نتایج جستجو برای: boiler control
تعداد نتایج: 1332070 فیلتر نتایج به سال:
−An empirical model to predict the boiler efficiency and pollutant emissions was developed with artificial neural networks based on the experimental data on a 360 MW W-flame coal fired boiler. The temperature of the furnace was selected as an intermediate variable in the hybrid model so that the predictive precision of NOx emissions was enhanced. The predictive precision of the hybrid model was...
The water level in boiler drum is the critical control parameter to be addressed for providing the efficient and safe operation of steam generators in power plants. The regulation is achieved by using the Artificial Intelligence (AI) technique, namely, Adaptive Neuro-Fuzzy Inference System (ANFIS). It has the capability of self-learning as ANN with the linguistic expression function of fuzzy in...
Main essence for the thermal power plants that may be either coal or natural gas power plants to be in command of the temperature and pressure controllers (PI.PD, PID) is generally employed. The raw material, coal is nosh in to the boiler using conveyer system and it is a time shifting one. This coordinated boiler turbine system, multivariable complex process, nonlinear and also slowly time var...
This paper describes the benchmark proposed for the IFAC Conference on Advances in PID Controllers (PID’12) at the end of july 2011. It is expected that this benchmark allows researchers to test their recent developments in the design of PID controllers. Two approaches to the boiling process were provided; the first ready to test a multivariable PID controller and the second ready to test PID c...
Pulp and paper mills are high power consuming industries. Pulp and integrated mills produce power via steam turbines in recovery boilers. Due to high power prices and the fact that biomass combusted in the recovery boiler is considered as green energy, there is today a desire to always increase the power generation when investing in new recovery boilers. In order to increase power output from t...
In this paper, an MIMO boiler control problem of Benchmark PID 2012 is studied, and a multi-loop PID control system is designed by our data-driven loop-shaping method. Our method is applicable to non-minimum phase or time-delay SISO plants very easily especially for stable plants, and a good disturbance rejection can be attained with a specified stability margin. The boiler model has non-minimu...
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