Patents Assigned to Honeywell ACSA Inc.
  • Patent number: 6807510
    Abstract: A process for coordinated control of machine direction MD and cross direction CD actuators in a sheetmaking machine for manufacturing a sheet of material is disclosed. The process involves measuring a plurality of sheet properties at regular intervals to collect sheet measurement data. The sheet measurement data is manipulated to establish a plurality of sheet property measurement arrays, which are then mapped to a common resolution. The common resolution sheet property measurement arrays are concatenated into one larger one-dimensional common resolution measurement array. The common resolution measurement array and an array of past changes in actuator set point are used as inputs to a paper machine process model state observer to generate the estimated current internal state of the sheet manufacturing process. A plurality of future-sheet property target arrays are concatenated into one target array.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: October 19, 2004
    Assignee: Honeywell ACSA Inc.
    Inventors: Johan U. Backstrom, Pengling He