Though in smaller percentage of use, encoderless flux vector, closed loop vector, and direct torque control type drives are gaining in popularity. It is hoped that this book can be used as a resource ...
[esot.eric] was trying to drive a motor and naturally thought of using pulse width modulation (PWM) to control the motor speed. However, he found that even with a large capacitor, his underpowered ...
Nov. 4, 2024 — Stem cells grown in microgravity aboard the International Space Station (ISS) have unique qualities that could one day help accelerate new biotherapies and heal complex disease ...
Brushless DC (BLDC) motors are standard fare in low-precision, speedy RC applications. The control schemes needed to run them slowly or precisely go deep into motor theory and might put these ...
October 13, 2024: The United States and other space-faring nations are seeking a solution to the growing amount of items in LEO (Low Earth Orbit), this includes satellites and debris. While there is ...
About 25,000 are pieces of obsolete satellites, rocket parts and debris — space junk orbiting out of control and posing a threat to the satellites people need. Nine in 10 useful satellites are ...
In our tests, it did a great job of warming up the cold bathroom tile, too, and it even comes with a remote control so you can heat things up before you get out of bed. Whichever space heater you ...
By Eric Lipton First Images of the Sun’s Flares Released From a New Space Telescope NASA and the U.S. Poet Laureate may not be obvious collaborators, but a Jupiter-bound mission helped them find ...
SpaceX launched nearly 6,000 pounds of supplies to the International Space Station today (Nov. 4), on the company's 31st cargo mission for NASA. In a rare show of openness about the X-37B ...
SpaceX's Dragon performed an orbital boost maneuver for the ISS; a first for the spacecraft, and a small step toward the space station's ultimate doom.
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