压阻式传感器温度误差补偿技术  

Compensation Technology for Thermal Errors of Piezoresistive Sensor

作　　者：张文[1] 胡生清[1] 

机构地区：[1]合肥工业大学仪器仪表学院,安徽合肥230009

出　　处：《电子质量》2003年第11期6-7,共2页Electronics Quality

摘　　要：介绍了一种简单实用的压阻式传感器零点温度误差补偿技术在恒流源供电下,可用计算机同时采集多个待补偿传感器的输出电压和电桥输入端电压,即可通过软件自动计算出补偿电阻的大小并确定补偿位置,通过实验获得了较好的补偿效果,可以方便的指导实际生产。A practicai technology for thermal zero compensation of piezoresistive sensor is introdueed. Exctted by current source, we can sample the output voltage and bridge voltage of the multi-sensors need to be compensated by computer. Then the value of resistor used to compensate can be calculated, and the position of the resistor can also be decided by soflvvare automatically. The compensated result is good. This technology can be used in practice conveniently.

关 键 词：压阻式传感器 温度误差补偿 零点漂移 数据处理 恒压源供电 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]