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Neural Processes (NPs) can model distributions over functions, like Gaussian Processes, but with the great flexibility and evaluation speed of neural networks. They can be trained purely on data and without prior knowledge. Yet, their architecture allows for a certain degree of interpretability and modular use. We use an NP to model the dynamics in a nonlinear Model Predictive Control (MPC) scheme. After meta-training the NP on data from various system instances, deployment to an unseen system is highly efficient in terms of data and computation. To demonstrate the effectiveness of our NP-MPC scheme for real-time adaptive control, we deploy it to a physical two-axis pendulum experiment requiring short sampling times.
Auke Ijspeert, Alessandro Crespi, André Guignard