2010 18th Iranian Conference on Electrical Engineering最新文献

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Designing edge detection filters using Particle Swarm Optimization 基于粒子群算法的边缘检测滤波器设计
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5507008
M. Alipoor, Sajjad Imandoost, J. Haddadnia
{"title":"Designing edge detection filters using Particle Swarm Optimization","authors":"M. Alipoor, Sajjad Imandoost, J. Haddadnia","doi":"10.1109/IRANIANCEE.2010.5507008","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5507008","url":null,"abstract":"This paper presents a novel edge detection method based on Particle Swarm Optimization. Unlike classical filters that are set by intuitive knowledge, a new filter is proposed on the basis of evolutionary computation. A proper synthetic training image and its edge map are used to find an optimum edge filter. The advantage of this method is that an effective edge detection filter can be easily constructed. Provided results certify that our proposed method outperforms commonly used edge detection algorithms.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132111936","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: 14
New approach for detection and defending the wormhole attacks in Wireless ad hoc networks 无线自组织网络中虫洞攻击检测与防御的新方法
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5507050
M. Taheri, M. Naderi, M. Barekatain
{"title":"New approach for detection and defending the wormhole attacks in Wireless ad hoc networks","authors":"M. Taheri, M. Naderi, M. Barekatain","doi":"10.1109/IRANIANCEE.2010.5507050","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5507050","url":null,"abstract":"A Wireless ad-hoc network is a temporary network set up by wireless mobile computers (or nodes) moving arbitrary in the places that have no network infrastructure. Due to security vulnerabilities of the routing protocols, wireless ad-hoc networks are unprotected to attacks of the malicious nodes. The wormhole attack is possible even if the attacker has not compromised any hosts, and even if all communication provides authenticity and confidentiality. In the wormhole attack, an attacker records packets (or bits) at one location in the network, tunnels them to another location, and retransmits them there into the network. The wormhole attack can form a serious threat in wireless networks, especially against many ad hoc network routing protocols and location-based wireless security systems. For example, most existing ad hoc network routing protocols, without some mechanism to defend against the wormhole attack, would be unable to send routes longer than one or two hops, severely disrupting communication. We present a new, general mechanism, called MultiPath Routing, for detecting and thus defending against wormhole attacks.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123932960","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: 24
Modeling of a hybrid power system for economic analysis and environmental impact in HOMER 霍默电厂混合动力系统的经济分析和环境影响建模
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506962
Ahmad Rohani, K. Mazlumi, H. Kord
{"title":"Modeling of a hybrid power system for economic analysis and environmental impact in HOMER","authors":"Ahmad Rohani, K. Mazlumi, H. Kord","doi":"10.1109/IRANIANCEE.2010.5506962","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506962","url":null,"abstract":"This paper shows the way to design the aspects of a hybrid power system that will target remote users. It emphasizes the renewable hybrid power system to obtain a reliable autonomous system with the optimization of the components size and the improvement of the capital cost. The system can provide electricity for a remote located village. The main power of the hybrid system comes from the photovoltaic panels and wind generators, while the fuel cell and batteries are used as backup units. The optimization software used for this paper is HOMER. HOMER is a design model that determines the optimal architecture and control strategy of the hybrid system. The simulation results indicate that the proposed hybrid system would be a feasible solution for distributed generation of electric power for stand-alone applications at remote locations.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123979637","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: 84
Analysis of hybrid robust controller considering disturbance, noise and time-delay 考虑干扰、噪声和时滞的混合鲁棒控制器分析
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506990
F. Asharif, S. Tamaki, T. Nagado, T. Nagata
{"title":"Analysis of hybrid robust controller considering disturbance, noise and time-delay","authors":"F. Asharif, S. Tamaki, T. Nagado, T. Nagata","doi":"10.1109/IRANIANCEE.2010.5506990","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506990","url":null,"abstract":"In this paper, we aim to stabilize the unstable system by loop shaping method with H∞ controller. Moreover after stabilizing the system we need to modify the system which is unstable due to time-delay element by Internal Model Controller considering the uncertainty of control object and time-delay element. Time-delay will happen during the long distance communication. Therefore, when control object is located in long distance, the transmitted reference signal will be delayed certainly. For this reason even though we stabilize the control object by loop-shaping, it will be an unstable system by time-delay elements. In this paper we consider an unstable control object such as ballistic missile. Generally, missiles are required be controlled from long distance. Therefore we stabilize the control object with H∞ controller and later compensate the system which is unstable due to time-delay element by Internal Model Controller.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124577006","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
Simultaneous on-line monitoring and wave-net learning 同时在线监测和波网学习
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506984
M. Jafari, A. Safavi
{"title":"Simultaneous on-line monitoring and wave-net learning","authors":"M. Jafari, A. Safavi","doi":"10.1109/IRANIANCEE.2010.5506984","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506984","url":null,"abstract":"Current on-line wave-net learning algorithm adapts the primary identified process model with the new changes in time varying processes without a consideration of abnormal situations in the process operation. Therefore, if a disturbance occurs and makes changes in the process, current on-line learning updates the primary model to an unsuitable model. This paper proposes a procedure that first determines normal variations of time-varying processes from abnormal variations incorporating an adaptive dynamic principal component analysis (Adaptive DPCA) and updates the model only based on normal variations. A double continuously stirred tank reactors (CSTR) case study is invoked to show the effectiveness of the proposed approach. The results show the effectiveness of the method.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129290924","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
FPGA implementation of a modular active noise control system FPGA实现的模块化有源噪声控制系统
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506991
Shiva Gholami Boroujeny, M. Eshghi
{"title":"FPGA implementation of a modular active noise control system","authors":"Shiva Gholami Boroujeny, M. Eshghi","doi":"10.1109/IRANIANCEE.2010.5506991","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506991","url":null,"abstract":"This contribution presents the High-speed field programmable gate array (FPGA) implementation of a modular architecture of the Active Noise Control (ANC) system with online secondary path modelling. The clock frequency that is obtained for this FPGA implementation is 120MHz. A comparison of this implementation to other FPGA and DSP implementations of an ANC system shows a better speed up and convergence time for the proposed design. This innovative modular implementation of the ANC system results in a fast design and fast convergence with capability to expand the four adaptive filters and data bus when higher speed for ANC system is desired. In the other word, considering the modularity of the design and the reconfigurability of FPGA, one can expand an ANC system for different accuracies and required convergence times.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128413622","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: 6
Optimal placement of distributed generation with sensitivity factors considering voltage stability and losses indices 考虑电压稳定性和损耗指标的分布式发电灵敏度优化配置
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506959
A. Parizad, A. Khazali, M. Kalantar
{"title":"Optimal placement of distributed generation with sensitivity factors considering voltage stability and losses indices","authors":"A. Parizad, A. Khazali, M. Kalantar","doi":"10.1109/IRANIANCEE.2010.5506959","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506959","url":null,"abstract":"Loss minimization in distribution networks has considered as great significance recently since the trend to the distribution generation will require the most efficient operating scenario for economic viability variations. Furthermore, voltage instability phenomena can occur in distribution systems and caused a major blackout in the network. The decline of voltage stability level will restrict the increase of load served by distribution companies. To control distribution networks, it can be used from Distributed Generation (DG). DG is increasingly drawing great attention and development of DGs will bring new chances to traditional distribution systems. However, Installation of DG in non-optimal places can result in an increasing in system losses, voltage problems, etc. This paper presents two scenarios for distributed generation placement in a distributions system. In the first scenario only minimizing the total real power losses in the system is considered. Both the optimal size and location are obtained as outputs from the exact loss formula. The next scenario considered the voltage stability index (SI) to find optimum placement. In these scenarios Different DG placements are compared in terms of power loss, loadability and voltage stability index. To improve power transfer capacity, two line stability indices have been introduced. Distribution power flow solution algorithm is based on the equivalent current injection that uses the bus-injection to branch-current (BIBC) and branch-current to bus-voltage (BCBV) matrices. These scenarios are executed on typical 33 and 30 bus test system and yields efficiency in improvement of voltage profile and reduction of power losses; it also may permit an increase in power transfer capacity, maximum loading, and voltage stability margin.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116104441","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: 81
Multi-layer cellular automata for generating normal random numbers 用于生成正态随机数的多层元胞自动机
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5507018
Ramin Ayanzadeh, Y. Moghaddas, S. Setayeshi, Kaveh Hassani, Hadi Gheiby
{"title":"Multi-layer cellular automata for generating normal random numbers","authors":"Ramin Ayanzadeh, Y. Moghaddas, S. Setayeshi, Kaveh Hassani, Hadi Gheiby","doi":"10.1109/IRANIANCEE.2010.5507018","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5507018","url":null,"abstract":"In this paper concept of multi-layer cellular automata and a novel neighborhood structure are introduced. According to these concepts, a novel approach for generating normal random numbers is proposed. First layer consists of binary cellular automata which are responsible for activating and inactivating cells in next layers. A cellular automaton with integer values is used for these layers. Interaction between layers of represented cellular automata leads to a dynamic and complex behavior of proposed model. Main idea of this model is based on central limit theorem to generate normal random numbers. To evaluate the quality of proposed model, several simulations are implemented. Results prove that multi-layer cellular automata generate better normal random numbers in comparison to MATLAB.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126599674","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
An evolutionary tuning technique for type-2 fuzzy logic controller in a non-linear system under uncertainty 不确定非线性系统中2型模糊控制器的进化整定技术
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5506999
S. Mohammadi, A. Gharaveisi, M. Mashinchi
{"title":"An evolutionary tuning technique for type-2 fuzzy logic controller in a non-linear system under uncertainty","authors":"S. Mohammadi, A. Gharaveisi, M. Mashinchi","doi":"10.1109/IRANIANCEE.2010.5506999","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5506999","url":null,"abstract":"Uncertainty is an inherent part in control systems used in real world applications. Various instruments used in such systems produce uncertainty in their measurements and thus influence the integrity of the data collection. Type-1 fuzzy sets used in conventional fuzzy systems cannot fully handle the uncertainties present but type-2 fuzzy sets that are used in type-2 fuzzy systems can handle such uncertainties in a better way because they provide more parameters and more design degrees of freedom. There are membership functions which can be parameterised by a few variables and when optimized, the membership optimization problem can be reduced to a parameter optimization problem. This paper deals with the parameter optimization of the type-2 fuzzy membership functions using a new proposed reinforcement learning algorithm in a nonlinear system. The results of the proposed method referred to as Extended Discrete Action Reinforcement Learning Automata algorithm are compared to the results obtained by the Discrete Action Reinforcement Learning Automata and Continuous Action Reinforcement Learning Automata algorithms. The Performance of the proposed method on initial error reduction and error convergence issues are also investigated by computer simulations.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126896713","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: 9
An efficient one-hot OHR adder circuit 一种高效的单热OHR加法器电路
2010 18th Iranian Conference on Electrical Engineering Pub Date : 2010-05-11 DOI: 10.1109/IRANIANCEE.2010.5507015
Mansoureh Labafniya, M. Eshghi
{"title":"An efficient one-hot OHR adder circuit","authors":"Mansoureh Labafniya, M. Eshghi","doi":"10.1109/IRANIANCEE.2010.5507015","DOIUrl":"https://doi.org/10.1109/IRANIANCEE.2010.5507015","url":null,"abstract":"residue number system (RNS) is an appropriate system for arithmetic operation because of its speed in addition and multiplication. One hot residue number (OHR) system has increased this speed. Major problem in an OHR system is its large hardware module, because of using barrel shifter structure in it. OHR designs for add operation have hardware complexity in the order of m2 in which m is the selected module. In this paper an efficient structure for add operation in OHR system is introduced in which the needed hardware is in the order of m2/2.","PeriodicalId":282587,"journal":{"name":"2010 18th Iranian Conference on Electrical Engineering","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125995840","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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