Abstract: A milling machine may include a frame supported by a traction device, a milling drum for milling a surface and supported on the frame, and a conveyor for receiving milled material from the milling drum and conveying the milled material upward to a release point. The milling machine may include a sensor configured for monitoring loading of a truck by the milling machine and a controller in communication with the sensor to coordinate with the sensor and recognize when the truck is full.

Abstract: An apparatus of a work machine can include a sensor to provide information regarding a surface worked by a work machine. The apparatus can also include processing circuitry coupled to the sensor. The processing circuitry can generate a cut depth curve that represents cut depth subsequent to performing work on the surface, based on measurements provided by the set of sensors. The processing circuitry can perform an integration operation based on the cut depth curve to generate a measure of area worked by the work machine. The processing circuitry can determine at least one physical operational parameter of the work machine based on the measure of area worked by the work machine. Other systems and methods are described.

Abstract: A system may include a first transportation device of a milling machine, a controller, and an inclination control system. The controller can control a construction machine including the first transportation device, which can move the construction machine over an operating surface. The inclination control system includes a first sensor coupled to the first transportation device to sense an orientation of the first transportation device relative to the frame of the milling machine. The controller controls the milling machine based on inclination information received from the inclination control system.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have height adjustable actuators connecting the frame to the tracks. Each actuator may have a cylinder attached to the frame, a piston slidably disposed within the cylinder, and a rod connected at a first end to the piston and connected to a track at a second end. The milling machine may have a tank storing hydraulic fluid and a fluid conduit connecting the tank to the cylinder. The milling machine may have a control valve selectively controlling a flow rate of the hydraulic fluid in the fluid conduit. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow rate.

Abstract: A machine for road work can comprise a frame, a plurality of ground engaging units, a plurality of vertically moveable legs, each leg connecting one of the plurality of ground engaging units to the frame, a pair of spatial sensors, such as global navigation satellite system (GNSS) sensors, and a controller configured to, in response to a three-dimensional signal received from each of the spatial sensors, activate at least some of the plurality of vertically moveable legs.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have a tank that stores hydraulic fluid. The milling machine may also have at least one actuator connecting the frame to the tracks. The actuator may adjust a height of the frame relative to a ground surface. A fluid conduit may connect the tank to the actuator. The milling machine may have a flow sensor in the fluid conduit. The flow sensor may determine a flow parameter associated with a flow of the hydraulic fluid into or out of the actuator. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow parameter.

Abstract: An electrically powered paving machine includes a hopper; a screed assembly; a conveying system; one or more batteries configured to power the electrically powered paving machine; a plurality of thermoelectric generators electrically connected to the one or more batteries; a potential thermal energy conversion device electrically connected to the one or more batteries; and processing circuitry. Additionally, the electrically powered paving machine controls charging the one or more batteries using electrical energy generated by one or more of the plurality of thermoelectric generators and the potential thermal energy conversion device.

Abstract: A machine that includes a cooling package and a method for cleaning debris from the cooling package is disclosed. The cooling package may include a housing, a cooler, a heat exchanger, a conduit, and plurality of nozzles mounted on the conduit. The cooler may be configured to receive heated machine fluid generated by the machine. The heat exchanger may be configured to convey heat away from the cooler and may include a plurality of fins coupled to and extending outward from the cooler. The plurality of fins may define a plurality of channels. The conduit may be disposed between the housing and the plurality of fins. The plurality of nozzles are configured to discharge a fluid on the fins. The fluid may be air or a release agent. In some embodiments, a release agent may be discharged on the fins prior to the discharge of air on the fins.

Abstract: A milling machine may include a frame supported by a traction device, a milling drum for milling a surface and supported on the frame, and a conveyor for receiving milled material from the milling drum and conveying the milled material upward to a release point. The milling machine may include a truck sensor configured for monitoring loading of a truck by the milling machine and a controller in communication with the truck sensor to coordinate with the truck sensor and recognize when the truck is full.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have at least one actuator connecting the frame to at least one of the ground engaging tracks. The actuator may adjust a height of the frame relative to at least one of the tracks. The milling machine may also have a non-contact leg-height sensor attached to the frame. The sensor may generate a signal indicative of a height of the frame relative to at least one of the tracks. The milling machine may also have a controller configured to determine the height based on the signal.

Abstract: A system may include a first transportation device, a controller, and an inclination control system. The controller can control a construction machine including the first transportation device, which can move the construction machine over an operating surface. The inclination control system includes first and second slope sensors. The first slope sensor is coupled to the first transportation device and the second slope sensor is coupled to the construction machine. The controller controls the construction machine based on inclination information received from the inclination control system.

Abstract: A system may include a first transportation device of a milling machine, a controller, and an inclination control system. The controller can control a construction machine including the first transportation device, which can move the construction machine over an operating surface. The inclination control system includes a first sensor coupled to the first transportation device to sense an orientation of the first transportation device relative to the frame of the milling machine. The controller controls the milling machine based on inclination information received from the inclination control system.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have height adjustable actuators connecting the frame to the tracks. Each actuator may have a cylinder attached to the frame, a piston slidably disposed within the cylinder, and a rod connected at a first end to the piston and connected to a track at a second end. The milling machine may have a tank storing hydraulic fluid and a fluid conduit connecting the tank to the cylinder. The milling machine may have a control valve selectively controlling a flow rate of the hydraulic fluid in the fluid conduit. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow rate.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have at least one actuator connecting the frame to at least one of the ground engaging tracks. The actuator may adjust a height of the frame relative to at least one of the tracks. The milling machine may also have a non-contact leg-height sensor attached to the frame. The sensor may generate a signal indicative of a height of the frame relative to at least one of the tracks. The milling machine may also have a controller configured to determine the height based on the signal.

Abstract: A milling machine may have a frame, a milling drum attached to the frame, and ground engaging tracks that support the frame and propel the milling machine in a forward or rearward direction. The milling machine may have a tank that stores hydraulic fluid. The milling machine may also have at least one actuator connecting the frame to the tracks. The actuator may adjust a height of the frame relative to a ground surface. A fluid conduit may connect the tank to the actuator. The milling machine may have a flow sensor in the fluid conduit. The flow sensor may determine a flow parameter associated with a flow of the hydraulic fluid into or out of the actuator. The milling machine may also have a controller that determines a height of the frame relative to the ground surface based on the flow parameter.

Abstract: A machine that includes a cooling package and a method for cleaning debris from the cooling package is disclosed. The cooling package may include a housing, a cooler, a heat exchanger, a conduit, and plurality of nozzles mounted on the conduit. The cooler may be configured to receive heated machine fluid generated by the machine. The heat exchanger may be configured to convey heat away from the cooler and may include a plurality of fins coupled to and extending outward from the cooler. The plurality of fins may define a plurality of channels. The conduit may be disposed between the housing and the plurality of fins. The plurality of nozzles are configured to discharge a fluid on the fins. The fluid may be air or a release agent. In some embodiments, a release agent may be discharged on the fins prior to the discharge of air on the fins.

Abstract: A milling machine is disclosed. The milling machine may have a frame, first and second tracks connected to a first end of the frame, a third track connected to a second end of the frame, and a milling drum attached to the frame. The milling machine may have first, second, and third actuators connecting the frame and the first, second, and third tracks, respectively. Each actuator may adjust a height of the frame relative to a respective one of the first, second, and third tracks. The milling machine may include a damper assembly attached to each of the first and second actuators. The damper assembly may have an accumulator connected to a respective one of the first and second actuators and a control valve for controlling a flow of fluid between the accumulator and the respective one of the first and second actuators.

Abstract: A machine for processing a road construction material includes two or more extendable support units, where each of the two or more extendable support units have a first segment coupled to the frame and a second segment configured to contact a surface to support the frame. The machine also includes an orientation sensor that is configured to measure an orientation of the frame. The machine further includes a distance sensor that configured to measure a distance from the frame to the surface. The machine additionally includes a controller configured to determine, based on the orientation and the distance, a position of at least one extendable support unit of the two or more extendable support units.

Abstract: A hydraulic circuit for a lifting system of a propulsion system for a construction machine having multiple independent propulsors can comprise a plurality of hydraulic cylinders each comprising a piston and a rod for coupling to a propulsor, a plurality of fluid lines coupling each of the plurality of hydraulic cylinders in series, wherein movement of one piston hydraulically causes movement of a subsequent piston in an opposite direction, and a plurality of flow control devices positioned within the plurality of fluid lines such that a flow control device is positioned between adjacent hydraulic cylinders, each flow control device comprising an intermediate body configured to smooth flow of hydraulic fluid between adjacent hydraulic cylinders without directly coupling one cylinder to another.

Abstract: A machine for road work can comprise a frame, a plurality of ground engaging units, a plurality of vertically moveable legs, each leg connecting one of the plurality of ground engaging units to the frame, a pair of spatial sensors, such as global navigation satellite system (GNSS) sensors, and a controller configured to, in response to a three-dimensional signal received from each of the spatial sensors, activate at least some of the plurality of vertically moveable legs.