Motor controller for a hydraulic pump with electrical regeneration
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United States of America Patent
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Nov 25, 2003
Grant Date -
Dec 26, 2002
app pub date -
Aug 29, 2002
filing date -
Mar 29, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosure is made of a precision hydraulic energy delivery system that directly couples the pump to a primary mover (motor) and a related motor control. The system provides flow control of a hydraulically driven machine without the use of downstream devices by employing motion control algorithms in the motor control. Control features are electronically integrated into the hydraulic system by using control algorithms and subroutines specifically developed for the prime mover servo control system coupled to the pump.
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