Speed estimation observer applied to speed control system for mo

Details Speed estimation observer applied to speed control system for mo Speed estimation observer applied to speed control system for mo

1994-10-21

1996-05-28

Martin, David S.

Electricity: motive power systems

Positional servo systems

With compensating features

318601, 318432, 388813, 388902, 388930, G05D 23275

Patent

active

055214819

ABSTRACT:
A speed estimation observer for a motor control system outputs a motor speed estimate in a motor speed control system upon receiving a torque command and an averaged motor speed value. The speed estimation observer includes a time lag correction value calculating block for implementing a correction of a model output speed estimate. Therefore, the accuracy and stability of the speed estimation are improved, and the control system keeps the stability in a speed range of low to high speed and ensures the disturbance suppressing effect in a high speed range.

REFERENCES:
patent: 4680518 (1987-07-01), Kurakake et al
patent: 4816734 (1989-03-01), Kurakake et al.
patent: 5325460 (1994-06-01), Yamada et al.
patent: 5341078 (1994-09-01), Torii et al.
patent: 5371449 (1994-12-01), Tajima et al.
Patent Abstract of Japan, Tsutomu OMAE, "Speed Controller of Motor", Japanese 6-30984, Feb. 13, 1986.

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