Abstract: A machine that can comprise a steering system configured to direct movement of the machine and a control system operably coupled for communication with the steering system. The control system can comprise a grade sensor, and a controller configured to determine a slope from an uphill side of the machine to a downhill side of the machine based on sensed data from the grade sensor. The controller can be further configured to control the steering system to limit a turn radius of the machine toward the uphill side of the frame based on the determined slope.

Abstract: An adjustable mass eccentric for a multi-amplitude vibratory mechanism can comprise a body and an internal cavity defined by the body such that the body surrounds the internal cavity. The internal cavity can include a first section, a second section, and a third section between the first section and the second section. The third section can define a volume and/or an area less than respective volumes and/or areas of the first section and the second section of the internal cavity. Filler material may be provided in the internal cavity and can migrate to and from the first, second, and third sections based on rotational movement of the body and internal cavity.

Abstract: A compactor vibration system, apparatus, and method that selectively provide access to vibration control settings. The control can include receiving a setting for a first set of selectable amplitudes of vibration force at which to operate a vibratory system for a first predetermined amount of time, operating the vibratory system during the first predetermined amount of time by inducing the vibration force at amplitudes by the vibratory system, wherein the amplitudes of the vibration force are selected from among the first set of selectable amplitudes, and after the first predetermined amount of time, changing the setting to a second set of selectable amplitudes of the vibration force that is different from the first set of selectable amplitudes.

Abstract: A system for controlling an autonomous construction vehicle includes a controller configured to identify a boundary of a construction site, identify a slope within the boundary of the construction site, determine if the slope exceeds a predetermined threshold value, and create a path plan for an autonomous construction vehicle based on whether the first slope exceeds the threshold value to align the movement of the autonomous construction vehicle with the slope.

Abstract: An autonomous machine control system is disclosed. The autonomous machine control system may include a controller configured to: cause an initiation of an autonomous mode of a machine, the autonomous mode providing automatic control of a propulsion operation, a steering operation, and a work operation of the machine; determine that automatic control of the work operation is to be disabled in the autonomous mode of the machine; and cause automatic control of the work operation to be disabled in the autonomous mode of the machine, while automatic control of the propulsion operation and the steering operation is enabled in the autonomous mode of the machine.

Abstract: A vibratory system for a compactor machine, the vibratory system optionally including a key shaft, an input shaft, a first output shaft and a second output shaft. The key shaft can have a first internal helically splined portion and a second internal helically splined portion. The first internal helically splined portion can be oppositely splined with respect to the second internal helically splined portion and arranged axially of the second internal helically splined portion. The input shaft can be configured with an external helically splined portion configured to be complimentary to the first internal helically splined portion of the key shaft. The first output shaft can be configured couple to the input shaft for rotation therewith. The second output shaft can have an external helically splined portion configured to be complimentary to the second internal helically splined portion of the key shaft.

Abstract: A method and system of verifying asphalt mat temperature values and location data generated by a paving machine includes identifying a location and temperature value of a threshold thermal characteristic of thermal data generated by the paving machine, and displaying the paver-generated location and temperature value of the threshold thermal characteristic on a display of the paving machine. The method further includes determining a location and temperature value of the threshold thermal characteristic by one or more external systems, and comparing the externally-determined location and temperature value to the paver-generated location and temperature value.

Abstract: A ground material density measurement system is disclosed. The ground material density measurement system may receive a moisture measurement associated with an amount of moisture on a ground surface of a section of ground material. The ground material density measurement system may determine a GPR measurement associated with the section of ground material. The ground material density measurement system may process the GPR measurement based on the moisture measurement to account for the amount of moisture. The ground material density measurement system may provide density information associated with the section of ground material based on the processed GPR measurement.

Abstract: A vibratory system for a compactor machine, the vibratory system optionally including a key shaft, an input shaft, a first output shaft and a second output shaft. The key shaft can have a first internal helically splined portion and a second internal helically splined portion. The first internal helically splined portion can be oppositely splined with respect to the second internal helically splined portion and arranged axially of the second internal helically splined portion. The input shaft can be configured with an external helically splined portion configured to be complimentary to the first internal helically splined portion of the key shaft. The first output shaft can be configured couple to the input shaft for rotation therewith. The second output shaft can have an external helically splined portion configured to be complimentary to the second internal helically splined portion of the key shaft.

Abstract: A system for distributing a material over a surface includes a sensor configured to transmit a sonic signal from a position on the system to a surface of a quantity of the material. The system also includes a device to project an image onto the surface of the quantity of the material. The device is adjustable in relation to the sensor to cause the image to have a specified shape when the sonic signal impacts the surface of the quantity of the material at a specified angle, and a different shape when the sonic signal impacts the surface of the quantity of the material at different angle.

Abstract: A system and a method for controlling tire air pressure of a compactor having a plurality of tires. A weight distribution of the compactor is determined according to a per-tire basis. Target air pressures for each of the tires are determined in order to achieve a consistent compaction surface contact pressure across all of the tires or a set of the tires. Air pressure of the tires is controlled to achieve the target air pressures to make the compaction surface contact pressure consistent across all of the tires or the set of the tires.

Abstract: A system and a method for controlling tire air pressure of a compactor having a plurality of tires. A weight distribution of the compactor is determined according to a per-tire basis. Target air pressures for each of the tires are determined in order to achieve a consistent compaction surface contact pressure across all of the tires or a set of the tires. Air pressure of the tires is controlled to achieve the target air pressures to make the compaction surface contact pressure consistent across all of the tires or the set of the tires.

Abstract: A compactor can optionally include a steering system configured to direct the movement of the compactor, a temperature sensor configured to generate data indicative of a temperature of a material that forms a surface of the compacting area, and a controller coupled to the machine and communicatively coupled to the temperature sensor. The controller can be configured to: receive data indicative of the temperature of the material from the temperature sensor, determine if the temperature exceeds a first threshold temperature, and if the temperature of the compactor exceeds the first threshold temperature, control the steering system to limit a turning angle to a predetermined value such that a turning radius of the compactor is increased.

Abstract: According to one example, a control system is disclosed. The system can include a steering system configured to direct a movement of a compactor within a compacting area. The system can include one or more sensors configured to generate data indicative of operational criteria of the compactor, the one or more sensors including a speed sensor configured to measure a speed of the compactor over a surface within the compacting area and a controller communicatively coupled to the one or more sensors. The controller can be configured to: receive data indicative of the speed of the compactor from the speed sensor, determine if the speed of the compactor exceeds a first threshold speed, and if the speed of the compactor exceeds the first threshold speed, control the steering system to limit a turning angle to a predetermined value such that a turning radius of the compactor is increased.

Abstract: A system for distributing a material over a surface includes a sensor configured to transmit a sonic signal from a position on the system to a surface of a quantity of the material. The system also includes a device to project an image onto the surface of the quantity of the material. The device is adjustable in relation to the sensor to cause the image to have a specified shape when the sonic signal impacts the surface of the quantity of the material at a specified angle, and a different shape when the sonic signal impacts the surface of the quantity of the material at different angle.

Abstract: A machine that can comprise a steering system configured to direct movement of the machine and a control system operably coupled for communication with the steering system. The control system can comprise a grade sensor, and a controller configured to determine a slope from an uphill side of the machine to a downhill side of the machine based on sensed data from the grade sensor. The controller can be further configured to control the steering system to limit a turn radius of the machine toward the uphill side of the frame based on the determined slope.

Abstract: According to one example, a control system is disclosed. The system can include a steering system configured to direct a movement of a compactor within a compacting area. The system can include one or more sensors configured to generate data indicative of operational criteria of the compactor, the one or more sensors including a speed sensor configured to measure a speed of the compactor over a surface within the compacting area and a controller communicatively coupled to the one or more sensors. The controller can be configured to: receive data indicative of the speed of the compactor from the speed sensor, determine if the speed of the compactor exceeds a first threshold speed, and if the speed of the compactor exceeds the first threshold speed, control the steering system to limit a turning angle to a predetermined value such that a turning radius of the compactor is increased.

Abstract: A compactor can optionally include a steering system configured to direct the movement of the compactor, a temperature sensor configured to generate data indicative of a temperature of a material that forms a surface of the compacting area, and a controller coupled to the machine and communicatively coupled to the temperature sensor. The controller can be configured to: receive data indicative of the temperature of the material from the temperature sensor, determine if the temperature exceeds a first threshold temperature, and if the temperature of the compactor exceeds the first threshold temperature, control the steering system to limit a turning angle to a predetermined value such that a turning radius of the compactor is increased.

Abstract: A method for defining a work area for an autonomous industrial vehicle comprises positioning an optical surveying device, such as a headset or UAV incorporating a LIDAR system, within a work area, viewing work area landmarks within the work area via the optical surveying device, establishing virtual work area markers about the work area using the optical surveying device, and establishing work area boundaries from the work area markers within an image of the optical surveying device. Viewing work area landmarks can comprise scanning topographical features of the work area with an unmanned aerial vehicle to generate a three-dimensional terrain map of the work area from the topographical features.

Abstract: A system for controlling an autonomous construction vehicle may include a controller configured to identify a boundary of a construction site, identify a slope within the boundary of the construction site, determine if the slope exceeds a predetermined threshold value, and create a path plan for an autonomous construction vehicle based on whether the first slope exceeds the threshold value to align the movement of the autonomous construction vehicle with the slope.