MECHATRONIC ASSEMBLY FOR DRIVING AN EXTERNAL MEMBER USING A BRUSHLESS MOTOR AND A SIMPLE ASSEMBLY OF ELECTRONIC COMPONENTS
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United States of America Patent
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app pub date -
Jun 8, 2015
filing date -
Jun 12, 2014
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Abstract
A mechatronic assembly for driving a member, includes a control unit and an actuator, the control unit having a servo control algorithm and a power bridge, the algorithm controlling the power bridge, the power bridge outputting a bifilar electric signal consisting of a power signal and a direction signal, the actuator including a polyphase brushless electric motor having n-phases, binary sensors for detecting the position of the rotor of the motor, power switches being capable of powering the n-phases of the motor using the bifilar electric signal, and a state of the power switches being controlled directly by a signal from the detection sensors.
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