Patents by Inventor Asao Miyabe

Asao Miyabe 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).

  • Self-tuning controller
    Patent number: 4881160
    Abstract: A controller in which proportional integral (PI) arithmetic is effected on a deviation between a measurement or process signal from a process or controlled system and a control set value, and a resultant manipulation signal is outputted to the process. A waveform of the process signal or the deviation signal is observed. PI arithmetic parameters undergo self-tuning so that the measurement result becomes a preset response target.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: November 14, 1989
    Assignee: Yokogawa Electric Corporation
    Inventors: Yoshikatsu Sakai, Yasuo Nakai, Asao Miyabe, Takafumi Kawano