Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978860
Shilpa Dandoti, V. D. Mytri
With the increase in integration density in FPGA devices, the possibility of interconnect faults are increasing. Various fault diagnosis approach were observed for the detection of faults in FPGA, through the conventional ATE. These devices are designed for the detection of logical faults occurring in the operation of the FPGA. The ATE devices are currently designed to diagnosis the FPGA operation for faults and intern the fault detection is rectified by reprogramming the device. The localization of such faults will result in faster fault diagnosis. In this paper an approach for faults in FPGA interconnects is developed called forward tree coding. The approach is developed to isolate the fault region in a defined FPGA to reduce the time to market of digital devices. The designing and realization of the suggested approach on a targeted Xilinx device is also developed to evaluate its real time feasibility.
{"title":"Multi-Phase Fault Detection and Analysis in FPGA Interconnects","authors":"Shilpa Dandoti, V. D. Mytri","doi":"10.1109/PACC.2011.5978860","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978860","url":null,"abstract":"With the increase in integration density in FPGA devices, the possibility of interconnect faults are increasing. Various fault diagnosis approach were observed for the detection of faults in FPGA, through the conventional ATE. These devices are designed for the detection of logical faults occurring in the operation of the FPGA. The ATE devices are currently designed to diagnosis the FPGA operation for faults and intern the fault detection is rectified by reprogramming the device. The localization of such faults will result in faster fault diagnosis. In this paper an approach for faults in FPGA interconnects is developed called forward tree coding. The approach is developed to isolate the fault region in a defined FPGA to reduce the time to market of digital devices. The designing and realization of the suggested approach on a targeted Xilinx device is also developed to evaluate its real time feasibility.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"504 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131951069","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978931
T. Aruna, K. Saranya, Chetna Bhandari
Ontologies play an important role for the semantic web which aims at capturing domain knowledge and provide a commonly agreed understanding of a domain, which may be reused and shared across applications and groups. Developing and deploying large-scale ontology solutions typically involves several separate tasks and requires applying multiple tools. Different tools from different sources need to inter operate and are integrated into frameworks. These frameworks must be open to other commercial environments and provide connectors and interfaces to industrial standards. In this paper we propose an evaluation framework for properties of ontologies and technologies for developing and deploying ontologies.
{"title":"A Survey on Ontology Evaluation Tools","authors":"T. Aruna, K. Saranya, Chetna Bhandari","doi":"10.1109/PACC.2011.5978931","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978931","url":null,"abstract":"Ontologies play an important role for the semantic web which aims at capturing domain knowledge and provide a commonly agreed understanding of a domain, which may be reused and shared across applications and groups. Developing and deploying large-scale ontology solutions typically involves several separate tasks and requires applying multiple tools. Different tools from different sources need to inter operate and are integrated into frameworks. These frameworks must be open to other commercial environments and provide connectors and interfaces to industrial standards. In this paper we propose an evaluation framework for properties of ontologies and technologies for developing and deploying ontologies.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"417 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130964673","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978894
V. S. Deshpande, S. Phadke
This paper proposes a new method for decentralized sliding mode control of interconnected uncertain systems that can ensure local sliding without using information about interconnections or interconnecting states. The control is based on a disturbance observer and no knowledge of bounds of uncertainties and bounds of interconnections is assumed. The stability of the overall system with the disturbance observer is proved and the method is illustrated by simulation for a system of two interconnected inverted pendulums.
{"title":"Sliding Mode Control of Interconnected Systems Using a Disturbance Observer","authors":"V. S. Deshpande, S. Phadke","doi":"10.1109/PACC.2011.5978894","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978894","url":null,"abstract":"This paper proposes a new method for decentralized sliding mode control of interconnected uncertain systems that can ensure local sliding without using information about interconnections or interconnecting states. The control is based on a disturbance observer and no knowledge of bounds of uncertainties and bounds of interconnections is assumed. The stability of the overall system with the disturbance observer is proved and the method is illustrated by simulation for a system of two interconnected inverted pendulums.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"124 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124191919","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978897
M. Thachayani, R. Nakkeeran
The optical burst switching (OBS) based metro network is proposed to bridge the 'metro gap' between high performance core and LAN (local area network). Many media access protocols (MAC) have been suggested in literature for OBS based ring networks. This paper proposes a new MAC protocol for wavelength division multiplexing (WDM) based OBS metro ring network. The performance is analyzed through simulations and compared with the similar protocol reported in literature. The results show that the proposed protocol performs better with much simpler wavelength assignment and control mechanisms.
{"title":"WDMA Protocol for OBS Ring Metro Network with Distributed Queuing","authors":"M. Thachayani, R. Nakkeeran","doi":"10.1109/PACC.2011.5978897","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978897","url":null,"abstract":"The optical burst switching (OBS) based metro network is proposed to bridge the 'metro gap' between high performance core and LAN (local area network). Many media access protocols (MAC) have been suggested in literature for OBS based ring networks. This paper proposes a new MAC protocol for wavelength division multiplexing (WDM) based OBS metro ring network. The performance is analyzed through simulations and compared with the similar protocol reported in literature. The results show that the proposed protocol performs better with much simpler wavelength assignment and control mechanisms.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123656144","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}
Gain and order scheduling of fractional order (FO) PIeDi controllers are studied in this paper considering four different classes of higher order processes. The mapping between the optimum PID/FOPID controller parameters and the reduced order process models are done using Radial Basis Function (RBF) type Artificial Neural Network (ANN). Simulation studies have been done to show the effectiveness of the RBFNN for online scheduling of such controllers with random change in set-point and process parameters.
{"title":"Adaptive Gain and Order Scheduling of Optimal Fractional Order PIlamdaDµ Controllers with Radial Basis Function Neural-Network","authors":"Saptarshi Das, Sayan Saha, Ayan Mukherjee, Indranil Pan, Amitava Gupta","doi":"10.1109/PACC.2011.5979047","DOIUrl":"https://doi.org/10.1109/PACC.2011.5979047","url":null,"abstract":"Gain and order scheduling of fractional order (FO) PIeDi controllers are studied in this paper considering four different classes of higher order processes. The mapping between the optimum PID/FOPID controller parameters and the reduced order process models are done using Radial Basis Function (RBF) type Artificial Neural Network (ANN). Simulation studies have been done to show the effectiveness of the RBFNN for online scheduling of such controllers with random change in set-point and process parameters.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115116804","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978976
K. Keerthivasan, L. Krishnaveni, J. Jerome
This paper proposes a new concept named Flexible, Reliable and Intelligent ENergy Delivery System (FRIENDS) as a future power distribution system. In FRIENDS, new facilities called Quality Control Centers (QCCs), which consists of Voltage Control type Inverters, Distributed Generators (DGs), Energy Storage Systems (ESSs), etc., are installed between distribution substation and customers. By controlling and operating those inverters and DGs in QCCs adequately, balancing the supply and demand can be realized. Particularly, when the power supply from the transmission network is interrupted, isolated local network which consists of some QCCs are composed in order to realize uninterruptible power supply. In the isolated network, the DGs and ESSs in QCCs are employed as backup generators. This paper proposes a distributed and autonomous method for balancing the power system supply and demand during interruption period. This paper also investigates the effectiveness of the proposed method through computational simulations using MATLAB and LabVIEW. The results obtained using our hardware with MATLAB and LabVIEW were also compared with that of the one obtained using PSCAD.
{"title":"Power System Balancing Using FRIENDS","authors":"K. Keerthivasan, L. Krishnaveni, J. Jerome","doi":"10.1109/PACC.2011.5978976","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978976","url":null,"abstract":"This paper proposes a new concept named Flexible, Reliable and Intelligent ENergy Delivery System (FRIENDS) as a future power distribution system. In FRIENDS, new facilities called Quality Control Centers (QCCs), which consists of Voltage Control type Inverters, Distributed Generators (DGs), Energy Storage Systems (ESSs), etc., are installed between distribution substation and customers. By controlling and operating those inverters and DGs in QCCs adequately, balancing the supply and demand can be realized. Particularly, when the power supply from the transmission network is interrupted, isolated local network which consists of some QCCs are composed in order to realize uninterruptible power supply. In the isolated network, the DGs and ESSs in QCCs are employed as backup generators. This paper proposes a distributed and autonomous method for balancing the power system supply and demand during interruption period. This paper also investigates the effectiveness of the proposed method through computational simulations using MATLAB and LabVIEW. The results obtained using our hardware with MATLAB and LabVIEW were also compared with that of the one obtained using PSCAD.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"191 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116139615","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978858
R. Valli, P. Dananjayan
Power control in wireless sensor networks is vital to maintain reliable communication links and to maximize the battery life. Transmitting at high power not only reduces the lifetime of the nodes and that of the network, but it also introduces excessive interference. Hence it is essential for each node to transmit at minimal transmit power, thereby reducing interference and maintaining network connectivity. This paper analyses a game theoretic model taking into consideration the residual energy of the nodes in a homogenous wireless sensor network considering random and square topology. The utility function of nodes that minimizes power consumption is analysed and the existence of Nash Equilibrium is studied. Simulation results show that, power consumption is reduced and throughput is maintained when square topology is considered.
{"title":"Utility Enhancement by Game Theoretic Approach Using Square Grid Topology in WSN","authors":"R. Valli, P. Dananjayan","doi":"10.1109/PACC.2011.5978858","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978858","url":null,"abstract":"Power control in wireless sensor networks is vital to maintain reliable communication links and to maximize the battery life. Transmitting at high power not only reduces the lifetime of the nodes and that of the network, but it also introduces excessive interference. Hence it is essential for each node to transmit at minimal transmit power, thereby reducing interference and maintaining network connectivity. This paper analyses a game theoretic model taking into consideration the residual energy of the nodes in a homogenous wireless sensor network considering random and square topology. The utility function of nodes that minimizes power consumption is analysed and the existence of Nash Equilibrium is studied. Simulation results show that, power consumption is reduced and throughput is maintained when square topology is considered.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115961967","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5979021
S. V. Rohith Mohan, B. D. Acharya, M. Acharya
Minimum sum vertex cover (MSVC) problem is a NP- Complete problem which arises in the context of designing efficient algorithms for solving semi- definite programs, and in the context of speeding up matrix computations. In this paper, in order to solve the MSVC problem, we address a new general problem : Precisely which graphs admit greedy algorithm in solving minimizing minimum sum vertex cover (MSVC) problem ? We obtain a sufficiency condition for solving this problem; the graphs satisfying this condition have been called recurrent dominancy regular partition graphs (R-DRPG).
最小和顶点覆盖(Minimum sum vertex cover, MSVC)问题是在设计求解半确定规划的有效算法和加快矩阵计算速度的背景下产生的NP-完全问题。在本文中，为了解决MSVC问题，我们提出了一个新的一般性问题:在求解最小化最小和顶点覆盖(MSVC)问题时，究竟哪些图允许贪心算法?我们得到了解决这个问题的一个充分条件;满足这一条件的图称为递归显性正则划分图(R-DRPG)。
{"title":"A Sufficiency Condition for Graphs to Admit Greedy Algorithm in Solving the Minimum Sum Vertex Cover Problem","authors":"S. V. Rohith Mohan, B. D. Acharya, M. Acharya","doi":"10.1109/PACC.2011.5979021","DOIUrl":"https://doi.org/10.1109/PACC.2011.5979021","url":null,"abstract":"Minimum sum vertex cover (MSVC) problem is a NP- Complete problem which arises in the context of designing efficient algorithms for solving semi- definite programs, and in the context of speeding up matrix computations. In this paper, in order to solve the MSVC problem, we address a new general problem : Precisely which graphs admit greedy algorithm in solving minimizing minimum sum vertex cover (MSVC) problem ? We obtain a sufficiency condition for solving this problem; the graphs satisfying this condition have been called recurrent dominancy regular partition graphs (R-DRPG).","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123095743","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978870
R. Parthiban, C. Muthuraj
The use of FLUENT, a computational fluid dynamics modeling tool in the engineering design process has become increasingly popular in recent times as a result of beneficial outcomes from several studies. Sugar mill evaporators are likely to have non-ideal juice flow characteristics and design improvements could be realized if a suitable computational model were developed. The model would be a useful tool for predicting broad trends in fluid flow behavior when process equipment modifications are implemented. In this paper, a numerical model is presented for the single-phase fluid flow inside an evaporator vessel. The model is a one-quarter wedge of the entire vessel utilizing two planes of symmetry to reduce the size of the mesh required. The model presented here is capable of predicting trends in the fluid flow behavior for processing conditions normally experienced in the final vessel of a multiple-effect evaporator set. Although the use of the momentum source term in the calandria section did not result in fluid flow being completely restricted to the vertical direction, the predictions show reasonable agreement when compared with measurements taken from the actual vessel. The predictions also show that the design of the juice distribution system at the inlet to the vessel has a major influence on the flow field in the remainder of the vessel. A large amount of mixing was found to occur at the inlet resulting in the calandria region, being exposed to juice with properties close to the outlet stream, which is detrimental to performance.
{"title":"Modeling of Liquid Phase, Non-Ideal Flow Characteristics in Multiple Effect Evaporators with FLUENT","authors":"R. Parthiban, C. Muthuraj","doi":"10.1109/PACC.2011.5978870","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978870","url":null,"abstract":"The use of FLUENT, a computational fluid dynamics modeling tool in the engineering design process has become increasingly popular in recent times as a result of beneficial outcomes from several studies. Sugar mill evaporators are likely to have non-ideal juice flow characteristics and design improvements could be realized if a suitable computational model were developed. The model would be a useful tool for predicting broad trends in fluid flow behavior when process equipment modifications are implemented. In this paper, a numerical model is presented for the single-phase fluid flow inside an evaporator vessel. The model is a one-quarter wedge of the entire vessel utilizing two planes of symmetry to reduce the size of the mesh required. The model presented here is capable of predicting trends in the fluid flow behavior for processing conditions normally experienced in the final vessel of a multiple-effect evaporator set. Although the use of the momentum source term in the calandria section did not result in fluid flow being completely restricted to the vertical direction, the predictions show reasonable agreement when compared with measurements taken from the actual vessel. The predictions also show that the design of the juice distribution system at the inlet to the vessel has a major influence on the flow field in the remainder of the vessel. A large amount of mixing was found to occur at the inlet resulting in the calandria region, being exposed to juice with properties close to the outlet stream, which is detrimental to performance.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"135 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117326962","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}
Pub Date : 2011-07-20DOI: 10.1109/PACC.2011.5978938
N. Priyadarshini, K. Pargunarajan
It is very important to obtain very good low-rate codes with increased speed, due to its importance in modern communication systems. This paper proposes an effective method to achieve very-low-rate convolutional codes, with minimum generator polynomials and higher speed.
{"title":"Very-Low-Rate Convolutional Codes Using Modified Parallel Architecture for Spread Spectrum Applications","authors":"N. Priyadarshini, K. Pargunarajan","doi":"10.1109/PACC.2011.5978938","DOIUrl":"https://doi.org/10.1109/PACC.2011.5978938","url":null,"abstract":"It is very important to obtain very good low-rate codes with increased speed, due to its importance in modern communication systems. This paper proposes an effective method to achieve very-low-rate convolutional codes, with minimum generator polynomials and higher speed.","PeriodicalId":403612,"journal":{"name":"2011 International Conference on Process Automation, Control and Computing","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2011-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125904369","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}
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