PolyOCP.jl : A Julia Package for Stochastic OCPs and MPC

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Ou, Ruchuan ; Januzi, Learta ; Schießl, Jonas ; Baumann, Michael Heinrich ; Grüne, Lars ; Faulwasser, Timm:
PolyOCP.jl : A Julia Package for Stochastic OCPs and MPC.
In: European Journal of Control. (12 August 2026) . - 101617.
ISSN 1435-5671
DOI: https://doi.org/10.1016/j.ejcon.2026.101617

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Abstract

The consideration of stochastic uncertainty in optimal and predictive control is a well-explored topic. Recently Polynomial Chaos Expansions (PCE) have seen a lot of considerations for problems involving stochastically uncertain system parameters and also for problems with additive stochastic i.i.d. disturbances. While there exist a number of open-source PCE toolboxes, tailored open-source codes for the solution of OCPs involving additive stochastic i.i.d. disturbances in julia are not available. Hence, this paper introduces the toolbox PolyOCP.jl which enables to efficiently solve stochastic OCPs for a large class of disturbance distributions. We explain the main mathematical concepts between the PCE transcription of stochastic OCPs and how they are provided in the toolbox. We draw upon two examples to illustrate the functionalities of PolyOCP.jl.