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Give him a ring: 406-426-0803 USA

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APC Performance, LLC
c/o Allan Kern
Box 984
Red Lodge, Montana  59068

   About APC Performance, LLC is the website of Allan G. Kern, P.E. Mr. Kern has 35 years of industrial control and automation experience, including:

  • Inventor of XMC®, industry's only model-less multivariable control method.
    • The most important development in multivariable control in over three decades.
  • Inventor or RPC® (Rate-Predictive Control), industry's only inherently adaptive control algorithm.
    • The most important development in single-loop control since Ziegler-Nichols.
  • Over 30 published papers on process control topics ranging from field instruments to safety systems, single-loop control, multivariable control performance, and expert systems, with an overall theme of practical and effective solutions to modern process control challenges.
  • Early retirement in 2008 as Automation Group Leader from Saudi Aramco's flagship Ras Tanura Refinery, Ras Tanura, Saudi Arabia
  • Winner of the ISA 2015 Nels Tyring Award for Best Article, for Multivariable control performance: the case for model-less multivariable control

Through insightful and persistent publications spanning his entire career, Mr. Kern has established himself as industry's leading voice for understanding and addressing the complex challenges of model-based multivariable control performance and practice. This pursuit ultimately led to his inventions of XMC®, industry's only model-less multivariable control method, and RPC®, industry's only inherently adaptive process control algorithm.

Mr. Kern is a Professional Control Systems Engineer and Chemical Engineer. He is a 1981 graduate of the University of Wyoming, USA.

 About APC Performance, LLC,  and Lin & Associates, Inc.:

  • XMC®, RPC® and all related patents and trademarks are the products and property of APC Performance, LLC.
  • APC Performance, LLC, is partnered with Lin & Associates, Inc., to bring XMC®, RPC®, and other consulting services to the industrial process control and automation market.
  • Inquiries may be directed to either APC Performance or Lin & Associates.