Interactive Software for Dynamic System Modeling Using Linear Graphs

William K. Durfee; Matthew B. Wall; Derek Rowell; Freel K. Abbott

doi:10.1109/37.88595

Interactive Software for Dynamic System Modeling Using Linear Graphs

William K. Durfee, Matthew B. Wall, Derek Rowell, Freel K. Abbott

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Lgraph is an interactive, graphical software package to create, modify, and reduce linear graphs. Linear graphing is a structured method to formulate and represent lumped-element, linear dynamic system models containing connected single-port energy storage, dissipative, and source elements and two-port transduction elements. Lgraph enables the user to place elements from several domains in a connected graph, and then computes and displays elemental equations, constraint (loop and node) equations, and state equations for the dynamic system, all in symbolic form. The package was implemented using X Windows graphics and runs on Unix-based engineering workstations. It is currently being used by undergraduate students in the Department of Mechanical Engineering at the Massachusetts Institute of Technology (M.I.T.).

Original language	English (US)
Pages (from-to)	60-66
Number of pages	7
Journal	IEEE Control Systems
Volume	11
Issue number	4
DOIs	https://doi.org/10.1109/37.88595
State	Published - Jun 1991

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Interactive Software for Dynamic System Modeling Using Linear Graphs

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