OPENTECHNICAL PUBLICATION OT-2026-000001331 Door opening and closing robot and method of opening and closing door using the same Published: 2026-09-15T19:05:02.415449Z Permanent URL: https://opentechnical.org/p/OT-2026-000001331 Categories: Robotics & Automation > Robot Architectures ------------------------------------------------------------------------ ABSTRACT A door opening and closing robot according to one or more embodiments may include a base; a robot arm connected to the base that includes an arm that is rotatable and a motor that rotates the arm; and a door operating tool that is connected to the robot arm and moves with a rotation of the arm. The robot arm drives the motor to rotate the door operating tool and detects presence of the door based on a change in torque of the motor. ------------------------------------------------------------------------ OpenTechnical publication OT-2026-000001331 Published 2026-09-15T19:05:02.415449Z https://opentechnical.org/p/OT-2026-000001331