Pub Date : 2013-11-01DOI: 10.1109/IECON.2013.6699387
Mariam Ahmed, A. Hably, S. Bacha
This paper presents a new control strategy for Kite Generator System (KGS). The proposed feedback strategy is based on motion planning using the virtual constraint approach and ensures exponential orbital stability of the desired trajectory. The strategy is detailed, applied and tested via numerical simulations and showed good convergence to a desired periodic motion.
{"title":"Kite generator system periodic motion planning via virtual constraints","authors":"Mariam Ahmed, A. Hably, S. Bacha","doi":"10.1109/IECON.2013.6699387","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699387","url":null,"abstract":"This paper presents a new control strategy for Kite Generator System (KGS). The proposed feedback strategy is based on motion planning using the virtual constraint approach and ensures exponential orbital stability of the desired trajectory. The strategy is detailed, applied and tested via numerical simulations and showed good convergence to a desired periodic motion.","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":"125579175","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.2013.6700163
Àlber Filbà-Martínez, S. Busquets-Monge, J. Bordonau
This paper presents a converter consisting of a dual active bridge built upon three-level neutral-point-clamped legs in order to synthesize a five-level medium- or high- frequency stepped waveform on each side of the transformer. Thanks to the modulation extra degrees of freedom, the transformer current harmonic content can be reduced (less magnetic losses) and the fundamental component of the transformer primary and secondary voltages can be adjusted to minimize the reactive power (less conduction losses). A modulation strategy and control scheme to regulate the dc-link capacitor voltage balance is proposed. The topology, modulation, and balancing control are validated through simulations.
{"title":"Modulation and capacitor voltage balancing control of a three-level NPC dual-active-bridge DC-DC converter","authors":"Àlber Filbà-Martínez, S. Busquets-Monge, J. Bordonau","doi":"10.1109/IECON.2013.6700163","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700163","url":null,"abstract":"This paper presents a converter consisting of a dual active bridge built upon three-level neutral-point-clamped legs in order to synthesize a five-level medium- or high- frequency stepped waveform on each side of the transformer. Thanks to the modulation extra degrees of freedom, the transformer current harmonic content can be reduced (less magnetic losses) and the fundamental component of the transformer primary and secondary voltages can be adjusted to minimize the reactive power (less conduction losses). A modulation strategy and control scheme to regulate the dc-link capacitor voltage balance is proposed. The topology, modulation, and balancing control are validated through simulations.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"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":"115031485","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.2013.6700254
G. Wang, M. Ciobotaru, V. Agelidis
The power output of photovoltaic (PV) systems is affected by variable weather conditions, and thus presents a major obstacle to their extensive penetration into the electricity network. This paper proposes a power management strategy for a hybrid energy storage system supporting a 1 MW PV power station. The storage system is based on a vanadium redox battery and a super-capacitor bank. The strategy focuses on improving the efficiency and life span of the vanadium redox battery while smoothing the output power fluctuations of the PV system. The equivalent electrical models of 1 MW PV system and the hybrid storage system have been implemented in MATLAB/Simulink & PLECS software platform. The satisfactory operational performance of the proposed strategy is proven through simulation results.
{"title":"Power management of hybrid energy storage system for a MW photovoltaic system","authors":"G. Wang, M. Ciobotaru, V. Agelidis","doi":"10.1109/IECON.2013.6700254","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700254","url":null,"abstract":"The power output of photovoltaic (PV) systems is affected by variable weather conditions, and thus presents a major obstacle to their extensive penetration into the electricity network. This paper proposes a power management strategy for a hybrid energy storage system supporting a 1 MW PV power station. The storage system is based on a vanadium redox battery and a super-capacitor bank. The strategy focuses on improving the efficiency and life span of the vanadium redox battery while smoothing the output power fluctuations of the PV system. The equivalent electrical models of 1 MW PV system and the hybrid storage system have been implemented in MATLAB/Simulink & PLECS software platform. The satisfactory operational performance of the proposed strategy is proven through simulation results.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"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":"115077715","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.2013.6699291
Chunlin Zhu, I. Deviny, B. Yu, L. Coulbeck, Gary Liu, J. Thomson
P-emitter and n-buffer layers have been optimized for 1700V planar gate DMOS IGBTs by applying laser annealing technique which can overcome the challenge of thin wafer processes to activate dopants implanted from the backside after wafer backside ground. The modules assembled using new chips combining optimized p-emitter/n-buffer design and backside laser annealing process showed attractive on-state voltage drop of 2.05V which is 0.35V lower than the ones without laser annealing process, and 0.65V lower than the conventional NPTs'. Therefore, the conduction loss is significantly reduced. The overshoot voltage between the collector and the emitter electrodes is reduced about 150V during IGBTs turning-off which improves the device ruggedness due to the achieved softer switching and lower di/dt for laser processed IGBTs. In tradeoff, its turn-off loss is about 0.1J/pulse higher than that without laser annealing process.
{"title":"Optimization of p-emitter/n-buffer using laser annealing technique in IGBT design","authors":"Chunlin Zhu, I. Deviny, B. Yu, L. Coulbeck, Gary Liu, J. Thomson","doi":"10.1109/IECON.2013.6699291","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699291","url":null,"abstract":"P-emitter and n-buffer layers have been optimized for 1700V planar gate DMOS IGBTs by applying laser annealing technique which can overcome the challenge of thin wafer processes to activate dopants implanted from the backside after wafer backside ground. The modules assembled using new chips combining optimized p-emitter/n-buffer design and backside laser annealing process showed attractive on-state voltage drop of 2.05V which is 0.35V lower than the ones without laser annealing process, and 0.65V lower than the conventional NPTs'. Therefore, the conduction loss is significantly reduced. The overshoot voltage between the collector and the emitter electrodes is reduced about 150V during IGBTs turning-off which improves the device ruggedness due to the achieved softer switching and lower di/dt for laser processed IGBTs. In tradeoff, its turn-off loss is about 0.1J/pulse higher than that without laser annealing process.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"45 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":"115174865","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.2013.6699269
Xingguo Tan, X. Ruan
LCC resonant converter operating in discontinuous current mode (DCM) can realize zero current switching (ZCS) turn-on and turn-off of power switches and ZCS turn-off of rectifier diodes. Therefore, the converter is suitable for high power switching power supplies where IGBT are employed as the power switches. This converter has three main operating modes, two of which have been analyzed and designed respectively in previous literatures to reduce component stresses and improve the converter efficiency at the full load. As the operating mode is related to load, this paper considers all of the three operating modes to analyze and design the converter. This design reduces RMS current of resonant inductor in the entire load range, therefore improves converter efficiency in the entire load range. A 5 kW, 50 V prototype is built to validate the effectiveness of this design method.
{"title":"Mode analysis and optimal design of LCC resonant converter operating in DCM","authors":"Xingguo Tan, X. Ruan","doi":"10.1109/IECON.2013.6699269","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699269","url":null,"abstract":"LCC resonant converter operating in discontinuous current mode (DCM) can realize zero current switching (ZCS) turn-on and turn-off of power switches and ZCS turn-off of rectifier diodes. Therefore, the converter is suitable for high power switching power supplies where IGBT are employed as the power switches. This converter has three main operating modes, two of which have been analyzed and designed respectively in previous literatures to reduce component stresses and improve the converter efficiency at the full load. As the operating mode is related to load, this paper considers all of the three operating modes to analyze and design the converter. This design reduces RMS current of resonant inductor in the entire load range, therefore improves converter efficiency in the entire load range. A 5 kW, 50 V prototype is built to validate the effectiveness of this design method.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"375 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":"115992346","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.2013.6699174
S. Bukhari, T. Lipo, B. Kwon
Numerous sensitive loads of commercial, industrial and domestic use depend upon an uninterruptible power supply (UPS) system to ensure uninterrupted, reliable, and high quality power during outages as well as over voltage and under voltage conditions to maintain healthy operation. In case of a power failure or other disturbance, a UPS system generally takes over the load within a few milliseconds in order to supply continuous power to the load and avoid any interruption. However, due to the magnetic saturation of the load transformer, this transition of load can cause significant inrush current generation. The generation of inrush current can cause the reduced line voltage and activate the over current protection of a UPS system. This paper proposes an inrush current reduction technique by supplying the rated current to the load and energizing the secondary of the transformer to its rated magnetizing current through a current regulated voltage source inverter after connecting it to the secondary of transformer. The possibility of the generation of inrush current is almost completely eliminated during all possible loading and transient conditions. Simulations have been performed by using simulink to validate the proposed inrush current reduction technique.
{"title":"An inrush current reduction technique for the line-interactive uninterruptible power supply systems","authors":"S. Bukhari, T. Lipo, B. Kwon","doi":"10.1109/IECON.2013.6699174","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699174","url":null,"abstract":"Numerous sensitive loads of commercial, industrial and domestic use depend upon an uninterruptible power supply (UPS) system to ensure uninterrupted, reliable, and high quality power during outages as well as over voltage and under voltage conditions to maintain healthy operation. In case of a power failure or other disturbance, a UPS system generally takes over the load within a few milliseconds in order to supply continuous power to the load and avoid any interruption. However, due to the magnetic saturation of the load transformer, this transition of load can cause significant inrush current generation. The generation of inrush current can cause the reduced line voltage and activate the over current protection of a UPS system. This paper proposes an inrush current reduction technique by supplying the rated current to the load and energizing the secondary of the transformer to its rated magnetizing current through a current regulated voltage source inverter after connecting it to the secondary of transformer. The possibility of the generation of inrush current is almost completely eliminated during all possible loading and transient conditions. Simulations have been performed by using simulink to validate the proposed inrush current reduction technique.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"133 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":"116453621","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.2013.6699809
B. Mahler, Jan Haase
In this paper a control strategy and sensor concept for a two-wheeled self-balancing robot is proposed. First a mathematical model of the robot is derived using Lagrangian mechanics. Based on the model a full state feedback controller, in combination with two higher-level controls are deployed for stabilization and drive control. A gyroscope, an accelerometer and rotational encoders are used for state determination, introducing a new method of measurement data fusion for the accelerometer and the gyro by using a drift compensation controller. Furthermore measurement proceedings for the model parameters of a real prototype robot are suggested and the control for this robot is designed. The proposed mathematical model, as well as the control strategy are then verified by comparing the behavior of the constructed robot with model simulations.
{"title":"Mathematical model and control strategy of a two-wheeled self-balancing robot","authors":"B. Mahler, Jan Haase","doi":"10.1109/IECON.2013.6699809","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699809","url":null,"abstract":"In this paper a control strategy and sensor concept for a two-wheeled self-balancing robot is proposed. First a mathematical model of the robot is derived using Lagrangian mechanics. Based on the model a full state feedback controller, in combination with two higher-level controls are deployed for stabilization and drive control. A gyroscope, an accelerometer and rotational encoders are used for state determination, introducing a new method of measurement data fusion for the accelerometer and the gyro by using a drift compensation controller. Furthermore measurement proceedings for the model parameters of a real prototype robot are suggested and the control for this robot is designed. The proposed mathematical model, as well as the control strategy are then verified by comparing the behavior of the constructed robot with model simulations.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"100 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":"122315717","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.2013.6699615
Hakim Teiar, H. Chaoui, P. Sicard
A hybrid control system for PMSM that requires rough knowledge of the machine's quadrature inductance only is proposed. The scheme consists of an adaptive fuzzy speed controller and a sliding mode current controller. Lyapunov stability conditions are used to design the controllers that result into low sensitivity to torque disturbances and parameter variations.
{"title":"PMSM control based on adaptive fuzzy logic and sliding mode","authors":"Hakim Teiar, H. Chaoui, P. Sicard","doi":"10.1109/IECON.2013.6699615","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699615","url":null,"abstract":"A hybrid control system for PMSM that requires rough knowledge of the machine's quadrature inductance only is proposed. The scheme consists of an adaptive fuzzy speed controller and a sliding mode current controller. Lyapunov stability conditions are used to design the controllers that result into low sensitivity to torque disturbances and parameter variations.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"176 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":"122325237","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.2013.6700199
K. Seki, Kazuhiro Sugita, M. Iwasaki
This paper presents a suppression approach of disturbances due to the centroid movement of specimen in shaking table systems. In the system, overturning moment of specimen as the disturbance, which is generated by centroid movement, generally deteriorates the motion performance of the table, resulting in the lower reproducibility for the desired earthquake acceleration. In order to compensate for the disturbance, a shaking table including the specimen is modeled using a multi-body dynamics software. Based on the simulator, compensation signals that can cancel the disturbance are generated by an iterative learning control on the simulation. The proposed approach has been verified by experiments using a laboratory setup.
{"title":"Design of disturbance compensation signals aided by multi-body dynamics software in shaking table systems","authors":"K. Seki, Kazuhiro Sugita, M. Iwasaki","doi":"10.1109/IECON.2013.6700199","DOIUrl":"https://doi.org/10.1109/IECON.2013.6700199","url":null,"abstract":"This paper presents a suppression approach of disturbances due to the centroid movement of specimen in shaking table systems. In the system, overturning moment of specimen as the disturbance, which is generated by centroid movement, generally deteriorates the motion performance of the table, resulting in the lower reproducibility for the desired earthquake acceleration. In order to compensate for the disturbance, a shaking table including the specimen is modeled using a multi-body dynamics software. Based on the simulator, compensation signals that can cancel the disturbance are generated by an iterative learning control on the simulation. The proposed approach has been verified by experiments using a laboratory setup.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"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":"122420108","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.2013.6699583
M. Boukhnifer, A. Raisemche, D. Diallo, C. Larouci
In this paper, we present a comparative study of four voting algorithms for two Induction Motor drive fault tolerant control to speed sensor failure schemes. In both Output and Input Fault Tolerant controller, the voting algorithm chooses the most appropriate output signal to ensure the best behavior in degraded mode. The performances are evaluated through simulations of a 7.5 kW Induction Motor drive with robustness testing against parametric variations, as well as under load testing. The results show that Euler, Newton-Raphson and Maximum Likelihood voting algorithms are more efficient than the Weighted Average in both Fault Tolerant Control schemes.
{"title":"Fault tolerant control to mechanical sensor failures for Induction Motor drive: A comparative study of voting algorithms","authors":"M. Boukhnifer, A. Raisemche, D. Diallo, C. Larouci","doi":"10.1109/IECON.2013.6699583","DOIUrl":"https://doi.org/10.1109/IECON.2013.6699583","url":null,"abstract":"In this paper, we present a comparative study of four voting algorithms for two Induction Motor drive fault tolerant control to speed sensor failure schemes. In both Output and Input Fault Tolerant controller, the voting algorithm chooses the most appropriate output signal to ensure the best behavior in degraded mode. The performances are evaluated through simulations of a 7.5 kW Induction Motor drive with robustness testing against parametric variations, as well as under load testing. The results show that Euler, Newton-Raphson and Maximum Likelihood voting algorithms are more efficient than the Weighted Average in both Fault Tolerant Control schemes.","PeriodicalId":237327,"journal":{"name":"IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society","volume":"1 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":"122508713","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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