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Paul Brodbeck – Process Control Engineer
30 Years experience.
BS in Chemical Engineering from Case Western Reserve University
Process Modeling/Optimization
APL Matrix Language - MATLAB.
Statistical based analysis at Chemical Plant: FOCUS, SAS and SPC.
Statistical Process Control
Machine Learning Course with Stephen Ng from Stanford
Eigenvector Software
Recent PAT Application with Chromatography Endpoint Detection
Similarities
Basic Process Control applied to PAT
Case studies
Enterprise PAT Architecture
Manageable and maintainable system.
Top Down Approach
System Complex
Black Box
Build from Ground Up
Simple Blocks to Start
Build complexity
Learn
1. Data Management Collection
Storage
Analytical Tools/Visualization
2. Process Model Building MATLAB, PCA, PLS, MPC, NN, Optimization
3. Process Control Implementation of Real-Time Prediction Models
Closed-Loop Control of CPPs, CQAs
Basic PID Block Temperature Controller
Basic Single Loop – PID Block
Reactor Temperature Ctrl
Closed-Loop Feedback
Uni-Variate Process Inputs
Temperature, Pressure, Flow, pH, Level, …
LOOP TUNING CONSTANTS
Work Against the Error◦ Error = Setpoint - Value
Proportional◦ Linear Error
Integral◦ Time
Derivative◦ Rate of Change
Cruise Control in Car
Analyzers Bruker, Thermo, RAMAN
MVA Packages CAMO, Umetrics, Eigenvector, Infometrix MATLAB, Mathemtica
Process Control Systems PC Based – Sartorius, ABEC, GE PLC – ABB, Rockwell DCS – Siemens, Emerson, Honeywell
Analysis of Critical Quality Attributes (CQA)◦ Mass Spectrometry, Infrared Spectroscopy, ◦ Raman, FBRM, NMR, UV Spectroscopy.
Spectral Analysis MVA◦ Chemometrics – Principal Component Analysis (PCA) &
Partial Least Squares (PLS)◦ CAMO, UMetrics, EigenVector
Modeling/Optimization MVA◦ Linear Regression, Logistic Regression, Support Vector
Machines, Neural Networks, Clustering, Linear Programming, PCA, PLS. MATLAB, Mathematica.
Control of Critical Process Parameters (CPP)◦ PC Based, PLC, DCS
Analyzer Interfaces
Spectral Analysis
Modeling Capability
Optimization
Process Control System Interface
Methods
CFR Part 11 Compliant