In addition to L&A’s traditional business, I am partnering with L&A to develop APC 2.0 tools for industry. L&A is a well-known medium-sized control system integrator in Phoenix, for more than 25 years, with many long-term Fortune 500 clients in oil and most other industries. What is the difference?Ī: APC Performance is my control consulting business, but I also work closely with Lin & Associates (L&A), based in Phoenix. Q: I have seen papers online under both APC Performance and Lin & Associates in your name. The matrix is a basic underlying tool, regardless of how it’s carried out - manually, MLC, or MPC. the proportional-integral-derivative (PID) algorithm itself, the matrix is a simple tool that allows better visualization and understanding of multivariable control, and ultimately that can be more impactful than the nitty-gritty of the algorithm itself, if that makes sense.Īlso, industry is realizing more ways to do multivariable control beyond MPC. Courtesy: Control Engineering webcast, Advanced process control: Past, present and future.īut the point is, like a single-loop trend vs. MLC represents an important, but under-developed part of the APC matrix spectrum. Industry expected model-predictive control (MPC) to naturally expand into the multi-loop control (MLC) region, but that never happened MPC costs of ownership remain high and MPC remains primarily a high-end solution.
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