Abstract
The digraph approach is a graphical approach to analysis and design of control systems. Its objective is to reveal generic properties of state space models. The approach is based on a mapping of the state space equations into a directed graph and system properties are expressed as properties of the graph. The structural concepts of path, cycle, and cycle family underlie familiar concepts like controllability characteristic polynomial transfer functions and pole assignability. the digraph approach is easy to learn because it is inherently graphical.
Published Version
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