CNH Industrial Belgium Patente

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In one aspect, a method for determining soil clods within a field includes receiving one or more images depicting an imaged portion of an agricultural field. The method also includes classifying a portion of the plurality of pixels that are associated with soil within the imaged portion of the field as soil pixels with each soil pixel being associated with a respective pixel height. The method also includes generating a first ray from a local maximum in a first direction and a second ray from the local maximum in a second direction that is perpendicular to the first ray until opposing endpoints are determined based on a detected edge condition. Lastly, the method includes determining whether a soil clod based at least in part the first ray or the second ray of the candidate soil clod.

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A method is provided for determining a crop tank filling level in an agricultural harvester (10). The method comprises a step of receiving a first trigger signal from a first crop tank sensor (81, 82), the first trigger signal corresponding to a first crop tank filling level. After receiving the first trigger signal, a harvesting yield is estimated based on a travelled distance and a predetermined average yield parameter. A current crop tank filling level is calculated based on the first crop tank filling level and the estimated harvesting yield. The method further comprises receiving a second trigger signal from a second crop tank sensor (82, 83), the second trigger signal corresponding to a second crop tank filling level. The second crop tank filling level is different from the first crop tank filling level. Upon receiving the second trigger signal, the predetermined average yield parameter is calibrated based on the calculated current crop tank filling level and the first and second crop tank filling levels. Preferably, the method further comprises a step of adjusting the calculated current crop tank filling level in dependence of the second trigger signal.

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A combine (10) having a feeder housing (20) for receiving harvested crop, a separating system (24) for threshing the harvested crop to separate grain from residue, a residue spreader wheel (120, 122) spinning for expelling the residue from the combine (10), and a controller (310) that controls the combine (10). The controller (310) is configured to control the residue spreader wheel (120, 122) to continuously vary a distribution frequency of the expelled residue by oscillating between different rotational speeds of the residue spreader wheel (120, 122) or different attack angles of paddles (120A-D) of the residue spreader wheel (120, 122).

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A crop conditioning device (120) for an agricultural harvesting machine (110). The crop conditioning device (120) includes a first conditioning roll (124), a second conditioning roll (126), and a tension mechanism (140) connected to the second conditioning roll (126). The tension mechanism (140) is configured for applying a tension force on the second conditioning roll (126). The crop conditioning device (120) also includes a roll-gap mechanism (150) connected to the second conditioning roll (126). The roll-gap mechanism (150) is configured for pivoting the second conditioning roll (126) to adjust the roll gap (RG). The crop conditioning device (120) also includes a controller (150) operably connected to the tension mechanism (140) and the roll-gap mechanism (150). The controller (150) is configured for automatically setting an initial tension force and an initial roll gap (RG) dependent upon a type of crop material.

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A cutting unit for an agricultural baler includes: a plurality of knives; a knife guard having at least one opening; and a knife tray carrying the knives, the knife tray being movable between an exposed position where the knives extend through the at least one opening and a retracted position where the knives are shielded by the knife guard. An overload protection assembly includes a first slide member coupled to the knife tray and including a first engagement surface and a second slide member includes a second engagement surface that is engaged with the first engagement surface, the first slide member and the second slide member being held together and slidable relative to one another such that the first slide member slides relative to the second slide member to move the knife tray from the exposed position to the retracted position when an overload force is applied to at least one of the knives.

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The invention provides a controller (300) for controlling a chopper arrangement (72) of an agricultural harvester (10). The controller (300) receives sensor data indicative of an intensity of chopping (310) performed on crop material by the chopper arrangement, and sensor data indicative of a power consumption (314) of the chopper arrangement (72). The controller (300) has a processor (302) to determine an actuator setting for at least one chopper arrangement actuator of the agricultural harvester (10) in dependence on the received sensor data indicative of the intensity of chopping (310) and the received sensor data indicative of the power consumption (314). The controller (300) sends an actuator control signal (316) to the at least one chopper arrangement actuator to control the at least one chopper arrangement actuator to operate in accordance with the associated determined actuator setting. The determined actuator setting includes an amount of insertion, and an angle of insertion, of at least one bank of counter knives (86) of the chopper arrangement (72) relative to a plurality of rotatable knife rows (74) of the chopper arrangement (72).

A crop conditioning device (120,820) for an agricultural harvesting machine (100). The crop conditioning device includes a frame (112,122,812,822), a first conditioning roll (124,824), and a second conditioning roll (126,826). The crop conditioning device also includes a tension member (141,841) operably connected to the second conditioning roll. The tension member is configured for applying a tension force on the second conditioning roll. The crop conditioning device also includes a tension actuator (144,844) operably connected to the tension member. The tension actuator is configured for adjusting the tension force applied by the tension member. The crop conditioning device also includes a pair of control rods (151,851) respectively connected to the pair of lateral ends of the second conditioning roll. The crop conditioning device also includes a pair of roll-gap actuators (152,852) respectively and operably connected to the pair of control rods. The pair of roll-gap actuators are configured for pivoting the second conditioning roll to adjust the roll gap (RG).

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Wrapping system (100) for an agricultural baler (10) includes: material roll (13) configured to hold a roll of wrapping material; and knife assembly (12) including a movable knife (60) configured to cut wrapping material that comes off the material roll. A sensor (110) is associated with the material roll and configured to output a drawn material signal indicative of wrapping material being drawn from the material roll. A controller (510, 520) is operatively coupled to knife assembly and sensor. The controller is configured to: receive the drawn material signal; determine a length of wrapping material that is drawn from the material roll; output a cut signal to the knife assembly when the drawn length of wrapping material reaches a defined length; determine a length of wrapping material that is drawn from the material roll after outputting the cut signal; and output an excessive wrap signal when the length of wrapping material drawn after outputting the cut signal exceeds a threshold length.

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A residue deflection assembly (400) for a crop loss monitoring system (300) includes a residue deflector (402) configured to be positioned rearward of a row unit (204) of a header (200) of an agricultural harvester (100) relative to a direction of travel (16) of the agricultural harvester. The residue deflector is configured to direct residue away from a field of view (306) of a camera (304) of the crop loss monitoring system and to enable crop material to be present within the field of view of the camera.

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