1. Robust control theory:
a. robust controller design.
b. robust stability analysis.
c. development of the π-sharing theory.
2. Time-delay system theory:
a. basic property analysis.
b. controller design.
3. flight control systems:
a. bank-to-turn autopilot design.
b. guidance and autopilot system design for flying vehicles with lateral jets.
4. Optimization methods:
a. applications of the linear matrix inequality method.
b. applications of the differential dynamic programming method