A Gyroscope Nanogenerator with Frequency Up-Conversion Effect for Fitness and Energy Harvesting.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202108091
Abstract: Converting the mechanical energy of human motion into electricity is considered an ideal energy supply solution for portable electronics. However, low-frequency human movement limits conversion efficiency of conventional energy harvesting devices, which is difficult to… read more here.
Keywords: energy; conversion; nanogenerator; frequency ... See more keywords
Wafer-level vacuum-encapsulated rate gyroscope with high quality factor in a commercial MEMS process
Sign Up to like & getrecommendations! Published in 2017 at "Microsystem Technologies"
DOI: 10.1007/s00542-016-3250-3
Abstract: We report the design and fabrication of a rate gyroscope sensor that is characterized by a high quality factor (52,300), unmatched resonance mode and low noise performance. The gyroscope dimensions are 1800 µm × 850 µm with 30 µm device… read more here.
Keywords: gyroscope; wafer level; high quality; quality factor ... See more keywords
A novel method for finding the best excitation frequency of MEMS vibratory gyroscope
Sign Up to like & getrecommendations! Published in 2018 at "Microsystem Technologies"
DOI: 10.1007/s00542-017-3552-0
Abstract: In this paper, a novel method is proposed for finding the best excitation signal frequency of the MEMS vibratory gyroscope sensors. In the proposed method, the amplitude of the drive mode displacement is the criterion… read more here.
Keywords: gyroscope; frequency; best excitation; method ... See more keywords
Inertial forces acting on a gyroscope
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-1211-0
Abstract: Gyroscopic devices for navigation and control systems are widely applied in various industries, such as shipping and aerospace. A remarkable property of gyroscopes is that their axes can be maintained within a particular space. This… read more here.
Keywords: gyroscope; inertial forces; acting gyroscope; forces acting ... See more keywords
Physics-based Gaussian process for the health monitoring for a rolling bearing
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.10.029
Abstract: Abstract An improved Gaussian process regression (GPR) is presented to predict the remaining useful life (RUL) of a gyroscope being integral to its prognostics and health management, despite uncertainties in the mean and variance values.… read more here.
Keywords: health; physics; gyroscope; physics based ... See more keywords
Measuring upper arm elevation using an inertial measurement unit: An exploration of sensor fusion algorithms and gyroscope models.
Sign Up to like & getrecommendations! Published in 2020 at "Applied ergonomics"
DOI: 10.1016/j.apergo.2020.103187
Abstract: Many sensor fusion algorithms for analyzing human motion information collected with inertial measurement units have been reported in the scientific literature. Selecting which algorithm to use can be a challenge for ergonomists that may be… read more here.
Keywords: fusion algorithms; gyroscope; sensor fusion; inertial measurement ... See more keywords
Analysis of the vulnerability of MEMS tuning fork gyroscope during the gun launch
Sign Up to like & getrecommendations! Published in 2020 at "Microelectronics Reliability"
DOI: 10.1016/j.microrel.2020.113619
Abstract: Abstract Micro-electromechanical systems (MEMS) gyroscope is fragile under mechanical impact. Especially, MEMS tuning fork gyroscope with movable structures, such as oscillating frames and folding beams, is susceptible to failure during the gun launch. However, the… read more here.
Keywords: gyroscope; fork gyroscope; analysis; gun launch ... See more keywords
Non-reciprocal biasing for performance enhancement of the resonant fiber gyroscope with ‘Reflector’ using In-line Faraday rotators: Design, analysis and characterization
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.102038
Abstract: Abstract Resonant fiber optic gyroscopes use highly expensive narrow linewidth lasers and complex lock-in detection methods since they measure changes in the beat frequency due to angular rotations. In our recent work, a novel resonant… read more here.
Keywords: gyroscope; reflector; faraday rotators; resonant fiber ... See more keywords
Platinum(II) alkyl complexes of chelating dibridgehead diphosphines P((CH2)n)3P (n = 14, 18, 22); facile cis/trans isomerizations interconverting gyroscope and parachute like adducts.
Sign Up to like & getrecommendations! Published in 2021 at "Dalton transactions"
DOI: 10.1039/d1dt02321g
Abstract: The gyroscope like dichloride complexes trans-Pt(Cl)2(P((CH2)n)3P) (trans-2; n = c, 14; e, 18; g, 22) and MeLi (2 equiv.) react to yield the parachute like dimethyl complexes cis-Pt(Me)2(P((CH2)n)3P) (cis-4c,e,g, 70-91%). HCl (1 equiv.) and cis-4c… read more here.
Keywords: cis; gyroscope; trans ch2; parachute like ... See more keywords
Free fall of a symmetrical gyroscope in vacuum
Sign Up to like & getrecommendations! Published in 2021 at "European Journal of Physics"
DOI: 10.1088/1361-6404/ac1e7b
Abstract: This paper describes the behavior of a symmetrical gyroscope when it falls down from a certain height over the surface of the earth. The assumptions of the model are that (i) the gravitational acceleration has… read more here.
Keywords: gyroscope; lean angle; free fall; fall symmetrical ... See more keywords
Ring gyroscope sensitive element based on nanoporous alumina
Sign Up to like & getrecommendations! Published in 2017 at "Aircraft Engineering and Aerospace Technology"
DOI: 10.1108/aeat-01-2015-0026
Abstract: Purpose This paper aims to present new technological approaches of manufacturing of micromechanical gyroscope ring-sensitive element based on the nanoporous anodic alumina instead of traditional silicon technology. Simulation and the operation analyses of such elements… read more here.
Keywords: gyroscope; element based; sensitive element; nanoporous alumina ... See more keywords