Method for reducing the error of the auto-oscilational accelerometer

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The issues of reducing the error in measuring acceleration by a self-oscillating accelerometer are considered. Improving the conversion accuracy is carried out by reducing the quantization error of the discrete information signal. The developed device for overcompensating the measured signal makes it possible to isolate the quantization error at a given cycle and take it into account in subsequent conversion cycles. It has been established that the mode of overcompensation of the self-oscillating accelerometer corresponds to the mode of balancing the input charge in the sigma-delta analog-to-digital converter (hereinafter referred to as ADC). The simulation of the operation of a self-oscillating accelerometer with a compensation mode has been carried out.

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Accelerometer, quantization error, quantization noise, sigma-delta adc, apparent velocity, ramp generator, current mirror, voltage-to-current converter

Короткий адрес: https://sciup.org/148325187

IDR: 148325187   |   DOI: 10.18137/RNU.V9187.22.04.P.22

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