FIELD: physics.
SUBSTANCE: accelerometer has a sensitive element, an angle sensor, pre- and selective amplifiers and a local negative feedback from the output of the selective amplifier to the input of a signal level converter through a second adder, a comparator and an integrator connected in series on data inputs, where the output of the integrator is connected to the input of the second adder through a filter with transfer constant
where k1, T1, s denote transfer constant, time constant of the filter and Laplace operator.
EFFECT: introduction of said feedback enables to design a device with a wide bandwidth and no offset.
4 dwg
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Authors
Dates
2012-04-27—Published
2010-10-25—Filed