Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Dacheng Xu"'
Publikováno v:
Micromachines, Vol 15, Iss 1, p 124 (2024)
In this work, a novel mechanical amplification structure for a MEMS vibratory gyroscope is proposed with the aim of improving their sensitivity. The scheme is implemented using a system of micromachined V-shaped springs as a deflection amplifying mec
Externí odkaz:
https://doaj.org/article/08cca1f1cecb479f87bc2fcdfb7cc1cb
Publikováno v:
Sensors, Vol 23, Iss 24, p 9737 (2023)
In this paper, an event-driven wireless sensor node is proposed and demonstrated. The primary design objective is to devise a wireless sensor node with miniaturization, integration, and high-accuracy recognition ability. The proposed wireless sensor
Externí odkaz:
https://doaj.org/article/18fac06a65a1477b82ff5092fa5989f7
Autor:
Xinyao Wang, Saleh Juma, Wei Li, Mchanga Suleman, Mtumweni Ali Muhsin, Jian He, Mingzhen He, Dacheng Xu, Jianfeng Zhang, Robert Bergquist, Kun Yang
Publikováno v:
Infectious Diseases of Poverty, Vol 11, Iss 1, Pp 1-12 (2022)
Abstract Background Bulinus globosus, the main intermediate snail host of Schistosoma haematobium. The increased contacts between Africa and China could even lead to large-scale dissemination of B. globosus in China. Temperature is the key factor aff
Externí odkaz:
https://doaj.org/article/d66ec593fd6742a5ad236cc84cfc7eea
Publikováno v:
IEEE Access, Vol 9, Pp 21132-21148 (2021)
Devices used to set and control the environmental temperature are critical to the performance of gas-sensitive material analyzers, which use silicon microcantilevers to characterize the gas-sensitive materials. This paper describes a novel microtempe
Externí odkaz:
https://doaj.org/article/ae4fc2c89ea84bbea6a3732a3be48bbe
Publikováno v:
IEEE Access, Vol 8, Pp 145611-145619 (2020)
The structural asymmetry of the MEMS rate-integrating gyro (RIG) mode produces a threshold and an angle-dependent bias (ADB) that cause gyroscopes operating in this mode to stop working at input rates below the threshold and degrade the linearity of
Externí odkaz:
https://doaj.org/article/678411e5cc954f018df24212b51ec81f
Publikováno v:
Sensors, Vol 22, Iss 12, p 4334 (2022)
This paper describes a novel rate and rate-integrating mode-switchable axisymmetric gyroscope. A precession angle tracking algorithm is developed to enable the gyro to switch automatically between rate and rate-integrating modes at preset rate points
Externí odkaz:
https://doaj.org/article/1e89550d018b46b6bf00f378f35a5513
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
The Permanent Magnet Synchronous Motor (PMSM) is widely used in many fields. Aiming at nonlinearity, strong coupling and uncertainty of the PMSM, this paper proposes a nonlinear multi-input multi-output (MIMO) decoupling PMSM algorithm based on Activ
Externí odkaz:
https://doaj.org/article/c05a83f1911440b882069f9c4f52f230
Enhancing the closed-loop stability of a high-Q polysilicon micro-hemispherical resonating gyroscope
Publikováno v:
AIP Advances, Vol 9, Iss 2, Pp 025211-025211-6 (2019)
This paper presents an enhanced stability strategy for the sense mode of a force-rebalanced closed-loop polysilicon micro-hemispherical resonating gyroscope (μHRG) with a high-Q quality-factor value (15.2k). The sense mode closed-loop control includ
Externí odkaz:
https://doaj.org/article/e79529e3bf25417fa4d30404bb9dae8c
Publikováno v:
Sensors, Vol 15, Iss 12, Pp 30991-31004 (2015)
In this paper, the actuation behavior of a two-axis electrothermal MEMS (Microelectromechanical Systems) mirror typically used in miniature optical scanning probes and optical switches is investigated. The MEMS mirror consists of four thermal bimorph
Externí odkaz:
https://doaj.org/article/5360f554507143c99e09cfc7d82354f9
Publikováno v:
Energies, Vol 13, Iss 15, p 3830 (2020)
The vibration-threshold-triggered piezoelectric energy harvester is a new type of piezoelectric energy harvester with a two-stage structure, which can generate electricity in a low frequency environment and recognize vibration intensity at the same t
Externí odkaz:
https://doaj.org/article/4a12819694584b2ca0bbced1a53278be