2008 IEEE Conference on Innovative Technologies in Intelligent Systems and Industrial Applications最新文献

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Study on electrical properties of Zinc Oxide thin film 氧化锌薄膜电性能的研究
A. Halim, H. Hashim, M. Rusop, M. H. Mamat, A. Zoolfakar
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引用次数: 17
An investigation on control strategies for fast transient response of SMPS SMPS快速瞬态响应控制策略研究
J. Jegandren, R. Gobbi, H. Athab
{"title":"An investigation on control strategies for fast transient response of SMPS","authors":"J. Jegandren, R. Gobbi, H. Athab","doi":"10.1109/CITISIA.2008.4607344","DOIUrl":"https://doi.org/10.1109/CITISIA.2008.4607344","url":null,"abstract":"This paper presents a thorough literature reviews of control methods to improve transient response in switch mode power supply (SMPS). A fast transient response to a step load change is very essential in a power supply. The transient response can be improved by means of feedback control method. There are two feedback control methods widely used for SMPS that are, voltage mode control (VMC) and peak current mode control (PCMC). A simulation study on these feedback control methods has been done using Matlab/Simulink. It is found that the PCMC helps the SMPS for a faster transient response compared to the VMC. Based on all the reviews a new method is being investigated known as \"Voltage Injection Switching Inductor\" (VISI) method. This feedback control method provides a better transient response to PCMC. The comparison of these simulation results validates the proposed idea.","PeriodicalId":194815,"journal":{"name":"2008 IEEE Conference on Innovative Technologies in Intelligent Systems and Industrial Applications","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128956758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Implementation of several rendering and volume rotation methods for volume rendering of 3D medical dataset 三维医学数据集体绘制的几种绘制和体旋转方法的实现
Thean Wui Ooi, H. Ibrahim, K. Toh
{"title":"Implementation of several rendering and volume rotation methods for volume rendering of 3D medical dataset","authors":"Thean Wui Ooi, H. Ibrahim, K. Toh","doi":"10.1109/CITISIA.2008.4607334","DOIUrl":"https://doi.org/10.1109/CITISIA.2008.4607334","url":null,"abstract":"In common CT or MRI scanning, volumetric data are acquired as a series of separated slices. Normal practice requires radiologists to interpret the three-dimensional (3D) object or volumetric data by studying these individual slices. Nevertheless, this process is burdensome and time-consuming. With the help from rendering techniques, these indirectly will ease the decision-making process and improve the effectiveness and efficiency of treatment planning. In general, surface rendering and volume rendering are among techniques widely used in medical applications. Among these, volume rendering is the most common visualization technique used to render both geometric and densitometric of data under investigation. This project implements three types of visualization methods based on volume rendering technique which are maximum intensity projection (MIP), local maximum intensity projection (LMIP) and ray-casting to investigate their limitations and significances. Different methods can be used to depict different features of the object in the data. The uses of methods are dependent on user demand and specified application. In order to assist radiologists to understand better on the nature of the 3D object and increase efficiency on detecting locations of abnormalities in the structure of the object, this project is also implementing volume rotation methods, which are Euclidean transformation and shear transformation to rotate the volumetric data in three-dimension space based on user-defined viewing angles. With the incorporation of volume rotation and rendering methods, these might help radiologists to depict different features of the object in any viewing angles.","PeriodicalId":194815,"journal":{"name":"2008 IEEE Conference on Innovative Technologies in Intelligent Systems and Industrial Applications","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121126907","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
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