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1. 发明授权

US07480579B2 Method and apparatus for performing temperature compensation for a payload measurement system 失效
标题翻译：用于对有效载荷测量系统进行温度补偿的方法和装置
公开(公告)号：US07480579B2
公开(公告)日：2009-01-20
申请号：US11315770
申请日：2005-12-22
申请人： Kevin J. Lueschow , Jody M. Drake
发明人： Kevin J. Lueschow , Jody M. Drake
IPC分类号： G01G23/01 , G01F19/00
CPC分类号： G01G19/10 , E02F9/264 , G01G23/01
摘要： The present invention provides a method and apparatus configured to perform relative load compensation for a payload measurement system of a machine. The machine has at least one cylinder for elevating a payload carrier. The cylinder is connected to a fluid circuit having an actuating fluid. The payload measurement system is calibrated. Then a load of unknown weight is lifted. To determine the weight of this load, the system determines an uncompensated payload weight as a function of sensed pressure values of the actuating fluid. Temperature of the actuating fluid is sensed at the time of calibration and at a time of lift and the difference is scaled. A payload weight is determined as a function of the scaled temperature and the uncompensated payload weight.
摘要翻译：本发明提供一种被配置为对机器的有效载荷测量系统执行相对负载补偿的方法和装置。该机器具有至少一个用于提升有效载荷的气缸。气缸连接到具有致动流体的流体回路。有效载荷测量系统被校准。然后解除重量不明的负载。为了确定该负载的重量，系统根据感测到的致动流体的压力值确定未补偿的有效载荷重量。在校准时和提升时检测致动流体的温度，并且将差值缩放。有效载荷重量根据缩放的温度和未补偿的有效载荷重量确定。

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