System for monitoring expansion valve

Details System for monitoring expansion valve System for monitoring expansion valve

1997-06-06

1998-08-11

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

236 78D, 395 21, G06E 100, F25B 4100

Patent

active

057911550

ABSTRACT:
A monitoring system for a heating or cooling system includes a neural network for computing the status of one or more expansion valves within the system. The neural network is trained to learn certain characteristics of the heating or cooling system during a development mode of operation. The thus trained neural network timely computes the status of the one or more expansion valves during a run time mode of operation. Information as to the status of the one or more expansion valves is made available for real time assessment during the run time mode of operation.

REFERENCES:
patent: 4660386 (1987-04-01), Hansen et al.
patent: 5260526 (1993-11-01), Sirag
patent: 5333240 (1994-07-01), Matsumoto et al.
patent: 5372015 (1994-12-01), Suzuki et al.
patent: 5598076 (1997-01-01), Neubauer et al.

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