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Mark J Nixon, Marion A Keyes IV, Trevor D Schleiss, John A Gudaz, Terrence L Blevins: Method and apparatus for performing a function in a plant using process performance monitoring with process equipment monitoring and control. Fisher Rosemount Systems, Marshall Gerstein & Borun, April 17, 2007: US07206646 (127 worldwide citation)

A process control system uses a data collection and distribution system and an asset utilization suite to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the ma ...


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John A Gudaz, Yan Zhang, Wilhelm K Wojsznis: Determining tuning parameters for a process controller from a robustness map. Fisher Rosemount Systems, Marshall Gerstein & Borun, January 21, 2003: US06510353 (40 worldwide citation)

A simulation procedure simulates the response of a process control loop having a controller tuned according to a set of tuning parameters to illustrate, for example, the overshoot, oscillation, response time, etc. of the controller as tuned. As part of the simulation procedure, a robustness map, suc ...


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Wilhelm K Wojsznis, Terrence L Blevins, Dirk Thiele, John A Gudaz: Model-free adaptation of a process controller. Fisher Rosemount Systems, Marshall Gerstein & Borun, November 29, 2005: US06970750 (13 worldwide citation)

An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on model free adaptation. The adaptive controller combines a controller gain computed from an oscillation ind ...


4
Marion A Keyes IV, John A Gudaz, Yuan Hao Tsing: Fibrous stock blending control system. Beloit Corporation Beloit WI, Dugger Peterson Johnson & Westman, November 16, 1971: US3620915 (9 worldwide citation)

A system for controlling the composition of furnish in a papermaking mixing tank wherein a plurality of stocks are blended. A level transmitter generates a signal indicating the level of furnish in the mixing tank. This signal is compared in a comparator with a set point for the furnish level, any d ...


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Mark J Nixon, Marion A Keyes, Trevor D Schleiss, John A Gudaz, Terrence L Belvins: Fusion of process performance monitoring with process equipment monitoring and control. Marshall Gerstein & Borun, June 20, 2002: US20020077711-A1 (3 worldwide citation)

A process control system uses a data collection and distribution system and an asset utilization suite to collect data or information pertaining to the assets of a process plant from various sources or functional areas of the plant including, for example, the process control functional areas, the ma ...


6
Wilhelm K Wojsznis, Terrence L Blevins, Dirk Thiele, John A Gudaz: Model-free adaptation of a process controller. Marshall Gerstein & Borun, April 10, 2003: US20030067355-A1

An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on model free adaptation. The adaptive controller combines a controller gain computed from an oscillation ind ...


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