| 摘要 |
<p>A current measurement system (10) for a battery (12) is provided. The current measurement system has a shunt resistor (14) in electrical communication with the battery. The shunt resistor is operative to generate a shunt voltage in response to the current flowing through the battery. The system further includes a voltage to frequency converter (16) in electrical communication with the shunt resistor. The voltage to frequency converter is operative to generate a frequency signal in response to the shunt voltage. A processor (18) of the system determines a frequency value from the frequency signal and determines the current of the battery from predetermined current values. In this respect, the processor can linearly interpolate the current through the battery from the value of the frequency signal and stored predetermined current values such that an accurate current measurement can be made.</p> |
