System identification of the upper part of Murray River

被引：8

作者：

Nasir, Hasan Arshad ^{[1
]}

Weyer, Erik ^{[2
]}

机构：

[1] Univ Melbourne, Dept Elect & Elect Engn, Victoria Res Lab, Natl ICT Australia, Melbourne, Vic 3010, Australia

[2] Univ Melbourne, Dept Elect & Elect Engn, Melbourne, Vic 3010, Australia

来源：

CONTROL ENGINEERING PRACTICE | 2016年 / 52卷

关键词：

Rivers; Modelling; System identification; Parameter estimation; Grey box identification; Prediction error method; Continuous time system identification; Maximum likelihood; Data-based mechanistic modelling; Subspace identification; IRRIGATION CANALS; FLOW-CONTROL; MODEL; CONTROLLERS; CHANNEL;

D O I：

10.1016/j.conengprac.2016.04.006

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Data based modelling is an important tool for obtaining models of rivers. In this paper we consider several identification methods, namely Prediction Error Method, Maximum Likelihood, continuous time system identification, Refined Instrumental Variable method (used within the context of Data-Based Mechanistic modelling) and Subspace Identification Method, and apply them to real data from the Murray River in Australia. Both Multiple-Input Single-Output models where the output is the water level in a lake and Multiple-Input, Multiple-Output models where in addition a flow is also modelled, are considered. The models are compared in terms of their accuracy on validation data and on how easily the methods can incorporate prior knowledge. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：70 / 92

页数：23

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