Reverse bump test for closed-loop identification of cd controller alignment
CA 2620150 C · Owner: Honeywell International Inc. · Inventors: Stewart, Gregory E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reverse bump test, for identifying the alignment of a sheetmaking system while the system remains in closed-loop control includes the following steps: , (a) leaving the control system in closed-loop (b) artificially inserting a , step signal on top of the measurement (or setpoint) profile from the scanner (c) recording the data as the control system moves the actuators to remove the perceived disturbance (or setpoint change) and (d) refining or developing a , model from the artificial measurement disturbance (or setpoint change) to the actuator profile. The technique supplies the probing/perturbation signal to the scanner measurement (which is equivalent to supplying the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 22, 2006 and granted March 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 22, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.