How many times have you said, “I wish the days were longer”? Well, NASA scientists say the construction of China’s Three ...

Space manipulators play an important role in the on-orbit services and planetary surface operation whose reliability is a key ...

Abstract: In this brief, a global finite-time attitude control algorithm is proposed for flexible spacecraft without angular velocity measurement. First, a global finite-time observer is designed to ...

Abstract: Beam tracking is a promising technology in mmWave-enabled cellular-connected unmanned aerial vehicle (UAV) communications. However, conventional beam tracking schemes always incur a large ...