An integrated high-performance ratio-metric wavelength measurement device on glass

2015 ◽  
Vol 17 (10) ◽  
pp. 105802 ◽  
Author(s):  
Gencheng Wang ◽  
Bing Yang ◽  
Ao Shen ◽  
Chongyang Pei ◽  
Longzhi Yang ◽  
...  
Keyword(s):  
High Performance ◽  
Performance Ratio ◽  
Measurement Device ◽  
Wavelength Measurement

Constructing a Bioinformatics Platform with Web and Mobile Services Based on NVIDIA Jetson TK1

2015 ◽  
Vol 7 (4) ◽  
pp. 57-73 ◽  
Author(s):  
Chun-Yuan Lin ◽  
Jin Ye ◽  
Che-Lun Hung ◽  
Chung-Hung Wang ◽  
Min Su ◽  
...  
Keyword(s):  
Power Consumption ◽  
High Performance Computing ◽  
Graphics Processing Units ◽  
High Performance ◽  
Low Cost ◽  
Research Direction ◽  
Mobile Services ◽  
Performance Ratio ◽  
The Cost ◽  
Performance Computing

Current high-end graphics processing units (abbreviate to GPUs), such as NVIDIA Tesla, Fermi, Kepler series cards which contain up to thousand cores per-chip, are widely used in the high performance computing fields. These GPU cards (called desktop GPUs) should be installed in personal computers/servers with desktop CPUs; moreover, the cost and power consumption of constructing a high performance computing platform with these desktop CPUs and GPUs are high. NVIDIA releases Tegra K1, called Jetson TK1, which contains 4 ARM Cortex-A15 CPUs and 192 CUDA cores (Kepler GPU) and is an embedded board with low cost, low power consumption and high applicability advantages for embedded applications. NVIDIA Jetson TK1 becomes a new research direction. Hence, in this paper, a bioinformatics platform was constructed based on NVIDIA Jetson TK1. ClustalWtk and MCCtk tools for sequence alignment and compound comparison were designed on this platform, respectively. Moreover, the web and mobile services for these two tools with user friendly interfaces also were provided. The experimental results showed that the cost-performance ratio by NVIDIA Jetson TK1 is higher than that by Intel XEON E5-2650 CPU and NVIDIA Tesla K20m GPU card.

Laboratory-Scale Single Axis Solar Tracking System: Design and Implementation

2016 ◽  
Vol 7 (1) ◽  
pp. 254 ◽  
Author(s):  
Allan Soon Chan Roong ◽  
Shin-Horng Chong
Keyword(s):  
System Design ◽  
High Performance ◽  
Tracking System ◽  
High Accuracy ◽  
Laboratory Scale ◽  
Performance Ratio ◽  
Design And Development ◽  
Design And Implementation ◽  
Solar Tracking ◽  
Angle Of Rotation

This paper presents the design and development of a laboratory-scale single axis solar tracking system. The chronological method was implemented into the system because it has high accuracy and can save more energy as compared to other types of solar tracking system. The laboratory-scale single axis solar tracking system can be used to identify the suitable and safe workspace for the installation of the actual solar tracking system plant. Besides, the validity of the laboratory-scale single axis solar tracking system was examined experimentally. The angle of rotation, per hour is preferable to be implemented into the designed laboratory-scale single axis sun tracking system due to the high performance ratio which is 0.83 and can save the energy up  to 25% during sunny days.

An Easy Preparation of Hybrid SiO2@Poly Acrylic Acid Nanoparticles

2013 ◽  
Vol 475-476 ◽  
pp. 1340-1343
Author(s):  
Hai Wang Wang ◽  
Xiu Juan Ding ◽  
Jie Sun ◽  
Jin Peng Luan
Keyword(s):  
Acrylic Acid ◽  
High Performance ◽  
In Situ Polymerization ◽  
Polymer Materials ◽  
Performance Ratio ◽  
Nanometer Materials ◽  
Transmission Electron ◽  
Comprehensive Performance ◽  
Nanometer Particles

Nanometer materials are widely used in the modification of polymer materials such as polypropylene because of its unique performance. nanocomposite material,which expended the application field of polymer ,is a kind of new composite materials with high performance ratio and widely application prospect .This paper adopted the surface-initiated technology to coat and modify the surface of nanosilica,which solved the problem of the agglomeration and interface compatibility of the nanometer particles and improved its dispersion in the acrylic acid,then prepared SiO2/PAA nanocomposite .The composite was characterized by infrared spectrum and transmission electron microscopy (TEM) ,etc.The research results showed that the nanocomposite prepared by in-situ polymerization technology had higher toughness ,strength and more excellent comprehensive performance.

scholarly journals Evaluation of Clustering Algorithms on GPU-Based Edge Computing Platforms

Sensors ◽  
2020 ◽  
Vol 20 (21) ◽  
pp. 6335
Author(s):  
José M. Cecilia ◽  
Juan-Carlos Cano ◽  
Juan Morales-García ◽  
Antonio Llanes ◽  
Baldomero Imbernón
Keyword(s):  
Graphics Processing Units ◽  
High Performance ◽  
Energy Savings ◽  
Clustering Algorithms ◽  
Energy Performance ◽  
Large Datasets ◽  
Edge Computing ◽  
Performance Ratio ◽  
Depth Analysis ◽  
Speed Up

Internet of Things (IoT) is becoming a new socioeconomic revolution in which data and immediacy are the main ingredients. IoT generates large datasets on a daily basis but it is currently considered as “dark data”, i.e., data generated but never analyzed. The efficient analysis of this data is mandatory to create intelligent applications for the next generation of IoT applications that benefits society. Artificial Intelligence (AI) techniques are very well suited to identifying hidden patterns and correlations in this data deluge. In particular, clustering algorithms are of the utmost importance for performing exploratory data analysis to identify a set (a.k.a., cluster) of similar objects. Clustering algorithms are computationally heavy workloads and require to be executed on high-performance computing clusters, especially to deal with large datasets. This execution on HPC infrastructures is an energy hungry procedure with additional issues, such as high-latency communications or privacy. Edge computing is a paradigm to enable light-weight computations at the edge of the network that has been proposed recently to solve these issues. In this paper, we provide an in-depth analysis of emergent edge computing architectures that include low-power Graphics Processing Units (GPUs) to speed-up these workloads. Our analysis includes performance and power consumption figures of the latest Nvidia’s AGX Xavier to compare the energy-performance ratio of these low-cost platforms with a high-performance cloud-based counterpart version. Three different clustering algorithms (i.e., k-means, Fuzzy Minimals (FM), and Fuzzy C-Means (FCM)) are designed to be optimally executed on edge and cloud platforms, showing a speed-up factor of up to 11× for the GPU code compared to sequential counterpart versions in the edge platforms and energy savings of up to 150% between the edge computing and HPC platforms.

scholarly journals Gigahertz measurement-device-independent quantum key distribution using directly modulated lasers

2021 ◽  
Vol 7 (1) ◽  
Author(s):  
R. I. Woodward ◽  
Y. S. Lo ◽  
M. Pittaluga ◽  
M. Minder ◽  
T. K. Paraïso ◽  
...  
Keyword(s):  
System Design ◽  
Communication Networks ◽  
Quantum Key Distribution ◽  
High Performance ◽  
Finite Size ◽  
Key Distribution ◽  
Measurement Device ◽  
Direct Laser ◽  
Channel Loss ◽  
Measurement Device Independent

AbstractMeasurement-device-independent quantum key distribution (MDI-QKD) is a technique for quantum-secured communication that eliminates all detector side-channels, although is currently limited by implementation complexity and low secure key rates. Here, we introduce a simple and compact MDI-QKD system design at gigahertz clock rates with enhanced resilience to laser fluctuations—thus enabling free-running semiconductor laser sources to be employed without spectral or phase feedback. This is achieved using direct laser modulation, carefully exploiting gain-switching and injection-locking laser dynamics to encode phase-modulated time-bin bits. Our design enables secure key rates that improve upon the state of the art by an order of magnitude, up to 8 bps at 54 dB channel loss and 2 kbps in the finite-size regime for 30 dB channel loss. This greatly simplified MDI-QKD system design and proof-of-principle demonstration shows that MDI-QKD is a practical, high-performance solution for future quantum communication networks.

scholarly journals Thermal and electrical energy yield analysis of a directly water cooled photovoltaic module

2016 ◽  
Vol 20 (1) ◽  
pp. 155-163
Author(s):  
Busiso Mtunzi ◽  
Edson Meyer ◽  
Simon Michael
Keyword(s):  
High Performance ◽  
Electrical Power ◽  
Electrical Energy ◽  
Performance Ratio ◽  
Photovoltaic Module ◽  
Energy Yield ◽  
Photovoltaic Modules ◽  
Utility Company ◽  
Electrical Power Output ◽  
Font Color

Electrical energy of photovoltaic modules drops by 0.5% for each degree increase in temperature. Direct water cooling of photovoltaic modules was found to give improved electrical and thermal yield. A prototype was put in place to analyse the field data for a period of a year. The results showed an initial high performance ratio and electrical power output. The monthly energy saving efficiency of the directly water cooled module was found to be approximately 61%. The solar utilisation of the naturally cooled photovoltaic module was found to be 8.79% and for the directly water cooled module its solar utilisation was 47.93%. Implementation of such systems on households may reduce the load from the utility company, bring about huge savings on electricity bills and help in reducing carbon emissions. <br><br><font color="red"><b> This article has been retracted. Link to the retraction <u><a href="http://dx.doi.org/10.2298/TSCI160407082E">10.2298/TSCI160407082E</a><u></b></font>

Development of a New 300kv Ultra-High-Resolution/High Performance Analytical TEM (H-9000)

1985 ◽  
Vol 43 ◽  
pp. 142-143
Author(s):  
H. Fujita ◽  
K. Ura ◽  
H. Sata ◽  
K. Miyauchi ◽  
T. Onai ◽  
...  
Keyword(s):  
High Resolution ◽  
Full Advantage ◽  
Diffraction Pattern ◽  
High Voltage ◽  
High Performance ◽  
Performance Ratio ◽  
General View ◽  
Lens System ◽  
Cost Performance ◽  
The Cost

Higher voltage is advantageous for better imaging resolution, better EELS performance and easier microscopy. Generally it results in a large scaled instrument with many associated problems. In the analytical area, there is a possibility of optimum voltage when a total performance balance is taken in consideration. We have developed a 300 KV TEM for both ultra high resolution and high performance analytical applications in view of these parameters. We have suceeded in making the instrument as compact as possible in order that it may improve the cost/performance ratio. We have taken full advantage of our ultra high voltage microscope experiences.Fig. 1 is a general view of the instrument. It is only 2.68m high and the same as conventional 200KV instruments. It consists of a 3-stage illumination and a 5-stage imaging lens system. This design allows the orientation matching for the diffraction pattern and TEM image throughout the entire magnification range.

MONOCHROMATOR WAVELENGTH MEASUREMENT DEVICE WITH SIX FIGURE ACCURACY

1985 ◽  
Author(s):  
Norman P. Barnes ◽  
Donald J. Gettemy ◽  
Ronald J. Hinsley ◽  
James B. Deal ◽  
JoAnn Howell ◽  
...  
Keyword(s):  
Measurement Device ◽  
Wavelength Measurement

Fast Control of Linear Systems Subject to Input Constraints

1998 ◽  
Vol 122 (1) ◽  
pp. 18-26 ◽  
Author(s):  
P. Tomas Larsson ◽  
A. Galip Ulsoy
Keyword(s):  
High Performance ◽  
Actuator Saturation ◽  
Design Method ◽  
Nonlinear Behavior ◽  
Lyapunov Stability Theory ◽  
Performance Ratio ◽  
Efficient Design ◽  
Control Effort ◽  
Automatic Control Systems ◽  
Control Of Linear Systems

Efficient design of high performance automatic control systems is extremely important for high technology systems. To get the best hardware cost-to-performance ratio, it is desirable to design a controller that takes full advantage of actuator capabilities, but this can lead to nonlinear behavior due to actuator saturation. The saturation nonlinearities in the system may have severe effects on system performance due to, for example, integrator windup. In this paper, a new design method is presented based on Lyapunov stability theory. By incorporating the actuator constraints directly in the design method, better utilization of the available control effort can be ensured in achieving desired system behavior. [S0022-0434(00)01801-3]

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