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Analysis ofHigb Frequency Transformer Design in Converter Application

Mohd Yusoff, Mohd Fareez (2008) Analysis ofHigb Frequency Transformer Design in Converter Application. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Data obtained from Cone Penetration Test has been used to develop site layering system and soil classification. Common approach for soil classification from cone data is to use graph and charts that correlate cone resistance and other non dimensional factor to obtain a soil type. This approach, or other approach based on this type of graph has been known to produce a rapid change of soil type even for a close vertical distance. This rapid change is believed beyond the possible range associated with random formation of oil, rather because of fixed artificial boundary established when developing such graph. In this context, fuzzy approach is consider to be superior to represent smooth change between soil layers compare to crisp approach. This paper describes procedure for soil classification based on Cone Penetration Test (CPT) using Fuzzy Expert System (FES). Fuzzy membership function is derived to approximate known correlation between cone penetration and friction resistance to each soil group. Simple rules are used to classify primary soil group (sand, silt, clay) and secondary soil group (silty clay, clayey sand, etc.). Preliminary work using only membership function of primary soil type indicates that soil type inferred using FES is found out to be comparable to other method in term of consistency between two adjacent cone readings. However, FES moderately performs to identify secondary soil type if compared to visual observation from boring log.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Structures, materials and construction
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 30 Sep 2013 16:07
Last Modified: 25 Jan 2017 09:45
URI: http://utpedia.utp.edu.my/id/eprint/7105

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