Abstract: Coaxial tilt-rotor (CTR) unmanned aerial vehicle (UAV) is a system with the specific configuration of two CTR modules and a rear-rotor module. The CTRUAV is a typical strongly coupled, ...

Discover how to build a mini vertical axis wind turbine using simple materials such as a wooden stick, metallic sheet, PVC pipe, and an aluminum frame. This step-by-step guide demonstrates the ...

State Key Laboratory of Chemical Resource Engineering, Beijing Laboratory of Biomedical Materials, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of ...

Abstract: An active rotor vibration control method for rotating machinery integrated with an electromagnetic actuator smoothly passing through a critical speed based on online stiffness scheduling is ...