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Nils B


Active since 2019

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How can set initial conditions of a state space model obtained by data?
Hello I have a problem with the simulation of a state space model. The model is from a heat process, and I want to set the cond...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


When do you detrend data or remove the mean?
I have a question regarding data sets and how to make a decision about detrending data or removing the mean. These two options c...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Answered
How can I add contraints to a model ( non linear arx, arx, armax ...) ?
Thanks for your answer, however your approach is not possible with non liniar ARX models, since they don't provide a property li...

meer dan 5 jaar ago | 0

Answered
Custom Regressor in Nonlinear Model created from Data
Thanks for your answer! Yes there are 5 heat sources which are turned on or off (0 or 1). The object itself is more or less a ca...

meer dan 5 jaar ago | 0

Question


How can I add contraints to a model ( non linear arx, arx, armax ...) ?
Hello, I have a set of data which describes a temperature process. The dataset contains various temperatures from sensors and ...

meer dan 5 jaar ago | 2 answers | 0

2

answers

Question


Custom Regressor in Nonlinear Model created from Data
Hello I have created a non linear model idnlarx from a data set and I am trying to improve my fit by using a custom regressor e...

meer dan 5 jaar ago | 2 answers | 0

2

answers

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Autocorrelation of residuals Analysis
Hello I am currently working with Non Linear Models and the System Ident. Toolbox in my university. I managed to get a good fit ...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Question


Infer Input Delay does not support multiple experiments - Bug ?
So I have multiple experiments organized in an IDDATA object for a heating process, where G is a heat generator and T is a temp...

meer dan 5 jaar ago | 0 answers | 0

0

answers

Answered
System Identification Toolbox - Continous or discrete model?
Thank you, I think I might get it now. Actually I want to construct a control loop in MATLAB - I just want to derive a model fro...

meer dan 5 jaar ago | 0

Question


System Identification Toolbox - Continous or discrete model?
Hello, I want to identify a control process and have gathered samples of a thermocouple over time with a sample time of 1s. ...

meer dan 5 jaar ago | 2 answers | 0

2

answers

Question


Derrive a transfer function or PDE from a simulation
Hello, I would like to know if it is possible in MATLAB to make a simulation and derrive the PDE or transfer function from it, ...

meer dan 5 jaar ago | 0 answers | 0

0

answers