![]() Aside from our human studies, we’re also developing new techniques to understand how a robot can interact with this object.”Įdraki and Krotov have collected data from more than 40 novice participants. ![]() “The robot needs to understand what to expect from this object when force is applied to it, so that’s where the challenges come in. “The traditional ways of controlling a robot to manipulate an object doesn’t apply here,” Edraki says. ![]() Video by Cameron Sleeper/Northeastern University Whip performer Jack Lepiarz, known as Jack the Whipper, participates in a whip manipulation experiment at Northeastern University’s Action Lab. Whips are flexible and wobbly and involve complex interplay between the forces generated by the whip and the person using the whip.Ĭurrently, robots aren’t able to do anything close to the kind of fine-tuned motor control humans exert when handling whips. The researchers hope their human-centered work can aid with robotic applications, which is where whips come into play. “This is probably a way of how we learn about objects that we interact with.” student in the Action Lab who is leading the whip study. “Sometimes you will see people carrying a bag of groceries and, for example, kids would be swinging it back and forth,” says Aleksei Krotov, another Ph.D. By understanding the dynamics behind these actions, the researchers hope to gain new insight into the ways humans interact with the world. There are many complex movements and object interactions we take for granted, like tying our shoelaces or folding a blanket. Photo by Alyssa Stone/Northeastern University Photo by Alyssa Stone/Northeastern University Whip performer Jack Lepiarz, known as Jack the Whipper, participates in a whip manipulation experiment at Northeastern University’s Action Lab. Photo by Alyssa Stone/Northeastern University 09/25/23 – Boston, MA – Whip expert Jack Lepiarz, known as Jack the Whipper, participates in a whip manipulation experiment with Northeastern doctoral candidates and Professor Dagmar Sternad in Richardll o Monday. Photo by Alyssa Stone/Northeastern University 09/25/23 – Boston, MA – Whip expert Jack Lepiarz, known as Jack the Whipper, participates in a whip manipulation experiment with Northeastern doctoral candidates and Professor Dagmar Sternad in Richards Hall on Monday. That’s where our lab comes in, and this is a great example of it.” 09/25/23 – Boston, MA – Whip expert Jack Lepiarz, known as Jack the Whipper, participates in a whip manipulation experiment with Northeastern doctoral candidates and Professor Dagmar Sternad in Richards Hall on Monday. “Yes, you can understand a lot about such experimentally controlled movements, but they don’t give you much insight about what humans do in the real world. “The goal in our lab is to study human behavior in complex tasks that go beyond the simple movement tasks that have been studied in movement neuroscience like simple point-to-point reaching,” says Mahdiar Edraki, a Ph.D. The man responsible for that distinct cracking sound is Jack Lepiarz, aka Jack the Whipper, a trained whip performer who has become famous on social media.Īs part of their work on human movement control, Dagmar Sternad, university distinguished professor of biology, electrical and computer engineering and physics, and her research group at Northeastern’s Action Lab are looking at the movements of experts like Lepiarz, as well as whip cracking novices, to understand how humans manipulate complex objects, like whips. On any given day, Richards Hall on Northeastern University’s Boston campus is filled with the sound of students’ shuffling feet or energetic class discussions, but this week you might have heard something else: a whip cracking.
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