Talk:Model predictive control

The article is at least misleading if not completely wrong. And furthermore is hardly understandable. Rewrite from someone with a clue about MPC needed.

Is this version any better ? Encyclops 00:11, 31 July 2006 (UTC)[reply]

129.125.12.192, your comment is not helpful as well as vindictive. If you are going to criticize, please make it constructive and specific. Spalding 03:26, 31 July 2006 (UTC)[reply]

Misleading statements

I think the statement:

"Despite the fact that most real processes are approximately linear within only a limitted operating window..."

is very misleading. Many, many real processes of practical importance, and those tackled using MPC are highly nonlinear (e.g. water control systems).

In fact, all processes are nonlinear. Another point is that the cost function is not explictly defined for a mpc. it depends on purpose and economical reasons. "The MPC then sends this set of independent variable moves to the corresponding regulatory controller setpoints to be implemented in the process." As far as I know only the first control move is applied to the process not the set. "linear MPC approaches are used in the majority of applications with the feedback mechanism of the MPC compensating for prediction errors due to structural mismatch between the model and the plant" Not only for structural mismatch but also for exogenous disturbances.