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Article
Open AccessAutonomous imaging scheduling networks of small celestial bodies flyby based on deep reinforcement learning
During the flyby mission of small celestial bodies in deep space, it is hard for spacecraft to take photos at proper positions only rely on ground-based scheduling, due to the long communication delay and envi...
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Article
Open AccessIntelligent navigation for the cruise phase of solar system boundary exploration based on Q-learning EKF
With the continuous advancement of deep space exploration missions, the solar system boundary exploration mission is established as one of the China's most important deep space scientific exploration missions....
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Chapter and Conference Paper
Type-Augmented Link Prediction Based on Bayesian Formula
Knowledge graphs (KGs) play a pivotal role in various real-world applications, but they are frequently plagued by incomplete information, which manifests in the form of missing entities. Link prediction, which...
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Article
The mechanism of curvature for complex surfaces during five-axis flank milling
Curvature and curvature continuity, as two of the main geometric characteristics of complex surface, significantly influence the surface quality in five-axis flank milling. Firstly, the curvature continuity gr...
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Article
A new test part to identify performance of five-axis machine tool—part I: geometrical and kinematic characteristics of S part
The manufacturing test part applications are essential for representations of machines’ capabilities. Commonly used NAS979 has been known to insufficiently evaluate the combination motions of rotary axes. Thus...
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Article
A new test part to identify performance of five-axis machine tool-Part II validation of S part
A new test part, the S part, has been further discussed on its validation. Researches have shown dynamic errors, especially for follow-up errors that mainly contribute to dimensional errors of the S part. The ...
