Active control of machine performance
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United States of America Patent
Stats
-
Jul 11, 1995
Grant Date -
N/A
app pub date -
Aug 20, 1992
filing date -
Feb 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A control system is described for improving continuous dynamical control on the pressure in the outlet or inlet system (3) or both of a machine (1) in order to control the performance of the machine. The system comprises an actuator (4) for varying the pressure in the selected system, a sensor (8) for monitoring the operation of the machine and producing a signal indicative thereof, and control means (5) responsive to the sensor signals for driving the actuator, wherein the control means operates to adjust the machine performance according to predetermined data, to optimise the machine performance. The data may be in a memory (look-up table) or the control means may operate in accordance with an algorithm. A second sensor may be provided to generate a signal indicative of sound produced by one or other or both of the outlet and inlet systems to produce signals to enable the control means simultaneously to reduce noise generated by the machine as well as to improve the performance of the machine by active feedback.
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