Single-loop & Multivariable 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 Key differences Motivation Model-less single-loop control (RPC™) Model-less multivariable control (XMC™) Credibility Operational performance & technology Applications Path to industry Costs & Benefits Next steps & More information Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Key differences (model-based vs. model- less) Root Causes Models change (dynamically) Incorrect performance criteria Model-Based PID and MPC Model-less RPC™ & XMC™ Detailed models Gain direction only Control performance criteria 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 High maintenance, low reliability Common structural root causes Model-less provides an attractive alternative Reduce/eliminate modeling activities Reliable operational performance Simplify practice, reduce cost, increase performance Serve the application gap Alternative for legacy MPCs Solution for problematic single-loops Return process control to an operational technology Effectively increase capabilities & resources Increase control & automation benefits Unlikely to change Immediat e Application needs Long-term 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 Single-loop control and internal control method of XMC™ & move size Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC XMC™ Model-less multivariable control (Patented) Directional Move-Solver Based on gain directions, constraints and targets 5-Second Period Based on knowledge, experience and procedures Pre-Selected 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

Model-less Control by APC Performance, LLC Credibility Long-standing problem Novel patents Well-documented roadmap Products and applications Online 2 years Emerging Issues Products and Patents 2004 2016 Solve the MPC Performance Riddle Common Structural Root Causes PID & MPC Same Trajectory Model-less RPC & XMC Methods Mirror Historical Methods 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 improvement Copyright APC Performance, LLC

Model-less Control by APC Performance, LLC Where are the applications? (scalable technology) RPC™ XMC™ Legacy MPC Alternative PID ARC Traditional MPC Matrix Size 1x1 2x3 10x10 20x50 Application Gap Complementary product Increases overall APC resources and capabilities Copyright APC Performance, LLC

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

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

Model-less Control by APC Performance, LLC Next Steps Evaluation application (XMC™ or RPC™) Atmospheric crude simulation with XMC™ More information 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 With 1/2-Day Model-less Workshop Copyright APC Performance, LLC