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Simplified Analysis of a Gas Powered Servo Actuator
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English
Abstract
Historically, gas powered servo actuator analysis has been complex. A linearized analysis approach is outlined for use in solving preliminary dynamic design problems.
The simplified mathematical description is developed and illustrated to describe the inherent characteristics and limitations of the basic valve and actuator. The type of valve can be selected for the model by assigning appropriate values for port underlap and area gains. Inertial, spring and viscous friction loads can be examined separately or in any combination. The dynamics of a specific design condition can be estimated by use of the model to determine applicability, then related sizes form the basis for system weight estimates.
Authors
Citation
Huber, R., "Simplified Analysis of a Gas Powered Servo Actuator," SAE Technical Paper 650353, 1965, https://doi.org/10.4271/650353.Also In
References
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- Shearer J. L. “Study of Pneumatic Processes in the Continuous Control of Motion With Compressed Air-H” Transactions of the ASME Feb 1956 243 249
- Gerhard Reethof “Analysis and Design of a Servomotor Operating on High-Pressure Compressed Gas” Transactions of the ASME May 1957 875 885
- Newman A. Hall “Thermodynamics of Fluid Flow” Prentice-Hall 1957
- Stenning A. H. “An Experimental Study of Two Dimensional gas Flow Through Valve Type Orifices” ASME Paper No. 54-A-45 Dec 1954
- Perry J.A. Jr. “Critical Flow Through Sharp-Edged Orifices” Transactions of the ASME Oct 1949 757 764