用继电器反馈辨识3 × 3 MIMO系统

2014 IEEE International Conference on Advanced Communications, Control and Computing Technologies Pub Date : 2014-05-08 DOI:10.1109/ICACCCT.2014.7019380

K. Bijeesh, D. Kalpana, T. Thyagarajan

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引用次数: 4

摘要

对3 × 3多输入多输出(MIMO)系统进行了继电器反馈测试。本文所考虑的系统由一阶加死区(FOPDT)型的变时滞分量传递函数组成。导出了系统相互作用传递函数的继电响应的时域解析表达式。利用继电器响应估计了系统的所有参数。用Ogunnaike Ray (OR)精馏塔模型对该方法进行了说明。由此获得的模型参数可用于开发基于模型的控制方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Identification of 3-by-3 MIMO system using relay feedback

Relay feedback tests are carried out on 3- by- 3 multi input multi output (MIMO) system. The system considered here consists of component transfer functions of first order plus dead time (FOPDT) type with variable time delays. Analytical expressions for relay responses in time domain for the interactive transfer functions of the systems are derived. All parameters of the system are estimated with the help of relay responses. The proposed approach is illustrated using Ogunnaike Ray (OR) distillation column model. The model parameters thus obtained can be used to develop model based control schemes.

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2014 IEEE International Conference on Advanced Communications, Control and Computing Technologies

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