本文分析了PC 机与PLC 的特点,提出由PC 机实现复杂的算法,得到的控制量下传到PLC,通过PLC 完成要求的控制功能。这样,既能容易地加入先进的控制策略与算法,又能可靠、稳定地实现控制。本论文以BP 神经网络PID 在温度控制中的应用为例,通过与Matlab 接口的单片机数据采集板,结合AB 公司的SLC5 实现了神经网络PID 的温度控制。关键词:BP 神经网络 PID Matlab 数据采集板Abstract: the paper analyses the characteristic of PC and PLC, puts forward an idea that PCworks out the complex operation, and the result transfers to PLC.PLC completes the controlfunction.It is easy to add the advanced control strategy, also achieve the good result reliablysteadily.For example the BP NN PID in the temperature control system, through the data collect board which can access to Matlab,with AB company SLC5 achieve NN PID control in temperature control system.keyword:BP Neural Network, PID, Matlab, data collect board
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