporal pattern from the temporal database is presented. The basic idea of the algorithm is firstly to extract the feature sequence from a time series, then to compare the feature points of the time series with ones of the normal pattern to decide whether there is a novelty pattern in the time series. The temporal relation of time series is reserved in the feature...
Product failure distribution research is a basic research for product advanced design and manufacture, and has an important role in intelligent computing. Traditional analysis of the failure distribution about small samples has some limitations, for example, the weibull distribution test is better as the sample size is more than 10; the Figure test is better as the sample size is more than 20; the...
Data dissemination and discovery is critical for ad-hoc wireless sensor networks. Most existing research depends on location information that is not always obtained easily, efficiently and accurately. We propose the concept of Contour-cast, a location-free data dissemination and discovery approach for large-scale wireless sensor networks. One important property of Contour-cast is that it does not...
Some algorithms of close degree in fuzzy pattern recognition were researched and their limitations in application were found. So a new algorithm of close degree was proposed based on fluctuation thought in this paper. The whole relation between various elements and fuzzy set was considered in the new algorithm. It could avoid that the little change of membership grade in fuzzy set result in tremendous...
Because fuzzy control rules play an important part in determining the quality of a fuzzy controller, when the fuzzy control rules are extracted, the problem about how to get rid of the unreasonable or incompatible rules should be considered, when it is in the field where people is inexperienced. To better the quality of the fuzzy controller, a method of revising the rule which is incompatible with...
It requires a quantity of related information to make a comprehensive evaluation on a subject's performance, state, etc. There may all together exist manifold uncertainties with different intrinsic qualities among the information needed, such as fuzziness, ignorance, incompleteness, incomplete reliability of the information etc. Nevertheless, in such cases, current comprehensive evaluation approaches...
Genetic algorithm is a classic algorithm for optimization. But there are some problems with it, such as prematurity, inefficiency. Another improved method is offered in the article. Some points in the article: first, make sure that all the chromosomes in the first generation are distributed. Second, in the crossover operation, decide if making a crossover between two chromosomes or not according to...
In this paper, a distributed data mining tool that suitable for distributed and isomeric database environment of intelligent control system by borrowing ideas from architecture of grid is introduced. It can also perform incremental data mining based on history mining result. This tool makes full use of metadata of each kind of resources. The resources associated in the data mining are all packed into...
This paper deduces a remarkably precise analytical formula for calculating the fundamental resonant frequency of V-shaped cantilevers using Rayleigh-Ritz method. This analytical formula, which is very convenient for MEMS sensor design, is then validated by ANSYS simulation. This formula raises a new perspective that, among all the V-shaped cantilevers, the simplest triangular cantilever can lead to...
The article constructs a data-mining software, which is suitable for distributed settings and dynamically incremental mining, and introduces the implementation of main part of software such as the main part's design proposal, the computation pattern, the system Metadata warehouse, the automatic connection of isomerism data resource pool, the withdrawal of data storage node's Metadata, the increment...
Due to the nonlinear and time-variant characteristics of a complicate industrial process, modern industrial control engineers are more likely to adopt fuzzy control method. In a fuzzy controller, its core is a group of fuzzy control rules. This paper presents some data mining methods to generate the language variables on which fuzzy control rules' generation depends. These methods are incremental...
The pressure of gas-collecting pipe is the main technology parameter in the production of coke oven. At present, people have adopted the advanced strategy that combined fuzzy control and expert controlling together in lots of factories. Fuzzy rules are generally created based on experience conclusions. It is in the basic of experience. This paper applies data mining to intelligent control, and it...
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