Based on the thermoelectric refrigeration principle and PID parameter self-tuning control technique, a temperature controller for semiconductor laser's environment test is designed.
基于热电制冷原理和PID参数自整定理论，本论文设计了一种半导体激光器环境的温度控制仪。
The research on the method of the temperature control for the building environment is representative in all parameter controls for the central air-conditioner.
在中央空调所有运行参数中，对楼宇环境温度控制方法的研究最具代表性。
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