Robust Tracking Control for a Piezoelectric Actuator

Salah, Mohammad; Mclntyre, M.; Dawson, D.M.; Wagner, John R.

doi:10.1109/acc.2007.4282491

Cited by 8 publications

(10 citation statements)

References 33 publications

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“…When the whole S&A structures are assembled, it will be sealed, which could result in the designed microactuators have a non-contact with the driven parts. Further, by investigating their advantages and disadvantages of the existing driving types, combined with the S&A device's requirements, a miniature disksucker-type micro-driving prototype using electromagnet was chosen, and the sheet structure manufactured with soft magnetic body material is selected as the magnet materials for locking pin and slider [8,9,10] .…”

Section: Icemi'2009mentioning

confidence: 99%

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Wang

2009

2009 9th International Conference on Electronic Measurement &Amp; Instruments

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This research is developed and aims at a new microactuator, which is used in the fuze Safety and Arming device (S&A) with a planar structure fabricated by the MEMS technology. In order to satisfy its engineering application requirements of the fuze service, which are small volume with S&A barrier dimension of 25mm 25mm 2mm, large force, long stroke as well as non-contactable, and a complex fuze system environment, a disk-type electromagnet microactuator prototype was designed and developed. Then, some main parameters of the designed electromagnetism microactuator had been estimated and optimized. Numerical simulation for three typical of microactuator had been also done, including their outputting force and generating heats, and their anti-interference performances in magnetic field. In order to test their movements, driving forces and performances of the developed microactuators, a suit of testing platform was designed and developed. The experimental results showed their overall performances of the developed microactuators under operating conditions could meet the engineering application requirements of a fuze system.

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Section: Icemi'2009mentioning

confidence: 99%

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Wang

2009

2009 9th International Conference on Electronic Measurement &Amp; Instruments

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“…There are also a few different control methods which show controllers leading to improvements in speed and accuracy; see [10,11]. This paper builds on the robust feedback control approach used in [12][13][14] in which the control of hysteresis in a piezoelectric actuator is adopted from the charge control method, which can be found in [15,16]. In [15,16], it is shown that the use of charge control can lead to reduced hysteresis in a piezoelectric actuator.…”

Section: Introductionmentioning

confidence: 99%

“…The control method used in our approach to achieve our aims in terms of the scanning speed and the quality of images on the AFM can be summarized in three major features as compared to the previous approaches. [1][2][3][4][5][6][7][8][9][10][11][15][16][17][18][19][20][21][22][23][24].…”

Section: Introductionmentioning

confidence: 99%

Robust H^∞ Control in Fast Atomic Force Microscopy

Cui¹,

Petersen²,

Pota³

2012

Asian Journal of Control

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This paper develops a robust H ∞ method for fast tracking position control problems arising in an atomic force microscope (AFM). A commercial type NT‐MDT AFM is used to generate 3D images of scanned material surfaces at high speeds and accuracies. A major component of this AFM is a piezoelectric tube actuator used for position control in three directions. Due to the nature of the piezoelectric actuator, there is nonlinear hysteresis present which affects the AFM scanning qualities. The original commercial AFM uses traditional proportional‐integral‐derivative position control and can only obtain good quality images for scanning rates under about 20 Hz in both the x and y directions. In this paper, a robust H ∞ controller is designed based on a physical model of the AFM piezoelectric tube positioner in the x and y directions. On the electrical side of the positioning system, external capacitors are connected in series with the x and y contacts of the piezoelectric tube to provide measured voltages which are proportional to the charge on the actuator. The parameters for a nonlinear model are obtained from measurements of the system frequency response and time domain response. This model also takes into account the time delay resulting from the sensor electronics. This nonlinear model is represented as a linear uncertain system model with norm bounded uncertainty. The uncertain system model is used to design a robust H ∞ tracking controller for the AFM scanning system. Experimental results show that the robust H ∞ controller can improve the AFM scanning quality and increase the scanning speed significantly. The controller performs well in tracking a given reference scanning signal with frequencies up to 125 Hz.

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“…A preliminary version of this paper has appeared in the proceedings of the American Control Conference, New York, NY, USA, 2007 [49].…”

Section: Acknowledgmentsmentioning

confidence: 99%

“…Let P(z, t) ∈ R denote the following non-negative function P 1 2 e 2 + 1 2 mr 2 (49) Note that the right-hand side of (49) can be bounded as follows…”

Section: Appendix 2: Proof Of Theoremmentioning

confidence: 99%

Charge feedback-based robust position tracking control for piezoelectric actuators

Salah

McIntyre

Dawson

et al. 2012

IET Control Theory Appl.

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Abstract:In this study, the Coleman-hysteresis model is utilised in the piezoelectric actuator (PZTA) dynamic model and a non-linear robust control strategy is then developed to actively control the displacement of the PZTA effective tip. The proposed control technique is designed based on the partial knowledge of the hysteresis model while the mass of the PZTA is assumed to be uncertain. The piezoelectric charge measurement is utilised in the controller design to reduce the effects of the hysteresis. Lyapunov-based stability analysis techniques are utilised to ensure that a desired displacement trajectory is accurately tracked. Representative numerical results are presented and discussed to demonstrate the tracking performance of several desired displacement trajectories with different frequencies and amplitudes. Finally, comparisons with a standard PID controller and a sliding mode controller were performed to examine the effectiveness of the proposed control design.

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Robust Tracking Control for a Piezoelectric Actuator

Cited by 8 publications

References 33 publications

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Robust H^∞ Control in Fast Atomic Force Microscopy

Charge feedback-based robust position tracking control for piezoelectric actuators

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Robust Tracking Control for a Piezoelectric Actuator

Cited by 8 publications

References 33 publications

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Design and simulation of an electromagnetic microactuator of fuze safety and arming device

Robust H∞ Control in Fast Atomic Force Microscopy

Charge feedback-based robust position tracking control for piezoelectric actuators

Contact Info

Product

Resources

About

Robust H^∞ Control in Fast Atomic Force Microscopy