Traditionally, EDMs have been powered by a rotary motor. However, new linear motor servo systems are designed quite differently from the conventional motors?they operate without ball screws, couplings ...
In addition to Fitts’ Law, we (Schmidt, Zelaznik, Hawkins, Frank & Quinn, 1979) proposed a linear speed-accuracy trade-off. These two laws appear to be fundamentally different. We have begun a series ...
Objective Like many sports involving high speeds and body contact, head injuries are a concern for short track speed skating athletes and coaches. While the mandatory use of helmets has managed to ...
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