With the popularity of fuel cell technology rising, so too is the decision to use a brushless dc motor for fuel cell applications. Not only does a brushless motor remove the need for dc to ac inverters, the absence of brushes completely eliminates the risk of arcing or sparking. Compared to brush dc motors, these have a longer lifespan, and some would even consider them to be nearly maintenance-free. The motors also feature integrated electronic capability, wide dynamic speed range that reduces power consumption, and high efficiency.
One way to keep a Formula One racing team moving at breakneck speed in the pit and at the test facility is to bring CAD drawings of the racing vehicleís parts down to the test facility and even out to the track.
Most of us would just as soon step on a cockroach rather than study it, but thatís just what researchers at UC Berkeley did in the pursuit of building small, nimble robots suitable for disaster-recovery and search-and-rescue missions.
Design engineers need to prepare for a future in which their electronic products will use not just one or two, but possibly many user interfaces that involve touch, vision, gestures, and even eye movements.
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