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How To Leverage Your Data? Presented by Michel Ruel, Top Control Inc. 1
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Top Control : history 1994-2009 – Training, consulting, optimization Offices in USA, Canada Strategic partner of Matrikon Customers in 31 countries 2
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Business Problem Processes are not running at their optimum because of underlying control problems Resources dont have the time or tools to diagnose 10 6 5 4 3 3 Variability Reduction Potential RPI 3
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Tools for Operational Excellence Value added solutions: Alarm management Control performance monitoring Equipment condition monitoring Process performance monitoring Data connectivity Data management Data and process visualization Engineering analysis 4
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DataKnowledge Diagnostics Process systems Data AnalysisPerformance Diagnostics Result$ 5
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Control Valves, transmitters, sensors PID Control strategies Multivariable Process equipments, pumps, reservoirs… RTO Maintenance Complexity Follow-up effort Calibration, maintenance Configuration, tuning Tuning, modeling Models Qualifications 1, 2…% 1, 2,…% 6
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Impacts Time SAVINGS $$$ 7
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The reality Numbers from audits, articles and our field experience 20 % Control loops, improper design 30 % Control valve related problems 15 % Not installed properly 30 % Nonsensical tuning parameters 85 % Improper tuning parameters only 25 % give a better performance in automatic control !! 8
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Problems: What Could Go Wrong FIC-101 FT-101 Non-linearities Noise Variability Tuning Process design Control design Disturbance Stiction Hysteresis Valve at limit Normal mode? Interactions with other loops Operations: SP, Mode Oscillations In control? Process model Fouling In service? FIC-101 PVCO SP Mode Tuning is only one of the problems… 9
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Control Performance Monitoring PI Data SP= 249 PSI PV= 247 PSI CO=36% Mode=Casc CPM server Results and Diagnostics TreeMap Prioritized lists KPIs Indices Work Order Web and Intranet Maintenance system (SAP, Maximo, …) Remote support 4 signals Crunching numbers Management Production Operation Engineering Maintenance 10
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Expected Results Variability: ÷ 2 Cycling: removed Valve travel: ÷ 5 (valve wear 2 ) Robustness:X 2 Performance:X 2 Quality: Efficiency: Throughput : Energy: Maintenance costs: MPC deployment, re-testing: 30% 1 to 5% 1 to 10% 30% 70% Service factor Tuning Repair Review control strategies Optimize 13
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Expected Benefits of Optimization Increase process performance Use resources (human & material) wisely Reduced energy costs Reduced waste Reduced variability Reduced valve maintenance Reduced pollution Cycling removed Increased up-time Improved product quality Improved efficiency Better operation Improved safety Smoother start-up 14
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Conclusions 1-Usage2-Stability3-Performance Resources are used where they are really needed Process control systems are used to their full potential Operation and production are optimal Maintenance and engineering are efficiently used. 15
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Boiler 3, November 2007 vs April 2008 November 2007April 2008 2 sticky valvesNone 16
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November 2007 vs April 2008 November2007Mapril 2008 17
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An example at White Birch: PIC 1900 (tuning parameters adapted to load) February 8 2008June 30 2008 3 times better 18
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Steam cost over 6 months 19
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Small Gestures That Count! Actions – Daily – Weekly – Monthly – Yearly Workflow, procedures What can be automated? How can the process be sustained? How can optimization be optimized? 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 020406080100120 Time % Interest 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 020406080100120 Time % Support 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 020406080100120 Time % Regularity Succes$ Result$ New$ 20
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Thank You Michel Ruel President Top Control Inc mruel@topcontrol.com (877)867-6473 www.topcontrol.com 21
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