A direct digital control algorithm was implemented on a liquid level and temperature control unit. Two control schemes were implemented on the system and the results were compared against a fourth order Runge-Kutta solution.
Both control schemes involved proportional feedback with dynamic adjustment of the operating point. It was found that the control scheme that contained a feedforward component which dealt with the inlet water temperature had a superior dynamic response to setpoint changes. Steady state offsets in both control schemes were attributable to model parameter estimation errors. Differences between the actual and predicted system dynamic response were also attributable to these errors.
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Master of Science (M.S.)
College of Engineering
Length of Campus-only Access
Masters Thesis (Open Access)
Claudio, Pedro J., "Direct Digital Control of a Liquid Level/Temperature Control Unit" (1986). Retrospective Theses and Dissertations. 4951.
Contributor (Linked data)
Klee, Harold [VIAF]
Klee, Harold [LC]