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- W2029472010 abstract "In order to improve the atom spin gyroscope's operational accuracy and compensate the random error caused by the nonlinear and weak-stability characteristic of the random atomic spin gyroscope (ASG) drift, the hybrid random drift error model based on autoregressive (AR) and genetic programming (GP) + genetic algorithm (GA) technique is established. The time series of random ASG drift is taken as the study object. The time series of random ASG drift is acquired by analyzing and preprocessing the measured data of ASG. The linear section model is established based on AR technique. After that, the nonlinear section model is built based on GP technique and GA is used to optimize the coefficients of the mathematic expression acquired by GP in order to obtain a more accurate model. The simulation result indicates that this hybrid model can effectively reflect the characteristics of the ASG's random drift. The square error of the ASG's random drift is reduced by 92.40%. Comparing with the AR technique and the GP + GA technique, the random drift is reduced by 9.34% and 5.06%, respectively. The hybrid modeling method can effectively compensate the ASG's random drift and improve the stability of the system." @default.
- W2029472010 created "2016-06-24" @default.
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- W2029472010 date "2014-11-01" @default.
- W2029472010 modified "2023-10-17" @default.
- W2029472010 title "Modeling and optimizing of the random atomic spin gyroscope drift based on the atomic spin gyroscope" @default.
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- W2029472010 doi "https://doi.org/10.1063/1.4900946" @default.
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