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

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Free road space estimation based on surface normal analysis in organized point cloud 基于有组织点云表面法向分析的自由道路空间估计
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6895000
Laksono Kurnianggoro, K. Jo
{"title":"Free road space estimation based on surface normal analysis in organized point cloud","authors":"Laksono Kurnianggoro, K. Jo","doi":"10.1109/ICIT.2014.6895000","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6895000","url":null,"abstract":"This paper describes a method to estimate free space area in front of a vehicle. The free space estimation is based on surface normal analysis. Surface normal represents the orientation of a region. Naturally, a traversable area is the surface which facing upward in 3D environment or forming a slope with limited angle. Several neighboring area which has similar surface normal orientation are merged together by connected component region labeling. Finally, the regions that considered as free space area are decided by examining its size and orientation in 3D environment. The method in this paper is evaluated using KITTI stereo vision dataset. A robust global solution for free space in road surface is obtained. In a close range examination, this method can distinguish the road surface and pedestrian area which naturally has similar characteristic as free space area.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"1 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":"130485422","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
Active switched-capacitor and switched-inductor Z-source inverters 有源开关电容和开关电感z源逆变器
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894888
Anh-Vu Ho, T. Chun, Hong‐Hee Lee, Heung-Geun Kim, E. Nho
{"title":"Active switched-capacitor and switched-inductor Z-source inverters","authors":"Anh-Vu Ho, T. Chun, Hong‐Hee Lee, Heung-Geun Kim, E. Nho","doi":"10.1109/ICIT.2014.6894888","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894888","url":null,"abstract":"This paper proposes a new topology with active switched-capacitor and switched-inductor impedance network, which can provide the high boost ability with small shoot-through time. The proposed inverter uses an active switched capacitor and switched-inductor impedance network in order to couple the main circuit and input dc source for boosting the output voltage. The proposed inverter inherits all advantages of the classical Z-source inverter (ZSI), and has the stronger voltage boost inversion ability compared with the ZSI. Thus, the output voltage quality is significantly improved. The proposed inverter is analyzed, and its performances are compared with those of the classical ZSI. Both simulation and experimental results are carried out to verify the performances of the proposed inverter.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"34 10 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":"116189681","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: 7
Design of high-efficiency dual-input interleaved DC-DC converter 高效双输入交错DC-DC变换器设计
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894874
Rou-Yong Duan, Bo Chen, R. Wai
{"title":"Design of high-efficiency dual-input interleaved DC-DC converter","authors":"Rou-Yong Duan, Bo Chen, R. Wai","doi":"10.1109/ICIT.2014.6894874","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894874","url":null,"abstract":"This study develops a high-efficiency dual-input interleaved dc-dc converter for reversible power sources, e.g., reversible solid-oxide fuel cell (RSOFC) and rechargeable battery. The proposed converter can convert low-voltage reversible power sources to a high-voltage dc bus individually or simultaneously by the phase-shift control, also can step-down the high-voltage dc bus to charge the power sources. Moreover, the reversible power sources can charge each other respectively. According to various situations, the operational states of the proposed converter can be divided into four states including a single-input step-up state, a dual-input step-up state, a dual-output step-down state, and a dual power source step-up/step-down state. In addition, the inductors in the proposed converter are designed to operate in synchronous conduction mode (SCM) for achieving turn-on zero-voltage-switching (ZVS) of all switches. Furthermore, the effectiveness of the designed circuit topology and the ZVS properties are verified by experimental results of a 5kW-level prototype, and the goal of high-efficiency conversion can be obtained.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"19 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":"127778959","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
Tuningless servo controller using variable structure control and disturbance compensation 采用变结构控制和扰动补偿的无调谐伺服控制器
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894979
W. Bahn, D. Cho, Sang-Hoon Lee, Sang-Sub Lee
{"title":"Tuningless servo controller using variable structure control and disturbance compensation","authors":"W. Bahn, D. Cho, Sang-Hoon Lee, Sang-Sub Lee","doi":"10.1109/ICIT.2014.6894979","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894979","url":null,"abstract":"This paper presents a new tuningless control algorithm for a DC servo drive to minimize parameter tuning efforts by an operator. This tuningless algorithm is based on a nonlinear control method, utilizing variable structure control and disturbance compensator. Experiments are performed using a 400 W Tamagawa servo motor and a belt drive load, which is a common combination in automation applications. The performance of the developed method is compared with the conventional servo drive controller, which is manually tuned by an experienced engineer. The experimental results show that the developed tuningless control exhibits excellent performance and is applicable to various load conditions.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"10 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":"115891478","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: 8
Novel active tuning approach for resonant-mode wireless charging system 谐振模式无线充电系统的一种新型主动调谐方法
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894890
X. Bai, Y. Tan, Z. Kong, S. Liter
{"title":"Novel active tuning approach for resonant-mode wireless charging system","authors":"X. Bai, Y. Tan, Z. Kong, S. Liter","doi":"10.1109/ICIT.2014.6894890","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894890","url":null,"abstract":"Wireless charging is a safe and clean technique of contactless charging over a wide range of power levels for portable electronic products. Although the market for wireless charging in Watts to tens of Watts is growing rapidly, the performance of such wireless charging products is still inferior when compared to those utilizing traditional charging, especially when the resonant frequencies are not well matched. Another prominent issue of wireless charging system is that the efficiency and power transfer capability for the input equivalent AC source would drop due to the variation of the passive components. Traditional tuning approaches are used only in secondary side, which would not solve the whole system problem. This paper presents a novel active tuning approach for series-series compensated wireless charging system. In this paper, a detailed solution for both sides of wireless charging system is presented: firstly a maximum reflected impedance checking method is used to check the resonant frequency of the secondary side of the system; and then a variable series compensated capacitor is used on the primary side to guide the primary circuit to track the secondary resonant frequency. In this case, the resonant frequencies of both sides would be well matched. The validity of the approach is verified through simulations of a simplified wireless charging system based on inductive power transfer.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"46 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":"132968886","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
Design of high-efficiency dual-input converter with internal charge circuit 内置充电电路的高效双输入变换器设计
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894871
R. Wai, Lian-Sheng Hong
{"title":"Design of high-efficiency dual-input converter with internal charge circuit","authors":"R. Wai, Lian-Sheng Hong","doi":"10.1109/ICIT.2014.6894871","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894871","url":null,"abstract":"This study develops a high-efficiency dual-input converter with an internal charge circuit. The proposed coupled-inductor-based converter can boost the voltages of two input power sources with different low-voltage levels to a controllable high-voltage dc bus. The high voltage dc bus can be taken as the main power for a high-voltage dc load or the front terminal of a dc-ac inverter. The charge circuit inside the proposed dual-input converter can provide the redundant energy from the major source for the auxiliary power source (e.g., battery module) to save the manufacturing cost. The techniques of voltage clamping and soft switching are employed in this converter, and the corresponding device specifications are adequately performed. Thus, the goal of high-efficiency dual-input power conversion with high voltage gain can be achieved. Some experimental results via a 1.5 kW-level prototype are given to verify the effectiveness of the proposed dual-input converter in practical applications.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"49 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132089055","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
Online identification and tuning method of static & dynamic inductance of IPMSM for fine position sensorless control 用于精细位置无传感器控制的IPMSM静、动态电感在线辨识与整定方法
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894925
Shintaro Tanpo, K. Ohishi, Shingo Makishima, Keiichi Uezono
{"title":"Online identification and tuning method of static & dynamic inductance of IPMSM for fine position sensorless control","authors":"Shintaro Tanpo, K. Ohishi, Shingo Makishima, Keiichi Uezono","doi":"10.1109/ICIT.2014.6894925","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894925","url":null,"abstract":"When position-speed sensorless control is used, the estimation error of the position may degrade because of inductance value fluctuation due to the current. Therefore, we propose a online parameter identification method to identify the static inductance and the dynamic inductance and magnet flux by using fixed trace algorithm. In the proposed method, the harmonic is superimposed on the voltage reference. As the result, the estimation error of the position is reduced by the proposed method because the identified inductance is reflected in the position-speed sensorless control. The validity of proposed method is confirmed by the numerical simulation results and the experiment results in this paper.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"18 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":"114393728","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
Implementation and evaluation of error control schemes in Industrial Wireless Sensor Networks 工业无线传感器网络中误差控制方案的实现与评估
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6895022
Yonas Hagos Yitbarek, Kan Yu, J. Åkerberg, M. Gidlund, M. Bjorkman
{"title":"Implementation and evaluation of error control schemes in Industrial Wireless Sensor Networks","authors":"Yonas Hagos Yitbarek, Kan Yu, J. Åkerberg, M. Gidlund, M. Bjorkman","doi":"10.1109/ICIT.2014.6895022","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6895022","url":null,"abstract":"Industrial Wireless Sensor Networks (IWSNs) have been increasingly adopted in process automation due to a number of advantages such as cost reduction and enhanced flexibility. Nevertheless, transmission over wireless channels in industrial environments is prone to interference, resulting in frequent erroneous packet deliveries. Existing IWSN standards based on the IEEE 802.15.4 specification only prescribe Automatic Repeat Request (ARQ) for packet retransmission, without providing any means for error recovery, which leads to unexpected transmission delay. Forward Error Correction (FEC) code as an alternative approach is able to effectively improve reliability and reduce the number of retransmissions. However, FEC computation requires extra memory and processing time. In this paper, we discuss the timing constraints of employing FEC codes for IWSNs according to the IWSN standards. Then we benchmark a number of different FEC codes in a typical wireless sensor node in terms of memory consumption and processing time. Our results show that LDPC and Turbo code, as the state of the art FEC codes, fail to fulfill the requirement from the IWSN standards while other FEC candidates, such as RS code, are proven to be suitable for the practical implementation in IWSNs.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"1 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":"115103541","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: 32
A conclusive role of ordinary transmission for an effective FTIR touch screen 普通透射对有效的FTIR触摸屏的决定性作用
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894995
J. H. Han, K. Lee, W. Han
{"title":"A conclusive role of ordinary transmission for an effective FTIR touch screen","authors":"J. H. Han, K. Lee, W. Han","doi":"10.1109/ICIT.2014.6894995","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894995","url":null,"abstract":"In order to elucidate the physical origins of some drawbacks happening in the application of FTIR (Frustrated Total Internal Reflection) phenomenon, the touch performance has been principally investigated as follows. Assuming a 3 layer thin film of medium1-medium2-medium3 with different refraction indices of n1, n2 and n3, respectively, the theoretical analyses prove that FTIR or OT(ordinary transmission) phenomenon may happen when the light goes through medium2 from medium1 to medium3, relying on the relative difference in n1 and n2. Namely, FTIR happens at n2=1 (air) and a given incident angle (≥critical angle) whereas the OT appears at n2=1.3 (water). In parallel, the experimental investigations, being phenomenological, also turn out to support the theoretical ones for the above assumption. From these results, one can understand the origins of some wrong operations due to the insensitive touch as well as the coffee drop on screen and the hot source on the other side of the touch plate. Moreover, further discussion regarding how to improve the touch performance is made on the basis of this work.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"15 2 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":"116909468","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
Design and characteristic analysis of high speed slotless permanent magnet sychoronous motor for surgical hand-piece 手术刀用高速无槽永磁同步电机的设计与特性分析
2014 IEEE International Conference on Industrial Technology (ICIT) Pub Date : 2014-09-11 DOI: 10.1109/ICIT.2014.6894942
T. Kim, S. H. Lee, W. Kim
{"title":"Design and characteristic analysis of high speed slotless permanent magnet sychoronous motor for surgical hand-piece","authors":"T. Kim, S. H. Lee, W. Kim","doi":"10.1109/ICIT.2014.6894942","DOIUrl":"https://doi.org/10.1109/ICIT.2014.6894942","url":null,"abstract":"This paper presents a design and analysis of 40,000rpm class high speed slotless brushless DC motor for surgical hand-piece. To design the motor, performance characteristic according to stator slot type is compared. Simple analytical equation is applied to consider about slotless motor characteristics as like torque constant and speed constant. Design of prototype motor is proposed by simple analytical equation and simulation which is based on magnetic circuit analysis. Design result is verified by finite element analysis about 2D and 3D and experimental result.","PeriodicalId":240337,"journal":{"name":"2014 IEEE International Conference on Industrial Technology (ICIT)","volume":"47 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":"124039657","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
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