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Study on electrical and optical properties of nanocomposited MEH-PPV: TiO2 thin film for hybrid solar cells 混合太阳能电池用纳米复合MEH-PPV: TiO2薄膜的电学和光学性能研究
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148695
F. Zahid, M. Sarah, M. Rusop
{"title":"Study on electrical and optical properties of nanocomposited MEH-PPV: TiO2 thin film for hybrid solar cells","authors":"F. Zahid, M. Sarah, M. Rusop","doi":"10.1109/SCORED.2011.6148695","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148695","url":null,"abstract":"The performance of nanocomposited poly [2-methoxy-5-(2-ethylhexyloxy-p-phenylene-vinylene] (MEH-PPV) and titanium dioxide (TiO2) thin film for hybrid solar cells application has been investigated. The nanocomposited MEH-PPV:TiO2 thin film has been prepared on glass substrate using spin-coating deposition method at different composition (wt %) of TiO2 nanoparticle from 5 to 15 wt% at room temperature. The electrical conductivities of nanocomposited thin films were measured by solar simulator for both in dark and under AM 1.5 100 mW/cm2 white light illumination while a characterization of optical properties has been measured by using UV-Vis spectrophotometer to evaluate the absorbance as well as transmittance spectra of thin films. By comparing the nanocomposited MEH-PPV:TiO2 thin films to pure MEH-PPV, it was found there are changes in their properties either electrical photoconductivity or absorbance spectra. Purely MEH-PPV shows the highest photoconductivity 0.00441 S.m−1 compared to nanocomposited MEH-PPV:TiO2 thin film. Whilst the optical properties exhibited the increment of light absorption as the concentration of TiO2 in MEH-PPV increases compared to purely MEH-PPV alone with strong absorption at wavelength of 500 nm in visible ranges and 300 nm in UV ranges respectively.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"373 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115968927","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: 1
Heuristic methods for solution of FACTS optimization problem in power systems 电力系统FACTS优化问题的启发式求解方法
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148703
A. Rezaee Jordehi, J. Jasni
{"title":"Heuristic methods for solution of FACTS optimization problem in power systems","authors":"A. Rezaee Jordehi, J. Jasni","doi":"10.1109/SCORED.2011.6148703","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148703","url":null,"abstract":"This paper presents a comprehensive review on various heuristic methods for solution of flexible AC transmission systems (FACTS) optimization problem in power systems. First, it classifies FACTS optimization methods into four main groups, then subdivides heuristic methods into different subsets and discusses thoroughly about characteristics, advantages and disadvantages of each heuristic subset. Finally, some hints for future researches on this area will be offered.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116792051","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: 34
Roll sensing and Control Unit 横摇感应和控制单元
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148714
Abhilash Paliwal, S. Chopra, Sourabh Nawal
{"title":"Roll sensing and Control Unit","authors":"Abhilash Paliwal, S. Chopra, Sourabh Nawal","doi":"10.1109/SCORED.2011.6148714","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148714","url":null,"abstract":"A major problem in the handling of high speed performance vehicles is the rolling of the vehicle. While pushing the car to the limit sometimes the less experienced drivers tip it over the safe speed line and rolling of the car takes place. It leads to a number of accidents and thus in order to reduce the rolling effect we have come up with the innovation of Roll Sensing Control Unit(RSCU). The RSCU comprises of a piezoelectric material which will be incorporated in the suspension system of an off road vehicle. The RSCU which will be connected to the electronic control module will help in preventing the lateral roll and thus improve the handling of the vehicle by controlling its speed and hence provides a safer ride to the user. The RSCU will help the driver attain the optimum speed at a curve without cause the car to roll.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115769888","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: 0
Broad multiwavelength source using spectral slicing technique 使用光谱切片技术的宽多波长源
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148743
Shahabuddin Nurul Shahrizan, A. Mansoor, M. Othman, Z. Yusoff, H. A. Abdul Rashid
{"title":"Broad multiwavelength source using spectral slicing technique","authors":"Shahabuddin Nurul Shahrizan, A. Mansoor, M. Othman, Z. Yusoff, H. A. Abdul Rashid","doi":"10.1109/SCORED.2011.6148743","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148743","url":null,"abstract":"A simple multiwavelength source based on spectral slicing of supercontinuum is demonstrated. The spectral slicing technique using Sagnac loop mirror allows the generation of broad multiwavelength source extending from 1320 nm to 1750 nm.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115148805","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: 0
A comparison between binary and continuous genetic algorithm for collaborative spectrum optimization in cognitive radio network 二元遗传算法与连续遗传算法在认知无线电网络协同频谱优化中的比较
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148747
M. K. Hossain, Ayman A. El-Saleh, M. Ismail
{"title":"A comparison between binary and continuous genetic algorithm for collaborative spectrum optimization in cognitive radio network","authors":"M. K. Hossain, Ayman A. El-Saleh, M. Ismail","doi":"10.1109/SCORED.2011.6148747","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148747","url":null,"abstract":"The main obstacle for a cognitive radio (CR) is to detect the presence of primary users (PUs) reliably in order to reduce the interference to licensed communications. Genetic algorithms (GAs) are well suited for CR optimization problems to improve spectrum utilization by manipulating its unused portions and offer a solution to the apparent spectrum underutilization problem. In this paper, we present binary genetic algorithm (BGA) and continuous genetic algorithm (CGA)-based soft decision fusion (SDF) scheme for cooperative spectrum optimization in cognitive radio network (CRN). Then BGA-based optimization engine is implemented at the fusion center (FC) of a linear SDF scheme to optimize the linear coefficient vector with other conventional methods. The comparison between BGA and CGA shows that BGA performs better than CGA. Then the results and analysis confirm that BGA is efficient and stable and it outperforms conventional natural deflection coefficient- (NDC), modified deflection coefficient- (MDC-), maximal ratio combining- (MRC-) and equal gain combining- (EGC-) based SDF schemes as well as the OR-rule based hard decision fusion (HDF) scheme. It also verifies that the computation complexity of the BGA method meets the real time requirements of cognitive radio spectrum sensing.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127166144","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: 13
Vector controlled drives of Permanent Magnet Synchronous Motor using PI speed controller for long cable application 矢量控制驱动的永磁同步电机使用PI速度控制器长电缆的应用
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148769
Cheok Yong Seng, Z. Ibrahim
{"title":"Vector controlled drives of Permanent Magnet Synchronous Motor using PI speed controller for long cable application","authors":"Cheok Yong Seng, Z. Ibrahim","doi":"10.1109/SCORED.2011.6148769","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148769","url":null,"abstract":"This paper present a vector controlled drives of Permanent Magnet Synchronous Motor (PMSM) by using Proportional-Integral (PI) Speed controller for long cable application. As known, long cable caused an over voltage problem at motor terminal and could be double from the pulse output voltage at inverter terminal. This caused instability of the speed performances. PI speed controller is implemented to drive a PMSM with different cables length to investigated the speed performances, load disturbances and parameter variations of the system. Hysteresis current controller is used for inner loop current control and PI controller for outer loop speed control. Simulation results are provided to show performances on different cable length driving a PMSM.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127366406","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
Point-to-point trajectory tracking with discrete sliding mode control of an electro-hydraulic actuator system 基于离散滑模控制的电液作动器点对点轨迹跟踪
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148725
R. Ghazali, Y. M. Sam, M. F. Rahmat, D. Hanafi, R. Ngadengon, Z. Zulfatman
{"title":"Point-to-point trajectory tracking with discrete sliding mode control of an electro-hydraulic actuator system","authors":"R. Ghazali, Y. M. Sam, M. F. Rahmat, D. Hanafi, R. Ngadengon, Z. Zulfatman","doi":"10.1109/SCORED.2011.6148725","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148725","url":null,"abstract":"This paper presents the position tracking performance of an electro-hydraulic hydraulic actuator (EHA) system by using a discrete sliding mode control (DSMC). A point-to-point trajectory is used in the experimental works to evaluate the performance of the DSMC which is design in two-degree-of-freedom (2-DOF) control structure. The design consists of DSMC and a feed forward controller. The control law is derived from the reaching law concept and its parameters are determined methodically based on the identified model. Experimental results reveal that the DMSC with 2-DOF control structure is highly robust and capable to deal with the uncertainties and disturbances occur during the position tracking control for different point of trajectories. It is also shows that the proposed controller can achieve better tracking performance as compared to conventional LQR and PID controller.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126599209","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: 11
Modeling and optimization of kanban controlled manufacturing system using improved-Group method of data handling 基于改进成组数据处理方法的看板控制制造系统建模与优化
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148758
M. Pournasir, Md Jahangir Alam, G. Marthandan
{"title":"Modeling and optimization of kanban controlled manufacturing system using improved-Group method of data handling","authors":"M. Pournasir, Md Jahangir Alam, G. Marthandan","doi":"10.1109/SCORED.2011.6148758","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148758","url":null,"abstract":"One of the important sub-components in just-in-time (JIT) systems is number of optimal kanabn cards. Although a number of techniques exist for determining the number of kanbans, they have some shortcomings for operationalizing the kanban setting problem. In this paper, intelligent optimization method replace to old technique in kanban system to generate a structure that described the relationship between the operational factors and the number of kanbans with more accurately. We describe how the improved-Group method data handling algorithm can be used to improve the modeling and prediction accuracy when it is applied to kanban setting in just in time system.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125875528","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: 0
Effect of thickness on the transparency of nanocomposited MEH-PPV:CNTs:TiO2 thin film 厚度对MEH-PPV:CNTs:TiO2纳米复合薄膜透明度的影响
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148699
M. Sarah, F. Zahid, M. Rusop
{"title":"Effect of thickness on the transparency of nanocomposited MEH-PPV:CNTs:TiO2 thin film","authors":"M. Sarah, F. Zahid, M. Rusop","doi":"10.1109/SCORED.2011.6148699","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148699","url":null,"abstract":"Our work focuses on nanocomposited poly [2-methoxy, 5-(2′-ethyl-hexyloxy)-phenylenevinylene] (MEH-PPV) blend with carbon nanotube (CNTs) and titanium dioxide (TiO<inf>2</inf>). The conductivity under illumination of the nanocomposited MEH-PPV:CNTs:TiO<inf>2</inf> thin film was investigated with the thickness increased. The conductivity showed decrement in value from 6.7 × 10<sup>−6</sup> to 0.6 × 10<sup>−6</sup> S/m as the thickness increased. Mean while, the UV-vis spectra films at room temperature (300 K) showed a transmittance peak at 500 – 510 nm. The transmittance peaks reduced from 65 T% to 10 T% as the thickness increased while the optical band gap increased from 1.9, 2.0, 2.05 and 2.1 eV.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123621972","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: 1
Development of protection and restoration module in PON distribution section PON配电段保护与恢复模块的开发
2011 IEEE Student Conference on Research and Development Pub Date : 2011-12-01 DOI: 10.1109/SCORED.2011.6148711
M. S. Ab Rahman, M. Tanra, Z. Abd Manaf
{"title":"Development of protection and restoration module in PON distribution section","authors":"M. S. Ab Rahman, M. Tanra, Z. Abd Manaf","doi":"10.1109/SCORED.2011.6148711","DOIUrl":"https://doi.org/10.1109/SCORED.2011.6148711","url":null,"abstract":"Fiber to the Home - Passive Optical Network (FTTH-PON) network protection and restoration system is an important aspect to consider in order to ensure service availability and network reliability for the subscribers. In this paper, a protection and restoration mechanism has been proposed, focusing on the development of the protection and restoration module that could be integrated with the Optical Network Unit/ Terminal (ONU/T) without any modification to the communication signals. This solution will be used together with the developed Access Control System (ACS) modules that ensemble a complete distribution side protection and restoration solution. The protection scheme is enhanced with the sharing of neighbouring protection link should the main protection link failed. The feasibility of the solution is shown in the simulation results and has been analyzed and discussed accordingly.","PeriodicalId":383828,"journal":{"name":"2011 IEEE Student Conference on Research and Development","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121683685","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: 1
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