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BrainWave fiberglass

The solution for stabilizing temperature and reducing product defects

Control stabilization with BrainWave

ANDRITZ BrainWave is a patented advanced controller that outperforms traditional Proportional-Integral-Derivative (PID) control because of its two main components: an adaptive model and a predictive controller. BrainWave builds its own live models during normal plant operations, a powerful feature not offered by traditional Model Predictive Control (MPC) systems.

BrainWave’s predictive controller accurately forecasts process responses and accounts for multiple objectives. It adapts to process conditions, such as changes in production rate, keeping the process on target. BrainWave can also accept measured disturbance inputs, like raw materials properties, and takes corrective action before the process is pushed off target (PID, by comparison, must wait for the error to occur, and then react).

BrainWave easily integrates with existing control systems and its patented Laguerre technology means an average implementation time of just a few weeks. Best of all, the plant’s own staff can support and deploy BrainWave.

Control stabilization for fiberglass manufacturing

BrainWave stabilizes the glass manufacturing process, resulting in improved operation, increased production, and reduced energy consumption. It provides precise control of the glass temperature in the furnace throat and the glass level in the furnace. Traditionally, these loops have wasted energy due to the high variability in their control.

The first step in the application of a BrainWave patented controller is to hold the critical variables on target. BrainWave allows the furnace to operate at its most efficient operating point, while considering the effects of all measured and controlled variables. It permits consistent automatic control, without burdening the operators with the variation of conventional controls. BrainWave keeps the critical loops of the process closed and running in automatic.

Stabilizing the level of glass in the furnace (using a patented BrainWave algorithm for just this type of response) ensures a uniform mass of material in the furnace at all times. This stabilized temperature control (which can predict and react to changes in the process) helps realize a consistent melt for the batch.

Decreasing temperature variation in the forehearth and at the bushings has many benefits, including:

  • 10% to 30% reduction in breaks
  • Longer life for the replaceable components
  • Less variance in the properties of the fibers
  • Faster grade changes
  • Reduced energy consumption
Fiberglass

Fiberglass

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ANDRITZ Inc., USA

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