Control of a boom construction and a tool articulated thereto
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United States of America Patent
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Apr 30, 2013
Grant Date -
Feb 21, 2008
app pub date -
Aug 1, 2007
filing date -
Aug 16, 2006
priority date (Note) -
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Abstract
A method for controlling a boom construction and a tool articulated thereto, the boom construction comprising a first boom and a first actuator controlling the same, a second boom articulated to the first boom, and a second actuator controlling the same, as well as a third actuator controlling the position of the tool, wherein in the method: the first actuator is controlled manually; and/or the second actuator is controlled manually and the third actuator is also controlled at the same time automatically to control the position of the tool. For example, the first actuator is controlled by use of a first set point; and/or the second actuator is controlled by use of a second set point; and in addition, the third actuator is controlled simultaneously by using for the control a variable dependent on at least one of said set points. For example, the control system of the boom construction and the tool articulated thereto comprises a control algorithm, which has been configured to determine the variable which is dependent on at least one of the set points.
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