Neural PID Control Strategy for Networked Process Control

Jianhua Zhang and Junghui Chen

Mathematical Problems in Engineering, 2013, vol. 2013, 1-11

Abstract:

A new method with a two-layer hierarchy is presented based on a neural proportional-integral-derivative (PID) iterative learning method over the communication network for the closed-loop automatic tuning of a PID controller. It can enhance the performance of the well-known simple PID feedback control loop in the local field when real networked process control applied to systems with uncertain factors, such as external disturbance or randomly delayed measurements. The proposed PID iterative learning method is implemented by backpropagation neural networks whose weights are updated via minimizing tracking error entropy of closed-loop systems. The convergence in the mean square sense is analysed for closed-loop networked control systems. To demonstrate the potential applications of the proposed strategies, a pressure-tank experiment is provided to show the usefulness and effectiveness of the proposed design method in network process control systems.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:752489

DOI: 10.1155/2013/752489

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