An example work machine control system may include cost factor logic to obtain a cost factor for a resource, cost variable logic to obtain a consumption signal from a consumption sensor indicative of consumption of the resource, fill measurement logic configured to receive a fill signal from a fill sensor, the fill signal indicative of a fill state of a container of an earth-moving work machine, fill target logic to determine a target fill level for the container based on the cost factor, the consumption signal and the fill signal and control logic to generate a machine control signal based on the target fill level.

A work machine comprising a frame and a ground-engaging mechanism, the ground-engaging mechanism configured to support the frame on a surface, a boom assembly coupled to the frame, the boom assembly having a pair of boom arms pivotally coupled to the frame and moveable relative to the frame by a pair of boom hydraulic cylinders, an attachment coupler coupled to a distal section of the boom arms, and an attachment. The attachment comprises a work tool. The work tool is coupled to the C-frame. A pair of first C-frame sections are pivotally coupled to the frame of the work machine, and a second C-frame section is pivotally coupled to the attachment coupler, wherein actuating the pair of boom hydraulic cylinders engages the boom arms, pitching the attachment upwards or downwards.

A work vehicle includes a work implement. A control system for the work vehicle includes a controller. The controller obtains actual topography data indicative of an actual topography of a work site. The controller determines a target depth. The controller obtains positions of a plurality of division points positioned on the actual topography based on the actual topography data. The controller determines a plurality of reference points by displacing the plurality of division points in a vertical direction by the target depth. The controller determines a target design topography based on the plurality of reference points. The controller generates a command signal to operate the work implement in accordance with the target design topography.

A work machine extending in a fore-aft direction comprising a frame and a ground-engaging mechanism, the ground-engaging mechanism configured to support the frame on a ground surface; a boom assembly coupled to the frame, the boom assembly having a pair of boom arms pivotally coupled to the frame; and an attachment coupled to a fore-section of the boom arms. The attachment may comprise a guide rigidly coupled to a fore-section of the frame; a movable member coupled to the guide, the movable member moveable relative to the frame by a pair of hydraulic cylinders, the guide restricting movement of the movable member in a non-vertical direction; and a work tool coupled to the movable member wherein actuating the pair of hydraulic cylinders engages the movable member, vertically lifting or lowering the work tool relative to the frame.

A work vehicle comprising a frame supported by a ground engaging device. A boom assembly is coupled to the frame. A boom cylinder is coupled to the frame and the boom assembly. An attachment coupler is coupled to a distal portion of the boom assembly. At least one tilt cylinder is coupled to the boom assembly and the attachment coupler. An attachment is coupled to the attachment coupler. The attachment comprises an attachment frame coupled to the attachment coupler. The attachment frame has a lower portion and an upper portion. A joint is coupled to the lower portion of the attachment frame and a blade. The joint has an upper surface and a lower surface positioned a distance from the surface. An angle cylinder is coupled to the lower portion of the attachment frame and a dozer blade. A portion of the angle cylinder is positioned below the upper surface.

A work vehicle comprising a frame supported by a ground engaging device. A boom assembly is coupled to the frame. A boom cylinder is coupled to the frame and the boom assembly. An attachment coupler is coupled to a distal portion of the boom assembly. At least one tilt cylinder is coupled to the boom assembly and the attachment coupler. An attachment is coupled to the attachment coupler. The attachment comprises an attachment frame coupled to the attachment coupler. The attachment frame has a lower portion and an upper portion. A joint is coupled to the lower portion of the attachment frame and a blade. The joint has an upper surface and a lower surface positioned a distance from the surface. An angle cylinder is coupled to the lower portion of the attachment frame and a blade. A portion of the angle cylinder is positioned below the upper surface.

Provided is a construction machine equipped with a dozer and capable of holding the dozer in an upper position. The construction machine includes a dozer cylinder that brings the dozer into rotational movement, a first cylinder pin, a first connection member joined with an end of the first cylinder pin and defining a first through-hole, a second cylinder pin, a second connection member joined with an end of the second cylinder pin and defining a second through-hole, and a fixing member to be detachably connected to the first and second connection members to interconnect them and thereby fix the dozer in the upper position.

A connection system for coupling an implement to a work vehicle includes a receiver assembly of the implement configured to couple the implement to a connector assembly of an arm of the work vehicle. The connection system also includes a frame of the implement including a first end having a mounting portion and a second end coupled to a mounting assembly of the implement. The mounting portion of the frame of the implement is configured to couple the implement directly to a frame of the work vehicle. Additionally, the receiver assembly is directly coupled to the frame of the implement between the first end of the frame of the implement and the second end of the frame of the implement.

A system includes calibrating a grade control system of a work vehicle having a controller operatively connected to a camera. A plurality of cylinders operative to move a blade on the vehicle. The blade includes one or more blade markers. One of the cylinders moves to a predetermined configuration that is between 0% and 100% of maximum stroke length, and the camera takes a corresponding image of the one or more blade markers. The controller measures a corresponding location of the one or more blade markers using the corresponding image and calibrates the grade control system based on the corresponding location of the one or more blade markers. The stored corresponding location can be an initial calibration location or a corresponding calibration location that was previously determined during operating conditions of the work vehicle. The grade control system is calibrated in real-time while the work vehicle is operating or stationary.

Methods and systems are described for estimating yaw of an implement relative to a machine. The yaw is estimated using gyro signals. The gyro signals may be provided by gyro sensors such as IMUs that are coupled to the implement and machine.