Focuses on the global adaptive control of a class of uncertain nonlinear systems with uncontrollable unstable linearization and unknown linear parameters.

Based on the stable reliability design theory and the optimization design method,the stable reliability-based optimization of compressive bar is extensively discussed and a numerical method for stable reliability-based optimization is proposed.

Based on the stable reliability-based optimization theory,the stable reliability sensitivity technique and the robust design method,the stable reliability-based robust design of compressive bar is extensively discussed and a numerical method for stable reliability-based robust design is proposed.

Based on stable reliability-based design theory and sensitivity analysis method,research on stable reliability-based sensitivity design for compressive bar is carried out and a numerical method for reliability-based sensitivity design is presented.

Aiming at the common problem of unstable flash frequency on flasher, The author describes in classification the factors influencing flash frequency of self-excited multirelay and puts forward the measures to increase its stability and reliability.

Based on relevant design theory and optimization method, the stability and reliability optimization of arbitrarily-distributed parameters is postulated for compression bars.