发明授权
US5572809A Control for hydraulically operated construction machine having multiple tandem articulated members 失效
具有多个串联连接构件的液压施工机械的控制

Control for hydraulically operated construction machine having multiple
tandem articulated members
摘要:
An apparatus and method for controlling a hydraulically operated construction machine, having a plurality of tandem articulated members which are controlled in a manner that movement of one of the members is controlled in response to movement of another of the members, in order to move the members in a predetermined pattern. The members are controlled in response to the anticipated future movement of the another member. Anticipated future movement of the another member may be determined, for example, as a function of the present position and velocity of the another member and system delay in movement of the another member. Where the another member is controlled manually by an operator control lever coupled with a manual hydraulic control valve, anticipated future movement may be determined by monitoring actuation of the control lever.
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