# \#modelpredictivecontr

**URL:** https://discourse.julialang.org/tag/modelpredictivecontr/1673.md

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## [How fast does a model has to be for NMPC](https://discourse.julialang.org/t/how-fast-does-a-model-has-to-be-for-nmpc/120694)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 64\
**Last updated:** [December 19, 2024, 8:13am UTC](https://discourse.julialang.org/t/how-fast-does-a-model-has-to-be-for-nmpc/120694 "2024-12-19T08:13:11Z")

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How many times faster than real-time does a model has to be to be feasible for using model predictive control? Assumptions: 20Hz update rate 5s required horizon controller with three scalar outputs Of course this dep…

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## [Unobservable linearized model in ModelPredictiveControl.jl](https://discourse.julialang.org/t/unobservable-linearized-model-in-modelpredictivecontrol-jl/121052)

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**Author:** [@Bart\_van\_de\_Lint](https://discourse.julialang.org/u/Bart_van_de_Lint)\
**Replies:** 7\
**Last updated:** [October 8, 2024, 3:57pm UTC](https://discourse.julialang.org/t/unobservable-linearized-model-in-modelpredictivecontrol-jl/121052 "2024-10-08T15:57:25Z")

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I have a model that I am trying to linearize around x\_0 in order to use a linear MPC in ModelPredictiveControl.jl. println("linearize") linmodel = ModelPredictiveControl.linearize(model; x=x\_0) println("sim") u = \[100,…