5-30
5
5.
Manual Gain Tuning (Application)
Adjustment
Disturbance observer
Outline
7KLVIXQFWLRQXVHVWKHGLVWXUEDQFHWRUTXHGHWHUPLQHGE\WKHGLVWXUEDQFHREVHUYHUWRUH-
GXFHHIIHFWRIGLVWXUEDQFHWRUTXHDQGYLEUDWLRQ
Applicable Range
7KLVIXQFWLRQFDQEHDSSOLFDEOHRQO\ZKHQWKHIROORZLQJFRQGLWLRQVDUHVDWLVÀHG
Conditions under which the disturbance observer is activated
Control mode
&RQWUROPRGHWREHHLWKHURUERWKSRVLWLRQFRQWURORUDQGYHORFLW\FRQWURO
3U 3RVLWLRQFRQWURO
3U 9HORFLW\FRQWURO
Others
6KRXOGEHLQVHUYRRQFRQGLWLRQ
,QSXWVLJQDOV VXFKDV WKHGHYLDWLRQFRXQWHUFOHDUDQGFRPPDQG LQSXW
LQKLELWDQGSDUDPHWHUVH[FHSWIRUFRQWUROVVXFKDVWRUTXHOLPLWVHWXSDUH
FRUUHFWO\VHWDVVXULQJWKDWWKHPRWRUFDQUXQVPRRWKO\
5HDOWLPHDXWRWXQLQJVKRXOGEHGLVDEOHG3U
,QVWDQWDQHRXVVSHHGREVHUYHUVKRXOGEHGLVDEOHG3UELW
Caution
(IIHFWPD\QRWEHH[SHFWHGLQWKHIROORZLQJFRQGLWLRQ
Conditions which obstruct disturbance observer action
Load
5HVRQDQW IUHTXHQF\LVORZHUWKDQWKHFXWRIIIUHTXHQF\ HVWLPDWHGE\ WKH
GLVWXUEDQFHREVHUYHU
'LVWXUEDQFHWRUTXHFRQWDLQVPDQ\KLJKIUHTXHQF\FRPSRQHQWV
Disturbance observer
Estimated disturbance torque value
Motor speed
Added in the direction to
cancel the disturbance
Motor + load
Load model
+
+
+
+
–
–
Disturbance torque
Torque command
Torque command
Gain
Filter
Set in Pr6.23
Set in Pr6.24
Related page
33´'HWDLOVRISDUDPHWHUµ
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com