Temperature compensation method for a turbidity sensor used in a

Details Temperature compensation method for a turbidity sensor used in a Temperature compensation method for a turbidity sensor used in a

1995-02-10

1995-12-26

Stinson, Frankie L.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

68 1201, 68 1203, D06F 3302

Patent

active

054775760

ABSTRACT:
A temperature compensation method for a turbidity sensor in an appliance for washing articles is provided. The method includes the steps of: measuring temperature and turbidity of a liquid, such as water, for washing the articles, calculating a turbidity value corresponding to a predetermined reference temperature; and adjusting the measured turbidity of the liquid with respect to the calculated turbidity value so as to provide a temperature compensated turbidity measurement. The method can further include the step of measuring temperature and turbidity of substantially particle-free liquid. This allows for calculating a normalized turbidity value which is substantially free or independent from temperature variation effects.

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"A New control Device for Washing Machines Using a Microcomputer and Detectors" by K. Matsuo and K. Taniguchi, IEEE Transactions on Industry Applications, vol. IA-20, No. 5, Sep./Oct. 1984, pp. 1171-1178.

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