The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
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