Research on an innovative magnetic helix hybrid excitation rotary generator with remarkable power density and efficiency for wave energy conversion. [PDF]
Liu Y, Yu H, Zhang Q.
europepmc +1 more source
Development of a 200 W CW High Efficiency Traveling Wave Tube at 12 GHz [PDF]
The design, development, and test results are reported for an experimental PPM focused, traveling-wave tube that produces 235 watts of CW RF power over 85 MHz centered at 12.080 GHz.
Christensen, J. A., Tammaru, I.
core +1 more source
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds +2 more
wiley +1 more source
Optimal design of Halbach magnetized magnetic screw for wave energy converters based on KELM network optimized by weighted mean of vectors algorithm. [PDF]
Zhang Q, Yu H, Liu Y, Qin Q, Zhang J.
europepmc +1 more source
COVID-19 and the Nordic Paradox: a call to measure the inequality reducing benefits of welfare systems in the wake of the pandemic. [PDF]
Friedman J +5 more
europepmc +1 more source
Waveguide Photoactuators: Materials, Fabrication, and Applications
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi +4 more
wiley +1 more source
Application-oriented classification and performance analysis of precision linear feed mechanisms for machine tools. [PDF]
Zhou J +5 more
europepmc +1 more source
Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza +3 more
wiley +1 more source
Adaptive Disturbance Rejection Motion Control of Direct-Drive Systems with Adjustable Damping Ratio Based on Zeta-Backstepping. [PDF]
Zhang Z, Liu Z, Lin W, Cheng W.
europepmc +1 more source
Design and Locomotion Study of Two-DOF Actuator Driven by Piezoelectric-Electromagnetic Hybrid Mode. [PDF]
Li Z, Su Z, Wang H, Du S, Sun H.
europepmc +1 more source

