Generative Grasp Detection and Estimation with Concept Learning-based Safety Criteria
This work addresses safety and transparency issues in robotic grasping for industrial applications, representing an incremental improvement by adding explainable criteria to existing methods.
The paper tackles the problem of black-box neural networks in safety-critical robotic grasping by proposing a pipeline that integrates explainable AI to extract learned features as safety criteria, resulting in improved handover positions for collaborative robots in an industrial environment.
Neural networks are often regarded as universal equations that can estimate any function. This flexibility, however, comes with the drawback of high complexity, rendering these networks into black box models, which is especially relevant in safety-centric applications. To that end, we propose a pipeline for a collaborative robot (Cobot) grasping algorithm that detects relevant tools and generates the optimal grasp. To increase the transparency and reliability of this approach, we integrate an explainable AI method that provides an explanation for the underlying prediction of a model by extracting the learned features and correlating them to corresponding classes from the input. These concepts are then used as additional criteria to ensure the safe handling of work tools. In this paper, we show the consistency of this approach and the criterion for improving the handover position. This approach was tested in an industrial environment, where a camera system was set up to enable a robot to pick up certain tools and objects.