Automatic temperature and humidity regulation – Ventilator type – Electrically actuated
Patent
1994-07-21
1995-09-19
Wayner, William E.
Automatic temperature and humidity regulation
Ventilator type
Electrically actuated
236 78D, 454258, F24F 700
Patent
active
054509998
ABSTRACT:
A controller for a variable air volume terminal of a variable air volume air conditioning system which comprises a temperature sensing circuitry for generating a temperature process value, a setpoint determining circuitry for establishing a temperature setpoint, an airflow signal circuitry for generating an airflow setpoint in response to the temperature process value and the temperature setpoint. A flow sensing circuitry for generating a flow process value in response to a predetermined set of flow sensing inputs and damper control circuitry for generating a damper motor operation signal to control the damper motor in response to the flow process value and the airflow setpoint. The damper control circuitry comprises a fuzzy logic control mechanism for implementing a set of fuzzy logic rule-based instructions in generating the damper motor operating signal.
REFERENCES:
patent: 5148977 (1992-09-01), Hibino et al.
patent: 5344069 (1994-09-01), Narikiyo
patent: 5344070 (1994-09-01), Akasaka et al.
Scholten Anno J.
Scholten Jean H. A.
EMS Control Systems International
Wayner William E.
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