Method and device for controlling a hydraulic drive system
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United States of America Patent
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Jul 9, 2013
Grant Date -
Jan 3, 2008
app pub date -
Feb 27, 2007
filing date -
Feb 27, 2006
priority date (Note) -
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Abstract
In a method and device for controlling a hydraulic drive system, in particular in a crane or construction machine, a closed hydraulic circuit has a hydraulic pump and motor in which depending upon a desired value (ndes) of an output parameter of the hydraulic circuit, an actuating signal (I) is generated for adjusting the hydraulic pump and/or motor. The actuating signal (I) is limited and/or reduced by a superordinate control module (6) depending on matching of a specified power value (P+; P−) with a current power value (PPu; PM) of the hydraulic pump and/or motor.
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