The Research of Temperature Compensation for Thermopile Sensor Based on Improved PSO-BP Algorithm

Yuanjiang Li, Yuehua Li, Feng Li, Bin Zhao and QingQing Li

Mathematical Problems in Engineering, 2015, vol. 2015, 1-6

Abstract:

When thermopile sensor is used for safety monitoring of equipment in industrial environments, particularly for measuring the thermal radiation information of device, the measured result of this kind of sensor is usually affected by ambient temperature due to its unique structure. An improved PSO-BP algorithm is proposed for temperature compensation of thermopile sensor and correcting the error in the condition of the system accuracy requirements reduced by temperature. The core of improved PSO-BP algorithm is to improve the certainty of initial weights and thresholds that belonged to BP neural network and then train the samples by using BP neural network for enhancing the generalization ability and stability of system. The experimental results show that the proposed PSO-BP network outperforms other similar algorithms with faster convergence speed, lower errors, and higher accuracy.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:854945

DOI: 10.1155/2015/854945

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