Control system for mobile fluid delivery machine
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United States of America Patent
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Nov 8, 2016
Grant Date -
Mar 6, 2014
app pub date -
Aug 29, 2012
filing date -
Aug 29, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A control system is disclosed having at least one spray head, a fluid pump, and a power converter driving the fluid pump. The control system may also have an interface device to receive at least one parameter associated with a desired fluid delivery event, a pressure sensor configured to generate a first signal, a travel speed sensor configured to generate a second signal, and a controller. The controller may be configured to determine a desired fluid pressure based on the at least one parameter, and determine a control command for the power converter based on the desired fluid pressure. The controller may be further configured to determine a feedforward gain parameter based on the at least one parameter and the second signal, determine a feedback gain parameter based on a difference between desired and actual fluid pressures, and adjust the control command based on the feedforward and feedback gain parameters.
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