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The theory of virtual instrument technology and artificial neural network are combined in this paper, The fuel pressure wave in the high pressure oil pipe is measured by the series connection type pressure sensor, The characteristics of fuel pressure fluctuation in high pressure fuel pipe of diesel engine are analyzed after extracting the fault feature, The typical faults of the fuel injector are...
Based on YD4A75-C3 electronic-controlled common rail diesel engine, the characteristic of in-cylinder combustion was simulated. The research results showed that fuel vapor mainly is formed in the front of the jet spray, then the great part of fuel is diffused to the combustion chamber wall, concave and clearance by jet kinetic energy. In-cylinder peak temperature region all most appears in the outer...
An intelligent coordinated control strategy has been proposed and successfully applied to 300MW circulating fluidized bed (CFB) units in China. The paper describes an intelligent coordinated control (ICC) system to overcome the long settling time, strong coupling, nonlinearity and inconstancy encountered in CFB combustion. ICC is based on both fuzzy Feedforward (fuzzy-FF) control and the fuzzy-PID...
An intelligent coordinated control strategy has been proposed and successfully applied to 135~300 MW circulating fluidized bed (CFB) boiler-turbine units in China. Because the combustion system of the CFB is a complex object characterized, it is difficult to build precise mathematic model and control it with traditional control theory. The paper describes intelligent coordinated control (ICC) system...
The boiler combustion process of power plant is a typical process with the features of multi-input, multi-output, strong non-linearity, strong jamming and close coupling. The coupling relationship between its parameters correlated with combustion process is very anfractuous, so it is very hard to solve its optimal control problem with conventional control methods. And Adaptive Critic Designs (ACDs)...
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