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A knowledge-based approach to cardiac signal analysis using LabVIEW 基于知识的LabVIEW心脏信号分析方法
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698692
K. Narayana, A. Rao
{"title":"A knowledge-based approach to cardiac signal analysis using LabVIEW","authors":"K. Narayana, A. Rao","doi":"10.1109/ICPCES.2010.5698692","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698692","url":null,"abstract":"Data acquisition and analysis of various cardiac /transducer signals based on virtual instrument technology is gaining importance. This paper introduces a novel way of automating the diagnosis of cardiac disorders using an expert system developed on the basis of information derived from the analysis of Electrocardiogram (ECG) and also provides the online monitoring of cardiac patient. Cardiologists use ECG as a definitive indicator of the condition of the human heart using certain well-defined rules and their own experience to diagnose the condition of patient. The decision process is made systematic by developing a visualization tool using proven algorithm for processing the information contained in the typical ECG. The information can be of great help to a general practitioner, to identify the specific problem and start treatment without any delay. The proposed system provides a fast and effective diagnosis of the problem. This has been possible by encoding the expert knowledge and interfacing it with real time ECG available. The system has fast updating facility to track any rapid deterioration, if it occurs and is thus helpful to monitor patients in ICU.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125433762","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
Single-phase AC/DC/AC converter using cascaded multilevel inverter 单相AC/DC/AC变换器采用级联多电平逆变器
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698640
Amit Kumar, Rajesh Gupta
{"title":"Single-phase AC/DC/AC converter using cascaded multilevel inverter","authors":"Amit Kumar, Rajesh Gupta","doi":"10.1109/ICPCES.2010.5698640","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698640","url":null,"abstract":"This paper presents the development of single phase AC/DC/AC converter using three-leg inverter. A uniform fixed switching frequency method of current control for both AC/DC and DC/AC converter stages has been proposed. A multiple control loop is used to control the input AC current and DC link voltages of the AC/DC converter and a cascaded H-bridge multilevel inverter (CHBMLI) is used to obtain the multilevel AC output voltage for the DC/AC inverter. The ramp comparison method of current control facilitates the fixed switching frequency operation of the converter to provide uniform switching cycle for all the switches of the AC/DC converter. A unipolar multi-carrier PWM has been used for the cascaded H-bridge multilevel inverter to yield the uniform and fixed switching frequency operation for the DC/AC inverter. This also gives AC output wherein the switching components are shifted at higher frequency hence yield better quality output. The results are verified through the PSCAD/EMTDC simulation studies.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"289 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114341367","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
Comparison of RBF and MLP neural networks in short-term traffic flow forecasting RBF与MLP神经网络短期交通流预测的比较
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698623
J. Abdi, B. Moshiri, A. K. Sedigh
{"title":"Comparison of RBF and MLP neural networks in short-term traffic flow forecasting","authors":"J. Abdi, B. Moshiri, A. K. Sedigh","doi":"10.1109/ICPCES.2010.5698623","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698623","url":null,"abstract":"Expanding mathematical models and forecasting the traffic flow is a crucial case in studying the dynamic behaviors of the traffic systems these days. Artificial Neural Networks (ANNs) are of the technologies presented recently that can be used in the intelligent transportation system field. In this paper, two different algorithms, the Multi-Layer Perceptron (MLP) and the Radial Basis Function (RBF) have been discussed. In the training of the ANNs, we use historic data. Then we use ANNs for forecasting a daily real time short-term traffic flow. The ANNs are trained by the Back-Propagation (BP) algorithm. The variable coefficients produced by temporal signals improve the performance of the BP algorithm. The temporal signals provide a new method of learning called Temporal Difference Back-Propagation (TDBP) learning. We demonstrate the capability and the performance of the TDBP learning method with the simulation results. The data of the two lane street I-494 in Minnesota city are used for this analysis.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133056316","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
A novel approach for the design of controller for higher order discrete — Time systems via its reduced model 采用简化模型设计高阶离散时间系统控制器是一种新的方法
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698682
Siva Kumar Mangipudi, N. Anand
{"title":"A novel approach for the design of controller for higher order discrete — Time systems via its reduced model","authors":"Siva Kumar Mangipudi, N. Anand","doi":"10.1109/ICPCES.2010.5698682","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698682","url":null,"abstract":"This paper describes a technique for designing a stabilizing controller for the stable higher order discrete-time systems via its reduced model. The reduced model is obtained by the Improved Bilinear Routh Approximation Method (IBRAM). Reduced model obtained by IBRAM is then used to determine the controller for higher order discrete-time system. It is shown that the controller which is obtained from reduced model not only stabilizes the reduced model but also the higher order system. The development of the method is illustrated with a typical numerical example available in the literature.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133515095","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
Load characterization and performance characteristic of active filters in domestic consumer voltage distribution system 家用配电系统有源滤波器的负荷特性及性能特性
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698646
K. K. Mishra, Rajesh Gupta
{"title":"Load characterization and performance characteristic of active filters in domestic consumer voltage distribution system","authors":"K. K. Mishra, Rajesh Gupta","doi":"10.1109/ICPCES.2010.5698646","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698646","url":null,"abstract":"Advancement in power electronics technology and reduction in the cost of power semiconductor switching devices has enhanced use of more and more power electronics based appliances in domestic consumer voltage distribution system (DCVDS). These nonlinear loads in the DCVDS can be characterized as voltage source or current source type. The dominancy of both these types of load may vary with time. The performance of active power filter connected with the distribution system based on the total harmonic distortion (THD) of source current and load voltage depends upon whether the total load is voltage source or current source dominant, and also whether the active power filter is series or shunt type. In this paper, it has been shown that when the ratio between the load current due to the voltage source type and current source type increases, the load voltage THD improves by using series active power filter and if the ratio decreases, the load voltage THD improves by using shunt active power filter. The results are verified using simulations performed in PSCAD/EMTDC.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"172 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116386091","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
Frequency based oscilloscope triggering scheme 基于频率的示波器触发方案
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698609
S. A. Khan, Alka Nigam, A. K. Agarwala, M. Thomas
{"title":"Frequency based oscilloscope triggering scheme","authors":"S. A. Khan, Alka Nigam, A. K. Agarwala, M. Thomas","doi":"10.1109/ICPCES.2010.5698609","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698609","url":null,"abstract":"This paper presents a novel frequency based oscilloscope triggering technique for measurements involving complex waveforms that are challenging even today. Proposed technique is capable of providing stable triggering even in the case of complex periodic waveforms category where commonly used level triggering scheme fail to perform adequately and may be used in problem of estimating many typical signal processing situations, such as Doppler estimation of radar and sonar returns, vibration measurements, geophysical data processing, and surveillance observations of the electromagnetic spectrum. For stable display of a signal in an oscilloscope, it must be triggered at its base frequency. In this technique, frequency of all harmonics present in test signal is retrieved using FFT and the base repetition rate of the signal is found by selecting the frequency of lowest harmonics present in the test signal. Numerous complex test waveforms are generated and their harmonic contents are analyzed in the virtual environment of LabVIEW™ software. To verify the efficacy of the proposed technique, it is implemented using LabVIEW™ software and PCI DAQ card. It is found that the proposed technique is equally effective in detecting the base repetition rate of complex as well as simple waveforms. Technique proposed in this paper would be of interest to instrumentation design engineers.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"198 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116402301","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
Hybrid adaptive fuzzy control of bio robotic leg 生物机器人腿的混合自适应模糊控制
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698680
J. K. Rai, R. P. Tewari, D. Chandra
{"title":"Hybrid adaptive fuzzy control of bio robotic leg","authors":"J. K. Rai, R. P. Tewari, D. Chandra","doi":"10.1109/ICPCES.2010.5698680","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698680","url":null,"abstract":"This paper presents a hybrid adaptive fuzzy control of bio-robotic leg. A mathematical dynamic model of bio-robotic leg having three links i.e. thigh, shank and foot is considered here. The Lagrange-Euler formulation is used to obtain the dynamic equations of motion for calculating torques at various joints. Since the dynamics of leg is a highly complex and nonlinear system, hybrid adaptive fuzzy control utilizing tracking error and modeling error is considered here. Polynomial trajectory used as reference trajectory is based on gait cycle of human walking data. The simulation work is carried out in MATLAB. The results showed that the proposed controller can be used to control level walking of a bio-robotic leg just like natural leg.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125111171","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
Robust model reference adaptive controller for single variable non-linear plants 单变量非线性对象鲁棒模型参考自适应控制器
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698713
A. K. Chakrabarty, S. Bhattacharya
{"title":"Robust model reference adaptive controller for single variable non-linear plants","authors":"A. K. Chakrabarty, S. Bhattacharya","doi":"10.1109/ICPCES.2010.5698713","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698713","url":null,"abstract":"A new general scheme for robust model reference adaptive controller (MRAC) is proposed for single variable nonlinear plants and can be applied without any modifications to single variable nonlinear plants, both time-invariant and time varying in nature. The proposed robust MRAC is based on the estimation of the difference between the linear time-invariant model plant parameters and actual plant parameters that show nonlinearity and time varyingness. The approach used in this work is an extension of the approach commonly used to develop MRAC for a linear time-invariant plants. The boundedness of the signals and stability of the plant with the proposed robust MRAC in use are achieved by using Lyapunov's direct method. Simulation results are used to demonstrate the effectiveness of the proposed MRAC.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121033566","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
A study of VLSI architectures for 2-D Discrete Wavelet Transform 二维离散小波变换的VLSI结构研究
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698715
K. Raj, Vedvrat
{"title":"A study of VLSI architectures for 2-D Discrete Wavelet Transform","authors":"K. Raj, Vedvrat","doi":"10.1109/ICPCES.2010.5698715","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698715","url":null,"abstract":"In this paper we presented the different VLSI architectures for the computation of 2-D Discrete Wavelet Transform (DWT). These Architectures are based on Recursive Pyramid Algorithm (RPA), Systolic Array architecture and Parallel Filter architecture. A comparative analysis, on the basis of computational complexity and hardware utilization, of these architectures is presented here.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121230764","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: 5
An LMI criterion for anti-windup design with global asymptotic stability for continuous-time linear systems 连续时间线性系统全局渐近稳定抗缠绕设计的LMI判据
2010 International Conference on Power, Control and Embedded Systems Pub Date : 2010-11-01 DOI: 10.1109/ICPCES.2010.5698620
R. Negi, S. Purwar, H. Kar
{"title":"An LMI criterion for anti-windup design with global asymptotic stability for continuous-time linear systems","authors":"R. Negi, S. Purwar, H. Kar","doi":"10.1109/ICPCES.2010.5698620","DOIUrl":"https://doi.org/10.1109/ICPCES.2010.5698620","url":null,"abstract":"The paper presents the anti-windup design for continuous time linear system. An LMI-based approach with improved sector condition is stated for global asymptotic stability of the continuous time linear system. The proposed technique has been illustrated with an example.","PeriodicalId":439893,"journal":{"name":"2010 International Conference on Power, Control and Embedded Systems","volume":"296 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115610970","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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