CD Continuous Lyapunov Equations VI
Owning Palette: Solvers VIs
Installed With: Control Design and Simulation Module
Calculates the matrix X that solves the following continuous Lyapunov equation:
AX+XB = –Q
 Place on the block diagram | Find on the Functions palette |
 | A specifies an n x n state matrix, where n is the number of states. | ||||||
| B specifies an n x m input matrix, where m is the number of inputs. The default value is the transpose of A. | ||||||
| Q specifies the state weight matrix. Q must be symmetric and positive semi-definite. | ||||||
 | error in describes error conditions that occur before this VI or function runs.
The default is no error. If an error occurred before this VI or function runs, the VI or function passes the error in value to error out. This VI or function runs normally only if no error occurred before this VI or function runs. If an error occurs while this VI or function runs, it runs normally and sets its own error status in error out. Use the Simple Error Handler or General Error Handler VIs to display the description of the error code.
Use exception control to treat what is normally an error as no error or to treat a warning as an error.
Use error in and error out to check errors and to specify execution order by wiring error out from one node to error in of the next node.
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 | Lyapunov Solution (X) returns the solution to the Lyapunov equation. | ||||||
 | error out contains error information. If error in indicates that an error occurred before this VI or function ran, error out contains the same error information. Otherwise, it describes the error status that this VI or function produces.
Right-click the error out front panel indicator and select Explain Error from the shortcut menu for more information about the error.
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