Control system for hydrostatic pump
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United States of America Patent
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-
N/A
Issued Date -
Apr 21, 2005
app pub date -
Oct 15, 2003
filing date -
Oct 15, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A control system that can be used on a hydrostatic pump has a feedback sensor to detect the angle of a swashplate. From the information gathered by the feedback sensor about the swashplate and another set command, this information is sent to a microprocessor. The microprocessor then uses an algorithm to create an output signal and also sends out a superimposed dither signal. This dithered output signal is then received by a pressure control that causes a dither servo pressure in a servo system. Because of the dither pressure the servo system adjusts the position of the swashplate.
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Cited Art Landscape
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