Pub Date : 2013-11-01DOI: 10.1109/IECON.2013.6699290
B. Zahedi, L. Norum, K. Ludvigsen
In order to comply with new stringent environmental regulations, and to achieve higher fuel economy, dc hybrid power systems are being considered for commercial marine vessels. In this paper, an optimization algorithm is proposed to minimize fuel consumption of a marine vessel under various loading conditions. The studied dc hybrid system includes diesel engines, synchronous generator-rectifier units, and a full-bridge bidirectional converter that incorporates an energy storage device into the system. In order to evaluate potential fuel saving provided by such a system, an online optimization control, based on the proposed algorithm, is implemented in simulation of an Offshore Support Vessel (OSV) over different operating modes. The simulation results show that the dc system without energy storage provides a fuel saving of approximately 7% compared to the conventional ac system. The comparison also shows that optimal utilization of the energy storage in the dc system would result in twice as much fuel saving.
{"title":"Optimization of fuel consumption in shipboard power systems","authors":"B. Zahedi, L. Norum, K. Ludvigsen","doi":"10.1109/IECON.2013.6699290","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699290","url":null,"abstract":"In order to comply with new stringent environmental regulations, and to achieve higher fuel economy, dc hybrid power systems are being considered for commercial marine vessels. In this paper, an optimization algorithm is proposed to minimize fuel consumption of a marine vessel under various loading conditions. The studied dc hybrid system includes diesel engines, synchronous generator-rectifier units, and a full-bridge bidirectional converter that incorporates an energy storage device into the system. In order to evaluate potential fuel saving provided by such a system, an online optimization control, based on the proposed algorithm, is implemented in simulation of an Offshore Support Vessel (OSV) over different operating modes. The simulation results show that the dc system without energy storage provides a fuel saving of approximately 7% compared to the conventional ac system. The comparison also shows that optimal utilization of the energy storage in the dc system would result in twice as much fuel saving.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125014764","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 : 2013-11-01DOI: 10.1109/IECON.2013.6700251
F. Baronti, C. Bernardeschi, Luca Cassano, A. Domenici, R. Roncella, R. Saletti
Lithium-ion batteries are increasingly being used in safety-critical applications, such as automotive, avionics and aerospace systems. They require the adoption of an electronic control system, called Battery Management System (BMS), to guarantee their safe and effective operation. Therefore, the reliability of the BMS is of paramount importance. In this paper, we analyze the effects of Single Event Upsets (SEUs) occurring in the control logic of an important BMS subsystem, i.e., the charge equalizer. Moreover, some SEU mitigation techniques based on logic redundancy are presented and their effectiveness is compared through fault simulation.
{"title":"Mitigation of Single Event Upsets in the control logic of a charge equalizer for Li-ion batteries","authors":"F. Baronti, C. Bernardeschi, Luca Cassano, A. Domenici, R. Roncella, R. Saletti","doi":"10.1109/IECON.2013.6700251","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700251","url":null,"abstract":"Lithium-ion batteries are increasingly being used in safety-critical applications, such as automotive, avionics and aerospace systems. They require the adoption of an electronic control system, called Battery Management System (BMS), to guarantee their safe and effective operation. Therefore, the reliability of the BMS is of paramount importance. In this paper, we analyze the effects of Single Event Upsets (SEUs) occurring in the control logic of an important BMS subsystem, i.e., the charge equalizer. Moreover, some SEU mitigation techniques based on logic redundancy are presented and their effectiveness is compared through fault simulation.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125024738","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 : 2013-11-01DOI: 10.1109/IECON.2013.6699955
R. Rabinovici, V. Berdichevsky, M. Shvartsas
Electromagnetic levitation melting process is occasionally employed in the metallurgical industry to melt metals in a sterile environment without the risk of specimen contamination by crucible materials. The stability of this process is affected by the system geometry, the construction materials and the power supply design. This paper presents a new analytical stability analysis model of a levitation-melting system fed by an ideal series resonant converter working with a constant switching frequency. It is found that a response delay, of the current envelope signal in the coil, to changes in specimen position has an impact on the system stability. Simulation results validate the developed analytical model.
{"title":"Stability of a levitation melting system fed by an ideal series resonant converter","authors":"R. Rabinovici, V. Berdichevsky, M. Shvartsas","doi":"10.1109/IECON.2013.6699955","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699955","url":null,"abstract":"Electromagnetic levitation melting process is occasionally employed in the metallurgical industry to melt metals in a sterile environment without the risk of specimen contamination by crucible materials. The stability of this process is affected by the system geometry, the construction materials and the power supply design. This paper presents a new analytical stability analysis model of a levitation-melting system fed by an ideal series resonant converter working with a constant switching frequency. It is found that a response delay, of the current envelope signal in the coil, to changes in specimen position has an impact on the system stability. Simulation results validate the developed analytical model.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125150556","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 : 2013-11-01DOI: 10.1109/IECON.2013.6700369
B. Ahmad, Xiangjun Kong, R. Harrison, Johannes Watermann, A. Colombo
Increasing complexity and decreasing time-to-market require changes in the traditional way of building automation systems. The paper describes a novel approach to automatically generate the Human Machine Interface (HMI) screens for component-based manufacturing cells based on their corresponding virtual models. Manufacturing cells are first prototyped and commissioned within a virtual engineering environment to validate and optimise the control behaviour. A framework for reusing the embedded control information in the virtual models to automatically generate the HMI screens is proposed. Finally, for proof of concept, the proposed solution is implemented and tested on a test rig.
{"title":"Automatic generation of Human Machine Interface screens from component-based reconfigurable virtual manufacturing cell","authors":"B. Ahmad, Xiangjun Kong, R. Harrison, Johannes Watermann, A. Colombo","doi":"10.1109/IECON.2013.6700369","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700369","url":null,"abstract":"Increasing complexity and decreasing time-to-market require changes in the traditional way of building automation systems. The paper describes a novel approach to automatically generate the Human Machine Interface (HMI) screens for component-based manufacturing cells based on their corresponding virtual models. Manufacturing cells are first prototyped and commissioned within a virtual engineering environment to validate and optimise the control behaviour. A framework for reusing the embedded control information in the virtual models to automatically generate the HMI screens is proposed. Finally, for proof of concept, the proposed solution is implemented and tested on a test rig.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125798876","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 : 2013-11-01DOI: 10.1109/IECON.2013.6699966
N. A. Azeez, J. Mathew, K. Gopakumar, Carlo Cecati
Voltage source inverter (VSI) fed six-phase induction motor drives have high 6n ± 1; n = odd order harmonic currents, due to absence of back emf for these currents. To suppress these harmonic currents, either bulky inductive harmonic filters or complex pulse width modulation (PWM) techniques have to be used. This paper proposes a simple harmonic elimination scheme using capacitor fed inverters, for an asymmetrical six-phase induction motor VSI fed drive. Two three phase inverters fed from a single capacitor is used on the open-end side of the motor, to suppress 6n ± 1; n = odd order harmonics. A PWM scheme that can suppress the harmonics, as well as balance the capacitor voltage is also proposed. The capacitor fed inverters are switched so that the fundamental voltage is not affected. The proposed scheme is verified using MATLAB Simulink simulation at different speeds. The effectiveness of the scheme is demonstrated by comparing the results with those obtained by disabling the capacitor fed inverters. Experimental results are also provided to validate the functionality of the proposed controller.
{"title":"A 5th and 7th order harmonic suppression scheme for open-end winding asymmetrical six-phase IM drive using capacitor-fed inverter","authors":"N. A. Azeez, J. Mathew, K. Gopakumar, Carlo Cecati","doi":"10.1109/IECON.2013.6699966","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699966","url":null,"abstract":"Voltage source inverter (VSI) fed six-phase induction motor drives have high 6n ± 1; n = odd order harmonic currents, due to absence of back emf for these currents. To suppress these harmonic currents, either bulky inductive harmonic filters or complex pulse width modulation (PWM) techniques have to be used. This paper proposes a simple harmonic elimination scheme using capacitor fed inverters, for an asymmetrical six-phase induction motor VSI fed drive. Two three phase inverters fed from a single capacitor is used on the open-end side of the motor, to suppress 6n ± 1; n = odd order harmonics. A PWM scheme that can suppress the harmonics, as well as balance the capacitor voltage is also proposed. The capacitor fed inverters are switched so that the fundamental voltage is not affected. The proposed scheme is verified using MATLAB Simulink simulation at different speeds. The effectiveness of the scheme is demonstrated by comparing the results with those obtained by disabling the capacitor fed inverters. Experimental results are also provided to validate the functionality of the proposed controller.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126052108","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 : 2013-11-01DOI: 10.1109/IECON.2013.6699488
M. Hamad, M. Masoud, K. Ahmed, B. Williams
The 6-pulse controlled ac/dc converter produces harmonics. The input current total harmonic distortion and the input power factor which is firing delay angle dependent are major drawbacks and a compensation technique is mandatory. This paper introduces a compensated 6-pulse current source controlled rectifier with a shunt active power filter, APF, and tapped WYE front-end transformer configuration. The shunt APF is controlled using a predictive current control. It is connected to taps on the front end transformer secondary forming a novel star auto-transformer connection where voltage matching is achieved without the need of a high frequency coupling transformer. Simulation results are presented for a medium voltage converter which is scaled to allow low-voltage experimental confirmation.
{"title":"Medium voltage 6-pulse CSR with a novel shunt active power filter connection","authors":"M. Hamad, M. Masoud, K. Ahmed, B. Williams","doi":"10.1109/IECON.2013.6699488","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699488","url":null,"abstract":"The 6-pulse controlled ac/dc converter produces harmonics. The input current total harmonic distortion and the input power factor which is firing delay angle dependent are major drawbacks and a compensation technique is mandatory. This paper introduces a compensated 6-pulse current source controlled rectifier with a shunt active power filter, APF, and tapped WYE front-end transformer configuration. The shunt APF is controlled using a predictive current control. It is connected to taps on the front end transformer secondary forming a novel star auto-transformer connection where voltage matching is achieved without the need of a high frequency coupling transformer. Simulation results are presented for a medium voltage converter which is scaled to allow low-voltage experimental confirmation.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123455664","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 : 2013-11-01DOI: 10.1109/IECON.2013.6700500
Mario Faschang, F. Kupzog, R. Mosshammer, A. Einfalt
With the progress of the smart grid development and the prototyping of active control solutions supporting grid operation in the presence of a large amount of distributed generators, a design methodology for networked smart grid systems is required. This paper proposes an approach for fast system simulation and emulation-supported prototyping. A distinct tool, the Simulation Message Bus, accompanies the development of distributed controllers for power distribution grids from concept to field application. With this, the idea of an integrated development tool chain as it is known e.g. in the semiconductor or car industry is brought to the energy domain.
{"title":"Rapid control prototyping platform for networked smart grid systems","authors":"Mario Faschang, F. Kupzog, R. Mosshammer, A. Einfalt","doi":"10.1109/IECON.2013.6700500","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700500","url":null,"abstract":"With the progress of the smart grid development and the prototyping of active control solutions supporting grid operation in the presence of a large amount of distributed generators, a design methodology for networked smart grid systems is required. This paper proposes an approach for fast system simulation and emulation-supported prototyping. A distinct tool, the Simulation Message Bus, accompanies the development of distributed controllers for power distribution grids from concept to field application. With this, the idea of an integrated development tool chain as it is known e.g. in the semiconductor or car industry is brought to the energy domain.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"14 4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123540691","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 : 2013-11-01DOI: 10.1109/IECON.2013.6699243
D. Heredero-Peris, Cristian Chillon Anton, M. Pagès-Giménez, G. Gross, D. Montesinos-Miracle
This paper presents the transfer of a microgrid converter from/to on-grid to/from off-grid when the converter is working in two different modes. In the first transfer presented method, the converter operates as a Current Source Inverter (CSI) when on-grid and as a Voltage Source Inverter (VSI) when off-grid. In the second transfer method, the converter is operated as a VSI both, when operated on-grid and off-grid. The two methods are implemented successfully in a real platform but the later offers some advantage.
{"title":"Implementation of grid-connected to/from off-grid transference for micro-grid inverters","authors":"D. Heredero-Peris, Cristian Chillon Anton, M. Pagès-Giménez, G. Gross, D. Montesinos-Miracle","doi":"10.1109/IECON.2013.6699243","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699243","url":null,"abstract":"This paper presents the transfer of a microgrid converter from/to on-grid to/from off-grid when the converter is working in two different modes. In the first transfer presented method, the converter operates as a Current Source Inverter (CSI) when on-grid and as a Voltage Source Inverter (VSI) when off-grid. In the second transfer method, the converter is operated as a VSI both, when operated on-grid and off-grid. The two methods are implemented successfully in a real platform but the later offers some advantage.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125313162","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 : 2013-11-01DOI: 10.1109/IECON.2013.6700235
D. Dietrich, Samer Schaat, D. Bruckner, Klaus Doblhammer, Georg Fodor
Complexity of technology is constantly increasing; for the field of automation this means that economic considerations dictate a need for corresponding measures. Artificial intelligence boasts noteworthy successes in this area; however, its achievements appear modest when compared to the faculties of human intelligence. This paper will demonstrate that a new modeling approach is required via possibilities offered by the mindset and tools of computer technology, thereby demonstrating why a psychoanalytic approach seems sensible and necessary. The paramount goal of the research introduced in the following is a formal approach to describing the human psyche based on the neuro- symbolic and neuronal functional layers. Questions associated with this approach include: To what extent can the psychoanalytic model be confirmed by computer technology and the possibility of simulation? To what extent is an axiomatically developed terminology in psychoanalysis a prerequisite for the better integration of the natural-scientific way of thinking in psychoanalysis? The paper is based on the results of several fundamental research projects within the framework of ARS (Artificial Recognition System) which were funded in part nationally and in part by the EU.
{"title":"The current state of psychoanalytically-inspired AI","authors":"D. Dietrich, Samer Schaat, D. Bruckner, Klaus Doblhammer, Georg Fodor","doi":"10.1109/IECON.2013.6700235","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700235","url":null,"abstract":"Complexity of technology is constantly increasing; for the field of automation this means that economic considerations dictate a need for corresponding measures. Artificial intelligence boasts noteworthy successes in this area; however, its achievements appear modest when compared to the faculties of human intelligence. This paper will demonstrate that a new modeling approach is required via possibilities offered by the mindset and tools of computer technology, thereby demonstrating why a psychoanalytic approach seems sensible and necessary. The paramount goal of the research introduced in the following is a formal approach to describing the human psyche based on the neuro- symbolic and neuronal functional layers. Questions associated with this approach include: To what extent can the psychoanalytic model be confirmed by computer technology and the possibility of simulation? To what extent is an axiomatically developed terminology in psychoanalysis a prerequisite for the better integration of the natural-scientific way of thinking in psychoanalysis? The paper is based on the results of several fundamental research projects within the framework of ARS (Artificial Recognition System) which were funded in part nationally and in part by the EU.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125352267","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 : 2013-11-01DOI: 10.1109/IECON.2013.6699606
Jie Fang, V. Staudt, A. Steimel
This paper presents a general model of the Doubly-Fed Induction Generator (DFIG). The model includes the influence of slotting on the harmonics of stator- and rotor currents. Most squirrel-cage induction machines can be described well based on a fundamental-wave model of winding distribution. In case of DFIG the slotting and the non-ideal structure of the windings in stator and rotor cause considerable harmonics of stator currents and rotor currents. These harmonics strongly depend on the speed of the machine and present a challenge to model-based control of DFIG. Including the slotting into the model improves accuracy considerably. The model is verified by measurements at a 200-kW DFIG.
{"title":"Modeling of Doubly-Fed Induction Generator with strong slot harmonic","authors":"Jie Fang, V. Staudt, A. Steimel","doi":"10.1109/IECON.2013.6699606","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699606","url":null,"abstract":"This paper presents a general model of the Doubly-Fed Induction Generator (DFIG). The model includes the influence of slotting on the harmonics of stator- and rotor currents. Most squirrel-cage induction machines can be described well based on a fundamental-wave model of winding distribution. In case of DFIG the slotting and the non-ideal structure of the windings in stator and rotor cause considerable harmonics of stator currents and rotor currents. These harmonics strongly depend on the speed of the machine and present a challenge to model-based control of DFIG. Including the slotting into the model improves accuracy considerably. The model is verified by measurements at a 200-kW DFIG.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125562838","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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