2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)最新文献

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Zero voltage switching floating output high gain interleaved DC-DC converter 零电压开关浮动输出高增益交错DC-DC变换器
S. S. Hujare, A. Kirubakaran
{"title":"Zero voltage switching floating output high gain interleaved DC-DC converter","authors":"S. S. Hujare, A. Kirubakaran","doi":"10.1109/IMAC4S.2013.6526437","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526437","url":null,"abstract":"This paper proposes a non-isolated high efficiency high gain DC-DC converter using zero voltage switching for renewable/green power supply system with photovoltaic (PV) cell or fuel cell. Proposed topology uses interleaved structure of boost converter with winding coupled inductor to offer higher power handling capacity, lower ripple for input current and lower semiconductor voltage stress. The power switches are turned on using zero voltage switching (ZVS) and the switch turned off voltage spike is suppressed by using boost type active clamping technique. This enables the use of lower voltage and RDS-ON MOSFET switch with low switching and conduction losses. Diode turn off current falling rate is controlled by the leakage inductance of coupled inductor and by choosing proper value of leakage inductance, diodes can be turned off using zero current switching (ZCS) and diode reverse recovery problem is alleviated. The significant feature of the proposed topology includes continuous input/output current operation with rid of extreme duty cycle and limited reactive components size. The proposed converter operating modes are analyzed and theoretical waveforms are validated through simulation results.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134194504","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
Development of generic dynamic nonlinear model for autonomous hybrid system and design of inverse dynamics controller and derivative free state estimator in presence of uncertainties 自主混合动力系统通用非线性动力学模型的建立及存在不确定性时逆动力学控制器和导数自由状态估计器的设计
V. Shijoh, M. V. Vaidyan
{"title":"Development of generic dynamic nonlinear model for autonomous hybrid system and design of inverse dynamics controller and derivative free state estimator in presence of uncertainties","authors":"V. Shijoh, M. V. Vaidyan","doi":"10.1109/IMAC4S.2013.6526433","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526433","url":null,"abstract":"This paper demonstrates the development of a generic nonlinear model for describing the dynamics of an autonomous hybrid system and it is validated by conducting experiments on real-time experimental set up as one of the contribution. A cylindrical three-tank hybrid system is considered for this purpose. Recently, the study of dynamics of hybrid system and its control strategies for performance improvement have become very significant in a perspective where in most of such studies combine the behavior of both continuous and discrete time systems. As a second contribution, such a model is used for the design of an efficient inverse dynamics controller (IDC) for controlling the output variable of the system to the desired set point and also a robust, derivative-free state estimator for predicting all the states of the system in presence of noise and parameter uncertainties. The effectiveness of the controller and estimator is illustrated by conducting simulation studies and experiments with real-time experimental setup.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115329572","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 smart city framework for intelligent traffic system using VANET 基于VANET的智能交通系统的智慧城市框架
G. Khekare, A. Sakhare
{"title":"A smart city framework for intelligent traffic system using VANET","authors":"G. Khekare, A. Sakhare","doi":"10.1109/IMAC4S.2013.6526427","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526427","url":null,"abstract":"The total number of vehicles in the world has experienced a remarkable growth, increasing traffic density which results in more and more accidents. Therefore the manufactures, researchers and government is shifting focus towards improving the on road safety rather than improving the quality of the roads. The good development in the wireless technologies emerged various new type of networks, such as Vehicular Ad Hoc Network (VANET), which provides communication between vehicles themselves and between vehicles and road side units. Various new concepts such as smart cities and living labs [1] are introduced in the recent years where VANETs plays an important role. A survey of various Intelligent Traffic Systems (ITS) and various routing protocols with respect to our proposed scheme is described in this paper. It also introduces a new scheme consist of a smart city framework that transmit information about traffic conditions that will help the driver to take appropriate decisions. It consists of a warning message module composed of Intelligent Traffic Lights (ITLs) which provides information to the driver about current traffic conditions.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114628486","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: 94
Unified power quality conditioner for power quality improvement with advanced control strategy 统一电能质量调节器,采用先进的控制策略改善电能质量
S. Y. Kamble, M. Waware
{"title":"Unified power quality conditioner for power quality improvement with advanced control strategy","authors":"S. Y. Kamble, M. Waware","doi":"10.1109/IMAC4S.2013.6526450","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526450","url":null,"abstract":"An advanced control approach for power quality compensation using Unified Power Quality Conditioner (UPQC) is presented in this paper. This approach has capability of voltage distortion mitigation as well as current harmonics compensation. In the UPQC control, Series Active Filter (SAF) is controlled by d-q-o approach for voltage harmonic compensation. Voltage signal calculated at SAF is used for calculation of required reference signals using P-Q theory for Parallel Active Filter (PAF) control for current harmonic compensation. This control strategy requires reduced number of measurements (source voltage & load current). Simulation results show the validation of proposed method.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116271706","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: 10
A novel encryption method based on compressive sensing 一种新的基于压缩感知的加密方法
V. Athira, S. N. George, P. Deepthi
{"title":"A novel encryption method based on compressive sensing","authors":"V. Athira, S. N. George, P. Deepthi","doi":"10.1109/IMAC4S.2013.6526421","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526421","url":null,"abstract":"Compressed sensing (CS) is a newly proposed framework, meant for transmitting multimedia content at significantly below Nyquist rate. Encryption is incorporated into compressive sensing technique in order to avoid unauthorized access of multimedia content. When block based compressive sensing is used, our analysis proved that existing encryption technique is vulnerable to known plaintext attack. So we propose a new highly resistant encryption strategy in which measurement matrix corresponding to each block is shuffled based on different keys generated by linear feedback shift register (LFSR). Our analysis shows that this system is secure against known plaintext attack.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123402285","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
Design of Manchester II bi-phase encoder for MIL-STD-1553 protocol MIL-STD-1553协议下的Manchester II双相编码器设计
J. Jose
{"title":"Design of Manchester II bi-phase encoder for MIL-STD-1553 protocol","authors":"J. Jose","doi":"10.1109/IMAC4S.2013.6526415","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526415","url":null,"abstract":"Data bus standards are inevitable in all electronic systems. In avionics systems the medium used for data transfer should be highly reliable and communication should be done with a minimum amount of hardware. MIL-STD-1553 is one such data bus standard which is mainly used in military avionics applications for data transfer between critical systems in an aircraft. It is a bidirectional, digital time division multiplexed data bus which eliminates the use of point-to-point wiring. 1553 uses Manchester II bi-phase encoding scheme. Compared to other encoding schemes Manchester coding has some advantages like easy error detection, high noise immunity etc. Even with more bandwidth requirement 1553 protocol uses this encoding because of its low error rate. In this paper we discuss the design of a Manchester II bi-phase encoder and decoder for the 1553 data bus system. With the presented method, the encoder and decoder is modeled as state machine in HDL. This is explicitly designed for encoding and decoding the words of 1553 data bus protocol.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122721816","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: 15
A comprehensive performance analysis of energy efficient routing protocols in different traffic based mobile ad-hoc networks 基于不同流量的移动自组织网络中节能路由协议的综合性能分析
B. S. Gouda, A. Dass, K. Narayana
{"title":"A comprehensive performance analysis of energy efficient routing protocols in different traffic based mobile ad-hoc networks","authors":"B. S. Gouda, A. Dass, K. Narayana","doi":"10.1109/IMAC4S.2013.6526428","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526428","url":null,"abstract":"In Mobile Ad hoc network, nodes are connected through a wireless are formed a fast changed network structure and it is a infrastructure less, can be set up anytime, anywhere. The nodes are mobile based on battery operated and nodes have limited battery resources. Routing protocol selection in Mobile Ad Hoc Network is a big challenge, because of its regular topology changes and routing overhead. In Manet, energy efficient protocols are used to forward data packets one to another without much packet loss. Energy reactive routing protocol is effective routing protocol in Manet and nodes are requires energy efficient routing protocols to bound the power consumption, and lengthen the battery life to improve the life time of the network. The main objective of this paper is to enhance the network performance of different routing protocols, when frequent link failure in network due to mobility of the nodes in the network. The performance analysis and simulation are carried out to evaluate network performance using Network Simulator (NS-2), based on the different load, node mobility, delay, packet sending rate and energy consumption. It has been verified through various simulations, which represent a wide range of network conditions that energy AODV deliver the better performance as that of the modern protocols DSDV, TORA, DSDV, DSR and AODV in terms of energy efficiency but it is observed that DSR needs significantly smaller energy overheads than other protocols.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126046074","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: 20
A comparative study of spike and smooth separation from a signal using different overcomplete dictionary 用不同的过完备字典对信号进行尖峰和平滑分离的比较研究
G. Aarthy, P. Amitha, T. Krishnan, G. S. Pillai, V. Sowmya, K. P. Soman
{"title":"A comparative study of spike and smooth separation from a signal using different overcomplete dictionary","authors":"G. Aarthy, P. Amitha, T. Krishnan, G. S. Pillai, V. Sowmya, K. P. Soman","doi":"10.1109/IMAC4S.2013.6526479","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526479","url":null,"abstract":"Most of the natural signals are complex and are highly time varying, since they are non stationary in nature. In this paper, a comparative study for separating spikes and smooth signal components from a non-stationary signal are performed based on different overcomplete dictionaries. The experiment is evaluated using the sparse representation with different bases such as the Discrete Cosine Transform (DCT), Walsh-Hadamard, Orthogonal and Biorthogonal wavelet basis. The primary focus of this paper is to use L1 minimization for retrieving the smooth and spikes component of the signal using different overcomplete dictionary. The experimental results reveals out the dictionary that delivers a better separation without distorting temporal and spectral characteristics.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131120798","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
Improved location-free topology control protocol in MANET 改进的MANET无位置拓扑控制协议
K. Yamini, T. Arivoli
{"title":"Improved location-free topology control protocol in MANET","authors":"K. Yamini, T. Arivoli","doi":"10.1109/IMAC4S.2013.6526522","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526522","url":null,"abstract":"Mobile ad hoc networks (MANETs) are battery operated, self-configuring infrastructureless network of mobile devices connected by wireless. The mobility of the nodes in MANETs leads to rapid and unpredictable topology changes. Power conservation achieved by topology control results in increased spatial reuse of communication channels thereby increasing the system throughput. In this paper, we suggest some improvement to existing LFTC protocol. Our proposed protocol, called LFTC-RP, improves LFTC in power conservation. Furthermore the proposed protocol is location free, uses reluctance values and also avoids potential collisions that occur due to hidden terminals. This study is important in extending battery lifetime and consequently the lifetime of nodes and the network.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131480385","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
An energy efficient hybrid co-operative spectrum sensing technique for CRSN 一种高效节能的CRSN混合协同频谱感知技术
K. Hareesh, Pardeep Singh
{"title":"An energy efficient hybrid co-operative spectrum sensing technique for CRSN","authors":"K. Hareesh, Pardeep Singh","doi":"10.1109/IMAC4S.2013.6526451","DOIUrl":"https://doi.org/10.1109/IMAC4S.2013.6526451","url":null,"abstract":"Cognitive Radio Sensor Networks (CRSN) demands energy efficient and a cost effective co-operative spectrum sensing techniques which performs well in fading and shadowing environment with optimum values of sensing parameters at low computational complexities. A cluster-based co-operative network architecture, an appropriate choice for effective operation of dynamic spectrum management in CRSN is considered with hybrid spectrum sensing capability. A new energy efficient hybrid co-operative spectrum sensing technique which associates energy and Eigen value based detectors is proposed to improve the sensing efficiency and sensing reliability to enhance the performance of CRSN. All CRSN nodes are equipped with simple energy detectors and the additional task of detection using Eigen value based detectors is being assigned to a detection center. The Data fusion center is responsible for the decision making rules with an eye on the requirements of low energy consumption and low computational complexity of CRSN. Simulation results clarifies the choice for Eigen value based spectrum sensing scheme and makes a comparison between the proposed hybrid scheme and a cyclostationary based hybrid scheme.","PeriodicalId":403064,"journal":{"name":"2013 International Mutli-Conference on Automation, Computing, Communication, Control and Compressed Sensing (iMac4s)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128900097","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: 18
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