pdm a modelling framework for the temporal attributes of construction requirements
Construction requirements driven planning and scheduling
Ngày tải lên :
09/09/2015, 17:58
... requirements have both spatial and temporal attributes Hence, modelling the spatial attributes only may not be adequate National University of Singapore during analysis, and the temporal information ... Moderate value of DSI N Number of Space Entities SAB Overlapping Area of Entity A and B TABC Temporal overlap of Entity A, B and C SAC Overlapping Area of Entity A and C pmin Time Constant for ... constraint satisfaction to drive the engineering design Their approach was able to heuristically explore alternatives and automatically propagate changes so that the changes are accommodated by changing...
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Multi objective genetic algorithm for robust flight scheduling
Ngày tải lên :
26/11/2015, 13:03
... chance to swap parts of aircraft routing of the disrupted aircraft with that of other aircrafts If a spare aircraft is available at the airport of the problem aircraft, a substitution can be made ... various factors can upset the entire flight schedule Snow, thunderstorm and other forms of bad weather can lead to degradation in the airport’s capability to handle aircrafts that are taking off and ... which are optimal with regards to penalties for delayed arrivals, penalties for cancelled flights and penalties for fleet imbalances at the end of the day Barnhart (2001) also showed a list of metrics...
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An efficient genetic algorithm for the p median
Ngày tải lên :
08/08/2013, 08:38
... of the performance of the algorithm on the Alberta, Galvão, and Koerkel problems Problem No n p Optimal Alberta Alberta Alberta Alberta Alberta Alberta Alberta Alberta Alberta Alberta Alberta ... Another measure of ADE’s performance is the average deviation between the average of the best solution values and the optimal values in 10 replications: 0.11% In other words, the average of the ... defined as the percentage overlap of their genes The similarity index of the population is the average of the individual similarity indices Given the way we generate the initial population, the starting...
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Báo cáo hóa học: " 2DPCA fractal features and genetic algorithm for efficient face representation and recognition" pdf
Ngày tải lên :
21/06/2014, 00:20
... number j of the training database, and X is the average ˆ of all fractal matrices associated to the images from the training database The next step is to choose d eigenvalues associated with ... parameters), our idea was to apply a bi-dimensional PCA on the fractal features for the two already-mentioned databases After a 2DPCA was applied on all features matrices, we were able to achieve ... Table Recognition rate versus the number of transformations Page of Table Recognition rate for the two approaches and the two databases Number of transformations RR(Yale) RR(ORL) Approach Yale...
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application of real coded genetic algorithm for ship hull surface fitting with a single non-uniform b-spline surface
Ngày tải lên :
13/11/2014, 08:18
... (Jensen and Baatrup 1989) The skinning approach to re-creating a set of given data point is to convert the stations into a surface model and take advantage of the capabilities of hull surface modeling ... method The basic approach is to convert the stations into a surface model and take advantage of the capabilities of hull surface modeling, compare it to the target offsets, and refine it as necessary ... arrangement for the surface reconstruction The single NUB surface can be readily translated into many CAD/CAM packages, which facilitate the smooth data transition across the different design stages These...
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A MULTI-OBJECTIVE EVOLUTIONARY ALGORITHM USING DIRECTIONS OF IMPROVEMENT AND APPLICATION
Ngày tải lên :
21/01/2015, 15:48
... performance measure that can indicate the superiority of one algorithm over another in these two aspects So, there is a clear need of having at least two performance measures for adequately evaluate ... DMEA-II is presented and analyzed in the final part of the chapter The experimental results indicate that DMEA-II has better performance over the original DMEA The thesis also conducts a comparison ... algorithms There is a need to have a guidance for the evolutionary 1.5 THESIS ORGANIZATION process to make the MOEA balanced between exploitation and exploration automatically • The usage of directions...
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Large scale structural identification by multi civilization genetic algorithm approach
Ngày tải lên :
08/11/2015, 17:25
... effectiveness and search capability of GA In particular the accuracy of search is the main concern The numerical experiments show that the standard GA can find the answers of relatively small systems, for ... destination It divides the data stream into many small packets and wrapped them with a “tag”, which indicates the order of these data It contains a “shake hand” mechanism that gives a feed back ... increases substantially and the forward analysis becomes very time-consuming Thus the total search time increases dramatically, and the expensive computational cost makes the GA approach infeasible...
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OPTIMAL placement of FACTS devices by genetic algorithm for the increased load ability of a power system
Ngày tải lên :
26/03/2016, 02:38
... cycle and individuals of same population with improved characters are created in the next generation The objective function is then again calculated for all the individual of the new generation and ... with FACTS devices for are shown The magnitude and phase angle of the bus voltages with & without FACTS Devices for 200% of loading are shown in Table Phase angles are given in radian The locations ... capacity and location There are two distinct means of placing a FACTS device in the system for the purpose of increasing the system’s ability to transmit power, thereby allowing for the use of...
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A genetic algorithm for power aware virtual machine allocation in private cloud
Ngày tải lên :
23/08/2016, 23:11
... GAPA algorithms These GAPA use the probability mutation of 0.01 and size of population of 10 N /A means not available Algorithms BFD GAPA P10 G500 C25 GAPA P10 G500 C50 GAPA P10 G500 C75 GAPA ... the experiments in the Table and Figure We use a popular simulated software for a virtualized datacenter is the CloudSim [14][6] to simulate our virtualized datacenter and the workload The GAPA ... requirements of n VMs 2.4 The GAPA Algorithm The GAPA, which is a kind of Genetic Algorithm (GA), solves the SVMAP The GAPA performs steps as in the Algorithm In the GAPA, we use a tree structure to...
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GIS and ant algorithm for multi objective siting of emergency facilities
Ngày tải lên :
07/10/2015, 10:02
... in an emergency can afford to wait, the definition of coverage, the actions to be taken when servers are no available, the balanced allocation of backload to each server, and the data availability, ... as well as generate data for a specific location model for detailed analysis z Data manipulation and analysis In some cases, the data structures used to store and manipulate map information are ... data for location modelers, it can also be used for data manipulation and analysis, e.g data format conversion The data collected and stored in GIS for one purpose can be easily made available for...
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Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm
Ngày tải lên :
05/09/2013, 17:03
... modify the Jensen’s model [4] of the wake and apply it to determine the wake of a VAWT Now, the cross-section area of the streamtube is a square of width 2R and height H instead of a circle From the ... grid arrangement is also best in the case of a VAWT for optimal power generation Wake, power and cost modeling of a HAWT 2.1 Jensen's wake modeling of a HAWT All the results reported to date in the ... shows the convergence history of the GA optimization for VAWT wind farm The results are given in Table The optimal layout is the same as that of a HAWT as shown in Figure Table Optimization results...
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A dynamic programming algorithm for RNA structure
Ngày tải lên :
12/01/2014, 22:07
... fact into account, we have to systematically add dangle diagrams to the various recursions For instance, the dangle diagrams that we have to add for the recursion of the wx matrix are given in ... have to with the way the machine allocates memory for larger RNAs The software and parameter sets are available by request from E Rivas (elena@genetics.wustl.edu) A technical report giving the ... truncated at y(0) Figure General recursion for vx in the nested algorithm Each line gives the formal score of one of the diagrams in Figure The diagram on the left is calculated as the score of the...
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Báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" potx
Ngày tải lên :
20/06/2014, 22:20
... concept of the statistics of visual representation, which is comprised of the global mean of the image and the global mean of regional standard deviation of the image This quantitative method is an ... Similar to the influence of m on lightness, a smaller (larger) value of m max also leads to a larger (smaller) value of overall lightness Therefore, the parameters mmin and mmax are Page 10 of ... to 200 for the image mean the mean of standard deviation and the mean of image, respectively In [23], the authors found that the visually optimized images converge to a range of approximately...
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báo cáo hóa học: " A novel simultaneous dynamic range compression and local contrast enhancement algorithm for digital video cameras" pptx
Ngày tải lên :
21/06/2014, 00:20
... concept of the statistics of visual representation, which is comprised of the global mean of the image and the global mean of regional standard deviation of the image This quantitative method is an ... Similar to the influence of m on lightness, a smaller (larger) value of m max also leads to a larger (smaller) value of overall lightness Therefore, the parameters mmin and mmax are Page 10 of ... to 200 for the image mean the mean of standard deviation and the mean of image, respectively In [23], the authors found that the visually optimized images converge to a range of approximately...
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Báo cáo hóa học: " Research Article Prerouted FPGA Cores for Rapid System Construction in a Dynamic Reconfigurable System" pot
Ngày tải lên :
22/06/2014, 22:20
... for pairwise alignment of DNA sequences with a linear gap penalty and an 8-bit datapath [28] The performance of this application is proportional to the number of PEs in a linear array P This is ... our approach, the communication bandwidth is only limited by the ability of the automatic placement and routing tools to make best use of the wire bandwidth available in the target FPGA architecture ... required and then adjusted to fit the port instances The aspect ratio of a core can be changed slightly without a ecting performance, after which the performance drops off rapidly As there are four...
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Báo cáo sinh học: "An ’average information’ restricted maximum likelihood algorithm for estimating reduced rank genetic covariance matrices or covariance functions for animal models with equal design matrices" pot
Ngày tải lên :
09/08/2014, 18:22
... blockdiagonal for animals Hence, matrices aR Ekl / alJ have submatrices ie, derivatives of M with respect to residual (co)variances can be set up in the same way as the ’data part’ of M The strategy ... these, a canonical decomposition of the genetic and residual covariance matrix together yields a transformation to uncorrelated variables with unit residual variance, leaving the number of parameters ... the data vector of M gives M for j > i), and = LL’, with L a lower triangular Factorisation of M for large scale animal model analyses is computationally feasible through the use of sparse matrix...
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Báo cáo y học: " Introduction of an agent-based multi-scale modular architecture for dynamic knowledge representation of acute inflammation" ppt
Ngày tải lên :
13/08/2014, 16:21
... inflammatory cells and mediators Factors supporting this view are the fact that endothelial activation is a necessary aspect of the initiation and propagation of inflammation, particularly in the ... characterize analytically Therefore, ABMs are not "mathematical models" per se, being able to be subjected to formal analysis and "solved." Rather, the use of ABM falls into the category of "simulation ... Rather, the metabolic rules consist of a simple arithmetical relationship based on the prior state (value) of a particular variable used to calculate the current value The specifics of the algebraic...
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Báo cáo sinh học: " A fast algorithm for BayesB type of prediction of genome-wide estimates of genetic value" pps
Ngày tải lên :
14/08/2014, 13:21
... expectation of the genetic value given the summary statistic of the data Y, E(g|Y), as a function of Y The expectation of the genetic value given the summary statistic of the data Y, E(g|Y), as a ... independent of , but for a given 2 the value of will increase as increases Assuming that all the genetic variance can be explained by markers, and the trait has a phenotypic variance of and heritability ... genetic values for the animals of generation 1002 were predicted (GW-EBV) from their marker genotypes and the estimates of the marker effects The accuracy of these estimates was calculated as the...
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Báo cáo sinh học: " A method for the dynamic management of genetic variability in dairy cattle" pot
Ngày tải lên :
14/08/2014, 13:22
... practitioners The theory employed was fully detailed The potential of the approach was assessed on a real population GENERAL OUTLINE OF THE APPROACH Ideally, optimizing matings in real dairy cattle ... Matings a j and mating b j remain for final consideration Then, the possible matings assigned to the ordered pair (action 1, action 2) are: a j and a j, b j and b j, a j and b j, b j and a j Each ... parents because they are more protected against within-family drift Second, as a major constraint, the average EBV of the future individuals for an overall combination of many traits of economical importance,...
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Optimal computing budget allocation for multi objective simulation optimization
Ngày tải lên :
09/09/2015, 10:13
... allocation Another fundamental assumption is that the comparison and thereby the ranking of the alternatives are based on their expectation (mean) only, regardless of their variances While variances ... each alternative for multiple replicates, or use batch mean as the basic observation rather than the raw simulation output This approach has disadvantages of either wasting observations of the ... (σh ak a /n a + σhd a k a /nd a ) ⎠ (σh /n a + σh /nd a ) n a d k ak a a a (3.31) If a ∉ Sγ , from a similar derivation, we have (hd a k a − h ak a )σak a ⎞ ⎛ (γ + )H (h ak a − hd a k a )...
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