A system for an agricultural vehicle can include a nozzle assembly positioned along a boom assembly. A position sensor can be associated with the boom assembly. A field sensor can be associated with the nozzle assembly. A computing system can be operably coupled with the nozzle assembly, the position sensor, and the field sensor. The computing system can be configured to detect a target within a field based on data from the field sensor, determine a boom deflection model based on data from the position sensor, and activate the nozzle assembly to apply an agricultural product to the target at a first flow rate based on the boom deflection model. The first flow rate is varied from a nominal flow rate when the boom assembly is deflected.

A method for applying a coating product using the drop on demand technology, wherein the coating product is deposited by a robot applicator including a controller and at least one nozzle with sequential opening, commanded by the controller, the method including moving the nozzle of the robot applicator between a starting point and an arrival point, the projections of which, along the ejection axis of the nozzle, on the surface to be coated, define first and second reference points respectively belonging to two edges of the surface to be coated, in order to deposit a series of drops between the two edges, the spacing between the respective centers of two successive drops being adjusted by the controller as a function of the length of the journey between the two reference points and such that the last drop is deposited in a centered manner on the second reference point.

A method for applying a coating product using the drop on demand technology, wherein the coating product is deposited by a robot applicator including a controller and at least one nozzle with sequential opening, commanded by the controller, the method including moving the nozzle of the robot applicator between a starting point and an arrival point, the projections of which, along the ejection axis of the nozzle, on the surface to be coated, define first and second reference points respectively belonging to two edges of the surface to be coated, in order to deposit a series of drops between the two edges, the spacing between the respective centers of two successive drops being adjusted by the controller as a function of the length of the journey between the two reference points and such that the last drop is deposited in a centered manner on the second reference point.

A system for applying fluid to an agricultural field includes a fluid source, a plurality of nozzles connected in fluid communication with the fluid source, and a plurality of electrically actuated valves configured to control fluid flow through the plurality of nozzles. The plurality of electrically actuated valves are divided into a plurality of groups. The system also includes a plurality of section control valves. Each section control valve is connected in fluid communication between the fluid source and a corresponding one of the groups of electrically actuated valves. Each section control valve is positionable to adjust a flow coefficient of the section control valve. The system further includes a controller configured to control the position of each section control valve to provide a predetermined flow coefficient for each section control valve based on a predetermined fluid pressure for the corresponding group of electrically actuated valves.

Proposed are a chemical liquid supply unit, a substrate processing apparatus having the same, and a chemical liquid supply method. More particularly, proposed is a technique for supplying chemical liquids of different flow rates, in which a chemical liquid is supplied at the same flow rate to each of a plurality of chemical liquid lines and the flow rate of the chemical liquid is adjusted through a flow control valve disposed on at least one chemical liquid line selected among the plurality of chemical liquid lines, so that the plurality of chemical liquid lines can supply chemical liquids at different flow rates.

Introduced here is a self-contained face mask system with an automated liquid-droplet dispensing mechanism (ADM) for humidification. The enclosure of the self-contained mask system can be comprised of one or more layers of breathable fabric adapted to flexibly conform to the face of a user when worn to form a cavity that is adjacent the nostrils and mouth. The ADM of the face mask system can be comprised of a reservoir in which liquid is stored, a respiratory cycle detector, a timer and controller, and a droplet dispenser that controllably dispenses droplets of the liquid from the reservoir into the cavity for inhalation by the user. The ADM can be contained entirely within the face mask enclosure or supported on the surface of the face mask enclosure such that the self-contained mask system, when worn by a user, can be supported entirely by the head and neck of the user.

Various embodiments of an apparatus, methods, systems and computer program products described herein are directed to an agricultural observation and treatment system and method of operation. The agricultural treatment system uses a treatment unit for emitting a laser at agricultural objects. The treatment unit is configured with a treatment head assembly that includes a moveable treatment head with one or more laser emitting tips. A first and second motor assembly are operated by the treatment unit to control the movement of the treatment head. The first motor assembly includes a first motor rotatable in a first rotational axis. A first linkage assembly is connected to the first motor and the treatment head assembly. The first linkage assembly is rotatable by the first motor. The second linkage assembly is rotatable by the second motor.

A sensor-cleaning apparatus includes an upper piece, a lower piece fixed to the upper piece, a plurality of inserts inserted into the upper piece, and a plurality of nozzles. The upper piece and the lower piece form a tubular segment that is elongated along an arc of a circle and encloses a chamber. Each nozzle is formed of the upper piece and one of the inserts. Each nozzle includes a deflection surface and a tunnel from the chamber to the deflection surface, and each tunnel is partially formed of the upper piece and partially formed of the respective insert.

A liquid discharge apparatus to discharge liquid to apply the liquid to an object includes a head, a mover, a rotator, and processing circuitry. The head has a nozzle surface in which a plurality of nozzle rows each including a plurality of nozzles to discharge the liquid are arranged. The mover relatively moves the head and the object in each of a first direction and a second direction orthogonal to each other along the nozzle surface. The rotator rotates the head along the nozzle surface. The processing circuitry controls the relative movement to correct unevenness of a nozzle interval between the plurality of nozzles along the second direction caused by an inclination between the first direction and a third direction when the head is rotated. The third direction is a direction in which the plurality of nozzles are arranged in each of the plurality of nozzle rows.

A fluid control valve includes a first portion, a second portion, and a third portion, which, when combined, define a first channel, a second channel, a third channel, and a fourth channel. Each of the channels is defined by a combination of at least two of the portions. The fluid control valve further includes a first diverter and a second diverter. The first diverter and the second diverter are each movable between a first position and a second position to selectively control a flow of fluid through at least one of the chambers.