Robust adaptive displacement tracking control of a piezo-actuated stage

The work carried out in this article essentially relates to the application of a synergetic control to the piezoelectric positioning mechanism or piezoelectric actuator (PEA). A LuGre model has been followed, capturing the most physical phenomena, in order to be able to follow the most realistic and representative model possible. From this model, which is then identified by particle swarm optimization (PSO), we apply the synergetic control technique, which is a very efficient control method that allows demonstrating the good functioning of the stability of nonlinear system in closed loop. The simulation results have been compared to those obtained when using sliding mode to confer the best performance in terms of tracking error and minimization of oscillations.

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“…The experimental configuration used for the identification of the LuGre model on the piezo actuator positioning mechanism is validated in [27].…”

Section: Methods 21 Modeling and Identification Of Lugre Parametersmentioning

confidence: 99%

Synergetic control of micro positioning stage piezoelectric actuator

Ounissi

Kaddouri

Abdessemed

2022

IJAPE

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“…the LuGre model is a model based on the microscopic approach of the modeling of the contact surfaces by the blades. The dynamic model of the entire micro-positioning system with hysteresis includes velocity-dependent friction phenomena such as variable breaking force and friction lag can be established as (1) [32].…”

Section: Hysteresis Modelingmentioning

confidence: 99%

NARMAX approach for micro positioning stage piezoelectric actuator hysteresis identification

Ounissi

Kaddouri

Abdessemed

2023

IJPEDS

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<p>The structure of the model may either be inferred via an experimental study or just by looking at the input and output data. A novel nonlinear autoregressive with exogenous inputs (NARMAX) method for identifying PEA piezoelectric positioning mechanisms is put forward in this study. The developed model enables accurate prediction of the hysteresis of the PEAs. The accuracy of the model built from the input and output data will be assessed by comparison with a LuGre model. The results of the identification show that the recommended approach is successful and that it has a high degree of identification precision within an absolute error range of one micron. The findings demonstrated the potential of the suggested method for classifying nonlinear PEAs.</p>

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“…where, fc is the Coulomb friction; fs is the striction force; xs is the Stribeck velocity. The complete electromechanical equations for the model can be expressed as [79]:…”

Section: Stage Modeling and Identificationmentioning

confidence: 99%

Hybrid Approach Control of Micro-Positioning Stage with a Piezoelectric Actuator

Ounissi¹,

Kaddouri²,

Abdessemed³

2022

JISC

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For a class of system with nonlinear hysteresis, this paper presents an adaptive hybrid controller based on the hybrid backstepping-sliding mode, and describes the controller analytically by the LuGre model. Both backstepping and the sliding mode techniques are based on the Lyapunov theory. Drawing on this common point, the authors developed a new controller combining the two control techniques with a recursive design. The design aims to achieve two effects: assuring the stability of the closed loop system, and improving the continuous performance of the tracking position trajectory. The performance of the proposed hybrid controller was verified by implementing the identified Piezo model. The results show that our controller can track the system output desirably with the reference trajectory.

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Robust adaptive displacement tracking control of a piezo-actuated stage

Cited by 5 publications

References 13 publications

Synergetic control of micro positioning stage piezoelectric actuator

Synergetic control of micro positioning stage piezoelectric actuator

NARMAX approach for micro positioning stage piezoelectric actuator hysteresis identification

Hybrid Approach Control of Micro-Positioning Stage with a Piezoelectric Actuator

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