Patents Examined by Joshua C Liu
  • Optimizing the availability of a buffered industrial process
    Patent number: 6782295
    Abstract: A computer-implemented process determines optimum configuration parameters for a buffered industrial process. A population size is initialized by randomly selecting a first set of design and operation values associated with subsystems and buffers of the buffered industrial process to form a set of operating parameters for each member of the population. An availability discrete event simulation (ADES) is performed on each member of the population to determine the product-based availability of each member. A new population is formed having members with a second set of design and operation values related to the first set of design and operation values through a genetic algorithm and the product-based availability determined by the ADES. Subsequent population members are then determined by iterating the genetic algorithm with product-based availability determined by ADES to form improved design and operation values from which the configuration parameters are selected for the buffered industrial process.
    Type: Grant
    Filed: May 3, 2001
    Date of Patent: August 24, 2004
    Assignee: The Regents of the University of California
    Inventors: Harry F. Martz, Jr., Michael S. Hamada, Arthur J. Koehler, Eric C. Berg
  • Control system apparatus and method using a controlled device for manual data entry
    Patent number: 6772018
    Abstract: A system for commissioning a controller accepts a different manual input during each of several different phases of the installation and provides the installer with a different detectable cue during each phase. The installer provides the manual input and then operates a switch indicating the input is present. The system stores the manual input present and advances the system to the next phase, and in a preferred embodiment provides a visible cue identifying each phase. The preferred embodiment uses devices controlled by the controller during normal operation and which also have manual position adjustment or set point selection to provide the manual inputs.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: August 3, 2004
    Assignee: Honeywell International Inc.
    Inventors: Robert D. Juntunen, James I. Bartels, Scott P. O'Leary
  • Method and apparatus for using fast fourier transform feedback to compensate for non-linear motion
    Patent number: 6725101
    Abstract: A non-linear control (NLC) system for controlling performance of a device. The NLC system comprises a controller system and a first feedback compensator connected to the controller. The first feedback compensator compensates for linear error performance of the device; the second feedback compensator compensates for non-linear error performance of the device.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: April 20, 2004
    Assignee: Xerox Corporation
    Inventors: Rene E. Sanchez, Joannes N. M. de Jong, Lloyd A. Williams, Vincent M. Williams, Daniel W. Costanza