User`s guide
Table Of Contents
- Preface
- Quick Start
- LTI Models
- Introduction
- Creating LTI Models
- LTI Properties
- Model Conversion
- Time Delays
- Simulink Block for LTI Systems
- References
- Operations on LTI Models
- Arrays of LTI Models
- Model Analysis Tools
- The LTI Viewer
- Introduction
- Getting Started Using the LTI Viewer: An Example
- The LTI Viewer Menus
- The Right-Click Menus
- The LTI Viewer Tools Menu
- Simulink LTI Viewer
- Control Design Tools
- The Root Locus Design GUI
- Introduction
- A Servomechanism Example
- Controller Design Using the Root Locus Design GUI
- Additional Root Locus Design GUI Features
- References
- Design Case Studies
- Reliable Computations
- Reference
- Category Tables
- acker
- append
- augstate
- balreal
- bode
- c2d
- canon
- care
- chgunits
- connect
- covar
- ctrb
- ctrbf
- d2c
- d2d
- damp
- dare
- dcgain
- delay2z
- dlqr
- dlyap
- drmodel, drss
- dsort
- dss
- dssdata
- esort
- estim
- evalfr
- feedback
- filt
- frd
- frdata
- freqresp
- gensig
- get
- gram
- hasdelay
- impulse
- initial
- inv
- isct, isdt
- isempty
- isproper
- issiso
- kalman
- kalmd
- lft
- lqgreg
- lqr
- lqrd
- lqry
- lsim
- ltiview
- lyap
- margin
- minreal
- modred
- ndims
- ngrid
- nichols
- norm
- nyquist
- obsv
- obsvf
- ord2
- pade
- parallel
- place
- pole
- pzmap
- reg
- reshape
- rlocfind
- rlocus
- rltool
- rmodel, rss
- series
- set
- sgrid
- sigma
- size
- sminreal
- ss
- ss2ss
- ssbal
- ssdata
- stack
- step
- tf
- tfdata
- totaldelay
- zero
- zgrid
- zpk
- zpkdata
- Index

connect
11-38
You can obtain a state-space model for the overall interconnection by typing
sysc = connect(sys,Q,inputs,outputs)
a =
x1 x2 x3 x4
x1 -5 0 0 0
x2 0.84223 0.076636 5.6007 0.47644
x3 -2.9012 -33.029 45.164 -1.6411
x4 0.65708 -11.996 16.06 -1.6283
b =
uc u1
x1 4 0
x2 0 -0.076001
x3 0 -1.5011
x4 0 -0.57391
c =
x1 x2 x3 x4
y1 -0.22148 -5.6818 5.6568 -0.12529
y2 0.46463 -8.4826 11.356 0.26283
d =
uc u1
y1 0 -0.66204
y2 0 -0.40582
Continuous-time system.
Note that the inputs and outputs are as desired.
See Also append Append LTI systems
feedback Feedback connection
minreal Minimal state-space realization
parallel Paral lel connection
series Series connection