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Construction method and system of wind balance model and wind balance method and system

A technology of balance model and construction method, which is applied in the construction of wind balance model and the field of wind balance technology, which can solve the problems of unbalanced adjustment and high energy consumption, and achieve the effects of ensuring measurement accuracy, reducing energy consumption, and increasing prediction accuracy

Pending Publication Date: 2022-08-05
CHINA JILIANG UNIV +1
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the disadvantages of unbalanced adjustment and high energy consumption at each end of the ventilation system in the prior art, the present invention provides a construction technology of a wind balance model, and a wind balance technology realized by using the constructed wind balance model; the invention constructed The wind balance model predicts the voltage and power of the fan and the opening of each air valve through machine learning methods, which can effectively reduce the energy consumption of the corresponding ventilation system while meeting the target air volume

Method used

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  • Construction method and system of wind balance model and wind balance method and system
  • Construction method and system of wind balance model and wind balance method and system
  • Construction method and system of wind balance model and wind balance method and system

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Embodiment 1

[0064] Embodiment 1, a kind of construction method of wind balance model;

[0065] The input of the wind balance model is flow data, and the output is corresponding prediction data;

[0066] The flow data includes the design flow corresponding to each damper;

[0067] The prediction data includes prediction values ​​corresponding to each adjustment item, and the adjustment item includes fan voltage, fan power, and several damper angles.

[0068] The existing wind balance method, by adjusting the angle of the air valve and the voltage of the fan, makes the angle of the air valve and the voltage of the fan reach the minimum value under the premise of satisfying the design flow, that is, it is determined that the best energy saving effect is achieved; in order to achieve the purpose of energy saving; but the actual The most direct factor that affects the energy consumption of the ventilation system is the power of the fan. In this embodiment, the power of the fan is used as an a...

Embodiment 2

[0173] Embodiment 2. A system for constructing a wind balance model, which is used to construct a wind balance model based on a mapping matrix. The input of the wind balance model is flow data, and the output is corresponding prediction data. The prediction data includes all adjustment items. The corresponding predicted value, the adjustment items include fan voltage, fan power and several damper angles;

[0174] like Figure 7 shown, including:

[0175] The sampling module 100 is used to obtain sample data, the sample data includes flow sample data and working sample data, the flow sample data corresponds to the working sample data, and the working sample data includes the real data corresponding to each adjustment item value;

[0176] a configuration module 200, configured to configure hyperparameter data, where the hyperparameter data includes a value range of an angle constraint parameter, a voltage constraint parameter, and a power constraint parameter;

[0177] A calc...

Embodiment 3

[0183] Embodiment 3, a kind of wind balance method, comprises the following steps:

[0184] Input the target flow data into the wind balance model, and the wind balance model outputs the corresponding prediction data, the prediction data includes the prediction value corresponding to each adjustment item, and the adjustment item includes the fan voltage, fan power and several dampers angle, wherein the wind balance model is constructed by using the construction method described in Example 1 to construct the obtained wind balance model.

[0185] The target ventilation system balance operation is controlled based on the predicted data.

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Abstract

The invention discloses a construction method and system of a wind balance model and a wind balance method and system.The input of the wind balance model is flow data, the output of the wind balance model is corresponding prediction data, the prediction data comprises prediction values corresponding to adjustment items, and the adjustment items comprise fan voltage, fan power and a plurality of air valve angles; the construction method comprises the following steps: acquiring sample data; configuring hyper-parameter data, wherein the hyper-parameter data comprises value ranges of an angle constraint parameter, a voltage constraint parameter and a power constraint parameter; constructing a target function, wherein the target function comprises an error loss function, an energy-saving constraint strategy and a regularization term; and determining a mapping matrix based on the sample data, the hyper-parameter data and the objective function, and constructing a wind balance model based on the mapping matrix. Through the design of the angle constraint parameter, the voltage constraint parameter and the power constraint parameter, more energy is saved on the premise of ensuring the measurement precision.

Description

technical field [0001] The invention relates to the field of ventilation control, in particular to a construction technology of a wind balance model and a wind balance technology realized by using the constructed wind balance model. Background technique [0002] With the continuous deepening of green buildings in my country, the demand for intelligent ventilation systems is getting higher and higher. Green building refers to a high-quality building that saves resources, protects the environment, reduces pollution, provides people with healthy, suitable and efficient use space, and maximizes the harmonious coexistence of man and nature during the entire life cycle. As the main component of building energy consumption, intelligent ventilation system is of great significance to the development of green building. For the intelligent ventilation system, its main components are the air valve and the fan, and the control of the air valve and the fan is an important factor for the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06F111/04G06F113/06G06F113/08
CPCG06F30/20G06F2111/04G06F2113/08G06F2113/06Y02B30/70
Inventor 蔡慧包睿盎张欣
Owner CHINA JILIANG UNIV