STATIC ERROR
COEFFICIENT METHOD
RAMP INPUT
❑ Reference input is ramp of magnitude ‘A’:
=
2
( )
= lim
→0 1 + ( )
( )
2
= lim
→0 1 + ( )
= lim
→0 [1 + ]
= lim
→0 + ]
=
lim ( )
→0
❑ Kv = ( ) = Velocity Error Coefficient
→
❑ The corresponding error is:
=
55