Zobrazeno 1 - 10
of 273
pro vyhledávání: '"Ashwin A. Seshia"'
Autor:
Hemin Zhang, Milind Pandit, Guillermo Sobreviela, Madan Parajuli, Dongyang Chen, Jiangkun Sun, Chun Zhao, Ashwin A. Seshia
Publikováno v:
Microsystems & Nanoengineering, Vol 8, Iss 1, Pp 1-11 (2022)
Abstract Mode-localized sensors have attracted attention because of their high parametric sensitivity and first-order common-mode rejection to temperature drift. The high-fidelity detection of resonator amplitude is critical to determining the resolu
Externí odkaz:
https://doaj.org/article/def53e0fbc764ea0b4e6e396c9656ad4
Autor:
Xin Zhou, Chun Zhao, Dingbang Xiao, Jiangkun Sun, Guillermo Sobreviela, Dustin D. Gerrard, Yunhan Chen, Ian Flader, Thomas W. Kenny, Xuezhong Wu, Ashwin A. Seshia
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
Micro- and nanomechanical resonators play a crucial role in sensing applications. Here, the authors demonstrate electrically tunable modal coupling in capacitive microelectromechanical gyroscopic ring resonators that allows for improving the performa
Externí odkaz:
https://doaj.org/article/2632052d800a4ae18f84ec4601f20bbe
Autor:
Malar Chellasivalingam, Arthur T. Zielinski, Thomas S. Whitney, Adam M. Boies, Ashwin A. Seshia
Publikováno v:
Sensors, Vol 22, Iss 15, p 5485 (2022)
This paper reports on the design, and implementation of piezoelectric-on-silicon MEMS resonators installed within a portable experimental setup for sensing nanoparticles in a laboratory environment. MEMS oscillators with a center frequency of approxi
Externí odkaz:
https://doaj.org/article/1335720a360e44b381b7d35d4b003ccc
Publikováno v:
Sensors, Vol 20, Iss 11, p 3162 (2020)
This paper successfully demonstrates the potential of weakly coupled piezoelectric MEMS (Micro-Electro-Mechanical Systems) gravimetric sensors for the detection of ultra-fine particulates. As a proof-of-principle, the detection of diesel soot particl
Externí odkaz:
https://doaj.org/article/ee04c2f81b634219bec83de8d31c3b2a
Autor:
Theo Miani, Lokesh Gurung, Guillermo Sobreviela-Falces, Douglas Young, Colin Baker, Ashwin A. Seshia
Publikováno v:
2023 IEEE 36th International Conference on Micro Electro Mechanical Systems (MEMS).
Autor:
Guillermo Sobreviela, Xudong Zou, Milind Pandit, Chun Zhao, Ashwin A. Seshia, Arif Mustafazade
Publikováno v:
Journal of Microelectromechanical Systems. 30:500-505
Silicon MEMS resonators are increasingly being adopted for applications in timing and frequency control, as well as precision sensing. It is well established that a key limitation to performance is associated with sensitivity to environmental variabl
Autor:
Ashwin A. Seshia, Francis Neill
Publikováno v:
Second International Meeting for Applied Geoscience & Energy.
Publikováno v:
2022 IEEE International Symposium on Inertial Sensors and Systems (INERTIAL).
This paper demonstrates the feasibility of employing mode localized mass sensing in coupled MEMS resonators for ultra-fine particulate detection applications. The potential benefits of this approach include higher parametric sensitivity and intrinsic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7cec3df2bd37f9a5d5ff49a21713ab1
This paper reports the achievement of a mass balanced condition in a low-Q weakly coupled MEMS resonator array for ultrafine aerosol particulate sensing. The mass balancing technique enables the lifetime extension of such real-time particulate sensor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52dcec63454df9428905fc0931677c5b