Abstract

This paper presents a toolbox for control systems analysis and design using Excel spreadsheets. The toolbox is a set of routines and function written in VBA macro programming language. At present, the toolbox is limited to linear systems represented by transfer functions. The user can specify a model, plot its time or frequency responses, perform a feedback, and tune interactively the controller parameters. The tool is intended to offer good level of productivity maintaining multiple simulations in a unique worksheet, and allows users to switch easily from one simulation to another. It is also intended to be highly interactive, where the user can perform “what-if” experiments in a straightforward manner by changing the parameters values and immediately see how these changes influence the system behavior. To illustrate the scope and the principal features of this tool, several examples are provided.

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