The temperature sensor output of nonlinear problem, in combination with the specific characteristics of nonlinear ship equipment and the actual use of the requirements, puts forward A kind of compensation for their nonlinear method, that is, through the dynamic adjustment of the drive electric current flows through platinum resistance, due to compensate for temperature resistance with platinum resistance increases are reduced and cause Nonlinear, and design the dedicated nonlinear compensation circuit. In compensation principle and effect of circuit theory analysis and computer simulation, and on the basis of the actual production The nonlinear compensation circuit, and the field test, the results indicate that the 0 ~ 650 ℃ temperature range, the nonlinear error output circuit not more than 0. 12 , are currently in This circuit as the core temperature measurement and control system has been used in practice

Pt100 温度传感器非线性的补偿方法与电路实现].pdf

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