【摘要】 由于黑体辐射源需要具有稳定和均匀的温度场来实现温度校准功能,本实验采用C8051F520单片机和PID控制算法,设计出电源转换单元电路、铂电阻测温电路、PWM控制输出电路,完成了黑体辐射源温度控制系统设计与实现。实验结果表明,该温控系统具有温度响应快、精确度高的特点。更多还原

【Abstract】 Due to the requirements of stable and consistent temperature field to satisfy the demand of temperature calibration function,this experiment adopts C8051F520 MCU and PID control algorithm and designs power conversion circuit,platinum resistor temperature measure circuit and PWM output control circuit,achieving the design and implementation of the temperature control system for blackbody radiant source.The experimental results show that the temperature control system features fast response and high precision.更多还原