Servo control system for a reciprocating piston respirator
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United States of America Patent
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Oct 14, 1986
Grant Date -
N/A
app pub date -
Jul 9, 1985
filing date -
Jul 9, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A control system for moving a piston in a reciprocating piston respirator which utilizes predictive servo control techniques. Present invention uses nonlinear time domain analysis rather than linear frequency domain analysis to produce a predictive servo control system for precisely controlling the movement of a piston in a reciprocating piston respirator. A plurality of flow profiles can be produced using stored factor tables. Current pressure and position information are used in the predictive servo control system.
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