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Simulation and optimization

Advanced process control (APC)

Platform for Advanced Process Control and Estimation (PACE) is a new state-of-the-art multivariable model-based control technology, jointly developed by Yokogawa and Shell. This advanced process control (APC) and estimation platform is a best-in-class suite for rapidly designing, developing, deploying, and sustaining multi-variable control applications through-out the plant lifecycle. The technology is applicable across the fullstream from Upstream, Gas Processing and LNG through Refining and Petrochemicals. The technology drives down the cost of developing and maintaining applications while providing the tools and capabilities to address challenging control problems.


The Platform for Advanced Control and Estimation (PACE) technology has consistently brought significant benefits to its users. Those benefits come through increased plant throughput, reduced energy consumption and increased product yield. In addition, customers have also seen improved plant reliability and utilization.

  • Increase plant through-put by 5%
  • Reduce energy usage by 5%
  • Improve product yields by 3%
  • Reduce variability by up to 50%
  • Improve reliability and reduce maintenance
  • Less operator attention – focus on other areas

Developers built this APC software platform from the ground up unencumbered by past design decisions. By combining the speed of today’s computers and software languages with the knowledge of 30+ years of using APCs, they built the best multi-variable control software available.

The only unified APC with data collection, controller and estimator development and deployment in one integrated package. One of the biggest challenges with APC is keeping the controllers online and maintaining maximum benefits, so this software platform includes the tools needed for the “non-expert” users to support and maintain their applications to keep them in top running condition.

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