The design of robust multi-loop-cascaded hydro governors

Eker, İlyas

doi:10.1007/s00366-004-0278-2

Cited by 11 publications

(6 citation statements)

References 16 publications

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“…Conventionally, these controllers were designed based on linear approximations of the elastic dynamics of the water and structural elements. Improvements based on H ∞ robust synthesis [336] or by deciding PI tuning based on the detailed nonlinear process model have also been reported [337].…”

Section: Hydropowermentioning

confidence: 96%

Sustainability and process control: A survey and perspective

Daoutidis

Zachar

Jogwar

2016

Journal of Process Control

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Section: Hydropowermentioning

confidence: 96%

Sustainability and process control: A survey and perspective

Daoutidis

Zachar

Jogwar

2016

Journal of Process Control

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“…Hydro governor design has been revisited lately due to the deployment of large generating units, higher transmission voltages, higher power demands and increased complexity in the interactions between generating facilities and the distribution network. This situation is discussed by Eker [5]. Eker also provides a detailed description of a multi-loop cascade control model for hydraulic systems, which is shown in Figure 2.…”

Section: Multi-loop Cascade Control Modelmentioning

confidence: 99%

Using Physical Models for Anomaly Detection in Control Systems

Svendsen¹,

Wolthusen²

2009

IFIP Advances in Information and Communication Technology

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Supervisory control and data acquisition (SCADA) systems are increasingly used to operate critical infrastructure assets. However, the inclusion of advanced information technology and communications components and elaborate control strategies in SCADA systems increase the threat surface for external and subversion-type attacks. The problems are exacerbated by site-specific properties of SCADA environments that make subversion detection impractical; and by sensor noise and feedback characteristics that degrade conventional anomaly detection systems. Moreover, potential attack mechanisms are ill-defined and may include both physical and logical aspects. This paper employs an explicit model of a SCADA system in order to reduce the uncertainty inherent in anomaly detection. Detection is enhanced by incorporating feedback loops in the model. The effectiveness of the approach is demonstrated using a model of a hydroelectric power plant for which several attack vectors are described.

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“…where 1 f is energy converted from water-deep pressure energy, 2 f is energy converted from kinetic energy, 3 f is energy converted from potential energy, 4 f -6 f is energy converted from reservoir energy. …”

Section: Hydro-energy Conversionmentioning

confidence: 99%

Optimal Electric Energy Production scheduling for Thermal-Hydro Electric Power Systems

Jiekang

2009

2009 Asia-Pacific Power and Energy Engineering Conference

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A method for optimal electric energy production of thermal-hydro power systems is presented in this paper. The electric energy produced by hydroelectric plants and coal-fired plants is divided into 4 components: potential energy, kinetic energy, water-deep pressure energy and reservoir energy. A new and important concept, reservoir energy, is proposed, based on which is divided into a number of water bodies, for example 3 water bodies, and a reservoir is analyzed in a new way. This paper presents a optimal scheduling solution of electric energy production of thermal-hydro power systems based on multi-factors analytic method, in which some important factors, such as load demand, reservoir in-flow, water-consumed volume increment rate of hydroelectric plants or converted from coal-fired plants, and so on are given to model the objective function and the constraints. A study example with three simulation cases is carried out to illustrate flexibility, adaptability, applicability of the proposed method. Keywords-Thermal-hydro power systems; optimal electric energy productio; component and factor analysis; reservoir energy; hydro-energy conversion

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The design of robust multi-loop-cascaded hydro governors

Cited by 11 publications

References 16 publications

Sustainability and process control: A survey and perspective

Sustainability and process control: A survey and perspective

Using Physical Models for Anomaly Detection in Control Systems

Optimal Electric Energy Production scheduling for Thermal-Hydro Electric Power Systems

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