Unified moisture algorithm for improved RF dielectric grain moisture measurement

Measurement Science and Technology

Volumn 18, Issue 4, 2007, Pages 1004-1015

  Funk, David B ^a   Gillay, Zoltan ^b   Meszaros, Peter ^b  

^a USDA Grain Inspection Packers and Stockyards Administration GIPSA   (United States)

^b Institute of Entrepreneurship and Innovation   (Hungary)

Author keywords

Dielectric; Grain; Moisture; Radio frequency; Temperature correction; Transfer; Unified calibration

Indexed keywords

ALGORITHMS; DIELECTRIC PROPERTIES; GRAIN (AGRICULTURAL PRODUCT);

RADIO-FREQUENCY; TEMPERATURE CORRECTION; UNIFIED CALIBRATION;

MOISTURE;

ALGORITHMS; DIELECTRIC PROPERTIES; GRAIN (AGRICULTURAL PRODUCT); MOISTURE;

ALGORITHMS; DIELECTRIC PROPERTIES; GRAIN; MOISTURE;

EID: 34247240451     PISSN: 09570233     EISSN: 13616501     Source Type: Journal    
DOI: 10.1088/0957-0233/18/4/007     Document Type: Conference Paper

References (12)

1. Lawrence K C, Funk D B and Windham W R 1999 Parallel-plate moisture sensor for yellow-dent field corn Trans. ASAE 42 1353-7
2. Funk D B 2001 An investigation of the nature of the radio-frequency dielectric response in cereal grains and oilseeds with engineering implications for grain moisture meters PhD Dissertation University of Missouri-Kansas City
3. Nelson S O 1992 Correlating dielectric properties of solids and particulate samples through mixture relationships Trans. ASAE 35 625-9
4. GIPSA 1999 Chapter 2-moisture meter calibration Moisture Handbook pp 2.1-2.7 http://archive.gipsa.usda.gov/reference-library/handbooks/moisture/mhb- ch2.pdf
5. Hewlett-Packard 1994 HP 4291A RF Impedance/Material Analyzer Operating Manual Set (Japan: Hewlett-Packard) pp 11.3-11.17
6. Burden B 1998 Working instructions for air-oven methods WI No: AO1-10 (Kansas City, MO: USDA-GIPSA-TSD)
7. Mathsoft Inc 2001 Mathcad User's Guide with Reference Manual-Mathcad 2001i (Cambridge, MA: Mathsoft)
8. Mongia R, Bahl I and Bhartia P 1999 Special representation of two-port networks RF and Microwave Coupled-Line Circuits (Norwood, MA: Artech House) pp 47-56
9. Gillay Z and Funk D B 2003 Sensitivity analysis for VHF dielectric grain moisture measurements ASAE Paper No. 033136 (St Joseph, MI: ASAE)
10. Mongia R, Bahl I and Bhartia P 1999 Quasi-TEM Modes RF and Microwave Coupled-Line Circuits (Norwood, MA: Artech House) pp 71-3
11. NIST 2005 Sec. 5.56.(a) Grain Moisture Meters NIST Handbook 44-Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices ed T Butcher et al (Washington, DC: US Government Printing Office) pp 5.21-5.27
12. Hartyani P 2006 Comparison of loading methods in VHF-UGMA grain moisture measurement MSc Thesis Corvinus University of Budapest, Faculty of Food Science (in Hungarian)