13 May 2013 Imaging sensor for monitoring of the piston mechanism in cylindrical valves
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Abstract
Piston-cylinder assemblies are used in various actuator applications in all branches of industry, such as construction technology. It is often important for the operator to know the condition of the piston rod in the pressure-operated cylinder. A large number of operating cycles by this piston can lead to premature failure and breakage of the entire cylinder; this is conditioned by a high chance of splitting of the piston rod due to its elongation during the operating process. Therefore, it is necessary to know their operating lifetimes, for which purpose endurance tests are conducted. Since the pistons are located in hard-to-reach place, monitoring their operation via the contact method while there are in motion is not considered possible. In such situations, a non-contact method is used to monitor to moving parts, which is conducted on the basis of imaging sensors. The authors of this article have developed a new system for conducting endurance test on piston mechanism in a cylindrical valve. This system makes it possible to observe the shift of the reciprocating piston in real time, automate the process of recording data and promptly and accurately measure the parameters of the shift of the piston via a non-contact method and increase the reliability of the data received.
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Ekaterina N. Pantiushina, Ekaterina N. Pantiushina, Alexey A. Gorbachev, Alexey A. Gorbachev, } "Imaging sensor for monitoring of the piston mechanism in cylindrical valves", Proc. SPIE 8788, Optical Measurement Systems for Industrial Inspection VIII, 878824 (13 May 2013); doi: 10.1117/12.2020404; https://doi.org/10.1117/12.2020404
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