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Nonlinear inverse modeling of sensor based on back-propagation fuzzy logical system / 药物分析学报
Journal of Pharmaceutical Analysis ; (6): 14-17, 2007.
Article in Chinese | WPRIM | ID: wpr-621721
ABSTRACT
Objective To correct the nonlinear error of sensor output, a new approach to sensor inverse modeling based on Back-Propagation Fuzzy Logical System (BP FS) is presented. Methods The BP FS is a computationally efficient nonlinear universal approximator, which is capable of implementing complex nonlinear mapping from its input pattern space to the output with fast convergence speed. Results The neuro-fuzzy hybrid system, i.e. BP FS, is then applied to construct nonlinear inverse model of pressure sensor. The experimental results show that the proposed inverse modeling method automatically compensates the associated nonlinear error in pressure estimation, and thus the performance of pressure sensor is significantly improved. Conclusion The proposed method can be widely used in nonlinearity correction of various kinds of sensors to compensate the effects of nonlinearity and temperature on sensor output.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Pharmaceutical Analysis Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Pharmaceutical Analysis Year: 2007 Type: Article