Robot, robot system, and rotating electrical machine

摘要

A robot (2) according to the embodiment includes a motor (11), a speed reducer (12) that transmits a driving force of the motor (11) to a link (26b), and a detecting unit (14b) that detects a rotation angle of an output shaft (125) of the speed reducer (12), and the detecting unit (14b) is connected to the output shaft (125) of the speed reducer (12) via a shaft coupling (140).