Key Technologies of the Embedded Deformation Measuring Control System Based on SOPC

2014 ◽  
Vol 644-650 ◽  
pp. 773-776
Author(s):  
Qiu Hong Song
Keyword(s):  
Deformation Measurement ◽  
Control Mode ◽  
Precision Engineering ◽  
Automatic Data ◽  
Industrial Buildings ◽  
The Status ◽  
Rock Mass Deformation ◽  
Crust Deformation ◽  
Measuring Control ◽  
Automatic Data Acquisition

Deformation measurement is an important content of engineering surveying and the main objects of the deformation measurement are civilians, industrial buildings, precision engineering, large dam, bridge and the earth's crust deformation of rock mass. Deformation measurement aims to obtain the deformation data in the process of displacement deformation, and to get the deformation of the status, trend and possible results through the analysis of these data. The existing automatable solution for measuring the deformation all adopt the 3-dimension displacement test, which based on high precision total station, unattended, automatic data acquisition and transmission control mode.

Automatic data acquisition using a kinematic surveying system

1995 ◽  
Author(s):  
Christian Hock ◽  
W. Caspary ◽  
H. Heister ◽  
J. Klemm ◽  
H. Sternberg
Keyword(s):  
Data Acquisition ◽  
Automatic Data ◽  
Automatic Data Acquisition

The Dangerous Rock Mass Deformation Analysis with Application of Kalman Filter Method Based on Material Properties and AR Model

2013 ◽  
Vol 738 ◽  
pp. 109-112
Author(s):  
Fu Min Lu ◽  
Ting Yao Jiang
Keyword(s):  
Kalman Filter ◽  
Rock Mass ◽  
Ar Model ◽  
Deformation Analysis ◽  
Filter Method ◽  
The Status ◽  
Rock Mass Deformation ◽  
Kalman Filter Method ◽  
Mass Deformation ◽  
Dangerous Rock Mass

Considering the material property of the rock to the dangerous rock mass,the paper Looks the model parameter of AR( 1) model as the status vector, and uses Kalman filter method to analysis the deformation of the dangerous rock mass. The result shows that the method can improve the accuracy of fitting and forecasting of the model.

An Analysis of the Shape and Propagation of Waves on the Flagellum of Crithidia Oncopelti

1979 ◽  
Vol 80 (1) ◽  
pp. 299-315
Author(s):  
D. N. JOHNSTON ◽  
N. R. SILVESTER ◽  
M. E. J. HOLWILL
Keyword(s):  
Back Projection ◽  
Active Process ◽  
Automatic Data ◽  
Circular Arcs ◽  
Fourier Series Method ◽  
Dark Ground ◽  
Propagation Of Waves ◽  
Straight Lines ◽  
Best Fit ◽  
Automatic Data Acquisition

Ciné micrographs were taken of the flagellated protozoan Crithidia oncopelti under dark-ground illumination. Coordinates of images of the flagella were obtained from the ciné frames by back-projection and automatic data acquisition. The flagellar waveforms of proximally directed waves were characterized using a Fourier-series method and compared by this means with a number of analytical curves. The shape of a wave remained constant as it was propagated and, of the curves suggested, a wave consisting of circular arcs connected by straight lines gave the best fit. The variation of bend curvature as bends moved along the flagellum was also found, for both proximally and distally directed waves. The wavelengths and speeds of proximally directed waves increased linearly with distance as they approached the base of the flagellum, while in distally directed bends the curvature remained constant but the velocity increased as bends moved away from the base. Causes of the above behaviour are discussed and it is concluded from the variation of curvature with time for proximally directed flagellar waves that unbending must be an active process.

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