As small celestial body exploration advances, higher requirements with regard to system
safety and landing precision are proposed for future landing and sample return missions …

Autonomous close-proximity operations (hovering, landing) in the low-gravity environment
exhibited by asteroids are particularly challenging. A novel nonlinear landing guidance …

This paper presents an autonomous landing navigation and guidance scheme for future
asteroid sample return mission. An autonomous navigation scheme based on feature …

Hayabusa2 deployed two artificial landmarks called “target markers (TMs)” on the asteroid
Ryugu for autonomous landing control. To achieve precise deployment on target landing …

Boundedness of Spacecraft Hovering Under Dead-Band Control in Time-Invariant Systems
Page 1 Boundedness of Spacecraft Hovering Under Dead-Band Control in Time-Invariant …

The variable structure control (VSC) with sliding mode is presented to design a tracking
control law to ensure the fast and accurate response and robustness of guidance law in this …

This paper presents a multi-sensor navigation approach to allow a formation of spacecraft to
autonomously navigate in the proximity of a Near Earth Asteroid. Multiple measurements …

Autonomous optical navigation schemes for pinpoint landing of spacecraft on asteroids are
considered. Due to the long communication delay and complicated dynamic environment …

Landing exploration is an important way to improve the understanding of small bodies.
Considering the weak gravity field as well as the strict attitude constraints which make …

Future space exploration missions require precise information about the lander pose during
the descent and landing steps. An effective algorithm that utilizes crater detection and …