Feedforward Control
Feedforward control is a strategy that measures a disturbance before it affects the process and proactively adjusts the control output to counteract it. Unlike feedback control, which reacts after an error appears, feedforward acts in anticipation, often combined with feedback for improved accuracy.
Feedforward control requires a model of how a measured disturbance influences the process variable, allowing the controller to apply a corrective action in advance. For example, a temperature loop might adjust heating as soon as cold feedstock flow increases, before the temperature actually drops. It matters in industry because it dramatically reduces deviations caused by predictable disturbances, but because no model is perfect, it is usually paired with feedback to remove residual error.
In context and practice
Feedforward Control is a foundational concept in industrial operations and reliability engineering. Understanding and properly implementing feedforward control helps teams reduce downtime, optimize energy use, and improve equipment lifespan. It is often a key differentiator between plants running at industry-average efficiency and those achieving best-in-class performance.
Many other industrial and operational concepts relate to feedforward control. Browse the full glossary to find definitions and see how different ideas interconnect across predictive maintenance, energy, and decarbonization.
In your plant: When planning maintenance, reliability or efficiency projects, clarify your approach to feedforward control. Ask vendors or consultants how they implement it. The specifics matter — two plants with the same definition of feedforward control may execute it very differently based on their equipment, age, and operational culture. The gap between definition and execution is where real value (or waste) lives.
Measuring success: Feedforward control programs succeed when you can measure their impact. Set a baseline, implement the practice, and track the outcome — downtime reduction, energy savings, cost avoidance, or compliance improvement. Most plants find that a 3–6 month pilot clarifies the true value and ROI of feedforward control. Don't guess; measure.
Why it matters: feedforward control is not an end in itself, but a lever in your plant's overall efficiency and reliability strategy. It works best when part of a system: clear ownership, investment in tools or training, executive sponsorship, and regular review. Isolated initiatives often fizzle. Embedded feedforward control programs compound, delivering value year after year as the practice matures and spreads.