By using search technique for dynamic self-optimization, the on-line adjusting of air-gas ratio of combustion of soaking pits is achieved successfully.

This paper presents a new method of detecting whole premixing combustion air-gas ratio, describes the principles and operational steps of the method, and analyzes its application prospect.

Note that the compression ratios shown above reflect the expansion ratio, which is the ratio of the combustion chamber volumes when the piston is at Bottom dead centre and Top dead centre.