Nonlinear control system theory and various design techniques are widely used in the aerospace arena, especially in developing aircraft and spacecraft guidance, navigation, and control systems. Such systems have been critical to the success of many aerospace systems and will continue to be in the future.

The design of these systems involves advanced techniques including nonlinear optimization, adaptive estimation, nonlinear observer and control design methodologies. Recently these advanced techniques have been successfully applied to various types of aircraft, spacecraft, and unmanned aerial systems.

This Special Issue intends to provide a wide range of readers an excellent collection of emerging aerospace control techniques. In this context, it welcomes important contributions from renowned international researchers in applied mathematics and aerospace engineering. Original research and review articles are welcome.

Potential topics include but are not limited to the following:

• Advanced flight controls
• Aerospace system design
• Adaptive flight estimation and control
• Unmanned aerial vehicles
• Agile visual control and state estimation
• Aerospace applications of sensor fusion
• Aerial robot manipulators
• Aircraft motion planning
• Nonlinear flight optimization
• Learning-based control
• Intelligent control algorithms
• Sliding mode observer-controller design
• Model predictive control