Numerical study on low-velocity impact between asteroid lander and deformable regolith
X Zeng, Z Li, Q Gan, C Circi - Journal of Guidance, Control, and …, 2022 - arc.aiaa.org
Investigating the impact process between the hop** lander and the regolith surfaces is of
great significance for the in situ asteroid explorations. The high-efficiency description of the …
great significance for the in situ asteroid explorations. The high-efficiency description of the …
Mesh-based two-step convex optimization for spacecraft landing trajectory planning on irregular asteroid
Z Zhao, H Shang, C Liu, S **ao - Journal of Spacecraft and Rockets, 2024 - arc.aiaa.org
The problem investigated in this paper is how to rapidly optimize a landing trajectory on an
arbitrarily shaped asteroid, subject to practical constraints and a gravitational model suitable …
arbitrarily shaped asteroid, subject to practical constraints and a gravitational model suitable …
Four-dimensional trajectory planning algorithm for fixed-wing aircraft formation based on improved hunter—prey optimization
J Wei, H Fan, J Li - Electronics, 2023 - mdpi.com
The aircraft four-dimensional trajectory planning is an important technology for multiple
aircraft to achieve cooperation. However, the current four-dimensional trajectory planning …
aircraft to achieve cooperation. However, the current four-dimensional trajectory planning …
Multi-constrained feedback guidance for mars pinpoint soft landing using time-varying sliding mode
Taking into account the thruster performance (total thrust magnitude constraint and control
acceleration deviation) and glide-slope constraint, this paper presents two types of new …
acceleration deviation) and glide-slope constraint, this paper presents two types of new …
Autonomous Helicopter Shipboard Recovery Flight Control Design Based on tau Theory
This paper develops an autonomous flight control system to alleviate the heavy workload
involved in managing multiple emergencies during manned helicopter shipboard recovery …
involved in managing multiple emergencies during manned helicopter shipboard recovery …
Research on asteroid landing with a new flexible spacecraft
G Zhai, J Li, Y Sun, H Zheng - Journal of Aerospace Engineering, 2022 - ascelibrary.org
During soft landing on asteroids, the weak gravity and rugged terrain put the spacecraft at
risk of crashing and bouncing, such that a safe and accurate landing is essential for the …
risk of crashing and bouncing, such that a safe and accurate landing is essential for the …
Time-fixed glideslope guidance for approaching the proximity of an asteroid
J Wang, H Li, Z Lin, H Huo - Aerospace, 2021 - mdpi.com
The guidance and control problem of spacecraft approaching an asteroid using constant
continuous thrust is studied in this work. The range of interest is from hundreds of kilometers …
continuous thrust is studied in this work. The range of interest is from hundreds of kilometers …
Research on Robust Navigation Algorithm for Soft Landing of Small Celestial Body
M Cao, X Wang, M Shi, Y Gao - 2021 4th World Conference on …, 2021 - ieeexplore.ieee.org
Based on the application background of autonomous navigation for soft landing of small
celestial bodies, this paper proposes a robust navigation algorithm for the difficult problems …
celestial bodies, this paper proposes a robust navigation algorithm for the difficult problems …
Estudio de la Teoría “Tau G improved” en aplicación de operaciones de proximidad y alcance con un cuerpo celeste
RA Valenzuela Najera - Instituto de Ingeniería y Tecnología, 2023 - cathi.uacj.mx
Antes de que una nave espacial alcance una posición estacionaria sobre un asteroide para
realizar tareas orbitales, se deben realizar operaciones de proximidad. Dado que los …
realizar tareas orbitales, se deben realizar operaciones de proximidad. Dado que los …