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2013 21st Iranian Conference on Electrical Engineering (ICEE)最新文献

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A hybrid Gravitational search algorithm — Genetic algorithm for neural network training 一种用于神经网络训练的混合引力搜索算法——遗传算法
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599894
Saeideh Sheikhpour, M. Sabouri, S. Zahiri
{"title":"A hybrid Gravitational search algorithm — Genetic algorithm for neural network training","authors":"Saeideh Sheikhpour, M. Sabouri, S. Zahiri","doi":"10.1109/IRANIANCEE.2013.6599894","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599894","url":null,"abstract":"Tuning optimum parameter of neural networks, such as weights and biases, has major effects on their performance improvement. Estimation of optimum values for these parameters requires strong and effective training methods, so that the error of the training data reaches its minimum. This paper presents, a suitable training method for optimizing neural networks parameters using a novel hybrid GA-GSA algorithm. Extensive experimental results on different benchmarks show that the hybrid algorithm, performs equal to or better than standard GSA, and backpropagation algorithm.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124454298","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: 23
A novel approach to secure image based steganography by using eigenvalue and eigenvector principles 基于特征值和特征向量原理的图像隐写安全新方法
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599635
S. A. Hosseini-pour, Mohadeseh Soleimanpour, H. Nezamabadi-pour
{"title":"A novel approach to secure image based steganography by using eigenvalue and eigenvector principles","authors":"S. A. Hosseini-pour, Mohadeseh Soleimanpour, H. Nezamabadi-pour","doi":"10.1109/IRANIANCEE.2013.6599635","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599635","url":null,"abstract":"In this paper, a novel steganography technique by using the concepts of eigenvalues and eigenvectors is presented. In our proposed method, first a symmetric transformation matrix is calculated based on the information of the cover image and a combination of the cover image and the secret image. Afterward, the eigenvalues and eigenvectors of the transformation matrix are extracted and sent as a secret key. In this approach, in order to improve the performance of proposed method a special symmetric matrix is proposed. In receiver, the secret image is extracted from cover image by using secret key. The main privilege of the proposed method is high capacity and security. In the proposed method as another advantage the cover image is not changed. The experimental results demonstrate the superiority of proposed method in terms of data capacity and image quality.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"15 12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127641354","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
Design and construction of a new SRM sensorless driver 一种新型SRM无传感器驱动器的设计与构造
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599579
M. Rafiee, E. Afjei, A. Siadatan
{"title":"Design and construction of a new SRM sensorless driver","authors":"M. Rafiee, E. Afjei, A. Siadatan","doi":"10.1109/IRANIANCEE.2013.6599579","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599579","url":null,"abstract":"A new sensorless circuit for Switched Reluctance Motor (SRM) is designed, constructed and tested in this paper. The circuit uses three steps to control the SRM. One of them is used in motor starting. The other one controls the motor in low speed and the third one is used in high speed. These steps are implemented by an inexpensive AVR microcontroller chip. An asymmetric bridge converter is used to excite the winding of the motor phases. The presented sensorless board is then constructed and tested on two SRMs which are three-phase 12 by 8 and three-phase 6 by 4 SRMs. The parameters of these motors which are required in sensorless techniques are obtained by Finite Element Method (FEM) analysis. The operational waveforms and results that are obtained in laboratory are illustrated in different figures.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126408411","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: 4
A comprehensive load reduction demand response program for spinning reserve provision 纺纱储备供给的综合减负荷需求响应方案
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599717
E. Heydarian‐Forushani, M. P. Moghaddam, M. Sheikh‐El‐Eslami
{"title":"A comprehensive load reduction demand response program for spinning reserve provision","authors":"E. Heydarian‐Forushani, M. P. Moghaddam, M. Sheikh‐El‐Eslami","doi":"10.1109/IRANIANCEE.2013.6599717","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599717","url":null,"abstract":"A comprehensive load reduction demand response (LRDR) program in which, consumer can participate in provision of spinning reserve through electricity market is proposed in this paper. This concept considers the network constraints and takes into account both energy and reserve markets. The characteristics of the LRDR program such as maximum amount of load reduction, maximum/minimum load reduction duration and initiation cost related to load reduction are considered in this model. The proposed approach is tested on a six bus test system for 24 hours. The results presented indicate that integrating demand side participation in reserve market can lead to significant decrease in costs.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"279 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115899413","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: 2
Effect of observer agent on ad hoc teamwork in the pursuit domain 观察者智能体对追逐域自组织团队合作的影响
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599845
Matin Kheirkhahan, M. Kangavari, Farimah Farahmandi
{"title":"Effect of observer agent on ad hoc teamwork in the pursuit domain","authors":"Matin Kheirkhahan, M. Kangavari, Farimah Farahmandi","doi":"10.1109/IRANIANCEE.2013.6599845","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599845","url":null,"abstract":"As autonomous agents proliferate in the real world, both in software and robotic settings, they will increasingly need to band together for cooperative activities with previously unfamiliar teammates. Having autonomous agents capable of learning its previously unknown teammates' preferences and acting in harmony with them to achieve the system's end has been declared as a challenge to the AI. An agent capable of ad hoc teamwork is one that can effectively cooperate with multiple potential teammates on a set of collaborative tasks. This agent has to learn other agents' behaviours and preferences in order to be able to predict their actions on some level. This paper presents an empirical study of ad hoc teamwork, taking advantage of Observer System's merits. Specifically, we evaluate a learning mechanism for on-line behaviour generation on the part of a single ad hoc team agent that must collaborate with other unknown teammates in the pursuit domain.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"s3-44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130200376","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
Application of trans Z-source inverter in photovoltaic systems 反z源逆变器在光伏系统中的应用
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599601
Mehran Moslehi Bajestan, M. Shahparasti, D. Khaburi
{"title":"Application of trans Z-source inverter in photovoltaic systems","authors":"Mehran Moslehi Bajestan, M. Shahparasti, D. Khaburi","doi":"10.1109/IRANIANCEE.2013.6599601","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599601","url":null,"abstract":"In this paper a new photovoltaic system based on trans Z-source inverter(Trans-ZSI) is proposed. This inverter has been derived from quasi Z-source inverter recently. Trans Z-source network consists of one transformer and one capacitor. While maintaining all prominent features of previous Z-source inverters, Trans Z-source inverter has several unique advantages such as increased voltage gain, reduced voltage stress and reduced components of impedance network. Due to these features, using trans Z-source inverter as a single stage converter in photovoltaic systems gives satisfactory results. In this paper the application of trans-ZSI in photovoltaic systems in both stand alone mode and grid connected mode has been investigated. By using the dynamic model of trans ZSI, the proper controllers for both stand alone mode and grid connected mode is designed. By controlling the shoot through duty ratio and modulation index, output voltage control has been performed in stand alone mode. Maximum power delivering and unity power factor is achieved through the use of controller in grid connected mode. Simulation results are presented to verify the ability of proposed system.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134527369","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: 8
Robust observer-based controller design for T-S systems with nonlinear consequent parts 具有非线性后件的T-S系统的鲁棒观测器控制器设计
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599612
H. Moodi, M. Farrokhi
{"title":"Robust observer-based controller design for T-S systems with nonlinear consequent parts","authors":"H. Moodi, M. Farrokhi","doi":"10.1109/IRANIANCEE.2013.6599612","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599612","url":null,"abstract":"This paper considers the design of robust observer-based controller for a class of continuous-time nonlinear systems in the presence of disturbances. The system is presented by Takagi-Sugeno (T-S) model with nonlinear consequents. The proposed T-S structure reduces the number of rules in the Sugeno model by using local nonlinear rules. To the knowledge of authors this is the first time that robust output feedback controller design of continuous time systems with nonlinear consequent T-S model is considered. The proposed controller guarantees H∞ performance of the system by using linear matrix inequality (LMI) formulation. Numerical examples illustrate effectiveness of the proposed method as compared to the existing methods in literature.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133896580","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
A mathematical dynamic model for static and dynamic behaviours of MEMS-based AC voltage reference source 基于mems的交流电压基准源的静态和动态行为的数学动态模型
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599714
A. Mehrnezhad, A. Suratgar, S. Khatami, Sima Sobhiyeh
{"title":"A mathematical dynamic model for static and dynamic behaviours of MEMS-based AC voltage reference source","authors":"A. Mehrnezhad, A. Suratgar, S. Khatami, Sima Sobhiyeh","doi":"10.1109/IRANIANCEE.2013.6599714","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599714","url":null,"abstract":"This paper proposes a complete dynamical model of MEMS-based AC voltage reference sources. Static and dynamic models are investigated in both ideal and non-ideal conditions. State space equations are proposed to extract the non-ideal dynamic model considering instability factors such as, offset voltage across dielectric layer and built-in voltage. These state space equations provide the opportunity to control system behaviour, enabling accurately stabilized reference voltages.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"08 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132972067","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: 12
Immersion and invariance based fault tolerant adaptive spacecraft attitude control 基于浸没和不变性的容错自适应航天器姿态控制
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599830
D. Bustan, S. K. H. Sani, N. Pariz
{"title":"Immersion and invariance based fault tolerant adaptive spacecraft attitude control","authors":"D. Bustan, S. K. H. Sani, N. Pariz","doi":"10.1109/IRANIANCEE.2013.6599830","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599830","url":null,"abstract":"In this paper, an immersion and invariance (I&I) adaptive fault tolerant satellite attitude tracking control scheme is proposed. The proposed controller is capable of track the desired trajectory in the presence of unknown actuator multiplicative faults and unknown inertial matrix. Also based on Lyapunov direct method, all closed loop signals are proven to be globally asymptotically stable. The main advantage of this controller is improving closed loop performance while maintaining stability in the presence of unknown actuator faults. This method does not rely on certainty equivalence principle so it can be used to control the transient response of overall closed loop system by means of controlling the parameter estimation behavior which is not possible in traditional adaptive control. Numerical simulations are performed to demonstrate the effectiveness of proposed control scheme.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132795198","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: 8
Compare noise characteristic of DC-HEMT and HEMT 比较DC-HEMT和HEMT的噪声特性
2013 21st Iranian Conference on Electrical Engineering (ICEE) Pub Date : 2013-05-14 DOI: 10.1109/IRANIANCEE.2013.6599546
S. Sadeghi, M. Vadizadeh, R. Faez
{"title":"Compare noise characteristic of DC-HEMT and HEMT","authors":"S. Sadeghi, M. Vadizadeh, R. Faez","doi":"10.1109/IRANIANCEE.2013.6599546","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2013.6599546","url":null,"abstract":"We compare noise characteristics of Al0.3Ga0.7N /GaN/ Al0.06Ga0.94N/GaN DC-HEMT and Al0.3Ga0.7N /GaN HEMT. The DC-HEMT exhibits high gain and high current and low noise. The noise characteristics are calculated as a function of gate voltage as well as drain voltage. The noise curve versus gate voltage also shows three regions. And also the noise curve versus drain voltage shows two regions. The first region is related to the triode region of the transistor where the noise decreases with increase of the drain voltage. The second region is related to the saturation region of the transistor where the noise is almost constant.","PeriodicalId":383315,"journal":{"name":"2013 21st Iranian Conference on Electrical Engineering (ICEE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133304771","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: 4
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