Patents by Inventor Testuo Suehiro

Testuo Suehiro 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).

  • Pid controller system
    Patent number: 4903192
    Abstract: A PID controller system comprises a PID controller for PID controlling a process standing for an object to be controlled, and an automatic adjuster being responsive to a variable relating to the manipulation of the PID controller and the response shape of the control variable from the process to obtain necessary performance indexes and preparing, on the basis of the performance indexes, optimum control parameters for tuning the actual control variable to the control command value, the optimum control parameters being fedback from the automatic adjuster to the PID controller.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: February 20, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Tadayoshi Saito, Junzo Kawakami, Susumu Takahashi, Testuo Suehiro, Hiroshi Matsumoto, Kouji Tachibana