Method of feedforward control for servomotor

Details Method of feedforward control for servomotor Method of feedforward control for servomotor

1995-09-25

1997-08-05

Masih, Karen

Electricity: motive power systems

Positional servo systems

'sampling' systems including miscellaneous 'sampled data'...

318610, 318609, 318560, 388800, 364148, G05B 2102

Patent

active

056546190

ABSTRACT:
A control method of a servomotor, such that a moving command for position-velocity processing, which is executed in every sampling period obtained by dividing a distribution period of moving commands into N units of equal parts, is determined from the above described moving commands of the distribution period. A velocity compensatory component is obtained on the basis of a moving command in a distribution period preceding by one period the present distribution period and is added to a velocity command, and an acceleration compensatory component obtained on the basis of a moving command preceding the time of the present position-velocity loop processing is added to a torque command, so that the phase of acceleration compensatory data is advanced from that of velocity compensatory data in feedforward operations.

REFERENCES:
patent: 4802777 (1989-02-01), Yamada
patent: 5393087 (1995-02-01), Taniguchi et al.

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