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模糊PID控制在变频空调中的应用 被引量:3

Application of Fuzzy-PID control in Variable Frequency Air Conditioner
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摘要 空调系统为非线性设备,由于它的干扰严重、各参数耦合性强、大滞后性、参数时变性和受环境影响大等特点,使空调系统的节能问题变的被受关注。对于空调系统,使用常规的控制方法很难实现最佳效果。本文基于热传递原理,分析了室内温度变化规律,建立了室内温度数学模型,提出了模糊PID控制策略。空调系统为非线性设备,由于它的干扰严重、各参数耦合性强、大滞后性、参数时变性和受环境影响大等特点,使空调系统的节能问题变的被受关注。对于空调系统,使用常规的控制方法很难实现最佳效果。本文基于热传递原理,分析了室内温度变化规律,建立了室内温度数学模型,提出了模糊PID控制策略。 The air conditioner system is a nonlinear system with multi-interference,close coupling parameters,changefully working conditions and high inertia.Therefore,it's difficult to achieve optimal results by using a simple control method.Based on the principle of heat transfer,this paper analyzes the room temperature change,establishes the mathematic model of air conditioned room temperature,and puts forward a practical fuzzy-PID control strategy.
出处 《微计算机信息》 2011年第8期85-86,22,共3页 Control & Automation
关键词 模糊控制 PID控制 变频空调 热传递 fuzzy control PID control variable frequency air conditioner heat transfer
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