A miniaturized actuator that uses electromagnetic force to drive an iron piece.

Solenoid output is characterized by stepwise motion associated with on or off electric current applied to a drive coil. Any motion can be achieved by a sequence of small stepwise motion. Thus, micro-solenoid can be applied to a micro-motion system. From a viewpoint of system simplicity, these digital actuator is preferable because they are easily interfaced with digital controller.


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