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2014 IEEE International Conference on Industrial Technology (ICIT)最新文献

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Ultra-small transformer using insulated hybrid structure for AC adapters of smart devices 智能设备交流适配器用绝缘混合结构超小型变压器
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894878
HeungGyoon Harry Choi, Kyu-Sun Chung, Ge Li, Tae-Won Heo
{"title":"Ultra-small transformer using insulated hybrid structure for AC adapters of smart devices","authors":"HeungGyoon Harry Choi, Kyu-Sun Chung, Ge Li, Tae-Won Heo","doi":"10.1109/ICIT.2014.6894878","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894878","url":null,"abstract":"Increasing strong demand for smaller insulated transformers, an ultra-small transformer has been developed by adopting an insulated hybrid structure with the size of W16.5 × L19.5 × H10.5 mm^3, whose volume is 65 % smaller than conventional insulated transformers. Our new transformer has been improved in terms of noise reduction by 5-15 dB, power efficiency increase by 2 %, and production efficiency by 50 %. Relevant analyses are to be given.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114215600","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Experimental performance evaluation of SiC BJT and Si MOSFET for 1.2 kW 300 kHz boost converter as a solar PV pre-regulator SiC BJT和Si MOSFET用于1.2 kW 300 kHz升压变换器作为太阳能光伏预调节器的实验性能评估
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894881
Taekyun Kim, M. Jang, V. Agelidis
{"title":"Experimental performance evaluation of SiC BJT and Si MOSFET for 1.2 kW 300 kHz boost converter as a solar PV pre-regulator","authors":"Taekyun Kim, M. Jang, V. Agelidis","doi":"10.1109/ICIT.2014.6894881","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894881","url":null,"abstract":"In this paper, a 1.2 kW DC-DC boost converter as a solar photovoltaic pre-regulator is designed to form the basis towards a comparative performance evaluation between similar ratings of 1200 V SiC BJT and Si MOSFET. The heatsink temperature and the measured switching waveforms are then compared by increasing the switching frequency up to 300 kHz and the case temperature up to 150 °C via a high temperature testing setup. Much faster turn-on switching time for SiC BJT, compared with Si MOSFET leads to reduced turn-on switching losses, and consequently the heatsink temperature at 300 kHz reaches only at 53 °C without external cooling such as a fan. For switching performance with case temperature variation, SiC BJT switching waveforms are temperature independent up to 150 °C case temperature. On the other hand, for Si MOSFET turn-on switching time gets faster as the case temperature increases.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126259243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A study for parallel operation of a synchronous generator 同步发电机并联运行的研究
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894956
In-soo Kim, Heung-Ho Lee, Jeong-Ho Chang
{"title":"A study for parallel operation of a synchronous generator","authors":"In-soo Kim, Heung-Ho Lee, Jeong-Ho Chang","doi":"10.1109/ICIT.2014.6894956","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894956","url":null,"abstract":"This study's purpose is the development of diesel generator and controller for stable power operation with design in integrated shift type hybrid generator system excitation diesel and wind power generator in single AC system.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121055924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Motion reproduction using time-scaling for adaptation to difference in environmental location 利用时间尺度适应环境位置差异的运动繁殖
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894970
T. Nozaki, T. Mizoguchi, K. Ohnishi
{"title":"Motion reproduction using time-scaling for adaptation to difference in environmental location","authors":"T. Nozaki, T. Mizoguchi, K. Ohnishi","doi":"10.1109/ICIT.2014.6894970","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894970","url":null,"abstract":"This paper addresses methods to recreate humanlike motions involving direct contact with objects in robots. Motion reproduction systems using motion information extracted by bilateral teleoperation have been developed. However, conventional systems lack adaptability to difference in environmental location. The objective of this research is realization of a system, which can accommodate to the difference in environmental location. The proposed method uses position offset and time-scaling techniques. The offset value and the time-scaling ratio vary according to the difference between the extracted and current force information in real-time. The validity of the proposed method is verified by comparative experiments. The proposed method accomplishes to accurate reproduction of the stored motion. This proposed method shows the usefulness especially in duration of the contact state and amplitude of the force.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129156616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Winding function approach to simulate induction motors under sleeve bearing fault 套筒轴承故障下异步电动机绕组函数模拟方法
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894931
M. Ojaghi, N. Yazdandoost
{"title":"Winding function approach to simulate induction motors under sleeve bearing fault","authors":"M. Ojaghi, N. Yazdandoost","doi":"10.1109/ICIT.2014.6894931","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894931","url":null,"abstract":"This paper proposes dynamic modeling and simulation of squirrel cage induction motors under oil whirl fault within their sleeve bearings. Previous experimental results are used for defining an appropriate air gap function under the fault. This function is used in the winding function approach for the modeling and simulation purpose. Analytic approach and simulation results show presence of the same frequency components on the stator line current of the faulty motor. Some of these frequency components can be appropriate indices for diagnosing the fault.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123867560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Electromagnetic analysis for multiple hybrid HTS electromagnets interfaced with LSM propulsion system in EMS maglev model EMS磁悬浮模型中与LSM推进系统接口的多个混合HTS电磁铁的电磁分析
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894923
Y. Chung, C. Lee, Mihye Jang
{"title":"Electromagnetic analysis for multiple hybrid HTS electromagnets interfaced with LSM propulsion system in EMS maglev model","authors":"Y. Chung, C. Lee, Mihye Jang","doi":"10.1109/ICIT.2014.6894923","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894923","url":null,"abstract":"This study introduces over 400 km/h maglev vehicle system based on electromagnetic suspension (EMS) model. Such a maglev system is composed of high temperature superconducting (HTS) magnet, normal conducting magnet and propulsion system. The hybrid electromagnet (EM) consumes little power to keep large suspension gap. The propulsion system realizes to propel the vehicle along the guide-way and assist in braking action. Especially, as the essential point of EMS-based maglev model is to keep the stable suspension force in the high speed operation, the levitation and propulsion forces should be analyzed in order to equilibrate the suspension gap. In this paper, theoretical properties of the levitation force based on electromagnetic analysis are described, as we have been constructed a proto-type electromagnetic suspension (EMS) based maglev vehicle system. Based on the simulation results, we obtained the design parameters for variation suspension gap under high speed propulsion condition.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128936851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
PID plus LQR attitude control for hexarotor MAV in indoor environments 室内环境下六旋翼MAV的PID + LQR姿态控制
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894977
Nurul Dayana Salim, Dafizal Derawi, S. Abdullah, S. Mazlan, H. Zamzuri
{"title":"PID plus LQR attitude control for hexarotor MAV in indoor environments","authors":"Nurul Dayana Salim, Dafizal Derawi, S. Abdullah, S. Mazlan, H. Zamzuri","doi":"10.1109/ICIT.2014.6894977","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894977","url":null,"abstract":"The aim of this paper is to propose an optimum linear control algorithm that is able to stabilize the attitude of a hexarotor micro aerial vehicle (MAV) in indoor environment. The work will then compare it with the classical control PID (proportional-integral-derivative) and optimal control LQR (linear quadratic regulator) techniques. The proposed attitude controller is based on an outer-inner loop structure PID plus LQR (PID+LQR) control method where the controller combines the positive features of each sub-controller (PID and LQR). The key contribution of this work is the proposed attitude controller can improve robustness and transient response thus leads to faster response in indoor flying environment. The attitude tracking errors are proven to be ultimately bounded with specified boundaries. Simulation results on the hexarotor demonstrate the effectives of the proposed attitude controller.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128835490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
A new topology for a photovoltaic based range extender 光伏增程器的新拓扑结构
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894981
M. Neuburger, G. Schmidt, N. Neuberger
{"title":"A new topology for a photovoltaic based range extender","authors":"M. Neuburger, G. Schmidt, N. Neuberger","doi":"10.1109/ICIT.2014.6894981","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894981","url":null,"abstract":"A new power train topology for vehicles with electrical machines is introduced, including a photovoltaic energy source, to realize a range extender based vehicle. A new direct energy conversion scheme is applied, being combinable with conventional setups like hybrids, electrical vehicles or already established range extenders and independent of the type of electrical machine. Using this power train configuration, a standard inverter is used in parallel for energy conversion in terms of propulsion demands and charging aspects. For the first time photovoltaic energy and electrical stored energy is converted at the same time with one standard power train inverter offering high efficiency and increased reliability.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117091283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Fault diagnostics of induction motors based on internal flux measurement 基于内磁通测量的感应电机故障诊断
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894939
Khalid I. Saad, G. Mirzaeva
{"title":"Fault diagnostics of induction motors based on internal flux measurement","authors":"Khalid I. Saad, G. Mirzaeva","doi":"10.1109/ICIT.2014.6894939","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894939","url":null,"abstract":"A new fault diagnosis scheme based on the monitoring of main air gap flux of squirrel cage induction motors is proposed. Most of the existing flux monitoring techniques are based on the leakage or stray flux measurement outside of the motor. A few methods, however, use the main air gap flux as the fault signature, where search coils are used to monitor the derivative of the flux, which eventually introduces noise in the signal. Moreover, the diagnosis methods are mainly based on detecting a fault, whereas very little initiative has been taken to locate a fault precisely. To address these problems, a sophisticated yet robust condition monitoring and fault diagnosis method is needed. To this aim, we propose to monitor the main air gap flux using Hall Effect Flux Sensors (HEFS) at all the stator slots of an induction motor, which can be used to address the stator and rotor slot effects not only through frequency analysis of the magnetic flux, but also by magnitude and phase shift comparison of sensors located at different geometric positions around the stator. We have successfully detected the stator turn-to-turn fault at a very incipient stage and detected the location of the fault precisely. Promising results have been obtained through simulation in the case of broken rotor bar faults as well.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115577435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
The battery balancing circuit using multi-exciter method 电池平衡电路采用多励磁器法
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894862
Seong-Mi Park, Jae-Ha Ko, Sung‐Jun Park
{"title":"The battery balancing circuit using multi-exciter method","authors":"Seong-Mi Park, Jae-Ha Ko, Sung‐Jun Park","doi":"10.1109/ICIT.2014.6894862","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894862","url":null,"abstract":"This study proposes a multi-exciter method DC/DC converter topology in order to remove voltage unbalance from batteries. The proposed topology is characterized by a design in which all DC/DC convertor outputs the connected to modules converge into a single transformer. This paper attempts to analyze the dynamic properties of the proposed circuit using a Programmable Synthesizer Interface Module(PSIM), which is useful for power electronics analysis, while also attempting to demonstrate the validity of the proposed circuit through an experiment.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114812236","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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