Design of a Preload Device for PZT Actuator Using Permanent Magnets

Suk Bae; Chang S. Han; Chan H. Lee; Myounggyu D. Noh

doi:10.1109/TMAG.2003.816708

Design of a Preload Device for PZT Actuator Using Permanent Magnets

Suk Bae, Chang S. Han, Chan H. Lee, Myounggyu D. Noh

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

Piezoelectric actuators must be preloaded to prevent damage due to tensile loading. Spring-preloaded actuators sacrifice some of the total stroke of the actuator. The authors propose a preload device using permanent magnets. By employing magnetic preload, the static performance of the actuator is improved, while increasing the total stroke. The proposed preload device decouples the lateral motion of the actuator from the actuating direction, thus eliminating the need for a complex flexure hinge mechanism.

Original language	English
Pages (from-to)	2965-2967
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	39
Issue number	5 II
DOIs	https://doi.org/10.1109/TMAG.2003.816708
Publication status	Published - 2003 Sept
Externally published	Yes

Bibliographical note

Funding Information:
Manuscript received January 6, 2003. This work was supported in part by the National Research Laboratory Program, Korea. S. Baek was with the Chungnam National University. He is now with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]). C. S. Han and C. H. Lee are with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]; [email protected]). M. D. Noh is with the Department of Mechatronics Engineering, Chungnam National University, Daejeon 305-764, Korea (e-mail: [email protected]). Digital Object Identifier 10.1109/TMAG.2003.816708 Fig. 1. Cross-sectional diagram of a spring-preloaded actuator and its displacement versus voltage input characteristics of the unloaded and preloaded actuators.

Keywords

Nanoscale actuators
Permanent magnets
Piezoelectric devices

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/TMAG.2003.816708

Cite this

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title = "Design of a Preload Device for PZT Actuator Using Permanent Magnets",

abstract = "Piezoelectric actuators must be preloaded to prevent damage due to tensile loading. Spring-preloaded actuators sacrifice some of the total stroke of the actuator. The authors propose a preload device using permanent magnets. By employing magnetic preload, the static performance of the actuator is improved, while increasing the total stroke. The proposed preload device decouples the lateral motion of the actuator from the actuating direction, thus eliminating the need for a complex flexure hinge mechanism.",

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author = "Suk Bae and Han, {Chang S.} and Lee, {Chan H.} and Noh, {Myounggyu D.}",

note = "Funding Information: Manuscript received January 6, 2003. This work was supported in part by the National Research Laboratory Program, Korea. S. Baek was with the Chungnam National University. He is now with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]). C. S. Han and C. H. Lee are with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]; [email protected]). M. D. Noh is with the Department of Mechatronics Engineering, Chungnam National University, Daejeon 305-764, Korea (e-mail: [email protected]). Digital Object Identifier 10.1109/TMAG.2003.816708 Fig. 1. Cross-sectional diagram of a spring-preloaded actuator and its displacement versus voltage input characteristics of the unloaded and preloaded actuators.",

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AU - Bae, Suk

AU - Han, Chang S.

AU - Lee, Chan H.

AU - Noh, Myounggyu D.

N1 - Funding Information: Manuscript received January 6, 2003. This work was supported in part by the National Research Laboratory Program, Korea. S. Baek was with the Chungnam National University. He is now with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]). C. S. Han and C. H. Lee are with the Korea Institute of Machinery and Materials, Daejeon, Korea (e-mail: [email protected]; [email protected]). M. D. Noh is with the Department of Mechatronics Engineering, Chungnam National University, Daejeon 305-764, Korea (e-mail: [email protected]). Digital Object Identifier 10.1109/TMAG.2003.816708 Fig. 1. Cross-sectional diagram of a spring-preloaded actuator and its displacement versus voltage input characteristics of the unloaded and preloaded actuators.

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N2 - Piezoelectric actuators must be preloaded to prevent damage due to tensile loading. Spring-preloaded actuators sacrifice some of the total stroke of the actuator. The authors propose a preload device using permanent magnets. By employing magnetic preload, the static performance of the actuator is improved, while increasing the total stroke. The proposed preload device decouples the lateral motion of the actuator from the actuating direction, thus eliminating the need for a complex flexure hinge mechanism.

AB - Piezoelectric actuators must be preloaded to prevent damage due to tensile loading. Spring-preloaded actuators sacrifice some of the total stroke of the actuator. The authors propose a preload device using permanent magnets. By employing magnetic preload, the static performance of the actuator is improved, while increasing the total stroke. The proposed preload device decouples the lateral motion of the actuator from the actuating direction, thus eliminating the need for a complex flexure hinge mechanism.

KW - Nanoscale actuators

KW - Permanent magnets

KW - Piezoelectric devices

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ER -

Design of a Preload Device for PZT Actuator Using Permanent Magnets

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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