Control design for an irrigation channel from physical data

Ooi, Su Ki; Weyer, Erik

doi:10.1016/j.conengprac.2008.01.004

Cited by 61 publications

(23 citation statements)

References 22 publications

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“…This is caused by the requirement of these controllers to communicate in every control step during their operation either with each other in case of distributed control, or with a control center in case of centralized control. The other extreme solution broadly used in practice is the application of decentralized PI controllers installed at each gate along the canal [10,11,16,27]. The decentralized PI controllers, while they do not add up to the communication burden as such controllers require only local information from a pool, may be unable to produce a good enough overall performance.…”

Section: Motivation and Contributionsmentioning

confidence: 98%

Hierarchical MPC-Based Control of an Irrigation Canal

Sadowska

Overloop

Burt

et al. 2015

Operations Research/Computer Science Interfaces Series

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We discuss the problem of controlling an irrigation canal to accommodate fast changes in the canal state in response to events such as offtakes announced with no time lag or sudden weather changes. Our proposed approach comprises a hierarchical controller consisting of two layers with decentralized PI controllers in the lower layer and a centralized MPC-based event-driven controller in the higher layer. By incorporating the hierarchical controller structure we achieve a better performance than with the PI controllers only as currently in use in the real world, while barely increasing the communication requirements and remaining robust to temporary communication link breakdowns as the lower layer can work independently of the higher layer when the links are being restored. The operation of the higher-layer controller relies on controlling the head gate and modifying the settings of the local controllers. This way, an acceleration of water transporting is attained as the controller allows for rapid reactions to the need for more water or less water at a location. Specifically, when there is a sudden need for water, the storage in some of the pools is used to temporarily borrow water. Alternatively, when there is too much water at a location, it can be stored for some time in upstream or downstream pools before the PI controllers manage to remove the water.A. Sadowska ( ) • B. De Schutter

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Section: Motivation and Contributionsmentioning

confidence: 98%

Hierarchical MPC-Based Control of an Irrigation Canal

Sadowska

Overloop

Burt

et al. 2015

Operations Research/Computer Science Interfaces Series

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“…It is suitable for controller design, prediction and fault detection purpose [26]. In 2007 Cantoni et al [27], Litrico, Malaterre et al [28], 2005 Litrico, Fromion et al [19], Van Overloop, Schuurmans et al [29], 2011 Nasir, Muhammad [30], 2009 Negenborn, Van Overlook et al [31], 2008 Ooi, Weyer [32],2001, Weyer [33] and others have proved that the system identification and control system can improve the service quality and water distribution efficiency of irrigation canals. Yang and Wang [34] both studied the principle and method of dynamic system parameter identification for gate (valve) characteristics of South-to-North Water Transfer Project of China in 2011, and validated them with measured data.…”

Section: Introductionmentioning

confidence: 99%

Online Model Identification Of Open-Channel System With High Order IDZ Model

Liao

Guan

et al. 2018

MATEC Web Conf.

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In the control of open-channel, it is difficult to estimate wave propergation time because of the complexity of reflection, superposition and energy attenuation of shallow water waves. Although Saint-Venant equation have reasonable accuracy in describing the motion law of unsteady flow, mathematically it is the first order quasilinear hyperbolic partial differential equations which makes it difficult to be used as control model in the design optimized controller. The Channel Integrator Delay Zero (IDZ) model linearizes the Saint-Venant equation and ensures the accuracy of the response of water level and discharge in high frequency band. However, there is still a considerable difference between the theoretical value and the actual response. In order to avoid this difference caused by theoretical derivation, this paper uses the single channel model of Zhanghe Irrigation District to play online identification of the relevant parameters by using the existing periodic response process of the canal system. The reliability of model identification under step water intake is verified, and the effect of this method on periodic water intakes in long channel is verified. The results show that the identified model can catch most dynamic action of the canal system with water intakes, which ensures its validity to be used for controller design. Meanwhile, it is simple in application.

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“…Many control systems have been developed and applied in irrigation networks to improve their performance (Litrico and Fromion, 2005;Stringam and Esplin, 2006;Ooi and Weyer, 2008;Isa et al, 2011;Li -fang, 2012;Figueiredo et al, 2013); some of them have succeeded and some have failed.…”

Section: Introductionmentioning

confidence: 99%

Development of a Conceptual Model for Application of Hydro‐Mechanical Gates in Irrigation Networks by a System Dynamic Approach

Hosseinzadeh

Monem

Nahavandi

et al. 2017

Irrigation and Drainage

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Poor performance of irrigation networks necessitates their improvement. One of the measures for performance improvement is application of automatic systems such as hydro‐mechanical gates. The decision‐making process for application of automatic systems is a complicated task. Reasons for this complexity are the wide range of existing technologies to be selected from, interactions between components and economic and social short‐ and long‐term impacts. Development of a suitable model which addresses all aspects of automation is needed. One suitable technique for coping with this is a system dynamic approach. In this research, the dynamic behaviour of irrigation networks using automated control systems is investigated and its conceptual model is developed as a first step of a system dynamic model. A questionnaire based on system dynamic archetypes was designed and completed by irrigation experts from six irrigation networks in Iran. In addition, interview techniques were used to collect data. The conceptual model was developed by a system dynamic approach. The conceptual model includes fixes that fail, limits to growth, eroding goals, success to the successful, and shifting the burden archetypes. The interactions between social, managerial, economic, technical and water resources in the long term, which play a significant role, are well elaborated in the developed conceptual model. Copyright © 2017 John Wiley & Sons, Ltd.

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Control design for an irrigation channel from physical data

Cited by 61 publications

References 22 publications

Hierarchical MPC-Based Control of an Irrigation Canal

Hierarchical MPC-Based Control of an Irrigation Canal

Online Model Identification Of Open-Channel System With High Order IDZ Model

Development of a Conceptual Model for Application of Hydro‐Mechanical Gates in Irrigation Networks by a System Dynamic Approach

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