1997
DOI: 10.1177/1045389x9700800907
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Design of Robust Controllers for Smart Structural Systems with Actuator Saturation

Abstract: The design and implementation of robust controllers on smart structural systems is often constrained by available control force of the actuators. The Lead Zirconite Titanate (PZT) actuators which are used for the control of flexible structures have limited control authority. The performance of the smart structural systems is often limited by the control effort constraint instead of the closed loop stability and performance. Due to the limited availability of control effort, it is desirable to utilize all of th… Show more

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Cited by 4 publications
(5 citation statements)
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“…The robustness of a particular controller can be tested by application to a plant other than that for which it was designed. This can be accomplished by the addition of mass to the structure (Butler et al, 1997). This effectively changes the natural frequency and damping ratio of the plant and, therefore, shifts the dominant pole positions.…”
Section: Robustness Testingmentioning
confidence: 99%
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“…The robustness of a particular controller can be tested by application to a plant other than that for which it was designed. This can be accomplished by the addition of mass to the structure (Butler et al, 1997). This effectively changes the natural frequency and damping ratio of the plant and, therefore, shifts the dominant pole positions.…”
Section: Robustness Testingmentioning
confidence: 99%
“…The control and robustness of closed-loop systems is a very important and well-studied topic within the field of smart structures. Butler et al (1997) described the sources of uncertainty that can lead to robustness problems. These were stated to be changes to the modeled modal positions, problems due to unmodeled dynamics, and nonlinearities.…”
Section: Introductionmentioning
confidence: 99%
“…(1) Equation (1) shows the format of the obtained plant model where each element is a polynomial. Equation (2) shows how the elements of the denominator can be combined to obtain the bending and torsion poles:…”
Section: System Identificationmentioning
confidence: 99%
“…The robustness of a particular controller can be tested by application to a plant other than that for which it was designed. This can be accomplished by the addition of mass to the structure [1]. This effectively changes the natural frequency and damping ratio of the plant and, therefore, shifts the dominant pole positions.…”
Section: Free Vibration Testing Of Mismatched Plantmentioning
confidence: 99%
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