Procedure for the tuning of the position controller of an elevat

Details Procedure for the tuning of the position controller of an elevat Procedure for the tuning of the position controller of an elevat

1989-02-15

1990-07-10

Leung, Philip H.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187113, B66B 134

Patent

active

049401173

ABSTRACT:
A procedure for the tuning of a position controller of an elevator is disclosed wherein an artificial excitation signal is input to the elevator drive system, the response corresponding to the excitation is measured, a mathematical model of the elevator system is calculated, the behavior of the elevator system is simulated, control parameter values minimizing the difference between the target position values and the actual position values are found, individual differences in the vicinity of the ultimate target position are weighted by a large factor, the position control parameter values are reset to optimized values, a real excitation signal is input to the elevator drive system, the model parameters are calculated again, and the above sequence of operations is repeated until the model parameter values and the control parameter values converge.

REFERENCES:
patent: 4256203 (1981-03-01), Masel
patent: 4337847 (1982-07-01), Schroder et al.
patent: 4367811 (1983-01-01), Yoneda et al.
patent: 4493399 (1985-01-01), Kajiyama
patent: 4700810 (1987-10-01), Otala

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