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Online since: June 2013
Authors: Ke Zhang, Yu Gao Cai, Song Hua Li, Yu Hou Wu, Li Xiu Zhang
(3)
By (3) knowable, more freedom system frequency response equals more freedom system frequency response, as long as the linear superposition measurement frequency response matrix line or a column can work out all the modal parameters.
3Experimental modality analysis of full ceramic motorized spindle
3.1 Test object
The object of this trial for laboratory 170SD30 whole ceramic motorized spindle, rated working frequency for 1000Hz, rated speed for 30000r/min, for 15Kw power rating.
3.2 Test principle
Hammer with elastic support forcibly whole ceramic motorized spindle, hammer with the sensors in the electric spindle acceleration sensor also recorded five incentive charge signal and response voltage signal and charge by point and amplifier signal is transformed into voltage signals, all voltage signal INV3018C signal acquisition instrument by introduced into to the computer data acquisition analysis software, in DASP-V10 according to the measuring
Data collection with frequency response function when directly after completion, collection, analyzed directly by frequency response function, observation of the effect of frequency response function, if the effect is not ideal, so they can again to sample the reduction of as much as possible because the error due to collect information. 3.3Results In order not to lose some modes, will all frequency response function (FRF) average, get a average the curve after, as shown in figure 1 shows, thus to determine the modal order number, from figure 1 is evident in there exist three order natural frequency.
Data collection with frequency response function when directly after completion, collection, analyzed directly by frequency response function, observation of the effect of frequency response function, if the effect is not ideal, so they can again to sample the reduction of as much as possible because the error due to collect information. 3.3Results In order not to lose some modes, will all frequency response function (FRF) average, get a average the curve after, as shown in figure 1 shows, thus to determine the modal order number, from figure 1 is evident in there exist three order natural frequency.
Online since: September 2013
Authors: You Hua Ding, Hai Qiong Guo, Zhang Peng
External communication (command) uses an interface control MCU to achieve data communication control, and exchanges data with display and control computer through dual-port RAM and integrated control MCU.
Internal communication (secondary) uses another interface control MCU to achieve link cycle control and data communication control, and exchanges data with display and control computer through dual-port RAM and integrated control MCU.
The look-up table data which encoding / decoding processing requires is provided by integrated control MCU through dual-port RAM.
In operation control vehicle detection mode, it simulates command system to achieve the data communication.
In radar vehicle detection mode, it provides data to the command system. [8] MCU3 exchanges data with MCU1 and MCU2 through DPRAM1 and DPRAM2, participates in the echo data control through integrated control logic and achieves the data communication between the access control unit and display and control computer via RS-232 serial communication interface.
Internal communication (secondary) uses another interface control MCU to achieve link cycle control and data communication control, and exchanges data with display and control computer through dual-port RAM and integrated control MCU.
The look-up table data which encoding / decoding processing requires is provided by integrated control MCU through dual-port RAM.
In operation control vehicle detection mode, it simulates command system to achieve the data communication.
In radar vehicle detection mode, it provides data to the command system. [8] MCU3 exchanges data with MCU1 and MCU2 through DPRAM1 and DPRAM2, participates in the echo data control through integrated control logic and achieves the data communication between the access control unit and display and control computer via RS-232 serial communication interface.
Online since: June 2013
Authors: Bin Zhou, Kun Li, Guang Xu
In addition, to estimate the sparsity basis, the collection of can be sampling data of the hyperspectral cube, but all the data record, and that reaches to almost the same results.
Result Data .
Illustration of the data preprocessing is shown as Fig. 2, which displayed the image which band number is 94 of the selected data.
Fig. 2 Illustration of the data preprocessing Sparse Measurement.
It performs well at sparse measurement and noise reduction.
Result Data .
Illustration of the data preprocessing is shown as Fig. 2, which displayed the image which band number is 94 of the selected data.
Fig. 2 Illustration of the data preprocessing Sparse Measurement.
It performs well at sparse measurement and noise reduction.
Online since: May 2011
Authors: Bin Li, Hong Wang, Jia Dong Chang, Hong Tao Zhang
The main advantages of the finite element method are: the capability of obtaining detailed solutions of the mechanics in a deforming body, namely, stresses, shapes, strains or contact pressure distributions; and the computer codes, can be used for a large variety of problems by simply changing the input data.
In this way, virtual manufacturing try-outs utilizing concurrent engineering devices have been developed with strong benefits which can be synthesized in a significant reduction of the time to market and of the products start-up costs [8-9].
The main advantages of the finite element method are: the capability of obtaining detailed solutions of the mechanics in a deforming body, namely, velocities, shapes, strains, stresses, or contact pressure distributions; and the computer codes, can be used for a large variety of problems by simply changing the input data.
Compare the datum of Fig. 6 and Fig. 7; we can see that kinetic energy is only a small part of the internal energy, so it could be ignored basically.
The main advantages of the finite element method are: the capability of obtaining detailed solutions of the mechanics in a deforming body, namely, stresses, shapes, strains or contact pressure distributions; and the computer codes, can be used for a large variety of problems by simply changing the input data.
In this way, virtual manufacturing try-outs utilizing concurrent engineering devices have been developed with strong benefits which can be synthesized in a significant reduction of the time to market and of the products start-up costs [8-9].
The main advantages of the finite element method are: the capability of obtaining detailed solutions of the mechanics in a deforming body, namely, velocities, shapes, strains, stresses, or contact pressure distributions; and the computer codes, can be used for a large variety of problems by simply changing the input data.
Compare the datum of Fig. 6 and Fig. 7; we can see that kinetic energy is only a small part of the internal energy, so it could be ignored basically.
The main advantages of the finite element method are: the capability of obtaining detailed solutions of the mechanics in a deforming body, namely, stresses, shapes, strains or contact pressure distributions; and the computer codes, can be used for a large variety of problems by simply changing the input data.
Online since: August 2024
Authors: Tomas Novak, Radim Ctvrtlik, Radim Spetik, Miroslav Soroka, Hana Vemolova
Recent advances in SiC MOSFET technology allow significant reduction of on-state resistance of the active transistor cell, increasing thus relative contribution of the drift region comprised typically from epitaxial layer or stack thereof.
To keep the parameters of the epi layer within limits, a closed feedback loop needs to be established in the mass production, by constant adjustment of the epi process recipe based on metrology data from previous runs, see Fig.2.
To keep the parameters of the epi layer within limits, a closed feedback loop needs to be established in the mass production, by constant adjustment of the epi process recipe based on metrology data from previous runs, see Fig.2.
Online since: August 2014
Authors: Peter Frankovský, Silvia Medvecká-Beňová
The paper discusses optimizing of centre differential heavy truck wheel without reductions.
Table 1 Results of the load of gearbox The input data maximum engine torque MkMOT 2100 [Nm] engine efficiency ηM 0,92 - maximum gear ratio ip 7,655 - gear ratio of additional gearing iRT 2,91 - efficiency of gears ηP 0,85 - input torque on the gearbox MkMM 36582 [Nm] distribution of the axle n 2 - torque on the ring gear MkK 18291 [Nm] number of planetary gears on the ring gear iS 4 - pressure angle α 28 [°] pitch pressure angle αW 26,98 [°] pitch diameter DW 196,18 [mm] load of gearbox circumferential force Ft 46618 [N] force in line of contact Fn 52311 [N] the resulting force on the pin in the plane A FsA 49921 [N] the resulting force on the pin in the plane B FsB 104140 [N] Strength calculation of the differential gearbox by FEM Strength calculation for gearbox by finite element method (FEM) is solved by means of SolidWorks in supplementary module for FEM calculations SolidWorks Simulation, as well as all model kit parts are modelled in this program.
Table 1 Results of the load of gearbox The input data maximum engine torque MkMOT 2100 [Nm] engine efficiency ηM 0,92 - maximum gear ratio ip 7,655 - gear ratio of additional gearing iRT 2,91 - efficiency of gears ηP 0,85 - input torque on the gearbox MkMM 36582 [Nm] distribution of the axle n 2 - torque on the ring gear MkK 18291 [Nm] number of planetary gears on the ring gear iS 4 - pressure angle α 28 [°] pitch pressure angle αW 26,98 [°] pitch diameter DW 196,18 [mm] load of gearbox circumferential force Ft 46618 [N] force in line of contact Fn 52311 [N] the resulting force on the pin in the plane A FsA 49921 [N] the resulting force on the pin in the plane B FsB 104140 [N] Strength calculation of the differential gearbox by FEM Strength calculation for gearbox by finite element method (FEM) is solved by means of SolidWorks in supplementary module for FEM calculations SolidWorks Simulation, as well as all model kit parts are modelled in this program.
Online since: March 2011
Authors: Stefanus Harjo, Atsushi Moriai, Kazuya Aizawa, Takayoshi Ito, Hiroshi Arima, Jun Abe, Takaaki Iwahashi, Takashi Kamiyama
TAKUMI adopted an event mode data recording method.
EMAKi comprises experimental support tools, device control interface, data acquisition system, data reduction, analysis and visualization tools.
However, since TAKUMI adopted the event data recording method, the data could be re-manipulated to be data per channel and could be plotted as a 2-D diffraction pattern shown in Fig. 7 (right).
Time focusing manipulation was not performed to the 2-D diffraction pattern data.
Since TAKUMI adopted the event data recording method, the data could be time-sliced during measurement or after the measurement.
EMAKi comprises experimental support tools, device control interface, data acquisition system, data reduction, analysis and visualization tools.
However, since TAKUMI adopted the event data recording method, the data could be re-manipulated to be data per channel and could be plotted as a 2-D diffraction pattern shown in Fig. 7 (right).
Time focusing manipulation was not performed to the 2-D diffraction pattern data.
Since TAKUMI adopted the event data recording method, the data could be time-sliced during measurement or after the measurement.
Online since: June 2015
Authors: Oleg Kuzichkin, Artem Bykov, Nikolay Dorofeev
The Resistive-Acoustic Method of Monitoring Industrial Sludge Plume
Bykov Artem1,a , Kuzichkin Oleg 1,b, Dorofeev Nikolay 1, с
1 Murom Institute of Vladimir State University, Murom, Russia
aemail: bykov_a_a@list.ru, bemail: electron@mivlgu.ru, сemail: itpu@mivlgu.ru
Keywords: geodynamics, a geoelectric method, seismic monitoring system, data processing algorithms, mathematical modeling, spectral analysis.
The main reason of using indirect geophysical methods for industrial oil spill monitoring is inability to obtain a sufficient amount of qualitative data by external examination, as well as the difficulty of operational control drilling under the sites.
The primary and secondary electromagnetic fields are vector values, which allows spatial vector information processing of detected electromagnetic data and simplifies test results interpretation of oil sludge plume formation [18].
Proceedings of the thе 2013 IEEE 7-th International Conference on Intelligent Data Acquisition and Advanced Computing Systems (IDAACS) IDAACS’2013.
Chaykovskay, Spectral processing of the spatial data at geoelectrical monitoring, IEEE ICMT 2011, Hangzhou, China, 765-768
The main reason of using indirect geophysical methods for industrial oil spill monitoring is inability to obtain a sufficient amount of qualitative data by external examination, as well as the difficulty of operational control drilling under the sites.
The primary and secondary electromagnetic fields are vector values, which allows spatial vector information processing of detected electromagnetic data and simplifies test results interpretation of oil sludge plume formation [18].
Proceedings of the thе 2013 IEEE 7-th International Conference on Intelligent Data Acquisition and Advanced Computing Systems (IDAACS) IDAACS’2013.
Chaykovskay, Spectral processing of the spatial data at geoelectrical monitoring, IEEE ICMT 2011, Hangzhou, China, 765-768
Online since: February 2011
Authors: Jian Ming Cui
From the data flow direction perspective, can be divided two broad categories data flow as follows: within the family and the family home outside.
The flow of data outside the family including home appliances remote control, media data sharing between homes, the three Meters(water ,electronic, gas) away copy, telemedicine, security and management of property outside the flow of data; The flow of data within the family, including transfer of DV, DVD, TV and other media equipment resources within the family, the terminal of intelligent control within the family, light automatic adjustment within the family section, curtains automatically open, and the flow of data within the family and et. .
The development state of now home network is: Whether the flow of data within the family or the family Application of the flow of data using an independent external IP address of the IPv4 technology, independent of the data channel is more difficult to realize there are bottlenecks.
In theory, every IPv6 home appliances can exchange any form data with any other IPv6 Internet hosts or other IPv6 home appliances.
With development the application of information appliances and home network, and raise in the level of family networks widespread, more and more vendors would developed information appliances with the network interface chip to support IPv6, this family visit to the sharing media data will become more easy and popular.
The flow of data outside the family including home appliances remote control, media data sharing between homes, the three Meters(water ,electronic, gas) away copy, telemedicine, security and management of property outside the flow of data; The flow of data within the family, including transfer of DV, DVD, TV and other media equipment resources within the family, the terminal of intelligent control within the family, light automatic adjustment within the family section, curtains automatically open, and the flow of data within the family and et. .
The development state of now home network is: Whether the flow of data within the family or the family Application of the flow of data using an independent external IP address of the IPv4 technology, independent of the data channel is more difficult to realize there are bottlenecks.
In theory, every IPv6 home appliances can exchange any form data with any other IPv6 Internet hosts or other IPv6 home appliances.
With development the application of information appliances and home network, and raise in the level of family networks widespread, more and more vendors would developed information appliances with the network interface chip to support IPv6, this family visit to the sharing media data will become more easy and popular.
Online since: July 2011
Authors: Xiao Hui Wang, Hui Ding
Data determined by EDS suggest that values of Zn loading on the surface are higher than those on relevant bulk.
Reduction of both pore volumes and surface areas indicated the increasing covering of surface area by ZnO located on free surface and interparticle voids of the support.
Desulphurization activity The data of the breakthrough capacities of SZ are reported in Table 3.
A strong increase was observed in desulphurization capacity about 177.3 mg S/g for SZ-5, which is accompanied with a large reduction in mesopore volume due to the successive formation of a crystal phase.
Siemieniewska, Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity.
Reduction of both pore volumes and surface areas indicated the increasing covering of surface area by ZnO located on free surface and interparticle voids of the support.
Desulphurization activity The data of the breakthrough capacities of SZ are reported in Table 3.
A strong increase was observed in desulphurization capacity about 177.3 mg S/g for SZ-5, which is accompanied with a large reduction in mesopore volume due to the successive formation of a crystal phase.
Siemieniewska, Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity.