This paper investigates the comparison between mixed H 2 /H∞ with regional pole placement control and H 2 optimal control for the design of steam condenser. The comparison have been made for a step change in the steam condenser pressure set point for a step change of 10 & 23 seconds using MATLAB/Simulink environment for the steam condenser with mixed H 2 /H∞ with regional pole placement controller, steam condenser with H 2 optimal controller and steam condenser without controller. The steam condenser with mixed H 2 /H∞ with regional pole placement controller presented excellent and superior dynamic performance in response to the two step changes and an improvement in settling time. The overall simulation results demonstrated that the steam condenser with mixed H 2 /H∞ with regional pole placement controller can be an efficient alternative to the steam condenser with H 2 optimal controller for the steam condenser.
Inhaltsverzeichnis (Table of Contents)
- Introduction
- MODELLING OF STEAM CONDENSER
- Active Suspension System Mathematical Model
- The Proposed Controller Design
- H 2 Optimal Controller Design For Steam Condenser
- Mixed H 2 /Hoo with Regional Pole Placement Controller design for steam condenser
- Result and Discussion
- Simulation of the cooling water outlet temperature for a step change of 10 & 23 seconds
- Simulation of the cooling water Flow Rate for a step change of 10 & 23 seconds
Zielsetzung und Themenschwerpunkte (Objectives and Key Themes)
This paper investigates the comparison between mixed H 2 /Hoo with regional pole placement control and H 2 optimal control for the design of steam condenser. The primary objective of the paper is to evaluate the dynamic performance of steam condenser systems using different control strategies. This comparison is conducted using MATLAB/Simulink simulation environment, and the performance is analyzed for step changes in the steam condenser pressure set point.
- Design and analysis of steam condenser systems
- Comparison of different control strategies (mixed H 2 /Hoo with regional pole placement control, H 2 optimal control)
- Dynamic performance evaluation under step changes in pressure set points
- Evaluation of control strategies based on settling time and overall dynamic response
- Exploration of mixed H 2 /Hoo with regional pole placement control as an alternative to H 2 optimal control
Zusammenfassung der Kapitel (Chapter Summaries)
The introduction chapter provides an overview of the steam condenser and its importance in various energy plants. It highlights the critical role of the condenser's reliability in ensuring the safety and economic operation of the entire system. Mathematical models that describe the condenser's operation in different scenarios are discussed, emphasizing the significance of understanding dynamic characteristics for optimization.
The second chapter delves into the dynamic modelling of the steam condenser. The model is developed based on mass and energy balance principles, with the heat of the steam being equated to the heat transferred to the cooling water. The chapter presents the key equations for energy balance and mass balance, outlining the variables and parameters involved in the steam condenser system. Tables 1 and 2 provide a comprehensive list of these variables and parameters, including their units and values.
The third chapter explores the proposed controller designs, focusing on both H 2 optimal controller design and mixed H 2 /Hoo with regional pole placement controller design. It introduces the general configuration for feedback design problems, showcasing how they can be formulated as H 2 optimization problems. Block diagrams are included to visually represent the steam condenser systems with both H 2 optimal and mixed H 2 /Hoo controllers.
Schlüsselwörter (Keywords)
Steam condenser, H 2 optimal control, mixed H 2 /Hoo with regional pole placement control, dynamic performance, MATLAB/Simulink simulation, settling time, energy balance, mass balance, control strategies, step change, pressure set point, reliability, economic operation.
Frequently Asked Questions
What is the main purpose of this research on steam condensers?
The paper compares the efficiency of mixed H2/H∞ with regional pole placement control against H2 optimal control for designing steam condensers.
Which control strategy showed superior dynamic performance?
The mixed H2/H∞ with regional pole placement controller demonstrated superior dynamic response and improved settling time compared to the H2 optimal controller.
What software environment was used for the simulations?
The study utilized the MATLAB/Simulink environment to simulate and analyze the performance of the various steam condenser control systems.
How is the steam condenser modelled in this study?
The model is based on mass and energy balance principles, equating the heat of the steam to the heat transferred to the cooling water.
Why is steam condenser reliability critical for energy plants?
Reliability is essential for ensuring both the safety and the economic operation of the entire system within energy plants.
What specific variables were simulated?
Simulations focused on cooling water outlet temperature and flow rate in response to step changes in pressure set points.
- Quote paper
- Mustefa Jibril (Author), 2020, Comparison of Mixed H 2 H∞ with Regional Pole Placement Control and H 2 Optimal Control for the Design of Steam Condenser, Munich, GRIN Verlag, https://www.grin.com/document/541830
