Difference between online and offline parameter estimation/identification of a motor?
4 次查看(过去 30 天)
显示 更早的评论
Santiago Alfonso Ospina Botero
2022-12-14
评论: Santiago Alfonso Ospina Botero
2022-12-19
I'm reading some papers to gain knowledge on parameter estimation and it seems that there are two tipes of strategies, online and offline, whats the difference?
0 个评论
采纳的回答
Sabin
2022-12-15
Hi,
Online estimation is estimating the parameters during the operation of the physical system as new data becomes available. For example, trying to extract motor winding resistance while spinning the rotor. As you can see, we have constraints, we need to get the estimation at specific time instants and the complexity of the algorithm is limited by the embedded system specification.
On the other hand, offline estimation does not require the physical system to be in operation during the estimation process. It is usually based on data that is already available in advance. For example, we do some experiments and measure relevant signals then we analyse the data and estimate relevant parameters on personal computer afterwards. When we have a good set of parameters, we go an operate the physical system. In offline estimation the complexity of the algorithm is not that important as we can spend days until we get a good set of parameters.
I hope this helps.
更多回答(0 个)
另请参阅
类别
在 Help Center 和 File Exchange 中查找有关 Simulink Design Optimization 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!