Abstract： The fault of gas valve often happen for reciprocating compressor. If the fault is not found and solved in time, the compressed gas will leak from gas valve and the efficiency of reciprocating compressor will be greatly reduced. If the valve plate breaks and falls into the cylinder, the serious accident such as piston scraping will occur. Viewing of the current reciprocating compressor valve fault diagnosis problem that the degree of valve fault can’t be evaluate, automatic identification method to extract gas valve early shock signal based on chaotic fractal theory is presented. Early warning of gas valve fault is implemented by chaotic entropy analysis method.
2012, Vol. 31 
