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    Method and device for real-time differentiation of analog and digital signals

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    Author
    Celik, Ozkan; Chawda, Vinay; O'malley, Marcia K.
    Type
    Utility patent
    Citation
    Celik, Ozkan; Chawda, Vinay; O'malley, Marcia K., "Method and device for real-time differentiation of analog and digital signals." Patent US9910411B2. issued 2018-03-06. Retrieved from http://hdl.handle.net/1911/99798.
    Abstract
    The controller includes a differentiating engine configured to receive an input signal value (ISV), wherein the ISV corresponds to state information for one selected from a group consisting of a controlled process and a user interface. The differentiating engine is further configured to determine an error between the ISV and an estimated input signal (EIS), estimate a frequency of the IS, select a plurality of pre-determined gains using the frequency, wherein at least one plurality of pre-determined gains is a suction control gain, determine a first estimated derivative of the input signal (EDIS) using the plurality of pre-determined gains and the error, and to output the first EDIS.
    Date
    2018-03-06
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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892