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Abstract

The present invention relates to a method for controlling the fluid circulation in a spraying system comprising a boom comprising a nozzle, supply means, at least one pulse-width modulation generator of a signal and a pressure sensor, said method comprising the following steps:

a) setting a reference pressure;b) calculating a percentage of flow rate reduction to be applied according to said pressure, said percentage of flow rate reduction corresponding to the expected flow rate; thenc) generating a control signal corresponding to said expected flow rate;d) spraying a liquid, by measuring the supply pressure of said nozzle;e) measuring a flow rate of liquid supplying the boom;f) determining the outgoing liquid flow rate of liquid leaving said nozzleg) modifying the control of the generator according to a comparison between the determined outgoing liquid flow rate and the expected flow rate.

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First Claim