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Aspen IQmodel Powertools™
Empirical model-building environment for process applications
Aspen IQmodel Powertools is a data analysis and modeling environment that extends the functionality of Aspen IQ™ for developing models for Aspen Apollo™. It features model export options enabling these models to run in online APC applications⎯both indirectly via gain adaptation and inferential models, and directly via true nonlinear control. Aspen IQmodel Powertools is a core element of AspenTech’s aspenONE™ Advanced Process Control applications.
Features
- Data Management: Data import from Microsoft® Excel or MATLAB
- Data Manipulation: Data matrix management including combining data sets, variable transforms, re-sampling, removing or adding variables, and combining variables through calculations
- Data Visualization: Data plotting including trending and scatter plots
- Data Pre-Screening: Data cleaning through a variety of mechanisms including filtering, multivariate outlier detection, and manual cutting
- Multivariate Analysis: Powerful multivariate statistical analysis for outlier detection and/or process monitoring applications (includes PLS, PCA, and highly interactive 2D/3D multivariate charts, Q/T2 Stats, Contribution Plots)
- SPC Support: Q statistics allow users to view contributions from key variables over time to investigate which variables are causing the Q statistic to violate previously defined upper control limits
- Cause and Effect Investigation: Correlation analysis for determining cause-and-effect relationships and for time-aligning data
- Training/Testing Data Selection: Complete flexibility over data used for building and validating models
- Regression: Support for a variety of regression model types including Multiple Linear Regression, SERVA analysis, Partial Least Squares, and Principal Components Analysis
- Advanced Modeling: A variety of nonlinear model types including static or dynamic (first order Hammerstein) Gain Constrained models (Bounded Derivative Networks)
- Nonlinear Controller Modeling: Capability to build and export Aspen Apollo models, which are gain-constrained general order nonlinear Wiener models with guaranteed bounds on the steady state gains (licensed separately with Aspen Apollo)
Benefits
- Reduces the time and effort required to transform process data into suitable data sets for building empirical models
- Simplifies the task of building model types whose structure and configuration are especially suited to online applications
- Extracts steady state gain information from the online model and continuously updates the gains of an Aspen DMCplus® control model, allowing the Aspen DMCplus controller to be used across a wide range of operating regions
- Greater model accuracy improves manufacturing operations by enabling better predictions of how the process will perform in the future
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Product Name Changes
With the release of aspenONE V7, we have renamed many of our engineering products to be more descriptive for new users. Click here to learn more
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