Method for drift elimination in sensors

摘要

A method is described which enables full drift elimination in sensors, whose sensitivity to a quantity S depends on their relative orientation to the medium in which S is measured. The method defines each measurement as the difference of the results of two partial measurements, said partial measurements being obtained by said sensor in succession and with two different relative orientations between sensor and medium, said relative orientations corresponding to two distinct sensitivities to S. This Alternating Direction Method applies in particular to flow sensors, and enables accurate long-time volume measurement.