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A Temperature Error Parallel Processing Model for MEMS Gyroscope based on a Novel Fusion Algorithm

School of Instrument and Electronics, North University of China, Tai Yuan 030051, China
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Electronics 2020, 9(3), 499; https://doi.org/10.3390/electronics9030499
Received: 16 February 2020 / Revised: 4 March 2020 / Accepted: 16 March 2020 / Published: 18 March 2020
(This article belongs to the Section Microelectronics and Optoelectronics)
To deal with the influence of temperature drift for a Micro-Electro-Mechanical System (MEMS) gyroscope, this paper proposes a new temperature error parallel processing method based on a novel fusion algorithm. Firstly, immune based particle swarm optimization (IPSO) is employed for optimal parameters search for Variational Modal Decomposition (VMD). Then, we can get the optimal decomposition parameters, wherein permutation entropy (PE) is employed as the fitness function of the particles. Then, the improved VMD is performed on the output signal of the gyro to obtain intrinsic mode functions (IMFs). After judging by sample entropy (SE), the IMFs are divided into three categories: noise term, mixed term and feature term, which are processed differently. Filter the mixed term and compensate the feature term at the same time. Finally, reconstruct them and get the result. Compared with other optimization algorithms, IPSO has a stronger global search ability and faster convergence speed. After Back propagation neural network (BP) is enhanced by Adaptive boosting (Adaboost), it becomes a strong learner and a better model, which can approach the real value with higher precision. The experimental result shows that the novel parallel method proposed in this paper can effectively solve the problem of temperature errors. View Full-Text
Keywords: adaptive boosting (Adaboost); compensation; denoising; immune based particle swarm optimization (IPSO); MEMS gyroscope; variational modal decomposition (VMD) adaptive boosting (Adaboost); compensation; denoising; immune based particle swarm optimization (IPSO); MEMS gyroscope; variational modal decomposition (VMD)
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Ma, T.; Cao, H.; Shen, C. A Temperature Error Parallel Processing Model for MEMS Gyroscope based on a Novel Fusion Algorithm. Electronics 2020, 9, 499.

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