Importance

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Abstract

A large-size manipulator comprises a boom made up of several segments and arranged on a vehicle frame. The boom is foldable and has a slewing track ring rotated about a vertical axis of rotation. The boom segments can be swiveled with respect to each other and with respect to the slewing track ring. A distant steering system includes a steering organ to operate the driving units and to set a desired position of the driving units and/or the boom segments and the slewing track ring. A control system includes a monitoring unit to ascertain a parameter that describes a disturbance condition of at least one boom segment. A determination unit determines the load that acts on a driving unit in opposition to the position set by the steering organ. The control system assures that the driving unit is controlled to minimize the deviation from the set position of the boom segments. Vibration of the boom segments will therefore be damped.

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First Claim