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Jeff Hecht
OPENING a door is trickier for robots than you might expect, but a gripper designed to help wheelchair users seems to have cracked the problem.
A door-opening robot must be able to grasp a variety of designs of door knobs and handles. It also needs to calculate âhow much force is needed to open the door, the twisting angles to unlatch the door, and how much force is needed to unlatch itâ, says Erin Rapacki, now at Anybots in Mountain View, California.
âThe robot needs to know how much force is needed to open the door and the twist angle â¦