초록 ▼

A control apparatus for hydraulic elevators, including: a flow control valve for controlling the amount of oil in a hydraulic jack; a sensor device for detecting at least one of oil temperature and load pressure and producing corresponding input data; a correcting rule storing device for storing cor

A control apparatus for hydraulic elevators, including: a flow control valve for controlling the amount of oil in a hydraulic jack; a sensor device for detecting at least one of oil temperature and load pressure and producing corresponding input data; a correcting rule storing device for storing correcting rules of control instruction values corresponding to input data from the sensor device; a fuzzy reasoning processor for calculating control instruction values as fuzzy values from the input data and the correcting rules; a speed pattern correcting circuit for correcting the control instruction values based on the fuzzy values calculated by the fuzzy reasoning processor; and a speed controlling device for supplying the corrected control instruction values to the valve.

대표청구항 ▼

A control apparatus for hydraulic elevators, comprising; a flow control valve responsive to signals input thereto for controlling the amount of oil in a hydraulic jack; sensor means for detecting at least one of oil temperature and load pressure and producing corresponding input data; correcting rul

A control apparatus for hydraulic elevators, comprising; a flow control valve responsive to signals input thereto for controlling the amount of oil in a hydraulic jack; sensor means for detecting at least one of oil temperature and load pressure and producing corresponding input data; correcting rule storing means for storing correcting rules of control instruction values corresponding to input data from said sensor means; fuzzy reasoning means, connected to said sensor means and said correcting rule storing means, for calculating control instruction values as fuzzy values from said input data nd said correcting rules; speed pattern correcting means, connected to said fuzzy reasoning means, for correcting said control instruction values based on said fuzzy values calculated by said fuzzy reasoning means; speed controlling means for receiving said corrected control instruction values and for supplying said corrected control instruction values to said valve; speed detector means for detecting actual elevator speed; and learning means for updating said correcting rules based on a comparison of said corrected control instruction values with said actual elevator speed; wherein said learning means comprises: means for obtaining speed data, acceleration data, and deceleration data over a predetermined interval; means for determining respective averages of said speed data, acceleration data and said deceleration data; means for determining respective differences between said average speed and a speed reference value, said average acceleration and an acceleration reference value, and said average deceleration and a deceleration reference value; means for determining second control instruction values using said control instruction values, said difference values, said speed data, said acceleration data and said deceleration data; and means for exponentially smoothing said second control instruction values and storing exponentially smoothed instruction values.