a decomposition hierarchic on-line motion planning approach consisting of path planning and trajectory generation is proposed for VTOL UAVs to fly in a GPS-denied unknown obstacle-rich environment ...

3D Insider is ad supported and earns money from clicks, commissions from sales, and other ways. 3D printing is the latest thing to excite anyone who loves easy-to-use interactive technology. Engineers ...

Players adopt the persona of Glaswegian electrician Cameron “Caz” McCleary. It’s Christmas and he’s dodging the police and an angry wife after a bar fight. To top it off he’s just been fired by the ...

Within that family of ultrawide bandgap devices, AlN has generated significant attention for many years. Judged by various ...

The blast occurred a few minutes before noon, shaking part of a chemical plant operated by Shandong Youdao Chemical in the ...

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Department of Biomedical Engineering-FB40, University of Groningen, University Medical Center Groningen, Groningen, A. Deusinglaan 1, 9713 AV Groningen, The Netherlands W.J. Kolff Institute for ...

SpaceX has completed its investigation into what went wrong during the eighth test flight of Starship rocket, which ended in ...

The camera detects the presetting markers which will later generate 3D virtual objects and shoots teachers' and students' real experimental operations at the same time, interposing the virtual objects ...