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11-4-4 Velocity observer
(1) Outline
Instantaneous speed observer is a function in which the speed detection accuracy is increased
by estimating motor speed using a load model to increase the response performance and to
reduce the vibration after a stop.
Speed
command
Speed estimate
value
To position
control
(2) Applicable range
-
This function is applicable under the following condition.
Control mode
Encoder
A4P
Torque
command
Speed
control
Velocity
observer
Load model
position
Servo amplifier
Conditions under which the velocity observer functions
Servo parameter No.02=0: Position control
- In the case of 7-core absolute encoder only
MOTOR COMPANY, MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD
Motor
current
Current
control
(
Total inertia)
Motor
No. SR-DSV09485
Motor
Load
Encoder
- 110 -
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