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Electrohydraulic controller feedback system and method

  • US 9,000,898 B2
  • Filed: 08/16/2012
  • Issued: 04/07/2015
  • Est. Priority Date: 08/16/2012
  • Status: Active Grant
First Claim
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1. An electrohydraulic controller feedback system comprising:

  • an electrohydraulic operator controller for operator control of a machine hydraulic function;

    a feedback mechanism for sensing a property of the machine hydraulic function and for generating tactile feedback in the electrohydraulic operator controller based on the sensed property of the machine hydraulic function;

    wherein the tactile feedback varies according to a user-selectable profile, the user-selectable profile including a breakpoint, the tactile feedback being related to the sensed property of the machine hydraulic function by a first relationship for values of the sensed property less than the breakpoint and the tactile feedback being related to the sensed property of the machine hydraulic function by a second relationship for values of the sensed property greater than the breakpoint, the second relationship being different than the first relationship.

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