Study of Pneumatic Processes in the Continuous Control of Motion With Compressed Air—II

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Abstract
The results of analytical and experimental work reported in Part I (Paper No. 55—IRD-4) are employed in the analysis of a valve, ram, and mass-load system. This complete servomotor system is analyzed for its response to small changes of valve opening and to changes of external load force, and a simple electronic analog of the system is used to study means of providing adequate system damping. The results indicate that connecting a flow resistance and tank of suitable size to each end of the ram permits a stabilizing transient flow to each of the tanks when the ram pressures are changing rapidly. Design charts provide means of quickly finding the roots of the third-order characteristic equation for the system with transient-flow stabilization.

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