Method and apparatus for assessing controller performance

Details Method and apparatus for assessing controller performance Method and apparatus for assessing controller performance

2008-03-04

2008-03-04

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S030000, C700S051000, C700S121000, C700S174000

Reexamination Certificate

active

10325611

ABSTRACT:
A method includes providing a process controller for controlling a process tool. The process tool is controlled in accordance with a process parameter. Measurements associated with the processing parameter for a plurality of runs of the process tool are accessed. A performance measure for the process controller is generated based on the process parameter and the measurements. A system includes a process tool, a process controller, and a performance monitor. The process controller is configured to control the process tool in accordance with a process parameter. The performance monitor is configured to retrieve measurements associated with the processing parameter for a plurality of runs of the process tool and generate a performance measure for the process controller based on the measured processing parameters.

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patent: 6379980 (2002-04-01), Toprac
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