Patents by Inventor Christian H. Muller

Christian H. Muller has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Control method for a robot
    Patent number: 7872436
    Abstract: An apparatus, a method and a control system for controlling an industrial robot with at least one axis of rotation and/or translation. The robot includes at least one actuator or motor at each of the axes for driving a movement of an arm of the robot and at least one sensor at each of the rotatable shafts. A dither-signal generator for generation of a periodic signal is used to provide a varying dither signal to a servo of the actuator. Automatic adaption of the dither signal is provided. A computer program for carrying out the method and a graphical user interface.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: January 18, 2011
    Assignee: ABB AB
    Inventors: Sönke Kock, Christian H Müller, Torgny Brogårdh, Jesper Bergsjö, Andreas Olevik, Stig Moberg
  • CONTROL METHOD FOR ROBOTS
    Publication number: 20090069936
    Abstract: A method of an industrial robot including a control unit and a manipulator including a tool including a defined tool center point and a device for determining a distance error between an inaccurately programmed position for a spot on a surface of a work piece and a corresponding actual position.
    Type: Application
    Filed: February 7, 2005
    Publication date: March 12, 2009
    Applicant: ABB AB
    Inventors: Sonke Kock, Colin Luthardt, Christian H. Muller, Ake Olofsson