In order to make carrier-based aircraft receive the wave-off signal in time when danger occurring during landing carrier, the decision system for aircraft wave-off was studied.

Discussing the miss-approach decision making is a benefit to pilots in their effort to improve the consciousness of environment and the ability to cope with an emergency in which miss-approach becomes irrevocable.

Research on decomposition and transformation of complex decision problem based on cloud and/or tree;

Presentation of uncertain knowledge in group complex decision making based on cloud theory;