Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Fengtian Han"'
Autor:
Shunyue Wang, Fengtian Han
Publikováno v:
Sensors, Vol 20, Iss 6, p 1799 (2020)
Bias stability is one of primary characteristics of precise gyroscopes for inertial navigation. Analysis of various sources of the bias drift in a micromachined electrostatically suspended gyroscope (MESG) indicates that the bias stability is dominat
Externí odkaz:
https://doaj.org/article/0a454b8af01b413a832c62218272aad7
Publikováno v:
Sensors, Vol 19, Iss 7, p 1544 (2019)
Micromachined resonant accelerometers (MRAs), especially those devices fabricated by silicon on glass technology, suffer from temperature drift error caused by inherent thermal stress. This paper proposes two structure designs to attenuate the effect
Externí odkaz:
https://doaj.org/article/84cd0affe2eb419d844e872ad11a6bed
Publikováno v:
Sensors, Vol 18, Iss 11, p 3901 (2018)
Spin rate of a high-speed spinning-rotor gyroscope will make a significant impact on angular rate sensor performances such as the scale factor, resolution, measurement range, and bias stability. This paper presents the spin rate effects on performanc
Externí odkaz:
https://doaj.org/article/e57d0c023730408b89c538f23d6452a1
Publikováno v:
Sensors, Vol 18, Iss 9, p 2888 (2018)
As a specific force sensor, the tri-axis accelerometer is one of the core instruments in an inertial navigation system (INS). During navigation, its measurement error directly induces constant or alternating navigation errors of the same order of mag
Externí odkaz:
https://doaj.org/article/f2cc283e6a89445ab947afb2ef335e01
Publikováno v:
Sensors, Vol 16, Iss 12, p 2177 (2016)
The gravity disturbance vector is one of the major error sources in high-precision and long-term inertial navigation applications. Specific to the inertial navigation systems (INSs) with high-order horizontal damping networks, analyses of the error p
Externí odkaz:
https://doaj.org/article/738312c862c2400b829248eeed366999
Publikováno v:
Sensors, Vol 16, Iss 8, p 1262 (2016)
The differential electrostatic space accelerometer is an equivalence principle (EP) experiment instrument proposed to operate onboard China’s space station in the 2020s. It is designed to compare the spin-spin interaction between two rotating exten
Externí odkaz:
https://doaj.org/article/398ca0bf9e464e36a2477cfa08a9afc0
Publikováno v:
Sensors, Vol 16, Iss 5, p 711 (2016)
A micromachined electrostatically-suspended accelerometer (MESA) is a kind of three-axis inertial sensor based on fully-contactless electrostatic suspension of the proof mass (PM). It has the potential to offer broad bandwidth, high sensitivity, wide
Externí odkaz:
https://doaj.org/article/84561112678e43dd922fa6f61e8bc95d
Publikováno v:
Journal of Micromechanics and Microengineering.
Temperature-dominated drift is generally the main error source for high-performance micromachined resonant accelerometers (MRAs) due to inherent thermal stress effect of resonator structure and die-attach process. This paper describes a design and ex
Publikováno v:
The Review of scientific instruments. 91(1)
Variable-capacitance electrostatic motors are ideal for driving the test mass in ultra-low-noise electrostatic accelerometers. Such devices are essential for testing the new equivalence principle (NEP) with rotating extended masses. However, as the a
Publikováno v:
Sensors and Actuators A: Physical. 268:52-60
This paper describes the design, fabrication and experimental evaluation of a silicon micromachined resonant accelerometer that demonstrates high sensitivity and low noise. The device is fabricated with the silicon-on-glass micromachining technology