Chemical fault detection method based on particle swarm optimization and a noise reduction sparse coding machine
A technology of particle swarm optimization and fault detection, applied in neural learning methods, computer components, character and pattern recognition, etc., can solve problems such as no diagnostic performance and low fault detection rate
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[0081] This embodiment provides a chemical fault detection method based on particle swarm optimization and noise reduction sparse coding machine, the flow chart of the method is as follows figure 1 As shown, the method proposed in this embodiment is applied to the Tennessee-Eastman (TE) benchmark chemical process to further illustrate the method of this embodiment, and the TE process was published in "Computers & Chemical Engineering" SCI journal in 1993 by Downs and Vogel The computer simulation of the actual chemical process on the Internet, the process has been mainly developed to evaluate the performance of the process monitoring method, the process flow chart of the process is as follows figure 2 shown. The TE process mainly includes five operating units, namely: reactor, condenser, vapor-liquid separator, cycle compressor, and stripper. In the simulated data, a total of 41 observed variables were monitored, including 22 continuous process variables and 19 component var...
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