期刊
MECHANICAL SYSTEMS AND SIGNAL PROCESSING
卷 190, 期 -, 页码 -出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ymssp.2023.110157
关键词
Dynamic compensation; Sensor compensation; Deep learning; Deep Convolutional Generative Adversarial; Network(DCGAN); Speech Enhancement Generative Adversarial; Network(SEGAN)
Limited by the dynamic characteristics of the sensor, the high-frequency signal passing through the sensor will be distorted by dynamic error, affecting the accuracy of the real value. This paper proposes a compensation model based on deep learning to reduce the dynamic error. By using deep convolutional generative adversarial networks, the limited sensor dynamic data is augmented, and a sensor compensation model is obtained through speech enhancement generative adversarial networks. This method has demonstrated better results than traditional methods in the example of a pressure sensor.
Limited by the dynamic characteristics of the sensor, the high-frequency signal will be distorted by the dynamic error after passing through the sensor, which will affect the accuracy of the real value. To reduce the dynamic error, it is necessary to obtain a high-precision dynamic compensation model. This paper provides a solution of compensation model based on the deep learning method. First, the problem of limited sensor dynamic data is solved by data augmentation through Deep Convolutional Generative Adversarial Network. After that, the sensor compensation model is obtained by Speech Enhancement Generative Adversarial Network and applied to step signals and shockwave signals. This compensation method can compensate a variety of sensors used in the dynamic measurement. It is verified by the pressure sensor as an example in this paper, the results are better than that of traditional ones, the overshoot can be reduced from 119.2% to 2.5%, and the rising time is 5.5 mu s. The innovation of this paper is that we find a way to use deep learning methods to compensate sensor dynamic error based on a small dataset. At the same time, it is proved that this method has strong versatility, which is not available in traditional sensor compensation methods. It also provides a feasible scheme for the application of deep learning in dynamic compensation model calculation.
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