Results 231 to 240 of about 24,128,493 (289)

Sustained Self‐Powered Real‐Time Vibration Monitoring Through Integrated Nonlinear Harvesting and Energy‐Aware Wireless Sensing

open access: yesAdvanced Science, EarlyView.
A self‐powered vibration sensing platform integrates a quasi‐zero‐stiffness piezoelectric harvester, synchronized electric charge extraction, energy management, and wireless ADC acquisition. Ambient vibration is simultaneously harvested as energy and digitized as information, enabling sustained real‐time waveform monitoring without external power.
Yizhou Li   +10 more
wiley   +1 more source

Hyperbolic adaptive spatial-aware multivariate time series anomaly detection. [PDF]

open access: yesNat Commun
Han J   +7 more
europepmc   +1 more source

Reliability-based topology optimization with uncertainties

Journal of Mechanical Science and Technology, 2006
This research proposes a reliability-based topology optimization (RBTO) using the finite element method. RBTO is a topology optimization based on probabilistic (or reliability) constraints. Young's modulus, thickness, and loading are considered as the uncertain variables and RBTO is applied to static and eigenvalue problems.
Semyung Wang, Kk Choi, Chwail Kim
exaly   +2 more sources

Reliability-based design of MEMS mechanisms by topology optimization

Computers and Structures, 2003
This paper presents a methodology for the design of micro-electro-mechanical systems (MEMS) by topology optimization accounting for stochastic loading and boundary conditions as well as material properties. This methodology combines recent advances in material-based topology optimization for compliant mechanisms undergoing large displacements and ...
Dan Frangopol, Kurt Maute
exaly   +2 more sources

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