Title:
SERVO CONTROLLER AND SERVO CONTROL METHOD
Document Type and Number:
Japanese Patent JP3298329
Kind Code:
B2
Abstract:
PURPOSE: To improve the response characteristic of a servo controller having an integration term in its velocity control loop, by eliminating in the start time of a servomotor its followup delay generated between the input time of its positional-command signal and the start time of the rotation of the servomotor, or to improve the accuracy of its alignment, by eliminating in the stop time of the servomotor its overshoot generated during its alignment time.
CONSTITUTION: A positional-command state sensing part 39a senses a positional- command signal Ec generated at a predetermined period. By the receiving of a signal E91 generated from the part 39a, a corrective-direction command issuing part 39b determines the correction of an accelerating or decelerating direction. Both by a corrective-timing command E94 generated from a corrective- timing command issuing part 39c and by a corrective-quantity command E92 generated from a corrective-quantity command issuing part 39d, a correction executing part 39e applies a predetermined corrective quantity to a delaying element 5 configuring an integrator present in a velocity controlling loop, at a predetermined timing and in the accelerating or decelerating direction.
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| JPS55166710 | NUMERICAL CONTROL SYSTEM |
Inventors:
Keiichi Murakami
Application Number:
JP23751394A
Publication Date:
July 02, 2002
Filing Date:
September 30, 1994
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G05B19/18; G05B19/404; H02P3/06; H02P29/00; (IPC1-7): H02P5/00; G05B19/18; H02P3/06
Domestic Patent References:
| JP6121570A | ||||
| JP6113579A | ||||
| JP6189575A |
Attorney, Agent or Firm:
Kaneo Miyata (1 person outside)