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Active user interface haptic feedback and linking control system using either force or position data

  • US 8,078,340 B2
  • Filed: 11/12/2007
  • Issued: 12/13/2011
  • Est. Priority Date: 11/12/2007
  • Status: Active Grant
First Claim
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1. An active user interface control system, comprising:

  • a pilot user interface configured to rotate, from a null position, about a first rotational axis and a second rotational axis, the second rotational axis perpendicular to the first rotational axis, the pilot user interface further configured to receive an input force and, upon receipt of the input force, to rotate, about one or both of the first and second rotational axes, from the null position to a control position;

    a first pilot user interface force sensor configured to sense a vector component of the input force supplied to the pilot user interface that results in pilot user interface rotation about the first rotational axis and operable to supply a first pilot user interface force signal representative thereof;

    a second pilot user interface force sensor configured to sense a vector component of the input force supplied to the pilot user interface that results in pilot user interface user interface rotation about the second rotational axis and operable to supply a second pilot user interface force signal representative thereof;

    a first pilot user interface position sensor operable to supply a first pilot user interface position signal representative of a vector component of the control position that lies along the second rotational axis;

    a second pilot user interface position sensor operable to supply a second pilot user interface position signal representative of a vector component of the control position that lies along the first rotational axis;

    a first pilot user interface motor coupled to the pilot user interface, the first pilot user interface motor further coupled to receive motor current and operable, upon receipt of the motor current, to supply a first pilot user interface feedback force to the pilot user interface about the first rotational axis;

    a second pilot user interface motor coupled to the pilot user interface, the second pilot user interface motor further coupled to receive motor current and operable, upon receipt thereof, to supply a second pilot user interface feedback force to the pilot user interface about the second rotational axis;

    a first pilot user interface motor control coupled to receive the first pilot user interface force signal and the first pilot user interface position signal and operable to selectively control motor current to the first pilot user interface motor based on either (i) the first pilot user interface force signal or (ii) the first pilot user interface position signal; and

    a second pilot user interface motor control coupled to receive the second pilot user interface force signal and the second pilot user interface position signal and operable to selectively control motor current to the second pilot user interface motor based on either (i) the second pilot user interface force signal or (ii) the second pilot user interface position signal.

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