Zobrazeno 1 - 10
of 1 596
pro vyhledávání: '"Unimorph"'
Publikováno v:
AIMS Energy, Vol 12, Iss 3, Pp 561-599 (2024)
This study investigated the design and simulation of a novel serpentine-shaped piezoelectric cantilever beam to harness pipeline vibration energy. As the demand for sustainable energy sources increases, harvesting piezoelectric energy from environmen
Externí odkaz:
https://doaj.org/article/51a1cce774f7457bb6a862b7176797b8
Publikováno v:
Journal of Renewable Energy and Environment, Vol 10, Iss 1, Pp 59-67 (2023)
Energy harvesting from ambient vibrations using piezoelectric cantilevers is one of the most popular mechanisms for producing electrical energy. Recently, efforts have been made to improve the performance of energy harvesters. The output voltage dram
Externí odkaz:
https://doaj.org/article/6495ce4ee4b048e0a35b0d52fe8fefed
Publikováno v:
Journal of the Mechanical Behavior of Materials, Vol 31, Iss 1, Pp 755-766 (2022)
In this study, singularity fields at the interface corners of piezoelectric-brass unimorphs are investigated. Two models differing in side surface geometry (step and flat surfaces) are analyzed to study the singularity effect on mechanical (stress–
Externí odkaz:
https://doaj.org/article/fbe74a47ea354aefae207c69ef9db3a7
Akademický článek
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Publikováno v:
Micromachines, Vol 14, Iss 9, p 1756 (2023)
This paper focuses on the change of morphing capabilities for a unimorph deformable mirror impacted by environmental factors, which works in space for active optics applications. Various aspects of disturbing sources are considered, including complex
Externí odkaz:
https://doaj.org/article/30f119d44ba147fcaba89091b8359b9e
Autor:
Stanislav Sikulskyi, Zefu Ren, Danayit T. Mekonnen, Aleiya Holyoak, Rishikesh Srinivasaraghavan Govindarajan, Daewon Kim
Publikováno v:
Frontiers in Robotics and AI, Vol 9 (2022)
Dielectric elastomer actuator (DEA) is a smart material that holds promise for soft robotics due to the material’s intrinsic softness, high energy density, fast response, and reversible electromechanical characteristics. Like for most soft robotics
Externí odkaz:
https://doaj.org/article/bcba1a0a77804004a5f66635c4cd771e
Autor:
Seol Ryung Kwon, Yongrae Roh
Publikováno v:
Applied Mechanics, Vol 2, Iss 4, Pp 841-848 (2021)
In a flexoelectric sensing element using bending mode, estimation of the flexoelectric coefficient was investigated using 3-D stress/strain analysis and experiments. The proposed method uses the results (deformation and strain) from the finite elemen
Externí odkaz:
https://doaj.org/article/1947d8c1d8de40d0bf21c7818049a767
Akademický článek
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Publikováno v:
Actuators, Vol 12, Iss 3, p 100 (2023)
This paper presents various aspects of the wavefront control strategies for an ultra-lightweight composite reflector made of polymers for the large primary of a space telescope, and the shape control is made by a set of patterned unimorph strain actu
Externí odkaz:
https://doaj.org/article/5e9455f2fc574d2e8030db24d63bdbbe
Autor:
Wei He
Publikováno v:
Micromachines, Vol 13, Iss 8, p 1353 (2022)
This paper presents a piezoelectric heterostructure for extracting mechanical energy from human foot strikes based on the impact of a moving block on the tips of the piezoelectric unimorph cantilevers. The use of the magnetic springs allows low-frequ
Externí odkaz:
https://doaj.org/article/29a1b56979e14144bb6880bda38387d0