Multivariable feedforward control
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United States of America Patent
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Jan 30, 2018
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app pub date -
Jun 25, 2015
filing date -
Jun 30, 2014
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Abstract
A method of tracking variable states of a gas turbine engine in transient conditions includes obtaining input data representative of rotor velocity and pressure ratio; calculating a reference transient scheduled trajectory based on the input data; calculating a speed reference transient scheduled trajectory based on the input data; calculating a feedforward variable based on the reference transient scheduled trajectory; obtaining a feedback control variable; and determining a control variable based on a combination of the feedforward variable and the feedback control variable.
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