scholarly journals Closed Loop Control of Penetration Depth during CO2 Laser Lap Welding Processes

Sensors ◽  
2012 ◽  
Vol 12 (8) ◽  
pp. 11077-11090 ◽  
Author(s):  
Teresa Sibillano ◽  
Domenico Rizzi ◽  
Francesco P. Mezzapesa ◽  
Pietro Mario Lugarà ◽  
Ali Riza Konuk ◽  
...  
Keyword(s):  
Penetration Depth ◽  
Co2 Laser ◽  
Closed Loop ◽  
Closed Loop Control ◽  
Loop Control ◽  
Laser Lap Welding ◽  
Lap Welding ◽  
Welding Processes

scholarly journals Spectroscopic closed loop control of penetration depth in laser beam welding process

2012 ◽  
Author(s):  
Teresa Sibillano ◽  
Antonio Ancona ◽  
Domenico Rizzi ◽  
Francesco Mezzapesa ◽  
Ali Riza Konuk ◽  
...  
Keyword(s):  
Laser Beam ◽  
Penetration Depth ◽  
Closed Loop ◽  
Laser Beam Welding ◽  
Welding Process ◽  
Closed Loop Control ◽  
Loop Control

scholarly journals Closed-loop Control of Laser Power using the Full Penetration Hole Image Feature in Aluminum Welding Processes

2011 ◽  
Vol 12 ◽  
pp. 720-729 ◽  
Author(s):  
A. Blug ◽  
D. Carl ◽  
H. Höfler ◽  
F. Abt ◽  
A. Heider ◽  
...  
Keyword(s):  
Laser Power ◽  
Closed Loop ◽  
Image Feature ◽  
Closed Loop Control ◽  
Loop Control ◽  
Full Penetration ◽  
Welding Processes

Development of closed‐loop control of robotic welding processes

2005 ◽  
Vol 32 (4) ◽  
pp. 350-355 ◽  
Author(s):  
John P.H. Steele ◽  
Chris Mnich ◽  
Chris Debrunner ◽  
Tyrone Vincent ◽  
Stephen Liu
Keyword(s):  
Closed Loop ◽  
Closed Loop Control ◽  
Robotic Welding ◽  
Loop Control ◽  
Welding Processes

The Impact of Visual Feedback Type on the Mastery of Visuo-Motor Transformations

2012 ◽  
Vol 220 (1) ◽  
pp. 3-9 ◽  
Author(s):  
Sandra Sülzenbrück
Keyword(s):  
Empirical Research ◽  
Visual Feedback ◽  
Closed Loop ◽  
Motor Planning ◽  
Visual Input ◽  
Closed Loop Control ◽  
Loop Control ◽  
Feedback Type ◽  
Effective Use ◽  
The Impact

For the effective use of modern tools, the inherent visuo-motor transformation needs to be mastered. The successful adjustment to and learning of these transformations crucially depends on practice conditions, particularly on the type of visual feedback during practice. Here, a review about empirical research exploring the influence of continuous and terminal visual feedback during practice on the mastery of visuo-motor transformations is provided. Two studies investigating the impact of the type of visual feedback on either direction-dependent visuo-motor gains or the complex visuo-motor transformation of a virtual two-sided lever are presented in more detail. The findings of these studies indicate that the continuous availability of visual feedback supports performance when closed-loop control is possible, but impairs performance when visual input is no longer available. Different approaches to explain these performance differences due to the type of visual feedback during practice are considered. For example, these differences could reflect a process of re-optimization of motor planning in a novel environment or represent effects of the specificity of practice. Furthermore, differences in the allocation of attention during movements with terminal and continuous visual feedback could account for the observed differences.

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