Cross-flow turbines, also known as vertical-axis turbines, are attractive for power generation from wind and water currents. Some cross-flow turbine designs optimize unsteady fluid forces and maximize ...

Everyone’s owned a pinwheel at one time or another. I remember riding in the back of my parents’ car, sticking my pinwheel out the window as we traveled down the street. The speed at which the ...

With over 350,000 wind turbines currently in use globally, wind continues to be one of the fastest growing forms of renewable energy. In 2021, 93.6 GW of new installations brought global cumulative ...

Each year a panel reviews papers nominated from the past two years and selects an article of high significance. The paper, published in 2022, describes the first experimental implementation of Model ...

R. A. Braker and L. Y. Pao, "Proximate Time-Optimal Control of a Harmonic Oscillator," IEEE Trans. Automatic Control, 63(6): 1676-1691, June 2018. F. Dunne and L. Y. Pao, "Optimal Blade Pitch Control ...

Topcon has updated its 3D dozer machine control system, adding more configurations and diverse applications. The system now supports the 4-way pusher class of dozers. An optional third IMU is ...