Applied Parameter Estimation for Chemical Engineers by Peter Englezos

By Peter Englezos

A reference and textbook offering readers with an important optimization equipment for parameter estimation in chemical engineering. The CD-ROM gains Fortran computing device courses for fixing equation structures and different issues of Microsoft Excel and Sigma Plot. includes over 900 equations in all.

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308E+7 LnP=A+B*T+C*(TA(-2)) col(7)=lnP col(6)=exp(lnP) Step 5. SPW). • • —— experimental, P ] experimental, In P | calculated r- 3 Q. 1 Experimental and calculated hydrate formation pressures. Copyright © 2001 by Taylor & Francis Group, LLC = Chapter 3 44 Example 2 Step 1. 3 is created. The data are given in a table form with column 1 for pH, column 2 for charge (Q) Step 2. 0 for Windows. 9996247 Step 3. XFM. Step 4. A window at the menu bar (Menu -» Math ~> Transforms) is edited as follows.

The category of algebraic equation models is quite general and it encompasses many types of engineering models. For example, any discrete dynamic model described by a set of difference equations falls in this category for parameter estimation purposes. These models could be either deterministic or stochastic in nature or even combinations of the two. Although on-line techniques are available for the estimation of parameters in sampled data systems, off-line techniques Copyright © 2001 by Taylor & Francis Group, LLC Formulation of the Parameter Estimation Problem 11 such as the ones emphasized in this book are very useful and they can be em- ployed when all the data are used together after the experiment is over.

By clicking on the box containing these values. ). Set the logical value Comt=true if you wish to calculate a y intercept value. Step 7. Step 8. Set the logical value Stats=true if you wish the program to return additional regression statistics. Step 9. Now that you have entered all the data you do not hit the OK button but instead press Control-Shift-Enter. This command allows all the elements in the array to be displayed. If you hit OK you will only see one element in the array. Once the above steps have been followed, the program returns the following information on the worksheet.

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