Forestry Studies in China

, Volume 12, Issue 3, pp 142–146 | Cite as

Nondestructive testing method of wood moisture content based on a planar capacitance sensor model

Research Article
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Abstract

For our research, a new hybrid experimental-computational method is presented. We applied a least squares fitting method (LSFM) to reconstruct the wood moisture content (WMC) from the data measured with a planar capacitance sensor. A boundary element method (BEM) was used to compute the relationship between capacitance and the dielectric constant. A functional relationship between MC and the dielectric constant was identified by LSFM. The agreement of this final computation result with the experimental data indicates that this method can be used to estimate the WMC quickly and effectively with engineering analysis. Compared with popular statistical methods, a large number of experiments are avoided, some costs of testing are reduced and the efficiency of testing is enhanced.

Key words

planar capacitance sensor nondestructive testing wood moisture content boundary element method least squares fitting method 
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Copyright information

© Beijing Forestry University and Springer Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.College of ScienceHarbin Engineering UniversityHarbinP. R. China
  2. 2.College of AutomationHarbin Engineering UniversityHarbinP. R. China
  3. 3.College of Mechanical and Electrical EngineeringHarbin Engineering UniversityHarbinP. R. China

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