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A novel T-S fuzzy control algorithm is presented for active queue management(AQM) in order to solve the problem of congestion control in TCP communication. This kind of control action has robust performance, which is suitable for time varying and complex network systems. For the particular TCP network mode, a T-S fuzzy model is done for the nonlinear TCP/IP network congestion control system. The performance...
An integrated approach on concept diagnosis is investigated in this study. Polytomous item relational structure (PIRS) is developed so that it is beyond the limitation of dichotomous items. Besides, student problem chart (S-P chart) is used to classify examinee into proper learning style. The integrated methodology of PIRS and S-P chart could display features of concept structures for each learning...
The aim of this study is to propose an new approach, fuzzy item response model (FIRM), which combines item response theory (IRT) and fuzzy set theory, in the educational or psychological measurement. Applying FIRM to improve the predictive validity of psychological measurement is verified. We set up a detailed procedure for the FIRM and apply it to a valuable empirical study with Beck Depression Inventory-II...
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