نتایج جستجو برای: plant wide process control

تعداد نتایج: 3039894  

A. R. Fazlali, J. Tavakoli M. Mahrouei V. Ghaleh Khondabi

Industrial process control system due to integration of equipment, existing material and energy recycle streams and their effects are extraordinary importance. The process in terms of safety, product quality and control stability have a challenge when there was defects in a process control system. The isomerization process is gaining importance in the presence of refining context due to upgradi...

2011
Thomas Richard McEvoy Stephen D. Wolthusen

Industrial control systems are a vital part of the critical infrastructure. The potentially large impact of a failure makes them attractive targets for adversaries. Unfortunately, simplistic approaches to intrusion detection using protocol analysis or näıve statistical estimation techniques are inadequate in the face of skilled adversaries who can hide their presence with the appearance of legi...

Journal: :Computers & Chemical Engineering 2006
S. Y. Yim H. G. Ananthakumar Lamia Benabbas A. Horch R. Drath Nina F. Thornhill

This contribution describes how disturbances in a control system can be isolated and diagnosed automatically based on plant topology. In order to demonstrate this, a prototype software has been designed and implemented which, when given an electronic process schematic of a plant and results from a data-driven analysis, allows the user to pose queries about the plant and to find root causes of p...

Journal: :Journal of Industrial Information Integration 2022

Conventional industrial communication systems suffer from rigidness, inflexibility and lack of scalability. The environment is heterogeneous as the exchange data with a variety protocols, some which are proprietary. This makes it laborious expensive to reconfigure or upgrade systems. As solution, this article proposes message-bus-based architecture enable information between regardless their ge...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1389

in this thesis, ‎‎using‎‎ ‎concept‎s‎ ‎of‎ ‎wavelet‎s‎ ‎theory ‎‎‎som‎e‎ ‎methods‎‎ ‎of‎ ‎th‎e ‎solving‎‎ ‎optimal‎‎ ‎‎con‎tr‎ol‎ problems ‎(ocps)‎‎. ‎g‎overned by time-delay systems is investigated. ‎th‎is‎ thesis contains ‎tw‎o parts. ‎‎first, the method of obtaining ‎o‎f ‎the‎ ‎‎ocps‎ in time delay systems by linear legendre multiwavelets is ‎ ‎presented‎.‎‎‎‎ the main advantage of the meth...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2006
D Vreck K V Gernaey C Rosen U Jeppsson

In this paper, implementation of the Benchmark Simulation Model No 2 (BSM2) within Matlab-Simulink is presented. The BSM2 is developed for plant-wide WWTP control strategy evaluation on a long-term basis. It consists of a pre-treatment process, an activated sludge process and sludge treatment processes. Extended evaluation criteria are proposed for plant-wide control strategy assessment. Defaul...

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