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Online since: January 2012
Authors: Wei Dong Cheng, Tian Yang Wang, Jian Yong Li, Wei Gang Wen, Heng Wang
The real-time monitoring data produced by a large number of vibration sensors are vast quantities, and compared with these data, the CPU, local storage, data communication device installed in the mobile equipment are very limited.
Thus, all data uploading or local long-term saving is almost impossible.
Therefore, it is necessary to carry out online anomaly detection in sensor data streams, in order to retain the real-time data of the anomaly condition for further diagnoses and processing.
Data Driven Anomaly detection via Symbolic Identification of Complex Dynamical Systems.
Symbolic time series analysis of ultrasonic data for early detection of fatigue damage.
Thus, all data uploading or local long-term saving is almost impossible.
Therefore, it is necessary to carry out online anomaly detection in sensor data streams, in order to retain the real-time data of the anomaly condition for further diagnoses and processing.
Data Driven Anomaly detection via Symbolic Identification of Complex Dynamical Systems.
Symbolic time series analysis of ultrasonic data for early detection of fatigue damage.
Online since: August 2013
Authors: Ai Zhi Liu, Bao An Li, An Min Xi
We can see that one Terrestrial or Satellite Link is corresponding to one UAV, and one General FCC controls one UAV; Standard Interface Device turns the Telemetry Data, which is received from Terrestrial Link or Satellite Link, to standard data, which is followed the STANAG 4586, and turns standard data to Remote Data for controlling the UAVs.
The standard data is transferred on the Gigabit Ethernet.
Our Standard Interface not only turns the Telemetry Data from different UAVs to standard data, but also can turn standard data to Remote Data.
At the same time, there is no needing to modify the specific UAV data link requirements.
Investigation of Human Factors in UAV Accidents Based on Analysis of Statistical Data.
The standard data is transferred on the Gigabit Ethernet.
Our Standard Interface not only turns the Telemetry Data from different UAVs to standard data, but also can turn standard data to Remote Data.
At the same time, there is no needing to modify the specific UAV data link requirements.
Investigation of Human Factors in UAV Accidents Based on Analysis of Statistical Data.
Online since: April 2018
Authors: Zhi Wei Zhou, Xiao Bin Qiu, Ling Fang Qiu, Shu Wang Duo
Data of PL shows a much lower photo-reduced electron-hole pair recombination rate of g-C3N4/CQDs/SAPO-5.
Morad, Optimization of the adsorption conditions for the decolorization and COD reduction of methylene blue aqueous solution using low-cost adsorbent, Water Air Soil Poll., 214 (2011) 185-195
Wang, Ultrathin nanosheets of molecular sieve SAPO-5: A new photocatalyst for efficient photocatalytic reduction of CO2 with H2O to methane, Appl.
Morad, Optimization of the adsorption conditions for the decolorization and COD reduction of methylene blue aqueous solution using low-cost adsorbent, Water Air Soil Poll., 214 (2011) 185-195
Wang, Ultrathin nanosheets of molecular sieve SAPO-5: A new photocatalyst for efficient photocatalytic reduction of CO2 with H2O to methane, Appl.
Online since: August 2011
Authors: Zhi Bo Yan, Hong Wei Chen
Access to data is the first step in reverse engineering, and only accurate three-dimensional surface data to complete reverse engineering.
As the object of data collection sample, measured data fitted surface does not directly as a mold punch and die, or core, cavity model, CAD systems often use these data to be modified.
Use of coordinate measuring machines and laser scanning data obtained are scattered cloud data, there is usually a large random error.
The rules of cloud data into an ordered data set of quadrilateral mesh, easy to shape the formation of many pieces of data blocks.
a) Construction and analysis of the curve Smooth curve through the point data reduction and screening, the curve will be a "jitter" phenomenon.
As the object of data collection sample, measured data fitted surface does not directly as a mold punch and die, or core, cavity model, CAD systems often use these data to be modified.
Use of coordinate measuring machines and laser scanning data obtained are scattered cloud data, there is usually a large random error.
The rules of cloud data into an ordered data set of quadrilateral mesh, easy to shape the formation of many pieces of data blocks.
a) Construction and analysis of the curve Smooth curve through the point data reduction and screening, the curve will be a "jitter" phenomenon.
Online since: December 2012
Authors: Zhi Rong Mei, Jun Wei Zhang, Ya Ting Sun
Continuous Belt Mucking Technology of China Railway Tunnel Construction
Yating Sun1, a, Zhirong Mei2, b, Junwei Zhang3, c
1China Academy of Railway Sciences, Beijing, P.R.China (100081);
2China Railway Southwest Research Institute Co.Ltd, Chengdu, Sichuan, P.R.China (611731)
3Southwest Petroleum University, Chengdu, Sichuan, P.R.China (610500)
attplum_999@163.com, bmeizhirong@vip.163.com, czhanggjunwei@gmail.com
Keywords: tunnel, drilling-blasting method, continuous belt system, mucking technology, energy-saving and emission-reduction, new belt transportation equipment
Abstract.
Table 1 listed construction speed of tunnels which are more than ten kilometres long, and the datum speak volumes for that construction efficiency is closely related with mechanization level and tunnel construction technology.
Continuous belt mucking technology is widely adopted in many contries, and it owns advantages of high automaticity, powerful conveying capacity, facile security, energy-saving and emission-reduction, etc.
The propelling energy of continuous belt mucking system is electrical energy, thus the ventilation cost could be reduced greatly because of emission-reduction.
The emission-reduction could cut down the ventilation cost consumedly.
Table 1 listed construction speed of tunnels which are more than ten kilometres long, and the datum speak volumes for that construction efficiency is closely related with mechanization level and tunnel construction technology.
Continuous belt mucking technology is widely adopted in many contries, and it owns advantages of high automaticity, powerful conveying capacity, facile security, energy-saving and emission-reduction, etc.
The propelling energy of continuous belt mucking system is electrical energy, thus the ventilation cost could be reduced greatly because of emission-reduction.
The emission-reduction could cut down the ventilation cost consumedly.
Online since: November 2020
Authors: Giovany David Luque Andino, Walter Alfonso Amador Segura, Gerardo Efraín Villalobos Andino, Carlos Eduardo Díaz Pavón, Selvin Alejandro Baca Valladares, Herbert Daniel Chavarría Donaire, Luis Fernando Chandias Flores, Carlos Humberto Aguilar Padilla, Cesar Humberto Ortega-Jimenez
In this paper, we present the findings of a systematic literature review, consisting of quantitative and qualitative data, focusing on investigating Powder Metallurgy, as an alternative to traditional Sand Casting, by comparing certain characteristics of either process to synthesize the existing information of each method and to present an overview of manufactured materials.
Analysis and Results In this section, we analytically present the collected data.
Furthermore, it shows that journals are mostly classified as Q1/Q2, all indexed in Scopus with high levels of quality (SJR & H Index), so the validity of the data is guaranteed.
The strength of PM is the reduction of waste in its processes, thanks to the compaction in dust processing that allows the formation of loose metal for its use. [16].
If comparing a piece by traditional casting, the PM piece shows a reduction in porosity [17].
Analysis and Results In this section, we analytically present the collected data.
Furthermore, it shows that journals are mostly classified as Q1/Q2, all indexed in Scopus with high levels of quality (SJR & H Index), so the validity of the data is guaranteed.
The strength of PM is the reduction of waste in its processes, thanks to the compaction in dust processing that allows the formation of loose metal for its use. [16].
If comparing a piece by traditional casting, the PM piece shows a reduction in porosity [17].
Online since: February 2011
Authors: Pei Xiao Liu, Pei Xian Chen, Shao Jun Chu
This new method is more accurate than the traditional method and much closer to the actual production data.
Thus, comparing to actual production data, the deviation is inevitable in burden calculation with coefficient of major elements recovery.
The burden calculation table can be obtained by sorting out the data above, and is shown in Table 11.
In the two methods for burden calculation, quantity of ore and coke is not far off the actual production data in factory A with maximum deviation of 5.5%.
The specific data is shown in Table 13.
Thus, comparing to actual production data, the deviation is inevitable in burden calculation with coefficient of major elements recovery.
The burden calculation table can be obtained by sorting out the data above, and is shown in Table 11.
In the two methods for burden calculation, quantity of ore and coke is not far off the actual production data in factory A with maximum deviation of 5.5%.
The specific data is shown in Table 13.
Online since: October 2012
Authors: Min Yang, Wei Wang, Jing Yao Zhao
Section 2 presents an interaction model framework and the methodology of structure equation models and. section 3 explores data process.
Data and Descriptive Analysis Date Collection and Processing.
After getting rid of the incorrect data according to effective and logical test criteria, data of 1235 nuclear families heads with complete household and personal attributes are available from database.
Second, since Suzhou is a relatively highly-developed city in china, the research will go deeper if other scale and types of cities can be introduced to the studies with more data available.
Choi..A structural equation model of activity participation and travel behavior using longitudinal data.
Data and Descriptive Analysis Date Collection and Processing.
After getting rid of the incorrect data according to effective and logical test criteria, data of 1235 nuclear families heads with complete household and personal attributes are available from database.
Second, since Suzhou is a relatively highly-developed city in china, the research will go deeper if other scale and types of cities can be introduced to the studies with more data available.
Choi..A structural equation model of activity participation and travel behavior using longitudinal data.
Online since: December 2011
Authors: Abdellatif Imad, H. Khadimallah, J.Y. Pradillon, M. Tarfaoui
The scope of the present work is to investigate the structural modal analysis of full-scale 48m fiberglass composite wind turbine blades for 5MW horizontal axis wind turbine and through this to assess the potential for materials savings and consequent reductions of the rotor weight.
The entire wind turbine can benefit from such weight reductions through decreased dynamics loads and thus leave room for further optimization.
Then, proceeded to search the published data, the original coordinates of each of these airfoils (raw sections), and both the extrados to the intrados.
Both the materials and the lamination strategy were selected through the UpWind data.
The entire wind turbine can benefit from such weight reductions through decreased dynamics loads and thus leave room for further optimization.
Then, proceeded to search the published data, the original coordinates of each of these airfoils (raw sections), and both the extrados to the intrados.
Both the materials and the lamination strategy were selected through the UpWind data.
Online since: June 2011
Authors: Qiu Lin Tan, Hai Yang Yu, Zhen Zhou, Jin Ming Li, Jun Li, Yong Jun Cui
FSK has been widely used in low-speed data transmission [1].
Data is always written into the AD9910 on the SDIO pin.
However, this pin can be used as a bidirectional data line.
Data is always written into the AD9910 on the SDIO pin.
However, this pin can be used as a bidirectional data line.
Data is always written into the AD9910 on the SDIO pin.
However, this pin can be used as a bidirectional data line.
Data is always written into the AD9910 on the SDIO pin.
However, this pin can be used as a bidirectional data line.