David B. Ender, President, Techmation Inc.

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Process Safety February 1, 1999

Techmation deadband reset scheduling algorithm

N ot intended to replace good valve selection and maintenance procedures, the Techmation Inc. (Scottsdale, Ariz.) deadband reset scheduling algorithm provides a good compromise between the competing requirements of steady-state stability and speed of response. Deadband Reset Scheduling (DRS) is the name given to a modified PID control algorithm developed by Techmation. It has been successfully implemented on thousands of control loops on a wide variety of digital control systems, according to Techmation.

By David B. Ender, President, Techmation Inc.
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