Mr. Zhenyu Wang Profile

Zhenyu Wang

at Inner Mongolia Univ of Technology

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Proceedings Article | 24 October 2017 Paper

Predicting the random drift of MEMS gyroscope based on K-means clustering and OLS RBF Neural Network

Zhen-yu Wang, Li-jie Zhang

Proceedings Volume 10463, 104630C (2017) https://doi.org/10.1117/12.2282531

KEYWORDS: Microelectromechanical systems, Gyroscopes, Neural networks

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Measure error of the sensor can be effectively compensated with prediction. Aiming at large random drift error of MEMS(Micro Electro Mechanical System))gyroscope, an improved learning algorithm of Radial Basis Function(RBF) Neural Network(NN) based on K-means clustering and Orthogonal Least-Squares (OLS) is proposed in this paper. The algorithm selects the typical samples as the initial cluster centers of RBF NN firstly, candidates centers with K-means algorithm secondly, and optimizes the candidate centers with OLS algorithm thirdly, which makes the network structure simpler and makes the prediction performance better. Experimental results show that the proposed K-means clustering OLS learning algorithm can predict the random drift of MEMS gyroscope effectively, the prediction error of which is 9.8019e-007°/s and the prediction time of which is 2.4169e-006s

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