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LL-MCLMAC:A low latency multi channel MAC protocol for Wireless Sensor Networks l - mclmac:无线传感器网络的低延迟多通道MAC协议
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373197
A. Azad, M. S. Alam, Shamim Ara Shawkat
{"title":"LL-MCLMAC:A low latency multi channel MAC protocol for Wireless Sensor Networks","authors":"A. Azad, M. S. Alam, Shamim Ara Shawkat","doi":"10.1109/TENCON.2015.7373197","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373197","url":null,"abstract":"Schedule based MAC protocols have been proposed to meet the energy constraint of Wireless Sensor Neworks (WSNs). Although existing schedule based MAC protocols such as LMAC and MC-LMAC are energy efficient, they introduce significant end-to-end delivery latency as well as low network throughput. In this paper, a low latency multichannel LMAC protocol, LL-MCLMAC protocol, is presented for WSNs which proposes the solutions of end-to-end delivery latency as well as throughput by allowing a node to send its packet using a channel from multiple channels over two different timeslots in a frame. The effectiveness of the proposed approach is demonstrated through simulations in terms of performance parameters such as number of received packets, end-to-end delay, and energy consumption. Simulation results show that LL-MCLMAC achieves significant improvement in end-to-end delay and network throughput over existing LMAC and MC-LMAC protocols while ensuring an energy-efficient operation.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"2 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77228240","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
Review of high speed electrical machines in gas turbine electrical power generation 燃气轮机发电中高速电机的研究进展
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372765
M. Xiaohe, Su Rong, T. K. Jet, W. Shuai, Zhang Xiaolong, Viswanathan Vaiyapuri, G. Chandana, G. Amit, N. Sivakumar
{"title":"Review of high speed electrical machines in gas turbine electrical power generation","authors":"M. Xiaohe, Su Rong, T. K. Jet, W. Shuai, Zhang Xiaolong, Viswanathan Vaiyapuri, G. Chandana, G. Amit, N. Sivakumar","doi":"10.1109/TENCON.2015.7372765","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372765","url":null,"abstract":"The concept of a More Electric Aircraft (MEA) demands a highly optimized airframe power system which is achieved by replacing pneumatic and hydraulic systems with energy efficient electrical systems. With increasing power offtake requirements, the More Electric Engine (MEE) could play a key role in future MEA, where more electrical power will be drawn from gas turbine shaft using the conventional gear driven electrical machine, which is known to present inefficiencies and reliability issues. Embedding an electrical machine directly at the engine shaft would help eliminate the need for the accessory gearbox along with potentially improving the reliability and efficiency of the whole system. However embedding the electrical machine presents significant design challenges to meet the key requirements. Some of these include: the necessity of the electrical machine to operate in high temperatures and high vibration environments, the mechanical constraints such as space limitations, and the need to operate at high speeds. Other requirements include the need for high power density, high torque density, high efficiency and maintenance-free operation of the electrical machines. At present, different electrical machine topologies have been developed for a number of challenging industrial and automotive applications where some of the requirements and criteria have been partially met. In this paper the detailed investigation and the trade study carried out of the various electrical machine topologies to understand their advantages, constraints and drawbacks is presented to provide a preliminary evaluation of their suitability for meeting the stringent requirements of embedded machines in aerospace applications.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"86 ","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91467699","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
Demand response for residential loads using artificial bee colony algorithm to minimize energy cost 基于人工蜂群算法的住宅负荷需求响应最小化能耗
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372868
V. Margaret, K. Uma Rao
{"title":"Demand response for residential loads using artificial bee colony algorithm to minimize energy cost","authors":"V. Margaret, K. Uma Rao","doi":"10.1109/TENCON.2015.7372868","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372868","url":null,"abstract":"Power performance expectations are increasing, impacting designs and requiring advanced technology to improve system reliability. Demand Response (DR) is a highly flexible customer driven program in which customer voluntarily changes his energy usage patterns during the peak demand to maintain the system stability and reliability and thereby improves the performance of the gird. This paper proposes a novel algorithm for optimization of the DR schedule of the residential loads for various hours of the day using Artificial Bee Colony (ABC) algorithm. Here, the objective function is subjected to the constraints like cost constraints, time constraints and load demand. The results show that the proposed approach enhances potential in solving problems with good reliability compared with existing approaches.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"138 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91477948","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: 15
Power quality conditioner and load management system for an integrated residential grid 住宅综合电网电能质量调节与负荷管理系统
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373003
R. Bharadwaj, R. Ramasubramaniam, Tarun Bajaj, K. Srinivasan, P. Meena
{"title":"Power quality conditioner and load management system for an integrated residential grid","authors":"R. Bharadwaj, R. Ramasubramaniam, Tarun Bajaj, K. Srinivasan, P. Meena","doi":"10.1109/TENCON.2015.7373003","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373003","url":null,"abstract":"This paper presents the process of design, development and testing of a power quality conditioner and a load management system to be integrated as a part of a small grid (Nano 3kW) system suitable for residential power needs. This set-up is being developed at the college laboratory so as to facilitate execution of various studies in the domain of integration of renewables in small distribution systems. The grid is powered by solar and wind energy sources which are synchronized. The power quality conditioner is designed to take care of power quality issues that arise due to the integration of renewable energy sources and operation of power electronic loads. A load management system capable of identifying, monitoring and controlling the loads connected to the system is also put in place using Near Field Communication(NFC) and IPv6 over Low Power Wireless Personal Area Network(6LoWPAN) technologies. The working of the power quality conditioner as well as the load management system are implemented and tested in hardware as individual stages before they become part of the grid and agreement is observed between the simulation and experimental results.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"12 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88931732","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
Power factor correction circuit with one cycle controlled bridgeless zeta converter for display monitors in hospitals 医院显示器用一周期可控无桥zeta变换器功率因数校正电路
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372886
Preethy V. Warrier, P. Preetha
{"title":"Power factor correction circuit with one cycle controlled bridgeless zeta converter for display monitors in hospitals","authors":"Preethy V. Warrier, P. Preetha","doi":"10.1109/TENCON.2015.7372886","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372886","url":null,"abstract":"Development in the field of electrical engineering is quick and commendable. Even though the nonlinear power electronic equipments introduce power quality issues, their use is unavoidable. Most of the medical equipments make use of power electronic devices. Serious issues include low input power factor and increased ripples in the input current. Many bridgeless topologies have been introduced to mitigate the above mentioned problems. Common topologies make use of buck, boost, Cuk and Sepic converters. In this paper bridgeless zeta converter with one cycle control for display monitors in hospitals has been proposed. With one cycle control, input perturbations are avoided in one switching cycle. The converter is designed to supply the load of 50W and 24V. MATLAB/Simulink model has been analyzed for various conditions. A laboratory prototype of the converter has also been made and tested for the designed values. Results of simulation have been verified with the hardware system. Power factor has been observed to be above 0.97.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"50 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88947728","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
Implementation of a new ZVS DC/DC converter to extend ZVS range 实现了一种新的ZVS DC/DC转换器，以扩展ZVS范围
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372715
B. Lin, Kuan-Hao Chen
{"title":"Implementation of a new ZVS DC/DC converter to extend ZVS range","authors":"B. Lin, Kuan-Hao Chen","doi":"10.1109/TENCON.2015.7372715","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372715","url":null,"abstract":"A novel zero-voltage switching (ZVS) converter is studied in this paper. The proposed converter consists a three-level converter and a LLC converter with same active switches to have wide ZVS load range and to reduce conduction losses at freewheeling interval. Series resonant converter with fixed switching frequency is adopted to improve ZVS load range of lagging-leg switches. The primary current at freewheeling state is reduced to zero by parallel connection of outputs of three-level and LLC converters. The system diagram, operation principle and circuit characteristics are presented and discussed in detail. The performance and effectiveness of the circuit are verified by experiments based on a 1.44kW circuit.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"28 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87290394","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: 0
A matrix model for redefining and testing NoC interconnect shorts NoC互连短路重新定义和测试的矩阵模型
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373016
B. Bhowmik, J. Deka, S. Biswas
{"title":"A matrix model for redefining and testing NoC interconnect shorts","authors":"B. Bhowmik, J. Deka, S. Biswas","doi":"10.1109/TENCON.2015.7373016","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373016","url":null,"abstract":"Network-on-chip (NoC) has currently considered as a holistic solution over traditional and global bus-based system-on-chip (SoC) interconnections. However, NoC interconnects experience a subset of manufacturing faults- shorts, opens, and stuck-ats. A limitation of prior works on testing shorts on interconnects of a NoC is that interconnects are tested without coexistent open faults. The works then fail to detect all shorts if a relaxation is made on this assumption. A fast matrix based test strategy that tests and diagnoses shorts with and without coexistent opens on NoC interconnects is proposed. Proposed strategy is scalable irrespective of NoCs and evaluated in terms of test time, test criteria, and performance metrics. Both 100% and near 100% fault coverages are achieved on explicit and implicit testing of shorts respectively. However, 100% test coverage is achieved in either of the cases.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"24 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87549101","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
Adaptive beamforming based on nonuniform linear arrays with enhanced degrees of freedom 基于增强自由度非均匀线性阵列的自适应波束形成
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7373099
Lei Yu, Yinsheng Wei, Wei Liu
{"title":"Adaptive beamforming based on nonuniform linear arrays with enhanced degrees of freedom","authors":"Lei Yu, Yinsheng Wei, Wei Liu","doi":"10.1109/TENCON.2015.7373099","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7373099","url":null,"abstract":"In traditional adaptive beamforming, the number of degrees of freedom is limited by the number of sensors in the array. In this paper, a new adaptive beamforming scheme is developed based on the nonuniform linear array structure, whose degrees of freedom can be much greater than the number of physical sensors in the array. In the proposed method, the original covariance matrix of the received array data is first processed to obtain a new matrix which has a larger size. Then this augmented covariance matrix is used to calculate the optimum weight vector of the beamformer. Based on the two level nested array, the proposed beamformer can provide O(N2) degrees of freedom by using only O(N) sensors. It can be used to reduce the implementation complexity of a large sensor array, where only a small number of sensors are selected to calculate the equivalent optimal weight coefficients for the original full array. Simulation results are provided to verify the performance improvement of the proposed beamformer.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"15 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90256404","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: 13
Analysis and design of CMOS full-wave rectifying charge pump for RF energy harvesting applications 用于射频能量采集的CMOS全波整流电荷泵的分析与设计
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372865
Weiyin Wang, Xiangjie Chen, H. Wong
{"title":"Analysis and design of CMOS full-wave rectifying charge pump for RF energy harvesting applications","authors":"Weiyin Wang, Xiangjie Chen, H. Wong","doi":"10.1109/TENCON.2015.7372865","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372865","url":null,"abstract":"A high-efficiency integrated full-wave CMOS rectifying charge pump using diode-connected PMOS transistors for radio-frequency (RF) energy harvesting was designed. Leakage current and body effect were taken into account in deriving the output voltage, power consumption and power conversion efficiency (PCE) of the rectifying charge pump. Negative rectifying charge pump was introduced to handle full-wave RF signal and to improve PCE and a body-connected structure was adopted to lower threshold voltage. By using the commercially available 40 nm CMOS process, low-voltage operation as low as 390 mV was achieved. Simulation results indicate that the circuit can achieve a PCE of over 44% and output voltage 1 V for input voltage larger than 390 mV of a single narrow band 900 MHz RF signal.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"1995 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90413535","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
Assessment of exercise induced fatigue through motion analysis 通过运动分析评估运动性疲劳
TENCON 2015 - 2015 IEEE Region 10 Conference Pub Date : 2015-11-01 DOI: 10.1109/TENCON.2015.7372750
Sina Ameli, F. Naghdy, D. Stirling, G. Naghdy, M. Aghmesheh
{"title":"Assessment of exercise induced fatigue through motion analysis","authors":"Sina Ameli, F. Naghdy, D. Stirling, G. Naghdy, M. Aghmesheh","doi":"10.1109/TENCON.2015.7372750","DOIUrl":"https://doi.org/10.1109/TENCON.2015.7372750","url":null,"abstract":"Physical exercise-induced fatigue causes a significant decline in functional performance and subsequently increases the risk of sport injuries. The fatigability tolerance is generally increased by, improving muscular strength and endurance using physical exercise training programs. However, a simple quantitative assessment of fatigue remains as an important step in such programs. The nature of fatigue and its impact on gait and posture is studied using inertial sensors. In this approach, the flexion/extension of knees of a subject during stair climbing test (SCTs) before and after performing a specific set of fatigue-inducing exercises is measured. The knee motion data obtained during SCT before after the exercise are compared using dynamic time warping (DTW). The amount of difference is an indication of the degree of fatigue. The method is applied to twenty subjects including both male and female. The result is encouraging and confirms the feasibility and validity of the approach.","PeriodicalId":22200,"journal":{"name":"TENCON 2015 - 2015 IEEE Region 10 Conference","volume":"79 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2015-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90615256","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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