classical control 5, 21 <1> <2>
closed loop. See feedback
connection
    feedback 13
    parallel 55
    series 16
covariance
    error 57, 61 <1> <2>

design
    classical 5, 21 <1> <2>
    Kalman estimator 37, 58 <1> <2> <3>
    LQG 32
    regulators 32
    robustness 29
    root locus 10, 25 <1> <2>
discrete-time models
    control design 21
    Kalman estimator 51
discretization 22

error covariance 57, 61 <1> <2>

feedback 13
filtering. See Kalman estimator

gain margins 29

Kalman
    filtering 51
Kalman estimator
    continuous 37
    discrete 51
    time-varying 58

LQG (linear quadratic-gaussian) method
    continuous LQ regulator 37
    cost function 37
    design 32, 47 <1> <2>
    LQ-optimal gain 37
    regulator 32

margins, gain and phase 29
model building
    feedback connection 13
    parallel connection 55
    series connection 16

parallel connection 55
phase margins 29

regulation 32
robustness 29
root locus
    design 10, 25 <1> <2>
    See also Root Locus Design GUI

series connection 16

time-varying Kalman filter 58

zero-order hold (ZOH) 22