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sd16_a

传感器构成的惠根斯电桥,用万用表测为正电压,按照例程在调试中发现转换结果为负值,且不稳定。查阅一些资料说是有零点漂移,但没给出解决方法,希望有人能提些建议。谢谢!

  • 如果真是零点漂移的话,应该尽量从硬件方面来改进。可以精选元件、对元件进行老化处理、选用高稳定度电源以及用稳定静态工作点,也可以采用补偿和调制两种方法。在软件方面也有用均值或者方差等解决零点漂移的办法。