Gas Turbine Combustion Signal Analysis Method Based on Wavelet Packet Decomposition
A signal analysis method and wavelet packet decomposition technology, which is applied in the direction of gas turbine devices, mechanical equipment, jet propulsion devices, etc., can solve the problems of combustion signal analysis limitations, avoid even division of frequency bands, improve signal detection accuracy, and improve detection accuracy Effect
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[0022] figure 1 It is an implementation plan of a modular combustion signal analysis method for a gas turbine, including a CPU processor, an input / output module, an FPGA module, a communication module, a sensor, a signal conditioner, a man-machine interface and a control system. After the combustion signal is filtered and amplified by the signal conditioner, it is collected by the FPGA module in real time and adjusted. The collected combustion data is transmitted to the CPU processor through the PCI bus. The CPU processor is a real-time operating system, and a wavelet is built inside it. The packet decomposition algorithm analyzes the combustion signal in different frequency bands. In the analysis results, the data is divided into control data and display data. The display data is transmitted to the man-machine interface for monitoring by Ethernet communication, and the control data is transmitted by serial communication. To the control system for comprehensive processing and ...
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