COORDINATED JOINT MOTION CONTROL SYSTEM WITH POSITION ERROR CORRECTION
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United States of America Patent
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app pub date -
Dec 12, 2013
filing date -
Jan 18, 2006
priority date (Note) -
Abandoned
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Abstract
Disclosed are an articulated hydraulic machine supporting, control system and control method for same. The articulated hydraulic machine has an end effector for performing useful work. The control system is capable of controlling the end effector for automated movement along a preselected trajectory. The control system has a position error correction system to correct discrepancies between an actual end effector trajectory and a desired end effector trajectory. The correction system can employ one or more absolute position signals provided by one or more acceleration sensors supported by one or more movable machine elements. Good trajectory positioning and repeatability can be obtained. A two joystick controller system is enabled, which can in some cases facilitate the operator's task and enhance their work quality and productivity.
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