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An electro-mechanically coupled SDOF piezoelectric stack actuator model
SPIE Proceedings, 2008Piezoelectric actuators used in nano-positioning devices exhibit highly non-linear behavior and strong hysteresis, which limits the efficiency of conventional non-model-based controllers. This paper presents the first results of a free energy model based on the theory of thermal activation for single crystal piezoceramics that couples mechanical stress
Alexander York, Stefan Seelecke
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Ultrafast Displacement Actuation of Piezoelectric Stacks With Time-Sequence
IEEE Transactions on Industrial Electronics, 2017Driving a piezoelectric stack with fast response and high output force is critical for its application. A novel ultrafast time-sequence driving method for piezoelectric stacks that could be used in fuel injectors is described and demonstrated. This technique is shown capable of reducing the response time of a piezoelectric stack by considering the ...
Xuejie Ba +3 more
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Properties and performance of RAINBOW piezoelectric actuator stacks
SPIE Proceedings, 1997Stacks of RAINBOW high-displacement actuators are currently under consideration for use in scanning mechanisms capable of providing controlled travels on the order of 1 cm. In this work, actuator stacks were produced by stacking PZT-5A and PZT-5H RAINBOWs in a clamshell configuration.
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State estimation of nonlinear piezoelectric stack actuator hysteresis model
SPIE Proceedings, 2006The state estimation of a non-linear model of a piezoelectric stack actuator showing hysteresis is proposed. Model uncertainties related to hysteresis effect in piezoelectric stack actuators, most prominently in higher frequency zone; can make the closed-loop control system unstable.
Jayesh L. Minase +2 more
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Self-moving cell linear motor using piezoelectric stack actuators
Smart Materials and Structures, 2005In this paper, a self-moving cell linear motor (SCLM) using a piezoelectric stack actuator is designed, manufactured, and evaluated. The self-moving cell consists of an oval-shaped shell structure and piezoelectric stack actuator. The self-moving cell concept is different from a conventional inchworm linear motor because the SCLM has unified clamping ...
Jaehwan Kim, Jin-Ho Lee
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Modeling and Control of Piezoelectric Stack Actuators with Hysteresis
2013Piezoelectric actuators are popularly applied as actuators in high precision systems due to their small displacement resolution, fast response and simple construction. However, the hysteresis nonlinear behavior limits the dynamic modeling and tracking control of piezoelectric actuators.
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Feed-forward control of stack piezoelectric actuator
Optics and Precision Engineering, 2016刘长利 LIU Chang-li +4 more
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Flutter Suppression Using V-Stack Piezoelectric Actuator
44th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2003Emil Ardelean +3 more
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An on-demand plant-based actuator created using conformable electrodes
Nature Electronics, 2021Wenlong Li, Naoji Matsuhisa, Zhiyuan Liu
exaly
Robust Jumping Actuator with a Shrimp‐Shell Architecture
Advanced Materials, 2021Xiaozhou Ji, Tianyu Yuan, Xiaoyu Hu
exaly