This research investigates the design of fuel-saving orbital transfer
trajectories for spacecraft departing from distant retrograde orbits (DRO)
toward Halo orbits around the Earth-Moon L2 libration point. Relevant trajectory
designs hold practical value for future lunar space station projects and deep
space expl...
Jia-Xin Huang, Ze-Xu Zhang, Jin-Tang Liang et al.· SAE technical paper series· 0 citations
Low-thrust transfers from Geostationary Earth Orbit (GEO) to Distant Retrograde
Orbit (DRO) are numerically difficult to compute because the underlying
two-point boundary value problem is strongly affected by nonlinear cislunar
dynamics, discontinuous control behavior, and the high sensitivity of indirect
methods...
Jin-Tang Liang, Ze-Xu Zhang, Yi-Yu Wang et al.· SAE technical paper series· 0 citations
To effectively address the challenges of cooperative control for quadrotor
formations in complex environments, this paper extends the dual-quaternion based
nonlinear model predictive control (DQ-NMPC) framework to leader-follower
formation. Unlike conventional methods that treat translation and rotation
separatel...
Spacecraft operate in a highly complex in-orbit environment. Telemetry data from
power systems is often plagued by multi-source disturbances such as plasma
noise, electromagnetic interference, and communication packet loss, which places
very strict demands on fault diagnosis model reliability. Using dynamic
distu...
He Liu, Cheng Wei, Ze-Xu Zhang· SAE technical paper series· 0 citations
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