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Online since: November 2019
Authors: Ahmed Mohamed Azmy, Hossam A. Abd El-Ghany, Mohamed Saad
It is used also in [18] based on minimizing voltage deviation and loss reduction in the radial systems but both researches ignored the load variation.
The particle swarm optimization algorithm is used also in [23] based on minimizing voltage deviation and loss reduction in a radial system but the research ignored the load variation and the total DG capacity limit.
Yes Display DG capacity units, minimum bus voltage, min OVSI and total energy loss Extraction of offspring population's fitness data and execute crossover &mutation Execute power flow calculations, then calculate values of min voltage, min OVS, total losses and cost function over one day concerning load variation without inserting DGs Insert DG over random buses and initialization of chromosome population Select parent of the population Execute crossover & mutation and create offspring chromosomes No Assess the objective function Termination criteria executed?
Stop Start Collect network data Execute power flow, voltage profile, OVSI, total losses and cost function calculations over one day with load variation Evaluate the multi-objective function Execute power flow, voltage values, OVSI, total losses and cost function calculations all over one day concerning load variation Fig. 2: Flowchart of GA calculation for applying the proposed framework [20] Fig. 3: The typical system IEEE 33-bus system [31] Table 1: Load data of IEEE 33-bus system Bus No Load Bus No Load Bus No Load MW Mvar MW Mvar MW Mvar 1 0 0 12 0.56 0.035 23 0.09 0.05 2 0.2 0.06 13 0.16 0.035 24 0.42 0.2 3 0.19 0.04 14 0.32 0.08 25 0.42 0.2 4 0.32 0.08 15 0.56 0.01 26 0.06 0.025 5 0.46 0.03 16 0.66 0.02 27 0.06 0.025 6 0.26 0.02 17 0.36 0.02 28 0.06 0.02 7 0.3 0.1 18 0.79 0.04 29 0.12 0.07 8 0.3 0.1 19 0.99 0.04 30 0.2 0.6 9 0.66 0.02 20 0.09 0.04 31 0.15 0.07 10 0.36 0.02 21 0.09 0.04 32 0.21 0.1 11 0.545 0.03 22 0.09 0.04 33 0.06 0.04 Table 2: Line data of IEEE
As shown in Table 12, the percentage losses reduction of the total active energy is 29.68% and the total reactive energy losses reduction is 30.39%, which emphasizes the better performance after using a combination of all types.
The particle swarm optimization algorithm is used also in [23] based on minimizing voltage deviation and loss reduction in a radial system but the research ignored the load variation and the total DG capacity limit.
Yes Display DG capacity units, minimum bus voltage, min OVSI and total energy loss Extraction of offspring population's fitness data and execute crossover &mutation Execute power flow calculations, then calculate values of min voltage, min OVS, total losses and cost function over one day concerning load variation without inserting DGs Insert DG over random buses and initialization of chromosome population Select parent of the population Execute crossover & mutation and create offspring chromosomes No Assess the objective function Termination criteria executed?
Stop Start Collect network data Execute power flow, voltage profile, OVSI, total losses and cost function calculations over one day with load variation Evaluate the multi-objective function Execute power flow, voltage values, OVSI, total losses and cost function calculations all over one day concerning load variation Fig. 2: Flowchart of GA calculation for applying the proposed framework [20] Fig. 3: The typical system IEEE 33-bus system [31] Table 1: Load data of IEEE 33-bus system Bus No Load Bus No Load Bus No Load MW Mvar MW Mvar MW Mvar 1 0 0 12 0.56 0.035 23 0.09 0.05 2 0.2 0.06 13 0.16 0.035 24 0.42 0.2 3 0.19 0.04 14 0.32 0.08 25 0.42 0.2 4 0.32 0.08 15 0.56 0.01 26 0.06 0.025 5 0.46 0.03 16 0.66 0.02 27 0.06 0.025 6 0.26 0.02 17 0.36 0.02 28 0.06 0.02 7 0.3 0.1 18 0.79 0.04 29 0.12 0.07 8 0.3 0.1 19 0.99 0.04 30 0.2 0.6 9 0.66 0.02 20 0.09 0.04 31 0.15 0.07 10 0.36 0.02 21 0.09 0.04 32 0.21 0.1 11 0.545 0.03 22 0.09 0.04 33 0.06 0.04 Table 2: Line data of IEEE
As shown in Table 12, the percentage losses reduction of the total active energy is 29.68% and the total reactive energy losses reduction is 30.39%, which emphasizes the better performance after using a combination of all types.
Online since: March 2019
Authors: Reinhard Mauermann, Nadine Schubert, Andreas Sterzig, Sören Hilbers, Peter Kolbe, Christian Kuhn
For example, partial heating of the joining partners should result in a reduction of the process time.
Finally, due to the real tests and the use of the finite-element method, not only a reduction of the process time due to preheating could be confirmed, but also the use of the simulation software for the design of friction welding components could be proven.
[6] Information on http://www.tl-ing.de/data/ueber_uns/veroeffentlichungen/SysweldForum09_ TROMMER_Loose_et_al.pdf (last accessed 10 December 2018)
Finally, due to the real tests and the use of the finite-element method, not only a reduction of the process time due to preheating could be confirmed, but also the use of the simulation software for the design of friction welding components could be proven.
[6] Information on http://www.tl-ing.de/data/ueber_uns/veroeffentlichungen/SysweldForum09_ TROMMER_Loose_et_al.pdf (last accessed 10 December 2018)
Online since: March 2020
Authors: Ju Hua Li, Lei Ji, Guan Qun Li, Jia Lin Xiao, Sean Unrau
Although PCA normalizes the original data, there is still a problem that it does not reflect all the information in the data set.
Almost all data sets have a certain degree of error, and the data sets used in this study are no exception.
In spite of the data cleaning required in the project, it must be stated that there are still incorrect values in these data sets.
Therefore, the data were used to identify trends, but there is no guarantee that any one single data value is completely correct.
The data set includes 73 high yield wells and 156 low yield wells.
Almost all data sets have a certain degree of error, and the data sets used in this study are no exception.
In spite of the data cleaning required in the project, it must be stated that there are still incorrect values in these data sets.
Therefore, the data were used to identify trends, but there is no guarantee that any one single data value is completely correct.
The data set includes 73 high yield wells and 156 low yield wells.
Online since: September 2011
Authors: Jin Long Zhou, Qiao Li, Wei Zhong Cai
Through the investigation into composition of major shallow foundation soil mass and the correlation of mechanical indicators in this study, the regression equation of mechanical indicators of the features of local foundation soil mass and the data of in situ testing was obtained.
For the multistory building with 5 to 8 stories and the frame-structured building with load of 1200-2500kN on the signal pile, the driven cast-in-place pile and flat belled-out pile were usually adopted; in such practice, silt of Layer ④2 adopted as bearing layer of pile showed better economic efficiency than that of Layer ⑥, with reduction in construction difficulty and the construction period.
For the multistory building with 5 to 8 stories and the frame-structured building with load of 1200-2500kN on the signal pile, the driven cast-in-place pile and flat belled-out pile were usually adopted; in such practice, silt of Layer ④2 adopted as bearing layer of pile showed better economic efficiency than that of Layer ⑥, with reduction in construction difficulty and the construction period.
Online since: February 2011
Authors: Harry Ku, Mohan Trada, Andrew Maxwell, H. Fung, J. Huang, Peter Wong
This basic but critical and important data have caused interests in the relevant industry in Australia.
The addition of hollow spheres to fiberglass reinforced plastics (FRP), epoxy, compounds, and urethane castings can provide weight reduction cost, savings and improved impact resistance.
The addition of hollow spheres to fiberglass reinforced plastics (FRP), epoxy, compounds, and urethane castings can provide weight reduction cost, savings and improved impact resistance.
Online since: April 2014
Authors: Yuan Bin Hou, Mao Quan Zheng, Ya Li Xue, Xin Zhao Wang
The FMBTES method is verified by data simulation of Shaanxi Province Huangling Jianzhuang coal mine, which is large dip angle section of the four sections type belt conveyor system, belt length is 1200m.
The method comprises the following steps (1) The change regular of the start process pull force is found for belt conveyor According to the power equal to pull force multiplied by the rated speed, formula (11) is given (11) Where is pull force of the formula (4) , the line speed is , here, r is the radius of the driving roller, is the reduction rate of the driving motor, then formula (12) can be obtained as follows: (12) Here is synthesized coefficient.
The method comprises the following steps (1) The change regular of the start process pull force is found for belt conveyor According to the power equal to pull force multiplied by the rated speed, formula (11) is given (11) Where is pull force of the formula (4) , the line speed is , here, r is the radius of the driving roller, is the reduction rate of the driving motor, then formula (12) can be obtained as follows: (12) Here is synthesized coefficient.
Online since: June 2013
Authors: Wing Kong Chiu, Pathmanathan Rajeev, Jayantha Kodikara, Thomas Kuen
Moreover, the data acquisition setup is not economically viable.
Tests were conducted on pipe sections under a variety of load conditions including internal pressure, axial compression, bending, and local buckling, and test data was monitored remotely through internet access.
The corrosion rate can be identified using the soil corrosivity data.
The observed data can be used to calculate the present safety factor of the system.
A source separation technique for processing of thermometric data from fiber-optic DTS measurements for water leakage identification in dikes, IEEE Sensors J, vol. 8, no. 7, pp. 1118-1129
Tests were conducted on pipe sections under a variety of load conditions including internal pressure, axial compression, bending, and local buckling, and test data was monitored remotely through internet access.
The corrosion rate can be identified using the soil corrosivity data.
The observed data can be used to calculate the present safety factor of the system.
A source separation technique for processing of thermometric data from fiber-optic DTS measurements for water leakage identification in dikes, IEEE Sensors J, vol. 8, no. 7, pp. 1118-1129
Online since: August 2021
Authors: Mustafa Mazin Ghazi, Ahmad Jabbar Hussain Alshimmeri
Utilizing the data gained from finite element studies conducted by others, the method extracted for measuring the critical buckling load is illustrated for a broad variety of section measurements.
As such, since a reduction in the shear stiffness was found, these columns suffer greater decreases in their buckling ability.
While the second additive material was (Hyperplast PC200) is a superplasticizer 3rd generation for mortar and concrete as a High-Ranges Water Reduction Additives (HRWRA).
The data was automatically obtained using a method for data collection Fig.
Majdi et al., ‘Experimental data on compressive strength and ultrasonic pulse velocity properties of sustainable mortar made with high content of GGBFS and CKD combinations’, Data Br, vol. 31, p. 105961, 2020
As such, since a reduction in the shear stiffness was found, these columns suffer greater decreases in their buckling ability.
While the second additive material was (Hyperplast PC200) is a superplasticizer 3rd generation for mortar and concrete as a High-Ranges Water Reduction Additives (HRWRA).
The data was automatically obtained using a method for data collection Fig.
Majdi et al., ‘Experimental data on compressive strength and ultrasonic pulse velocity properties of sustainable mortar made with high content of GGBFS and CKD combinations’, Data Br, vol. 31, p. 105961, 2020