Abstract: A self-propelled forage harvester is disclosed that includes a blade sharpening and shear bar adjusting device, a monitoring device configured to cyclically generate information on the state of the cutterhead chopping glades and the distance of the shear bar to the cutting edge, and a control unit. The control unit evaluates the information provided by the monitoring device about the state of wear of the chopping blades and the distance, compares it with a limit value for the state of wear and/or the distance, where the limit value forms a lower limit for an optimum range to be maintained by the blade sharpening and shear bar adjusting device, of the instantaneous cutting sharpness of the chopping blades or of the distance and, when the limit value is reached, automatically triggers a sharpening process and/or of a shear bar adjustment by the blade sharpening and shear bar adjusting device.

Abstract: A self-propelled combine configured to collect and handle harvested material and a method for operating the self-propelled combine are disclosed. The combine may include a bypass device that includes an optical measuring device configured to determine one or more harvested material properties of the partial flow of harvested material. The bypass device may have at least one capacitive measuring device for determining the harvested material properties of the partial flow of harvested material.

Abstract: A method for the operation of a combine harvester includes processing a harvested material flow by at least one axial separator and ejecting a residual material flow formed in this way from the combine harvester by at least two ejection devices. The axial separator is formed by a movable vane element by means of which the residual material flow exiting from the axial separator is distributed on a work member downstream of the axial separator. In order to further improve the distribution of the residual material flow on the field, an actual distribution of the residual material flow on the two ejection devices is detected, wherein, when a deviation of the actual distribution from a predetermined reference distribution is detected, the vane element is readjusted so that the actual distribution is at least approximated to the reference distribution.

Abstract: A self-propelled combine for collecting and handling harvested material and a method for cleaning and/or referencing an optical measuring device of the self-propelled combine are disclosed. The self-propelled combine has a bypass device with an optical measuring device for determining harvested material properties of the partial flow of harvested material.

Abstract: A driver assistance system for a combine harvester that has a processing stage with an input for a crop flow, a first output for a useful flow and has abundant threshed grains, and a second output for a residual flow with scarce grains. At least one operating parameter of the processing stage is adjustable. The driver assistance system has an actuatable rethreshing device arranged at the second output of the processing stage, a residual grain sensor for detecting a proportion of threshed out grain in the residual flow downstream of the rethreshing device, and an evaluating device that turns the rethreshing device on and off, compares the proportions of threshed out grains in the residual flow when the rethreshing device is turned on and when the rethreshing device is turned off, and to adapt the at least one operating parameter of the processing stage based on the comparison.

Abstract: An agricultural production machine, such as a combine, forage harvester or tractor, is disclosed. The agricultural production machine includes a drive assembly with an internal combustion engine, an electric energy supplying system having an electric auxiliary machine, and a driver assistance system with a control system that is configured to control the internal combustion engine, the electric auxiliary machine, and at least one power consumer that can be driven by the drive assembly. The internal combustion engine operates at the lowest possible rotational speed, with the electric energy supplying system configured to support the internal combustion engine by connecting the electric auxiliary machine at this lowest possible rotational speed when connecting a load.

Abstract: A driver assistance system of an agricultural harvesting machine with a harvesting header designed as a draper is disclosed. The driver assistance system comprises a memory for storing data and a computing device for processing the data saved in the memory. The draper comprises a central belt and at least one transverse conveyor belt arranged on the left side and the right side of the central belt for conveying the harvested material to the central belt. The draper forms, together with the driver assistance system, an automatic draper. The computing device operates the automatic draper as a characteristic diagram controller using the saved characteristic diagrams, with the automatic draper optimizing operating parameters of the draper and specifying the optimized operating parameters for the draper. The characteristic diagrams describe the relationship between the operating parameters and quality parameters, and a control characteristic curve is assigned to the particular characteristic diagram.

Abstract: An agricultural production machine comprising a characteristic diagram control is disclosed. The characteristic diagram control comprises one or more characteristic diagrams. Each characteristic diagram is configured to optimize operating parameters of the process units of the agricultural production machine. The particular characteristic diagram is designed as an initial characteristic diagram. In the initial characteristic diagram, at least the relationship between operating parameters of a process unit and quality parameters is described by initial operating points. A control characteristic curve is associated with the particular characteristic diagram, and the control characteristic curve lies around the minimum or maximum of the particular quality parameter.

Abstract: A driver assistance system of an agricultural harvesting machine with a harvesting header designed as a draper is disclosed. The driver assistance system comprises a memory for storing data and a computing device for processing the data saved in the memory. The draper comprises a central belt and at least one transverse conveyor belt arranged on the left side and the right side of the central belt for conveying the harvested material to the central belt. The draper forms, together with the driver assistance system, an automatic draper. The computing device operates the automatic draper as a characteristic diagram controller using the saved characteristic diagrams, with the automatic draper optimizing operating parameters of the draper and specifying the optimized operating parameters for the draper. The characteristic diagrams describe the relationship between the operating parameters and quality parameters, and a control characteristic curve is assigned to the particular characteristic diagram.

Abstract: A method for executing an agricultural work process on a field by means of a group of agricultural work machines. The work machines each have work assemblies which are adjustable with machine parameters for adapting to the respective agricultural conditions. The work machines of the group communicate with one another via a wireless network. The work machines of the group are configured as self-optimizing work machines which each have a driver assistance system for generating and adjusting machine parameters in an automated manner. These machine parameters are optimized with respect to the agricultural conditions. The work machines of the group cooperate collectively in the manner of a virtual work machine.

Abstract: A self-propelled harvester having a height-adjustable pick-up device, on which an attachment pivotable about a virtual pendulum axis of the pick-up device is positioned for picking up harvested material is disclosed. The pick-up device is configured for adaptive adjustment of a vertical distance of the attachment from the ground. Further, at least one support wheel is positioned at least on the outer lateral regions of the attachment. The support wheel may be guided in a height-movable manner by a hydraulic cylinder connected to a hydraulic circuit of a hydraulic system having a pressure source. Position regulation of the attachment transverse to the forward direction of travel by pivoting about the virtual pendulum axis is independent of a transverse guidance of the attachment controlled or regulated by the harvester.

Abstract: An agricultural harvesting machine has a cutting apparatus formed as a header for cutting and picking up crop of a crop stand, an inclined conveyor downstream of the cutting apparatus and in which a temporal layer height flow is adjusted, and a driver assistance system for controlling the cutting apparatus. The driver assistance system has a computing device and a sensor arrangement with a crop sensor system for generating crop parameters of the crop stand and a layer height sensor for generating the temporal layer height flow. The computing device simultaneously generates the cutting apparatus parameters of the cutting table length, horizontal reel position and vertical reel position so as to be adapted to one another and conveys them to the cutting apparatus to implement a harvesting process strategy in ongoing harvesting operation.

Abstract: A self-propelled forage harvester and a method for controlling said forage harvester are disclosed. A measuring device of the forage harvester may have a plurality of electrodes spaced at a distance from each other. These electrodes may be arranged or positioned in an intermediate channel of a harvested material processing channel of the forage harvester and may form a plurality of capacitors. Further, delivery-specific parameters and/or material-specific parameters may be discernible from the measurements of the electrical capacitances of the plurality of capacitors.

Abstract: A method for operating a self-propelled agricultural harvester with a cutting unit and a self-propelled agricultural harvester are disclosed. A driver assistance system associated with the agricultural harvester includes a memory that saves data and a computing unit for processing data saved in the memory. The driver assistance system and the cutting unit form an automated cutting unit. A harvesting process strategy is selected from a plurality of harvesting process strategies saved in the memory and at least one cutting unit parameter is selected. The at least one cutting unit parameter may be determined autonomously by the computing unit to implement the at least one selected harvesting process strategy and may be specified to the cutting unit.

Abstract: An agricultural machine comprises a carrier vehicle and an attachment is disclosed. The attachment is pivotably guided on the carrier vehicle about an axis extending in the direction of travel of the carrier vehicle. To the right and left of the axis, a support wheel is connected to the attachment via a damped, compressible arm. A control circuit is configured to decide whether a pivoting motion of the attachment about the axis is or is not desirable and, in the case that the pivoting motion is desirable, the arm that is compressed by the pivoting motion is switched from a strongly dampened compressible state to a substantially undampened state.

Abstract: A detection arrangement for detecting a wear status of a chopping knife arrangement of a chopping device provided for processing a product flow, wherein the chopping device has a revolving chopping drum receiving the chopping knife arrangement and at least one shear bar which cooperates with the chopping knives, with a sensor arrangement which has a magnetic exciter arrangement and a flux conducting device magnetically coupled thereto. The sensor arrangement provides a pole arrangement which forms at least one magnetic pole with a pole surface for conducting magnetic flux, wherein at least a portion of the chopping knife passes the pole arrangement during a rotation of the chopping drum. A voltage induced when a chopping knife arrangement passes the sensor arrangement forms the measured magnetic value, which is used by the evaluation unit to determine the state of wear of the chopping knife arrangement.

Abstract: A method and a system for determining an indicator of processing quality of an agricultural harvested material using a mobile device is disclosed. A computing unit analyzes image data of a prepared sample of harvested material containing grain components and non-grain components in an analytical routine to determine the indicator of the processing quality of the agricultural harvested material. Further, the computing unit uses a trained machine learning model in the analytical routine to perform at least one step of determining the indicator of the processing quality of the agricultural harvested material.

Abstract: A method and a system for determining an indicator of processing quality of an agricultural harvested material using a mobile device is disclosed. A computing unit analyzes image data of a prepared sample of harvested material containing grain components and non-grain components in an analytical routine to determine the indicator of the processing quality of the agricultural harvested material. Further, the computing unit uses a trained machine learning model in the analytical routine to perform at least one step of determining the indicator of the processing quality of the agricultural harvested material and that the computing unit adjusts at least one machine parameter of the forage harvester based on the indicator of processing quality.

Abstract: A harvested material tank of a harvester is disclosed. The harvested material tank comprises a tank expansion formed from a plurality of movable elements. At least one of the plurality of movable elements includes at least one access flap that, when in an open position, offers access for a user to the interior of the harvested material tank.

Abstract: A method and a self-propelled forage harvester for determining the need for grinding chopping blades of a chopping device of the self-propelled forage harvester is disclosed. A monitoring device determines, such as cyclically, the state of wear of the chopping blades. The monitoring device comprises an input/output unit through which to enter or select a target state of the chopping blades to be produced by a grinding device as a target. The monitoring device generates, such as continuously, information depending on the target state and the determined state of wear, and causes an output on the input/output unit to visualize the extent to which the currently determined state of wear deviates from the target state.