Method and device for measuring resistance of resistive sensor using an actively controlled resistor network
Abstract:
The present disclosure refers to a method of measuring resistance of the resistive sensor (5), where the value of resistance of the resistive sensor (5) is determined from its series connection with actively controlled resistor network (3) with selectable value of resistance and with a periodic waveform voltage source (7), and further a device for measuring resistance of the resistive sensor (5) including a periodic waveform voltage source (7), actively controlled resistor network (3), and a resistive sensor (5), wherein the terminals of the periodic waveform voltage source (7) are connected to the first node (2) and the third node (6), terminals of actively controlled resistor network (3) are connected to the first node (2) and the second node (4), and terminals of the resistive sensor are connected to the second node (4) and the third node (6), thus forming a connection in a resistive voltage divider with an automatic selection of one resistor of the divider, and usage of this method for measuring time-varying resistance of the sensor.
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