Robotic Packaging Optimization with Reinforcement Learning
Eveline Drijver (Student TU Delft)
Rodrigo Pérez-Dattari (TU Delft - Learning & Autonomous Control)
Jens Kober (TU Delft - Learning & Autonomous Control)
C. Della Santina (TU Delft - Learning & Autonomous Control)
Z. Ajanovic (TU Delft - Learning & Autonomous Control)
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Abstract
Intelligent manufacturing is becoming increasingly important due to the growing demand for maximizing productivity and flexibility while minimizing waste and lead times. This work investigates automated secondary robotic food packaging solutions that transfer food products from the conveyor belt into containers. A major problem in these solutions is varying product supply which can cause drastic productivity drops. Conventional rule-based approaches, used to address this issue, are often inadequate, leading to violation of the industry's requirements. Reinforcement learning, on the other hand, has the potential of solving this problem by learning responsive and predictive policy, based on experience. However, it is challenging to utilize it in highly complex control schemes. In this paper, we propose a reinforcement learning framework, designed to optimize the conveyor belt speed while minimizing interference with the rest of the control system. When tested on real-world data, the framework exceeds the performance requirements (99.8% packed products) and maintains quality (100% filled boxes). Compared to the existing solution, our proposed framework improves productivity, has smoother control, and reduces computation time.