Dynamics of a cascade pneumatic sensor for length measurements

Andrzej Cellary; Czeslaw Janusz Jermak

doi:10.1117/12.266719

13 February 1997 Dynamics of a cascade pneumatic sensor for length measurements

Andrzej Cellary, Czeslaw Janusz Jermak

Proceedings Volume 3054, Optoelectronic and Electronic Sensors II; (1997) https://doi.org/10.1117/12.266719
Event: Optoelectronic and Electronic Sensors II, 1996, Szczyrk, Poland

Abstract

The results of the investigation and theoretical analysis of the simple pneumatic sensor's dynamics in conditions of the step-changed length of the detail are presented. The mathematical model taking into account actual losses of the flow and adiabatic changes of the air in the measuring chamber was worked out. For the sensors with inlet and measuring nozzles d_w and d_p from 1 to 2 mm and the volume of the measuring chamber V_k equals 4 cm³ the setting time t_0,95 is 12 to 45 ms, that enables to apply these sensors in the preventive inspection systems.

Citation Download Citation

Andrzej Cellary and Czeslaw Janusz Jermak "Dynamics of a cascade pneumatic sensor for length measurements", Proc. SPIE 3054, Optoelectronic and Electronic Sensors II, (13 February 1997); https://doi.org/10.1117/12.266719

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