Tatar, E.
Alper, S. E.
Akın, Tayfun
This paper presents experimental data about the sources of the quadrature error motion in a fully-decoupled MEMS gyroscope and demonstrates the extent of performance improvement by cancellation of this error, for the first time in the literature. This work experimentally examines different quadrature sources, determines significance of each source in the overall quadrature error, and concludes that the dominant error source is the imbalances in mechanical springs. Moreover, for the first time, it has been experimentally shown that the bias instability and angle random walk (ARW) of a fully-decoupled MEMS gyroscope improve up to 10 times with quadrature nulling, reaching down to 0.91(0)/hr and 0.034(0)/v hr, respectively.


Quadrature-Error Compensation and Corresponding Effects on the Performance of Fully Decoupled MEMS Gyroscopes
Tatar, Erdinc; Alper, Said Emre; Akın, Tayfun (2012-06-01)
This paper presents experimental data about the sources of the quadrature error in a fully decoupled microelectromechanical systems gyroscope and demonstrates the extent of performance improvement by the cancellation of this error. Quadrature sources including mass, electrostatic-force, and mechanical-spring imbalances have been compared by FEM simulations, and spring imbalance has been found as the dominant source of the quadrature error. Gyroscopes have been designed with intentional spring imbalances and...
Quadrature error compensation and its effects on the performance of fully decoupled MEMS gyroscopes
Tatar, Erdinç; Akın, Tayfun; Department of Electrical and Electronics Engineering (2010)
This thesis, for the first time in the literature, presents the effect of quadrature error compensation on the performance of a fully decoupled MEMS gyroscope and provides experimental data on the sources of quadrature error. Dedicated quadrature error cancellation electrodes operating with only differential DC potentials are designed. Gyroscopes with intentionally placed imperfections are fabricated with SOG based SOI process which provides higher yield and uniformity compared to SOG process. Tests show th...
Saidi, Y.; Alliouat, W.; Hamma, I.; Zaabat, M.; Azizi, M.; Azizi, C. (2011-09-10)
We present in this paper an analytical model of the current voltage (I-V) characteristics for submicron GaAs MESFET transistors. This model takes account the analysis of the charge distribution in the active region and incorporate a field depended electron mobility, velocity saturation and charge build-up in the channel.we propose In this framework an algorithm of simulation based on mathematical expressions obtained previously. The results obtained of the model are discussed and compared with those of the ...
Compensation of Temperature and Acceleration effects on MEMS Gyroscope
Ali, Muhammad (2016-01-16)
This paper shows temperature and acceleration effects on Micro-Electro-Mechanical-Systems (MEMS) gyroscope and a practical solution is presented to mitigate effect of these errors using different methods (Polynomial Curve fitting and Neural Networks). Compensation is performed on the output bias drift data acquired from different MEMS gyroscopes. Performance of compensation techniques is also presented in this study. This paper presents novelty of integrated compensation for both factors (temperature and ac...
Effect of water-filling method on the PAPR for OFDM and MIMO systems
Vural, Mehmet; Akta, Tugcan; Yılmaz, Ali Özgür (2007-06-13)
In this paper, the peak-to-average power ratio (PAPR) problem for orthogonal frequency division multiplexing (OFDM) is investigated. The variations in the nature of the problem along with the utilization of water-filling technique are observed and the corresponding cumulative distribution function for PAPR is determined. In addition to OFDM analysis, another analysis is carried out for the comparison of water-filling technique and an equal power distribution algorithm in case of a multiple input multiple ou...
Citation Formats
E. Tatar, S. E. Alper, and T. Akın, “EFFECT OF QUADRATURE ERROR ON THE PERFORMANCE OF A FULLY-DECOUPLED MEMS GYROSCOPE,” 2011, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/40114.