METHOD OF USING FEEDFORWARD COMPENSATION BASED ON PRESSURE FEEDBACK FOR CONTROLLING SWASH PLATE ANGLE IN A HYDROSTATIC POWER UNIT OF A CONTINUOUSLY VARIABLE TRANSMISSION

A swash plate angle for a hydrostatic power unit of a continuously variable hydromechanical transmission is determined using a feedforward compensation term, to reduce reliance on closed loop control. The feedforward term is based on knowledge of the hydrostatic power unit determined as a function o...

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Bibliographische Detailangaben
Hauptverfasser:	PRASSE, Robert, C, BULGRIEN, Garth, H, GUO, Haibo, WEERAMANTRY, Cecil, A, DIX, Peter, J, HARTMAN, Brian, A, FELSING, Brian, E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A swash plate angle for a hydrostatic power unit of a continuously variable hydromechanical transmission is determined using a feedforward compensation term, to reduce reliance on closed loop control. The feedforward term is based on knowledge of the hydrostatic power unit determined as a function of knowledge of certain parameters, including, but not limited to, hydrostatic power unit pressure, swash plate angle, desired hydrostatic power unit ratio, and pump speed.