How is the Kalman filter estimator implemented in an MPC?

I have a physical process with 2 inputs, 4 states and 2 outputs. Two of the states are
measured while the other two needs to be estimated using kalman filter.I have
developed the controller (2 i/p-2 o/p) with an MPC. I can see the 4 states in the implemented 
MPC, but how do I implement a K.filter required to estimate the states of the 2 unmeasured 
states in the physical process. ...help help help... 
Attached is the implemented MPC.vi for comments.
Attachments:
MPC controller.zip ‏116 KB

Hi Vicky,
I dont have Labview installed on this laptop, but I have implemented the Labview MPC on a distillation column. You have 2 blocks that are necessary for the MPC, one outside the loop and one inside. You can connect all the necesary settings, like the model, the control horizon, the kalman filter settings,... to the block outside the loop. I think the control for Kalman is called estimation parameters. There you select between no estimation, pole placement and Kalman filter. For the Kalman filter you have to give the controller 3 matrices, that define your Kalman filter, N, Q and R. These matrices are related to your noise model, I don't know the exact theory unfortunately.
regards
KF

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