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Estimating Output Variance in Closed Loop Systems
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Ming T. Tham
Veröffentlicht/Copyright:
7. März 2007
This paper attempts to address a common difficulty encountered when trying to justify a process control revamp or upgrading project — the ability to quantify potential savings/profits. A relatively simple procedure that is applicable to both continuous and digital controllers is described. Given models of the process and the controller, knowledge of the disturbance frequencies and their variances, the method is able to predict accurately the variance of the controlled output of linear control systems.
Published Online: 2007-3-7
©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston
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Artikel in diesem Heft
- Review
- A Generalized Kinetic Model for Hydrometallurgical Processes
- Advanced Modeling of Reactive Separation Units with Structured Packings
- Applications of Computational Fluid Dynamics (CFD) Tools for Gravity Concentrators in Coal Preparation
- Article
- CFD Diagnosis of the Cyclotol Manufacturing Plant: Product Quality and Process Operation
- Performance Analysis of Three Controllers for the Polymerisation of Styrene in a Batch Reactor
- Enhanced Explicit Scheme to Solve Transient Heat Conduction Problem
- Analysis and Simulation of Cross-Flow Reactor for Ethylene Epoxidation
- Learning to Control pH Processes at Multiple Time Scales: Performance Assessment in a Laboratory Plant
- Estimating Output Variance in Closed Loop Systems
- CFD Simulations for Continuous Flow of Bubbles through Gas-Liquid Columns: Application of VOF Method
- Inference of Chemical Reaction Networks Using Hybrid S-system Models
- Optimization of the Variable Reflux Ratio in a Batch Distillation Column through a Heuristic Method
- Spatial and Temporal Resolution in Data-Driven Process Modeling of an Integrated Newsprint Mill
