Can I adjust the air-conditioning temperature in metro trains according to the outdoor temperature?

The start, operation, and monitoring of the air-conditioning system is automatically controlled. Fresh air temperature sensors and passenger room temperature sensors are installed in all air-conditioning systems in metro trains to detect the temperature outside and inside the trains. However, the operation environment for air-conditioning units is complicated. The train will stop at the station once every 2 minutes for passengers to get on or get off the train, and the cooling and heating load will change frequently. The air temperature from the air-conditioning units will change as the climate condition fluctuates inside and outside the train. Actually, the air-conditioning units can not achieve constant temperature and humidity in metro trains.

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