An indoor temperature and humidity field rapid prediction system and method
A prediction system, temperature and humidity technology, applied in the direction of prediction, manufacturing computing systems, neural learning methods, etc., can solve the problems of poor model calculation accuracy, time-consuming calculation, and inability to provide indoor temperature and humidity field information, etc.
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Embodiment 1
[0092] see figure 1 , a rapid prediction system for indoor temperature and humidity field, mainly includes a power drive module, p+1 temperature and humidity data acquisition modules, a data transmission module and a host computer.
[0093] The power drive module supplies power to the temperature and humidity data acquisition module.
[0094] The p temperature and humidity data acquisition modules are arranged in the grid positions corresponding to the maximum absolute values of the p POD modes in the indoor CFD (computational fluid dynamics) model.
[0095] The main steps to calculate the POD mode of the CFD model are as follows:
[0096] 1) Perform dynamic simulation on the CFD model. For the plane where the temperature and humidity need to be controlled to achieve thermal comfort, at t 1 ,t 2 ,...,t M Record M indoor temperature and humidity fields θ′ at each time t1 ,θ′ t2 ,…,θ′ tM .
[0097] 2) Calculate the fluctuation component θ of M indoor temperature and hu...
Embodiment 2
[0157] see Figure 2 to Figure 5 , a method for using a fast prediction system of indoor temperature and humidity field, mainly includes the following steps:
[0158] 1) Establish the CFD model of the indoor room, and use the POD model reduction technology to obtain p POD models. Arrange the temperature and humidity data acquisition module at the grid position corresponding to the maximum absolute value of each POD mode. Arrange a temperature and humidity data acquisition module outdoors.
[0159] 2) The temperature and humidity data collection module collects temperature and humidity data every Δt time, and transmits the data to the host computer through the data transmission module.
[0160] 3) Write and calculate the POD mode coefficient dynamic model and the POD mode coefficient optimal estimator in the host computer.
[0161] The optimal estimator of POD coefficient is obtained on the basis of establishing the dynamic model of POD mode, considering the influence of pro...
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