Concrete distributing apparatus, and vibration suppression method, controller and device for the boom thereof
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United States of America Patent
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May 2, 2017
Grant Date -
Jul 23, 2015
app pub date -
Dec 7, 2012
filing date -
Aug 17, 2012
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Abstract
A boom vibration suppression method for concrete distributing apparatus is disclosed. The boom comprises a boom oil cylinder for respectively driving each section of the boom; the vibration suppression method comprises: detecting the variation of output force of the boom oil cylinder, and maintaining the variation of output force within the range of a preset threshold. The present invention further provides a vibration suppression controller, a vibration suppression device, and a concrete distributing apparatus that implement the method described above. The vibration of the boom is controlled directly with little time delay. The pressure of the boom oil cylinder is controlled directly and the variation of output force is maintained within a specific range; that control process is applicable to any boom posture since it has no direct relationship with the posture and dynamic characteristics of the boom.
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