TU Berlin

Robotics and Biology LaboratoryIntelligent Kinematic Problem Solving

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Intelligent Kinematic Problem Solving

The aim of this project is to investigate intelligent physical problem solving. Imagine that on its way to escape the escape room, the robot has to solve a puzzle that consist of multiple rigid bodies and joints that can lock each other, as in the figure you can see on the right side of this page. Interestingly, cockatoos can learn to solve such kinematic problemshttps://www.youtube.com/watch?v=rL9QOkBkbOM. But as astonishing as this feat is, behavioral biology still can not explain which characteristics empower the birds to exhibit this intelligent problem solving behavior. 

In this project, behavioral biologists and roboticists will together understand and explain the behavior in novel ways. We will identify prior knowledge and capabilities that the birds recruit for solving this task. We will model the behavior in a robotic system to identify which sensorimotor capabilities, computational principles, internal representations or prior beliefs best explain the behavior we observe in cockatoos. For this identification process we will import these priors into a robotic platform and test if they confirm our hypotheses and explain the birds’ behavior, or if we need to discard the hypotheses and consider new models. This way, we will reveal the principles underlying kinematic problem solving in general, such as representations or sensorimotor skills that biological and artificial systems, require to solve such complex kinematic problems. We will not only understand the biological behavior better, but improve our robotic systems this way too. When we identify the building blocks that enable birds to solve this problem, we can either directly include these building blocks into the robotic system, or we can extract insights that will further guide robotics research. Where necessary, we will additionally develop robotic interactive perception skills [3] along the way, and contribute to the robotics community. In the end, we will have developed an autonomous robotic system that can solve complex kinematic puzzles.

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