Page 370 - Modern Control Systems
P. 370
344 Chapter 5 The Performance of Feedback Control Systems
Disturbance
Telescope
Amplifier dynamics
R(s)
Comnii L^^Q" > K t,- . 1
• >
L .V"
K vv
(a)
r (/(.v)
G(.9)
~N £«W. +r 1
R(s) A:
P ^ t- .v(.v + *,)
(b)
(c)
FIGURE 5.34
(a) The Hubble
telescope pointing
system, (b) reduced
block diagram,
(c) system design,
and (d) system
response to a unit
step input
command and a
unit step
disturbance input. (d)
