Application of PbS Quantum Dots in Luminescent Solar Concentrator

Jun, 张军 Zhang; Junjie, 耿俊杰 Geng; Yi, 张义 Zhang; Ding, Jianjun; Song, 孙松 Sun; Zhenlin, 罗震林 Luo; Jun, 鲍骏 Bao; Chen, 高琛 Gao

doi:10.3788/aos201232.0123003

Cited by 7 publications

(9 citation statements)

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“…Eigen face Approach The ageing face approach is an efficient encoding approach [14] that is followed by comparing one face encoding with models encoded similarly that are stored in a database. In mathematical terms, by following the steps below, we can define the aging face approach from the original image data.…”

Section: Face Recognitionmentioning

confidence: 99%

Efficient personal identification using multimodal biometrics

Ahilandeswari¹,

Prabu²,

Priyadharshini³

et al. 2015

2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015]

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For recent years, the use of personal identity systems using multimodal biometrics has been increasing tremendously in number of fields. Although the Unimodal biometric systems serve well in various areas, it is notable that they have disadvantages regarding security and accuracy. Multimodal biometric systems focus on combining more than one possible biometric technology in order to secure the applications to a great extent. This in turn resulted in the improvement of performance and robustness against fraudulent attacks. Personal identification plays a major role in any information sharing process. For this, the identification systems must be designed in such a manner that it should minimize the system error rates, susceptibility mimics and false match rate. Considering these factors, we aim at providing a new personal identification system using multimodal biometrics. The proposed system uses three of the biometric technologies in the process of identification: (i) Face recognition; (ii) Fingerprint recognition; and (iii) Speech Recognition. Here we discuss about the methods of feature extraction, fusion and decision used in our system and their advantages over other biometric systems.

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Section: Face Recognitionmentioning

confidence: 99%

Efficient personal identification using multimodal biometrics

Ahilandeswari¹,

Prabu²,

Priyadharshini³

et al. 2015

2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015]

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“…The two main passive methods are to detect the over/under voltage and over/under frequency conditions. Hence, in those passive methods, there exist non-detection zones according to the loads and converter output conditions and islanding detection may fail [3].…”

Section: Introductionmentioning

confidence: 99%

A bilateral reactive power injection method for islanding detection of grid-connected converters in distributed generation units

Cho

Lee

Chee

et al. 2015

2015 IEEE 6th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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In this paper, a bilateral reactive power injection method is proposed for islanding detection of gridconnected converters in distributed generation units. The proposed method injects capacitive and inductive reactive power periodically with half of the grid frequency to perturb the frequency of point of common coupling (PCC). The magnitude of the injected reactive power is derived in order to remove the non-detection zone and the frequency of the injected reactive power is determined by considering parallel operation of the converters with no communication. In addition, the distortion of the currents by the proposed detection method is analyzed. The effectiveness of the proposed method is experimentally verified through the operation of two converters used for a 10kW battery energy storage system. Index Terms-LCL filter, active damping, gridconnected converter, capacitor current feedback.

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“…Comparable problems are addressed for low voltage applications such as the utilization of induction generators for vehicle applications where different conceivable topologies varying by the rated power of the converter are proposed [9] or a special direct flux control method [10]. Where for the latter one self excitation again was no issue since the setup is used for battery charge issues.…”

Section: Introductionmentioning

confidence: 99%

A simple DC bus voltage control method for self excited squirrel cage induction generators

Bierhoff

Rhinow

2015

2015 IEEE International Conference on Industrial Technology (ICIT)

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With increasing rare earth prices and the claim for cost effectiveness of electrical drive trains especially induction generator solutions might turn into focus as preferable alternative to permanent magnet synchronous generators, even in spite of the lower power density. But an induction generator requires reactive power either provided by capacitors or by a self commutated power converter to ensure excitation. This article gives profound information on the fundamentals of the steady state operation of an induction machine operated by a voltage source power converter, VSC. Based on these fundamentals a very simple control law for the DC bus voltage of a power converter operated as active rectifier is proposed and validated by experiment. No vector calculus is needed and as it only requires the speed information (no current measurement is needed) this method can be considered as a contribution to robust drive control / condition monitoring with a common field oriented current control method possibly running in parallel. Keywords--Induction generator; pulse width modulatio, DC bus voltage control; voltage source converter978-1-4799-7800-7/15/$31.00 ©2015 IEEE

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Application of PbS Quantum Dots in Luminescent Solar Concentrator

Cited by 7 publications

References 0 publications

Efficient personal identification using multimodal biometrics

Efficient personal identification using multimodal biometrics

A bilateral reactive power injection method for islanding detection of grid-connected converters in distributed generation units

A simple DC bus voltage control method for self excited squirrel cage induction generators

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