Control system for a plant including a slide mode controller
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United States of America Patent
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-
May 8, 2007
Grant Date -
Jun 15, 2006
app pub date -
Feb 2, 2006
filing date -
Apr 20, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A control system for a plant is provided. This control system can control the plant more stably, when the model parameters of the controlled object model which are obtained by modeling the plant, which is a controlled object, are identified and the sliding mode control is performed using the identified model parameters. The model parameter identifier (22) calculates a model parameter vector (.theta.) by adding an updating vector (d.theta.) to a reference vector (.theta.base) of the model parameter. The updating vector (d.theta.) is corrected by multiplying a past value of at least one element of the updating vector by a predetermined value which is greater than '0' and less than '1'. The model parameter vector (.theta.) is calculated by adding the corrected updating vector (d.theta.) to the reference vector (.theta.base).
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Cited Art Landscape
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