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MLD Model of Boiler-Turbine System Based on PWA Linearization Approach

2012/2/4 · The boiler-turbine system can be modeled as a multi-input multi-output (MIMO) nonlinear system. This system is strongly coupled and is subject to various constraints on both inputs and outputs. In literatures that used the linearized form of boiler-turbine system, they obtained a linearized model using a truncated Tylor series expansion of nonlinearequations …

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An Optimizing Parameter-Tuning of Multi-Loop Controllers for …

2012/4/4 · The combustion process of boiler is a complex and nonlinear system with multiple-loop. Although the traditional PID control strategy has been widely used in boiler combustion systems, it is still difficult to achieve satisfactory parameter-tuning due to the complexity of the system. In this paper, the PID controllers adjusted by an adaptive immune evolutionary …

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(PDF) Simulation of multi-link invariant control system for steam …

Simulation block-diagram of the steam boiler invariant control system, containing closed loop PID control circuit and open loop DPC circuit, has been composed …

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(PDF) Invariant Method of Load Independent Pressure Control in …

Invariant Method of Load Independent Pressure Control in Steam Boiler Download Related Papers Modelling, Automation, Control and Intelligent Systems Matlab simulation of temperature control of heat exchanger using different controllers By Fabio Alejandro

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Optimization of main boiler parameters using soft

2014/8/26 · Andris Sniders, Toms Komass, "Simulation Of Multi- Link Invariant Control System For Steam Boiler" Engineering For Rural Development, Jelgava, 23.-24.05.2013 [7]. Navratil. P and Balate. J " Simulation of control of multi- variable control loop : Steam Turbine

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Multi-model GPC for steam temperature system of circulating …

2003/11/5 · In the view of the large time-delay and fast time-varying characteristics of steam temperature system of circulating fluidized bed boiler (CFBB), steam temperature properties effected by spray-water and feed-water are studied in different steam load. Multi-model forward-feedback adaptive generalized predictive control (GPC) is proposed. The new method has …

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(PDF) STEAM TEMPERATURE CONTROL OF A BOILER USING …

REFERENCES [1] Andris Sniders, Toms Komass, " Simulation of Multi-Link Invariant Control System for Steam Boiler," Latvia University of Agriculture, Engineering For Rural Development Jelgava, 23.-24.05.2013. [2]

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CiteSeerX — Development of a Combination Boiler Simulator using General Purpose Simulation Tools…

The boiler that was simulated is a vintage Riley Traveling Grate Spreader Stoker-fired drum unit that is fired by crushed coal and wood bark. It is controlled by a Digital Control System (DCS) and is installed in a paper-mill powerhouse, which is owned by a major

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Control Engineering | Power Control: Advanced Process Control

2011/6/20 · Stable control on boiler key combustion parameters balances the burner management system, reducing thermal stress factors and equipment degradation from unstable control. Environmental legislation requires power generation utilities to reduce harmful gases such as nitrous oxides (NOx) and carbon monoxide (CO) emissions from coal-fired boilers.

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The Application of Intelligent Control to Combustion Control System of CFB Boiler …

2009/8/14 · Abstract: The combustion in circulated fluidized-bed (CFB) boiler is a complex and multi-variables coupling process. It is too difficult to build an exact mathematic model to describe the process. The main steam pressure control is an important subsystem of burning system, and it is difficult for the norm PID algorithm to control it.

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Boiler design - Wikipedia

Boiler design is the process of designing boilers used for various purposes. The main function of a boiler is to heat water to generate steam. Steam produced in a boiler can be used for a variety of purposes including space heating, sterilisation, drying, humidification and power generation. The temperature or condition of steam required for

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Simultaneous gains tuning in boiler turbine pid-based controller …

2016/3/10 · This control system is typical of many drum boiler control system architectures; although a real control system has many additional details that have not been included in this example. This example assumes that no prior loop tuning has been done, so that the system is completely detuned.

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An automatic closed-loop control system of boiler load for …

2014/9/2 · A system for automatic closed-loop control of drum boiler heat load for combined joint and separate combustion of blast-furnace, coke, and natural gases under the conditions of randomly changed flow rates of blast-furnace and coke gases is considered. For achieving more efficient operation of the automatic control system, it is proposed to introduce circuits for …

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Modern Techniques for the Simulation of Large Closed-Loop Systems …

1980/1/1 · The boiler itself operates within the automatic boiler control loops, namely, the automatic combustion control system and the boiler water level control system. In addition, there are other control systems to regulate boiler feed pressure, auxiliary exhaust pressure, fuel oil service pressure, etc.

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Invariant Control of the Technological Plants to Compensate an …

2016/6/1 · A specified subject of research is the simulation model of the multi-link invariant control system for steam pressure stabilisation in a steam boiler by preemptive compensation of steam load and feed water flow impact on output parameter (steam pressure

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Water Tube Boiler | Operation and Types of Water Tube Boiler | Electrical4U

2012/2/24 · Again if the steam is taken trough steam outlet, the pressure inside the system falls and consequently the convectional flow of water becomes faster which result in faster steam production rate. In this way the water tube boiler can control its own pressure.

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The Application of Intelligent Control to Combustion Control System of CFB Boiler …

2009/8/14 · Abstract: The combustion in circulated fluidized-bed (CFB) boiler is a complex and multi-variables coupling process. It is too difficult to build an exact mathematic model to describe the process. The main steam pressure control is an important subsystem of burning system, and it is difficult for the norm PID algorithm to control it.

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Modern Techniques for the Simulation of Large Closed-Loop …

1980/1/1 · The boiler itself operates within the automatic boiler control loops, namely, the automatic combustion control system and the boiler water level control system. In addition, there are other control systems to regulate boiler feed pressure, auxiliary exhaust pressure, fuel oil service pressure, etc.

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Invariant Control of the Technological Plants to Compensate an …

2016/7/26 · simulation model of the multi-link invariant control system for steam pressure stabilisation in a steam boiler by preemptive compensation of steam load and feed water flow impact on output parameter (steam pressure), developed in MATLAB/SIMULINK

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An automatic closed-loop control system of boiler load for combined joint and separate combustion …

2014/9/2 · A system for automatic closed-loop control of drum boiler heat load for combined joint and separate combustion of blast-furnace, coke, and natural gases under the conditions of randomly changed flow rates of blast-furnace and coke gases is considered. For achieving more efficient operation of the automatic control system, it is proposed to introduce circuits for …

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