Patents by Inventor Alexander Horch

Alexander Horch 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).

  • Method and a system for evaluation of static friction
    Patent number: 7047152
    Abstract: A method for evaluation whether oscillations in a control process depend on static friction in an actuator. A signal from the actuator or the signal from the process is measured. The measured signal is signal processed for the purpose of detecting whether the measured signal comprises abrupt inclination changes. It is decided whether there is static friction in the actuator based on whether the signal comprises abrupt inclination changes.
    Type: Grant
    Filed: May 13, 2003
    Date of Patent: May 16, 2006
    Assignee: ABB AB
    Inventor: Alexander Horch
  • Method and a system for evaluation of static friction
    Publication number: 20040078168
    Abstract: A method for evaluation whether oscillations in a control process depend on static friction in an actuator. A signal from the actuator or the signal from the process is measured. The measured signal is signal processed for the purpose of detecting whether the measured signal comprises abrupt inclination changes. It is decided whether there is static friction in the actuator based on whether the signal comprises abrupt inclination changes.
    Type: Application
    Filed: May 13, 2003
    Publication date: April 22, 2004
    Inventor: Alexander Horch