PROFESSIONAL PRACTICE / CONTROL & INFRASTRUCTURE
Engineering
for continuity.
The work continues long after commissioning. Good engineering makes the system easier to operate, maintain and change.
Selected engineering work
The engineering problem
Industrial control infrastructure has a long operating life. Hardware ages, software support changes, teams turn over and production requirements evolve. Modernization has to account for those realities while protecting the ability to operate.
Where I have worked
My experience in petrochemical operations spans distributed control systems, PLCs, advanced process control, instrumentation and analyzers. It includes modernization programs, vendor coordination, factory acceptance testing and turnaround work.
Today I lead a team of control engineers, prioritizing lifecycle work, developing engineers and connecting technical choices to operating needs.
How I approach a change
- Understand the dependency.
Map what the system controls, what relies on it and what an interruption would mean. Make the operating constraints explicit.
- Design the transition.
Assess alternatives, integration boundaries, maintenance needs and the sequence of work. Define the conditions for proceeding or stopping.
- Build evidence before cutover.
Use reviews and acceptance tests to surface assumptions early. Agree on responsibilities, recovery steps and acceptance criteria.
- Plan for the people who inherit it.
Documentation, training, supportability and ownership belong in the design. A successful handover is part of the engineering outcome.
Why this extends beyond the plant
Physical infrastructure and software infrastructure share useful questions: Where is the dependency? What happens on failure? How do we make a safe change? Who knows how to recover?
Those are the questions I bring to control engineering, infrastructure discussions and my independent software work. The context changes; the need for clear reasoning remains.
Terms used on this page
- DCS (distributed control system)
- The computer system that monitors and controls a continuously running plant, spread across many controllers rather than one central computer.
- PLC (programmable logic controller)
- A rugged industrial computer that controls a machine or part of a process with fast, repeating logic.
- Advanced process control
- Control software that adjusts many related settings together to keep a process closer to its best operating point than individual control loops can.
- Factory acceptance testing
- Testing equipment and its software at the supplier, against criteria agreed in advance, before it is shipped and installed.
- Cutover
- The moment operation switches from an old system to its replacement.
- Analyzer
- An instrument that measures what a process stream is made of, rather than just its pressure, temperature or flow.