state variable

2. The Pictorial representation of the state model of the system
5. the condition of a system at any time instant, t.
7. x = Ax + Bu, y = Cx + Du
9. if it is possible to transfer the system state from any initial state X( t0)at any other desired state X(t),in specified finite time by a control vector U( t ).
10. A device (or a computer program) that estimates or observes the state variables
13. modern approach for design and analysis of dynamic system.
15. (nx1)column matrix (or vector)whose elements are state variables of the system,(where n is the order of the system).

1. particular state variables which are obtained from one of the system variable and its derivatives.
3. The process of converting the system matrix A in to a diagonal matrix by a similarity transformation using the modal matrix M.
4. each of a set of values of a parameter for which a differential equation has a non-zero solution (an eigen function) under given conditions.
6. A set of variable which describes the state of the system at any time instant.
8. the ratio of laplace transform of output to laplace transform of input.
11. if every state X(t) can be completely identified by measurements of the output Y(t)over a finite time interval.
12. a control system design technique ,in which the state variables are used for feedback to achieve the desired closed loop poles.
14. If the system matrix, A is in the form of diagonal matrix then the state model is called ..............