Dynamic Behavior of Telescopic Actuators
Source abstract
Abstract
While piezoelectric actuators are very useful for high frequency applications, their small strokes pose a significant constraint to most applications. Internally leveraged amplification schemes overcome this constraint, but at the cost of output force and bandwidth. The telescopic actuation architecture employs a novel internal amplification scheme that provides a moderate stroke amplification (up to 20 times) while maintaining high force and bandwidth. This paper presents a study of the dynamic behavior of this generic type of actuation. Because of the complexity of the structure, a new modeling technique based upon adaptation of the transfer matrix method was developed. As validation, a three cylindrical PZT5H telescopic actuator was fabricated and experimentally tested.
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Research context
OpenAlex topics: Aeroelasticity and Vibration Control · Piezoelectric Actuators and Control · Vibration Control and Rheological Fluids
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, The University of Michigan, 2250 G. G. Brown Building, 2350 Hayward St., Ann Arbor, MI 48109-2125, USA
Department of Mechanical Engineering, The University of Michigan, 2250 G. G. Brown Building, 2350 Hayward St., Ann Arbor, MI 48109-2125, USA,
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