-
A linear time-invariant system describd by the state variable model

X1̇ 
= 
-1 0 

X1 
+ 
0 
u = [ 1 2 ] 
X1 
X2̇ 0 -2 X2 1 X2
-
- is completely controllable
- is not completely controllable
- is completely observable
- is not completely observable
- Both B and C options
Correct Option: E
The linear time-invariant system:
![]() | X1̇ | ![]() | = | ![]() | -1 | ![]() | ![]() | X1 | ![]() | + | ![]() | 1 | ![]() | u | = [ 1 2 ] | ![]() | X1 | ![]() | |||
| X2̇ | 1 | -2 | X2 | 0 | X2 |
| A = | ![]() | -1 | ![]() | , B = | ![]() | ![]() | , C = [1 2] | ||||
| 1 | 1 |
| [B AB] = | ![]() | ![]() | = |B AB| = 0 | ||||
Hence not completely controllable
| [CT ATCT] = | ![]() | ![]() | |||||
[CT ATCT] ≠ 0
Hence observable.