Pub Date : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453562
Qing Chen, Qi Li, P. Stolze, R. Kennel, D. Schröder
This paper covers the basic principle related to the anisotropy-based1 sensorless control for electrical drives. Several anisotropy-based methods were developed to solve the failure problem of fundamental model based methods in the lower speed, and at zero speed of electric machine. The objective of this paper is to help the reader develop a systematic understanding of this technique that has been developed over the past three decades.
{"title":"Anisotropy-based Sensorless Control for Electrical Drives – Part I: Basic Principle","authors":"Qing Chen, Qi Li, P. Stolze, R. Kennel, D. Schröder","doi":"10.1109/ICIT46573.2021.9453562","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453562","url":null,"abstract":"This paper covers the basic principle related to the anisotropy-based1 sensorless control for electrical drives. Several anisotropy-based methods were developed to solve the failure problem of fundamental model based methods in the lower speed, and at zero speed of electric machine. The objective of this paper is to help the reader develop a systematic understanding of this technique that has been developed over the past three decades.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126959668","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453665
Brajhan B. Quispe, Gerard de Melo, R. Cardim, J. Ribeiro
This paper presents the design of a single-phase bidirectional plug-in electric vehicle (PEV) charger for charging/discharging the vehicle’s battery. The charger operates in all quadrants of the active-reactive (P-Q) power plane, thus enabling reactive power support service to the utility grid. The proposed charger topology consists of two cascaded power stages: a full-bridge inverter and a coupled-inductor bidirectional Cuk converter. A hybrid control system is used, which consists of a set of PI controllers and Takagi-Sugeno (T-S) fuzzy controllers. This control system allows the charger to follow reference measures for active and reactive power in a smart grid environment. T-S fuzzy models are derived from the converter-inverter system for the controller’s design analysis via linear matrix inequalities (LMI). Finally, the effectiveness of the proposed control strategy for the charger through simulation results is verified.
{"title":"Single-Phase Bidirectional PEV Charger for V2G Operation with Coupled-Inductor Cuk Converter","authors":"Brajhan B. Quispe, Gerard de Melo, R. Cardim, J. Ribeiro","doi":"10.1109/ICIT46573.2021.9453665","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453665","url":null,"abstract":"This paper presents the design of a single-phase bidirectional plug-in electric vehicle (PEV) charger for charging/discharging the vehicle’s battery. The charger operates in all quadrants of the active-reactive (P-Q) power plane, thus enabling reactive power support service to the utility grid. The proposed charger topology consists of two cascaded power stages: a full-bridge inverter and a coupled-inductor bidirectional Cuk converter. A hybrid control system is used, which consists of a set of PI controllers and Takagi-Sugeno (T-S) fuzzy controllers. This control system allows the charger to follow reference measures for active and reactive power in a smart grid environment. T-S fuzzy models are derived from the converter-inverter system for the controller’s design analysis via linear matrix inequalities (LMI). Finally, the effectiveness of the proposed control strategy for the charger through simulation results is verified.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116633761","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453691
Felix Auris, C. Diedrich
Currently, validation during the planning phases of smart production plants is approached very domain-specific. Interdisciplinary use of validation models is rare. Instead, models are often optimized for their single purpose. On the basis of a semi-formal analysis, a model integration concept, which spans different validation phases is proposed. A model for a production station is build based on "Component Behaviour Models" for mechatronic components, which are integrated into a plant simulation. In this publication, a mechanical interface for such integration is proposed and different interface concepts are discussed in order to establish guidelines for the model combination and integration depth, enabling an evolutionary introduction of this concept in practical applications.
{"title":"Design Guidelines for the Evolutionary Integration of Physical Behaviour Models into Plant Simulations for Production Engineering","authors":"Felix Auris, C. Diedrich","doi":"10.1109/ICIT46573.2021.9453691","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453691","url":null,"abstract":"Currently, validation during the planning phases of smart production plants is approached very domain-specific. Interdisciplinary use of validation models is rare. Instead, models are often optimized for their single purpose. On the basis of a semi-formal analysis, a model integration concept, which spans different validation phases is proposed. A model for a production station is build based on \"Component Behaviour Models\" for mechatronic components, which are integrated into a plant simulation. In this publication, a mechanical interface for such integration is proposed and different interface concepts are discussed in order to establish guidelines for the model combination and integration depth, enabling an evolutionary introduction of this concept in practical applications.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"179 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121882174","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453701
Teodoro Ibarra-Pérez, M. R. Martinez-Blanco, Fernando Olivera Domingo, J. Ortiz-Rodríguez, Javier Escribano
In the design of neural networks, generally the selection of the structural parameters is chosen through trial and error procedures, consuming large amounts of resources and unavailable time, without guaranteeing the optimal configuration of the parameters that allow obtaining the best performance of the network. In this paper, the robust design methodology of artificial neural networks based on the Taguchi philosophy was used to select the optimal parameters in a back-propagation network architecture to solve the inverse kinematics in a 6 degrees of freedom robotic manipulator. The parameters to optimize were the number of hidden layers, the number of neurons per layer, the learning rate, the momentum, the number of neurons per layer and the size of the training set versus the test set. Allowing to identify all the combinations possible in relation to the number of variables involved by performing a significant number of experiments compared to other methods where they usually run a huge number of experiments. The results obtained allowed to optimize the design parameters and substantially improve the precision of the results, achieving a prediction percentage of 90% with a margin of error less than 5% during the testing stage
{"title":"A novel optimization robust design of artificial neural networks to solve the inverse kinematics of a manipulator of 6 DOF","authors":"Teodoro Ibarra-Pérez, M. R. Martinez-Blanco, Fernando Olivera Domingo, J. Ortiz-Rodríguez, Javier Escribano","doi":"10.1109/ICIT46573.2021.9453701","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453701","url":null,"abstract":"In the design of neural networks, generally the selection of the structural parameters is chosen through trial and error procedures, consuming large amounts of resources and unavailable time, without guaranteeing the optimal configuration of the parameters that allow obtaining the best performance of the network. In this paper, the robust design methodology of artificial neural networks based on the Taguchi philosophy was used to select the optimal parameters in a back-propagation network architecture to solve the inverse kinematics in a 6 degrees of freedom robotic manipulator. The parameters to optimize were the number of hidden layers, the number of neurons per layer, the learning rate, the momentum, the number of neurons per layer and the size of the training set versus the test set. Allowing to identify all the combinations possible in relation to the number of variables involved by performing a significant number of experiments compared to other methods where they usually run a huge number of experiments. The results obtained allowed to optimize the design parameters and substantially improve the precision of the results, achieving a prediction percentage of 90% with a margin of error less than 5% during the testing stage","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124774078","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453504
Xinyue Zhang, Jiacheng Sun, Xiaohua Wu, Xuanlyu Wu, W. Yao
Different voltage levels are needed in the wide application of microgrids and distributed energy. To meet demand, this paper proposes an integrated single-input dual-output (SIDO) ac-dc converter with a component count reduction, providing two different dc voltage levels. Based on the comprehensive analysis of the topology, power factor correction (PFC) control strategy and the power decoupling control strategy for different voltage levels are designed. Furthermore, the experimental results based on a prototype circuit are demonstrated to validate the theoretical analysis.
{"title":"Research on SIDO Converter and Its Power Decoupling Control Strategy","authors":"Xinyue Zhang, Jiacheng Sun, Xiaohua Wu, Xuanlyu Wu, W. Yao","doi":"10.1109/ICIT46573.2021.9453504","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453504","url":null,"abstract":"Different voltage levels are needed in the wide application of microgrids and distributed energy. To meet demand, this paper proposes an integrated single-input dual-output (SIDO) ac-dc converter with a component count reduction, providing two different dc voltage levels. Based on the comprehensive analysis of the topology, power factor correction (PFC) control strategy and the power decoupling control strategy for different voltage levels are designed. Furthermore, the experimental results based on a prototype circuit are demonstrated to validate the theoretical analysis.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"2011 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125632034","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453480
Andreas Langheck, Dominik Stretz, Jie Zhou, Thorsten Rittgerott, J. Kolb, M. Doppelbauer
Electric drives often do not have a smooth torque. In most cases they are coupled with mechanical systems. These tend to have natural frequencies. Therefore, it is advisable to eliminate harmonics from the torque pulsation if they are close to a natural frequency. One possibility to do this is harmonic current injection or HCI for short. However, the question arises, how exactly this harmonic current should be. The fact that a harmonic in the torque can be influenced by the d and q current results in a greater degree of freedom. This paper presents a method to investigate all possible solutions. Furthermore, two optimization possibilities for the current trajectory are presented. The effect of this selection on the maximum torque speed curve is shown. It has been found that the method which minimizes the induced voltage achieves an up to 8% larger range of application in this example.
{"title":"Harmonic current injection for torque ripple reduction with optimum current trajectory for minimum induced voltage","authors":"Andreas Langheck, Dominik Stretz, Jie Zhou, Thorsten Rittgerott, J. Kolb, M. Doppelbauer","doi":"10.1109/ICIT46573.2021.9453480","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453480","url":null,"abstract":"Electric drives often do not have a smooth torque. In most cases they are coupled with mechanical systems. These tend to have natural frequencies. Therefore, it is advisable to eliminate harmonics from the torque pulsation if they are close to a natural frequency. One possibility to do this is harmonic current injection or HCI for short. However, the question arises, how exactly this harmonic current should be. The fact that a harmonic in the torque can be influenced by the d and q current results in a greater degree of freedom. This paper presents a method to investigate all possible solutions. Furthermore, two optimization possibilities for the current trajectory are presented. The effect of this selection on the maximum torque speed curve is shown. It has been found that the method which minimizes the induced voltage achieves an up to 8% larger range of application in this example.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127671741","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453681
Saeed Arazm, K. Al-haddad
In this paper a nine level Z-packed U-cell (ZPUC9) multilevel converter has been proposed as a submodule of modular multilevel converter (MMC) to increase the voltage level at the output waveform. Single DC source ZPUC9-MMC generates 17-level phase voltage and 33-Level line voltage waveform through single submodule per arm which increases the voltage quality owing to total harmonic distortion (THD) reduction and increase the reliability due to reduced counts of devices. Single DC source operation for single-phase and three-phase operation as well as the modularity is the main advantages of proposed configuration in comparison with the counterpart converters. Voltage balancing integrated with modulation technique has been used to control and regulate the flying capacitors (FCs) voltages of the converter. Simulation results obtained by MATLAB-Simulink validate the performance of proposed converter in transient and steady state in stand-alone mode
{"title":"ZPUC9-MMC: An Increased Voltage Level Modular Multilevel Converter","authors":"Saeed Arazm, K. Al-haddad","doi":"10.1109/ICIT46573.2021.9453681","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453681","url":null,"abstract":"In this paper a nine level Z-packed U-cell (ZPUC9) multilevel converter has been proposed as a submodule of modular multilevel converter (MMC) to increase the voltage level at the output waveform. Single DC source ZPUC9-MMC generates 17-level phase voltage and 33-Level line voltage waveform through single submodule per arm which increases the voltage quality owing to total harmonic distortion (THD) reduction and increase the reliability due to reduced counts of devices. Single DC source operation for single-phase and three-phase operation as well as the modularity is the main advantages of proposed configuration in comparison with the counterpart converters. Voltage balancing integrated with modulation technique has been used to control and regulate the flying capacitors (FCs) voltages of the converter. Simulation results obtained by MATLAB-Simulink validate the performance of proposed converter in transient and steady state in stand-alone mode","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127819591","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453588
J. Marot, M. Bensoam
This paper describes a project course and a classroom course, performed in collaboration with the firm Axyn Robotics, where students aim at improving the autonomy of a telepresence robot. In this research, firstly, the students had to get familiar with the robot and control it remotely with WiFi and bluetooth communication protocols. Secondly, the students had to explore the abilities of new advanced cameras constructed by Intel. They had to show to the industrial partner that the chosen cameras were adequate to enable the robot to perform autonomous navigation. A classroom lesson is proposed where three parts of the robot are studied through smaller setups. We strongly believe that the measured positive academic impact of such a project and course is due to the university-industry collaboration, and the use of information and communication technologies as educational tools.
{"title":"Telepresence robot, nano-computers and advanced cameras as educational tools","authors":"J. Marot, M. Bensoam","doi":"10.1109/ICIT46573.2021.9453588","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453588","url":null,"abstract":"This paper describes a project course and a classroom course, performed in collaboration with the firm Axyn Robotics, where students aim at improving the autonomy of a telepresence robot. In this research, firstly, the students had to get familiar with the robot and control it remotely with WiFi and bluetooth communication protocols. Secondly, the students had to explore the abilities of new advanced cameras constructed by Intel. They had to show to the industrial partner that the chosen cameras were adequate to enable the robot to perform autonomous navigation. A classroom lesson is proposed where three parts of the robot are studied through smaller setups. We strongly believe that the measured positive academic impact of such a project and course is due to the university-industry collaboration, and the use of information and communication technologies as educational tools.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129892034","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453615
C. Seguna, E. Gatt, I. Grech, O. Casha, G. Cataldo
This work presents the development of a newly Application Specific Integrated Circuit suitable for the simultaneous readout, real-time measurement, and processing of digital data in a multi-channel data acquisition system. High-speed multi-channel digitizers are useful for large-scale high-energy physics, astrophysics, nuclear and plasma physics experiments. The developed application specific integrated circuit allows the simultaneous continuous readout and processing of 240 12-bit analogue channels, at data transfer rates of 4.0 Gbps via five 3-lane Low-Voltage Differential Signaling transmitter drivers. Additionally, unlike the various vendor-defined high-speed digitizers that are currently available in the market, the developed ceramic quad flat 160-pin package microelectronic circuitry includes the implementation of an integrated fault tolerant and recoverable Triple-Modular Redundancy voting circuitry, use of Zero-suppression compression algorithm and implementation of Cyclic-Redundancy Check technique. The integration of such features reduces development time and enables the developed integrated circuitry to be used in a radiation physics environment where single-event upset or latch-up could lead to event data corruption or even electronic failures. The implemented system architecture lowers maintenance costs, and further improves system performance by ten-fold when compared for example to other various data acquisition readout electronic systems currently present in the A Large Ion Collider experiment in CERN. Additionally, the developed XFAB 180 nm 6-layer parallel readout integrated circuit architecture can be easily interfaced with other various vendor-specific analogue-to-digital convertor modules that are currently available on the market, thus further facilitating the upgrading process of data acquisition systems.
{"title":"Development of an New ASIC based, Multi-channel Data Acquisition and Real-Time Processing System","authors":"C. Seguna, E. Gatt, I. Grech, O. Casha, G. Cataldo","doi":"10.1109/ICIT46573.2021.9453615","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453615","url":null,"abstract":"This work presents the development of a newly Application Specific Integrated Circuit suitable for the simultaneous readout, real-time measurement, and processing of digital data in a multi-channel data acquisition system. High-speed multi-channel digitizers are useful for large-scale high-energy physics, astrophysics, nuclear and plasma physics experiments. The developed application specific integrated circuit allows the simultaneous continuous readout and processing of 240 12-bit analogue channels, at data transfer rates of 4.0 Gbps via five 3-lane Low-Voltage Differential Signaling transmitter drivers. Additionally, unlike the various vendor-defined high-speed digitizers that are currently available in the market, the developed ceramic quad flat 160-pin package microelectronic circuitry includes the implementation of an integrated fault tolerant and recoverable Triple-Modular Redundancy voting circuitry, use of Zero-suppression compression algorithm and implementation of Cyclic-Redundancy Check technique. The integration of such features reduces development time and enables the developed integrated circuitry to be used in a radiation physics environment where single-event upset or latch-up could lead to event data corruption or even electronic failures. The implemented system architecture lowers maintenance costs, and further improves system performance by ten-fold when compared for example to other various data acquisition readout electronic systems currently present in the A Large Ion Collider experiment in CERN. Additionally, the developed XFAB 180 nm 6-layer parallel readout integrated circuit architecture can be easily interfaced with other various vendor-specific analogue-to-digital convertor modules that are currently available on the market, thus further facilitating the upgrading process of data acquisition systems.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126290622","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 : 2021-03-10DOI: 10.1109/ICIT46573.2021.9453477
A. Fill, K. Birke
Batteries consist of a high number of single cells in order to fulfill the power and energy requirements of large-scale applications. Electrical and thermal imbalances among the cells of the battery arise during operation caused by cell to cell variations and battery design tolerances. This heterogeneous stress can result in a accelerated degradation of individual cells, which reduces the lifetime of the whole battery. To prevent this effect insights of the impacts on cell imbalances, regarding the State of Charge (SoC), temperature and current, are essential to improve the battery operation strategy. In this paper the influence of cell to cell variances and the thermal design of the battery on the mentioned cell imbalances are experimentally investigated for two parallel-connected cells. Experiments with three cell groups, having different cell parameter variances, are conducted. In order to investigate the thermal influence of the cell packaging and battery design, different cooling scenarios are considerd, like an insulation and a heterogeneous cooling of the cells.
{"title":"Influences of Cell to Cell Variances and the Battery Design on thermal and electrical imbalances among parallel Lithium-Ion Cells","authors":"A. Fill, K. Birke","doi":"10.1109/ICIT46573.2021.9453477","DOIUrl":"https://doi.org/10.1109/ICIT46573.2021.9453477","url":null,"abstract":"Batteries consist of a high number of single cells in order to fulfill the power and energy requirements of large-scale applications. Electrical and thermal imbalances among the cells of the battery arise during operation caused by cell to cell variations and battery design tolerances. This heterogeneous stress can result in a accelerated degradation of individual cells, which reduces the lifetime of the whole battery. To prevent this effect insights of the impacts on cell imbalances, regarding the State of Charge (SoC), temperature and current, are essential to improve the battery operation strategy. In this paper the influence of cell to cell variances and the thermal design of the battery on the mentioned cell imbalances are experimentally investigated for two parallel-connected cells. Experiments with three cell groups, having different cell parameter variances, are conducted. In order to investigate the thermal influence of the cell packaging and battery design, different cooling scenarios are considerd, like an insulation and a heterogeneous cooling of the cells.","PeriodicalId":193338,"journal":{"name":"2021 22nd IEEE International Conference on Industrial Technology (ICIT)","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127591305","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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