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Linear and nonlinear analysis of the thermal effects of beam piezoelectric bending actuator on adaptive optics
Wang, Hairen1,2; Hu, Lin3
2017-12-01
Source PublicationJOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
ISSN1045-389X
Volume28Issue:20Pages:3016-3024
Corresponding AuthorWang, Hairen(Hairenwang@pmo.ac.cn)
AbstractThe beam piezoelectric bending actuator, of a simple structure and at a low cost, can be a good match for the large adaptive optics telescopes, for it has a large stroke and a high resonance frequency. In this article, the thermal effects of a beam piezoelectric bending actuator are analyzed in the aspects of the statics, dynamics, and nonlinear dynamics. The results of the linear statics and dynamics have shown that the thermal effects will produce the zero offsets to the static strokes of the beam piezoelectric bending actuator and have little influence on the resonant frequency. Besides, finite element analysis methods are applied to validate the analytic methods. The conclusions have shown that the analytic results and the finite element analysis results are reasonably consistent with each other. Furthermore, the nonlinear behaviors of the beam piezoelectric bending actuator in dynamics are studied, and through the changeable curves of the frequency, it can be observed that the results of the strokes imposed on the actuator have exhibited multiple values and jumps near the resonance.
KeywordPiezoelectric bending actuator thermal effects nonlinear dynamics
DOI10.1177/1045389X17704918
WOS KeywordELECTROSTRICTIVE DEFORMABLE MIRRORS ; POWER HARVESTER ; RESONANCE ; TRANSFORMER ; TELESCOPES ; SYSTEM ; MODE
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000417337500011
PublisherSAGE PUBLICATIONS LTD
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/22119
Collection中国科学院紫金山天文台
Corresponding AuthorWang, Hairen
Affiliation1.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing, Jiangsu, Peoples R China
3.Chongqing Qianwei Sci & Technol Grp Co Ltd, Chongqing, Peoples R China
Recommended Citation
GB/T 7714
Wang, Hairen,Hu, Lin. Linear and nonlinear analysis of the thermal effects of beam piezoelectric bending actuator on adaptive optics[J]. JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES,2017,28(20):3016-3024.
APA Wang, Hairen,&Hu, Lin.(2017).Linear and nonlinear analysis of the thermal effects of beam piezoelectric bending actuator on adaptive optics.JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES,28(20),3016-3024.
MLA Wang, Hairen,et al."Linear and nonlinear analysis of the thermal effects of beam piezoelectric bending actuator on adaptive optics".JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES 28.20(2017):3016-3024.
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