Modelless Process Control Singleloop Multivariable RPC and XMC

Model-less Process Control Single-loop & Multivariable RPC™ and XMC™ (patented) Allan Kern, P. E. , Consultant Lin & Associates, Inc. Phoenix, AZ USA Owner, APC Performance, LLC Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC 10 Things to Know in 10 Minutes 1. Key differences 2. Motivation 3. Model-less single-loop control (RPC™) 4. Model-less multivariable control (XMC™) 5. Credibility 6. Operational performance & technology 7. Applications 8. Path to industry 9. Costs & Benefits 10. Next steps & More information Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Key differences (model-based vs. modelless) Model-Based Model-less Root Causes PID and MPC RPC™ & XMC™ Models change (dynamically) Detailed models Gain direction only Incorrect performance criteria Control Operational � performance criteria Solutions Rate-Pred. Control (RPC™) Preset moves Rate Predictive Control (RPC™) ╸Inherently adaptive, naturally self-tuning, unaffected by gain ╸Operational performance handle ╸Single-loop and internal method of XMC™ Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Motivation � Actual history of PID and MPC performance to y l ╸High maintenance, low reliability e e k i l ╸Common structural root causes Un hang c � Model-less provides an attractive alternative te a i ╸Reduce/eliminate modeling activities ed m ╸Reliable operational performance Im ╸Simplify practice, reduce cost, increase performance ╸Serve the application gap ╸Alternative for legacy MPCs ╸Solution for problematic single-loops n o i t a c i l p eds p A ne ╸Return process control to an operational technology m r e t ╸Effectively increase capabilities & resources g n Lo ╸Increase control & automation benefits Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Rate-Predictive Control (RPC™) (Patented) RPC ™ SP or Target change � � Preset move rate Inherently adaptive to changes in process gain & move size Single-loop control and internal control method of XMC™ Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC XMC™ Model-less multivariable control (Patented) � Based on gain directions, constraints and targets Directional Move-Solver � Based on knowledge, Pre-Selected experience and procedures Move Rates � Novel method to taper moves predictively � � Rate. Predictive Control (RPC™) Automates traditional proven manual methods Reliably captures core multivariable control value Copyright APC Performance, LLC 5 -Second Period

Model-less Control by APC Performance, LLC Credibility � Long-standing problem � Novel patents � Well-documented roadmap � Products and applications ╸Online 2 years Emergi ng Issues 2004 Solve the MPC Performance Riddle PID & MPC Same Trajectory Mirror Historical Methods Produc ts and Patents Common Structural Root Causes Model-less RPC & XMC Methods 201 6 Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Operational performance and technology � Operational performance ╸Preset move rates based on operating knowledge ╸No overshoot or oscillation (for DCVs and ICVs) ╸Small-matrix design practice (purpose built) ╸Intuitive to operating personnel ╸Mirrors operating priorities, needs and agility ╸Minimize error Assure process reliability � Operational technology ╸Manageable & sustainable at the plant operating level ╸Deploy or modify in days or weeks for little or no cost ╸DCS-based multivariable control tool ╸Core competency, mfr. agility, continuous Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Where are the applications? (scalable technology) RPC ™ XMC™ PID ARC 1 x 1 2 x 3 Legacy MPC Alternative Traditional MPC 10 x 10 20 x 50 Application Gap � Complementary product � Increases overall APC resources and capabilities Copyright APC Performance, LLC Matrix Size

Model-less Control by APC Performance, LLC Costs & Benefits Model-based Model-less 1. 2. 3. Notes Costs $100 Ks $0 -$10 Ks Note 1 Benefits $100 Ks Similar or Better Note 2 Maint. & Support $100 Ks $0 K Note 3 Technology/business model is selfsufficiency Reliable performance, more apps, legacy MPCs Can increase capabilities Copyright APC Performance, LLCand resources

Model-less Control by APC Performance, LLC Path to industry � RPC™, Rate-Predictive Control � XMC™ Model-less Multivariable Control ╸License to makers of single-loop controllers and DCSs ╸User-selectable control algorithm option ╸Inherently adaptive, operational perf. , dead-time control ╸License to Global Automation Companies ╸Built-in DCS-based multivariable control tool � Lin & Associates, Inc. ╸Supply RPC™ and XMC™ to end-users directly APC Performance, LLC ╸Single-loops, Copyright application gap, legacy MPC

Model-less Control by APC Performance, LLC Next Steps � Evaluation application (XMC™ or RPC™) � Atmospheric crude simulation with XMC™ � More information With 1/2 -Day Model-less Workshop � www. APCperformance. com or www. linandassociates. com ╸Published articles (easily found online or website) � Client testimonials (by arrangement) � Full presentation (please request) � ask@APCperformance. com or allan. kern@APCperformance. com Copyright APC Performance, LLC