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10441
An Influence Analytical Model of Dedicated Bus Lane on Network Traffic by Macroscopic Fundamental Diagram
Published 2021-01-01“…To study the influence mechanism of dedicated bus lanes on the urban road network, this paper proposes a novel analytical model of macroscopic fundamental diagram (MFD) and passenger macroscopic fundamental diagram (p-MFD) and the corresponding indicators based on MFD and p-MFD to evaluate the operation of the network. Taking the grid network as an example, this paper collects traffic flow to calibrate the developed MFD and p-MFD and evaluates the network performance under different proportions of dedicated bus lanes. …”
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10442
Age Discrimination of Chinese Baijiu Based on Midinfrared Spectroscopy and Chemometrics
Published 2021-01-01“…Consequently, an identification model based on support vector machine (SVM) and PCA is established combined with the grid search strategy and cross-validation methods to discriminate the age of Chinese Baijiu validly, where 100% classification accuracy rate is obtained in both training and test sets.…”
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10443
A New Technique to Identify Arbitrarily Shaped Noise Sources
Published 2006-01-01“…The technique is based in the Kirchoff-Helmholtz equation in a discretized approach, leading to a radiation operator that relates the normal velocity on the source's surface mesh with the pressure at grid points located in the field. Then, the singular value decomposition technique is set to the radiation operator and a cutoff criterion is applied to remove non propagating components. …”
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10444
Numerical Simulation of Underwater Shock Wave Propagation in the Vicinity of Rigid Wall Based on Ghost Fluid Method
Published 2015-01-01“…The numerical results on shock wave propagation in the vicinity of rigid wall are verified by comparing to exact solution and the results by body-fitted-grid method.…”
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10445
THE ALGORITHM OF DETERMINATION OF EYE FUNDUS VESSELS BLOOD FLOW CHARACTERISTICS ON VIDEOSEQUENCE
Published 2018-03-01Get full text
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10446
Improved Genetic Algorithm for Distribution System Performance Analysis by Taking Advantage of Essential Spanning Trees
Published 2018-01-01“…Growing interest in the smart grid, increasing use of distributed generation, and classical distribution system reconfiguration (DSR) and restoration problems have led to the search for efficient distribution automation tools. …”
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10447
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10448
Internet search and lexical-semantic processing of analogs when making decisions in various subject areas
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10449
Effects of Hydrostatic Pocket Shape on the Flow Pattern and Pressure Distribution
Published 1995-01-01“…The flow in a hydrostatic pocket is numerically simulated using a dimensionless formulation of the 2-D Navier-Stokes equations written in primitive variables, for a body fitted coordinates system, and applied through a collocated grid. In essence, we continue the work of Braun et al. 1993a, 1993b] and extend it to the study of the effects of the pocket geometric format on the flow pattern and pressure distribution. …”
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10450
Hydro-wind-solar Complementary Operation Rules Considering System Reliability and Extreme Failure
Published 2023-01-01“…The uncertainty of renewable energy output and the vulnerability under extreme weather conditions have become more and more prominent in the safety of power grid operation.The study proposes a long-term complementary operation rule generation method for hydro-wind-solar power that considers both the guaranteed rate of power generation and the extreme failure.Considering the joint output guarantee rate and the extreme failure of the hydro-wind-solar system,the method takes the maximum power generation as the goal.It uses the mixed-integer nonlinear program to carry out long-term sequence simulation joint operation of hydropower,wind power,and solar power.On this basis,the grey relation analysis is applied to screen the input factors.With the output of each hydropower station as that of the network,the BP neural network is adopted to generate the hydro-wind-solar complementary operation rules.Finally,the validity of the proposed model is verified through case analysis.The superiority of the proposed model is further demonstrated through the simulation analysis of scenarios related to different wind and solar installed capacities and extreme failure.…”
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10451
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10452
Inhibitors of Human Dihydrofolate Reductase: A Computational Design and Docking Studies Using Glide
Published 2008-01-01“…The docking studies were done using grid, generated with the 0.9 Vander Waals scaling for non polar bonds in the active site of the receptor. …”
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10453
Effect of Gurney Flap Geometry on a S809 Airfoil
Published 2019-01-01“…In this paper, the effect of Gurney flap shapes on wind turbine blade airfoil S809 has been studied by numerical simulation. First, the O-type grid is used in the numerical simulation. By comparing with experimental data, such as the lift force, the drag coefficient, and the pressure distribution, the accuracy of the simulation method is validated. …”
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10454
Clustering and Fuzzy Logic-Based Demand-Side Management for Solar Microgrid Operation: Case Study of Ngurudoto Microgrid, Arusha, Tanzania
Published 2021-01-01“…Permanent electricity availability should not be taken for granted since grid sustainability and reliability are at stake when there is no balance between supply and demand. …”
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10455
An empty-nest power user identification method based on weighted random forest algorithm
Published 2020-08-01“…In view of the lack of effective technical means for the identification of empty-nesters by the government and the society,an empty-nesters prow user identification method based on weighted random forest algorithm was proposed.Firstly,some accurate labels of empty-nest users were obtained through questionnaires,and electricity characteristic library was drawn from three aspects:electricity consumption level,electricity consumption fluctuation and electricity consumption trend.Due to the data imbalance between empty-nest and non-empty-nest users,the weighted random forest algorithm was used to improve the data sensitivity phenomenon of machine learning.Finally,the algorithm model was put online in the power company’s acquisition system.The 2 000 unknown users of various types were identified,among which the identification accuracy of empty-nest users was 74.2%.The results show that the identification of empty-nesters from the perspective of electricity consumption can help power grid companies to understand the personalized and differentiated needs of empty-nesters,so as to provide users with more sophisticated services,and also assist the government and society to carry out assistance work.…”
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10456
Comprendre la production et la régulation des conflits environnementaux pour caractériser une trajectoire de sécurisation du risque
Published 2020-12-01“…For this purpose, we use the notion of hydro-social contract. We elaborate a grid based on historical institutionalism in order to examine the quality of the institutions coping with flood risk over time. …”
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10457
Electricity Usage Scheduling in Smart Building Environments Using Smart Devices
Published 2013-01-01“…With the recent advances in smart grid technologies as well as the increasing dissemination of smart meters, the electricity usage of every moment can be detected in modern smart building environments. …”
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10458
Re-evaluation of Underflow Energy Dissipation Effect Based on AHP-fuzzy Comprehensive Evaluation Method
Published 2023-01-01“…The effects of current underflow energy dissipation are basically evaluated by a single indicator (energy dissipation rate) based on engineering safety.To better adapt to the construction needs of ecological water conservancy,this paper comprehensively analyzes all relevant factors of underflow energy dissipation and conducts the qualitative and quantitative analysis of multiple indicators by the application of hierarchical analysis and fuzzy comprehensive evaluation.It sets two criterion layers of main characteristic indicators (energy loss,aeration concentration of water body after energy dissipation,fluctuation pressure,and tail water flow pattern) and minor characteristic indexes (anti-impact flow velocity of downstream,Froude number of pre-jump section, and inundation degree).Then,it calculates the corresponding weights and degree of membership respectively to obtain the re-evaluation result of the energy dissipation effect of a grid underflow energy dissipater being 83.3 points (B grade).The results show that the comprehensive evaluation based on multiple factors can better take into account the ecological requirements and other influencing factors of the downstream river on the premise of meeting engineering safety.…”
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10459
Battery Energy Storage Sizing When Time of Use Pricing Is Applied
Published 2014-01-01“…Battery energy storage systems (BESSs) are considered a key device to be introduced to actuate the smart grid paradigm. However, the most critical aspect related to the use of such device is its economic feasibility as it is a still developing technology characterized by high costs and limited life duration. …”
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10460