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公开(公告)号：US20170030992A1
公开(公告)日：2017-02-02
申请号：US14813273
申请日：2015-07-30
CPC分类号： G01R35/00 , G01R19/32 , G01R35/005
摘要： A dynamic calibrating current sensor control system includes an input power supply that generates an input current and a current sensor interposed between the input power supply and the load. The current sensor is configured to output at least one current signal indicating a level of current delivered to the load. The dynamic calibrating current sensor control system also comprises an electronic switching control circuit that generates at least one control signal to selectively connect the input power supply to the load, and an electronic drift suppression circuit in signal communication with the current sensor and the switching control circuit. The drift suppression circuit is configured to generate a corrected current signal in response to applying an offset value to the current signal. The offset value cancels the drift current from the current signal in response to connecting the input power supply to the load.
摘要翻译： 动态校准电流传感器控制系统包括产生输入电流的输入电源和插在输入电源和负载之间的电流传感器。 电流传感器被配置为输出指示传送到负载的电流电平的至少一个电流信号。 动态校准电流传感器控制系统还包括产生至少一个控制信号以选择性地将输入电源连接到负载的电子开关控制电路，以及与电流传感器和开关控制电路进行信号通信的电子漂移抑制电路 。 漂移抑制电路被配置为响应于对当前信号应用偏移值而产生校正的电流信号。 响应于将输入电源连接到负载，偏移值抵消来自电流信号的漂移电流。
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公开(公告)号：US09581674B2
公开(公告)日：2017-02-28
申请号：US14813273
申请日：2015-07-30
CPC分类号： G01R35/00 , G01R19/32 , G01R35/005
摘要： A dynamic calibrating current sensor control system includes an input power supply that generates an input current and a current sensor interposed between the input power supply and the load. The current sensor is configured to output at least one current signal indicating a level of current delivered to the load. The dynamic calibrating current sensor control system also comprises an electronic switching control circuit that generates at least one control signal to selectively connect the input power supply to the load, and an electronic drift suppression circuit in signal communication with the current sensor and the switching control circuit. The drift suppression circuit is configured to generate a corrected current signal in response to applying an offset value to the current signal. The offset value cancels the drift current from the current signal in response to connecting the input power supply to the load.
摘要翻译： 动态校准电流传感器控制系统包括产生输入电流的输入电源和插在输入电源和负载之间的电流传感器。 电流传感器被配置为输出指示传送到负载的电流电平的至少一个电流信号。 动态校准电流传感器控制系统还包括产生至少一个控制信号以选择性地将输入电源连接到负载的电子开关控制电路，以及与电流传感器和开关控制电路进行信号通信的电子漂移抑制电路 。 漂移抑制电路被配置为响应于对当前信号应用偏移值而产生校正的电流信号。 响应于将输入电源连接到负载，偏移值抵消来自电流信号的漂移电流。
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