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: In this paper, we propose a novel approach of designing the velocity function and the trajectory for a UAV to efficiently achieve location-dependent visual coverage. Specifically, the UAV ...

Scientists have found that embodying a childlike version of your own face can help unlock hidden childhood memories. Credit: Shutterstock Research shows that adopting a childlike facial expression can ...

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