Explicit parameter dependency in digital control systems

J. E. Luntz, M. L. Nagurka, T. R. Kurfess

Research output: Contribution to journalConference articlepeer-review


This paper introduces a graphically-based tool for the analysis and design of linear, dynamic, digital control systems that is an alternate representation of the digital root locus. The technique exposes the explicit influence of system parameters, such as the forward proportional control gain, on system response characteristics, including natural frequency and damping ratio. In particular, digital gain plots are proposed to elucidate the connection between the control gain and stability/response parameters. These plots provide useful design insight, as demonstrated in two examples.

Original languageEnglish
Pages (from-to)1-6
Number of pages6
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - 1 Dec 1993
Externally publishedYes
EventProceedings of the ASME Winter Conference - New Orleans, LA, USA
Duration: 28 Nov 19933 Dec 1993

ASJC Scopus subject areas

  • Mechanical Engineering


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