A leading vehicle loads material into a receiving vehicle during an unloading operation. An unloading control system detects and processes stop conditions to automatically stop a material conveyance mechanism when a stop condition arises.

Computer aided design (CAD) files for a plurality of different kinds of receiving vehicles are loaded to a remote server. Based on a receiving vehicle identifier, a corresponding CAD file or information derived from a CAD file is sent to a leading vehicle that is performing an unloading operation to load material into the receiving vehicle. An unloading control system controls the unloading operation based on the CAD file or information.

A system for sensing harvested crop levels within an agricultural harvester may include a crop tank configured to receive harvested crop. The system may further include a sensor configured to emit a sensor beam into the crop tank for reflection off of the top surface of the harvested crop. Additionally, the system may include a reflection panel positioned at a minimum detectable crop level within the crop tank. The reflection panel may be configured to reflect the sensor beam when the current crop level is vertically below the minimum detectable crop level. A center of the reflection panel may be positioned closer to the sensor than an outer edge of the reflection panel such that the reflection panel diffuses the sensor beam as it reflects off of the reflection panel.

A data processor retrieves or accesses a reference bin level versus reference phase for a determined seed type. A measurement device, receiver, or phase measurement module measures an observed phase of a primary received signal. The data processor is adapted to determine an estimated bin level of seeds, where the estimated bin level is established as the reference bin level that corresponds to a respective reference phase that is closest in value to the observed phase.

An embodiment includes a combine including a feeder housing for receiving harvested crop, a separating system for threshing the harvested crop to separate grain from residue, a grain tank for storing the separated grain, a grain tank level sensor for detecting a level of grain in the grain tank, an inclination sensor for detecting inclination of the combine, and a controller that controls the combine. The controller configured to receive the grain tank level from the grain tank level sensor, receive an inclination value from the inclination sensor, adjust the grain tank level based on the inclination value, and alert an operator of the adjusted grain tank level.

Systems and methods are disclosed for sensing and analyzing filling of a grain cart while receiving grain from a combine. Time-of-flight sensors may be mounted on the cart and used to provide signals indicative of distances of surfaces of accumulating grain from the sensors, and these distances may be determined by onboard processing circuitry. Other parameters such as cross-sectional areas, volumes, and locations in the cart may be determined based on the sensed signals. Open or closed loop control of cart and/or combine positioning may be provided based on the signals.

An embodiment includes a combine having a feeder housing for receiving harvested crop, a separating system for threshing the harvested crop to separate grain from residue, a grain bin for storing the separated grain, a bin level sensor for detecting grain in the grain bin; and a controller that controls the combine. The controller is configured to generate a usable operating range by discarding a selected range of values from an operating range of the bin level sensor, generate a shifted operating range by shifting the usable operating range by a shift value, receive a first value indicating a level of grain in the grain bin, generate a second value by shifting the first value by the shift value, and present the second value to an operator of the combine.

In one aspect, a method for unloading harvested crop from an agricultural harvester may include monitoring a quantity of the harvested crop discharged from the harvester based on sensor data indicative of the quantity of the harvested crop discharged from the harvester. The method may further include controlling an operation of a flow control device of the harvester to halt transfer of the harvested crop from a crop tank of the harvester to a crop discharge system of the harvester when a first quantity of the harvested crop has been discharged from the harvester. Additionally, the method may include continuing to control an operation of the crop discharge system after halting further transfer of the harvested crop from the crop tank to the crop discharge system to convey any remaining harvested crop contained within the crop discharge system to the discharge location.

In one aspect, a system for sensing harvested crop levels within an agricultural harvester may include a crop tank configured to receive harvested crop. The system may further include a sensor configured to emit a sensor beam into the crop tank for reflection off of the top surface of the harvested crop. Additionally, the system may include a reflection panel positioned at a minimum detectable crop level within the crop tank. The reflection panel may be configured to reflect the sensor beam when the current crop level is vertically below the minimum detectable crop level. A center of the reflection panel may be positioned closer to the sensor than an outer edge of the reflection panel such that the reflection panel diffuses the sensor beam as it reflects off of the reflection panel.

A combine including a frame, power unit and a crop gathering and processing device. A grain tank is mounted on the frame. An elongated closed end tube is vertically oriented within the grain tank and has a plurality of uniformly spaced openings along its length. A pneumatic pump pressurizes the interior of the tube. A pressure sensor senses the interior pressure of the elongated tube, so that grain building up therein selectively covers the plurality of openings to cause a proportionate increase in air pressure.