Here are two suggestions of related (and potentially useful) packages
- GitHub - baggepinnen/LTVModels.jl: Tools to estimate Linear Time-Varying models in Julia
- Plant Models · ModelPredictiveControl.jl, especially given this comment about gain scheduling [ANN] ModelPredictiveControl.jl - #16 by franckgaga
- Batch linearization and gain scheduling · ControlSystemsMTK Documentation