Patent ID: 7560888
Filing Date: 2009-07-14
Classification: F16H,H02K,Y10T

Abstract:
1. An actuator assembly, comprising: a plurality of motors, each motor adapted to receive electrical drive power and configured, upon receipt thereof, to supply a drive force; an actuation member coupled to receive the drive force from each of the motors and configured, upon receipt thereof, to rotate; a translation member disposed adjacent the actuation member and configured, upon rotation of the actuation member, to translate to a position; a first position sensor mounted within the actuation member and configured to sense the position of the translation member and supply a first position signal representative thereof; a second position sensor, dissimilar from the first position sensor, coupled to receive the drive force from a first one of the plurality of motors and operable, upon receipt thereof, to supply a second position signal, dissimilar from the first position signal, that is representative of the position of the translation member; and a third position sensor, dissimilar from the first position sensor, coupled to receive the drive force from a second one of the plurality of motors and operable, upon receipt thereof, to supply a third position signal, dissimilar from the first position signal, that is representative of the position of the translation member.