Journal
MEASUREMENT
Volume 48, Issue -, Pages 252-262Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.measurement.2013.11.017
Keywords
Inductive angle sensor; Response surface methodology; Degree of linearity
Funding
- National Natural Science Foundation of China [81027001]
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In the design of inductive angle sensors, optimizations are very important for efficient design. However, they are rarely available due to the complexity of electromagnetic field. Based on the response surface methodology and Maxwell finite element method, an optimal design method for the inductive angle sensor is proposed in this paper. Through selecting the key parameters of the sensor and setting initial search domain of the key parameters, the simulation experiments are completed using Maxwell software according to the central composite design. The response surface model is obtained and tested with the input and output of the simulation experiments. And the accuracy of the response surface model is further optimized by adjusting the initial search domain of key parameter ranges. Then the optimal parameters of the sensor are determined by finding the minimum value of the response surface model. To verify the validity of the optimal design, an experimental prototype of inductive angle sensor has been fabricated and tested. The degree of linearity of the simulation model and experimental prototype using the optimal design are 0.18% and 0.2%, respectively. (C) 2013 Published by Elsevier Ltd.
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