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Natural gas transmission pipelines are complex systems whose flow characteristics are governed by challenging nonlinear physical behavior. These pipelines extend over hundreds and even thousands of miles. Gas is typically injected into the system at a constant rate, and a series of compressors is distributed along the pipeline to boost the gas pressure to maintain system pressure and throughput. These...
In this paper, a networked programming environment is proposed, using Web as a man-machine interface. It is seamlessly integrated by Ch computing environment, Web server and some compiler/interpreter. It uses CGI programs as middleware for connecting various software tools. Ch computing environment is a complete C interpreter. As execution engine of C/C++ script, it achieves to run CGI programs. CGI...
This paper presents a generic programming method for solving a class of uncertain mathematical problem using a cross-platform C/C++ computing environment called Ch. Ch supports computational arrays, a graphical plotting library, and advanced numerical functions for solving complicated problems in engineering and science conveniently. In the proposed method, a mathematical model is described as a string...
Coupling multi-variable controller contains some problems of complex nonlinear control. Single neuron PID controller has a good capability of self-adapting, self-learning, nonlinear and robustness. This paper uses some single neuron PID controllers to design coupling multi-variable controller, accompanying a large amount of optimization problem of nonlinear multi-dimension complex function. To solve...
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