E01C21/00

COMPACTING POWER TOOL

A compacting power tool comprising: a motor; a housing; at least one handle connected to the housing; a reciprocating drive mechanism coupled to the motor; and a compacting foot coupled to the reciprocating drive mechanism and configured to engage a surface to be compacted; a battery carrier coupled to a vibration compensation mechanism moveably mounted on a side of the housing.

SYSTEM AND METHOD FOR OPERATING A COMPACTOR
20220042253 · 2022-02-10 · ·

The disclosure is directed towards a system for compacting a work area. The system includes a compactor, a first compaction sensor positioned on a forward end of the compactor, a second compaction sensor positioned on a rearward end of the compactor, and a controller. The controller is configured to receive a first compaction data associated with the work area from the first compaction sensor. The controller is further configured to determine a first compaction effort based on the first compaction data and control the compactor to perform compaction with the determined first compaction effort. The controller is configured to receive a second compaction data associated with a compacted first portion from the second compaction sensor and determine a variance between the first and the second compaction data. Furthermore, the controller is configured to determine a correlation between the variance and the first compaction effort to determine a second compaction effort.

SYSTEM AND METHOD FOR OPERATING A COMPACTOR
20220042253 · 2022-02-10 · ·

The disclosure is directed towards a system for compacting a work area. The system includes a compactor, a first compaction sensor positioned on a forward end of the compactor, a second compaction sensor positioned on a rearward end of the compactor, and a controller. The controller is configured to receive a first compaction data associated with the work area from the first compaction sensor. The controller is further configured to determine a first compaction effort based on the first compaction data and control the compactor to perform compaction with the determined first compaction effort. The controller is configured to receive a second compaction data associated with a compacted first portion from the second compaction sensor and determine a variance between the first and the second compaction data. Furthermore, the controller is configured to determine a correlation between the variance and the first compaction effort to determine a second compaction effort.

Online machine learning for autonomous earth moving vehicle control

An autonomous earth moving system can determine a desired state for a portion of the EMV including at least one control surface. Then the EMV selects a set of control signals for moving the portion of the EMV from the current state to the desired state using a machine learning model trained to generate control signals for moving the portion of the EMV to the desired state based on the current state. After the EMV executes the selected set of control signals, the system measures an updated state of the portion of the EMV. In some cases, this updated state of the EMV is used to iteratively update the machine learning model using an online learning process.

Ground milling machine and method to operate a ground milling machine
11149389 · 2021-10-19 · ·

A ground milling machine, in particular a soil stabilizer or a recycler, comprising a machine frame carried by front and rear traveling devices, a drive engine arranged on the machine frame, a ground milling device with a milling rotor supported for rotation about a horizontal rotation axis extending transversely to the working direction of the ground milling machine, said milling rotor having a plurality of ground processing tools, and with a milling rotor housing having an interior space which is open in the downward direction towards the underlying ground and in which the milling rotor is arranged, said milling rotor being height-adjustable via a milling depth adjusting device having a drive, and said milling rotor housing being connected to the machine frame via a housing support device. The invention further relates to a method for operating a ground milling machine. According to an essential aspect of the invention, provision is made for a lifting movement of the front edge of the milling rotor housing relative to the machine frame depending on the milling depth.

Ground milling machine and method to operate a ground milling machine
11149389 · 2021-10-19 · ·

A ground milling machine, in particular a soil stabilizer or a recycler, comprising a machine frame carried by front and rear traveling devices, a drive engine arranged on the machine frame, a ground milling device with a milling rotor supported for rotation about a horizontal rotation axis extending transversely to the working direction of the ground milling machine, said milling rotor having a plurality of ground processing tools, and with a milling rotor housing having an interior space which is open in the downward direction towards the underlying ground and in which the milling rotor is arranged, said milling rotor being height-adjustable via a milling depth adjusting device having a drive, and said milling rotor housing being connected to the machine frame via a housing support device. The invention further relates to a method for operating a ground milling machine. According to an essential aspect of the invention, provision is made for a lifting movement of the front edge of the milling rotor housing relative to the machine frame depending on the milling depth.

PERCEPTION SYSTEM THREE LIDAR COVERAGE

An autonomous articulated soil compactor machine can include: a machine frame; at least one cylindrical roller drum rotatably coupled to the machine frame and rotatable about a drum axis oriented generally transverse to a direction of travel of the compactor machine; a first lidar sensor on a front of the machine; a second lidar sensor on a first side of the machine; and a third lidar sensor on a second side of the machine; wherein the first, second and the third lidar sensors are positioned such that 360 degree lidar coverage is provided around the articulated compactor machine.

PERCEPTION SYSTEM THREE LIDAR COVERAGE

An autonomous articulated soil compactor machine can include: a machine frame; at least one cylindrical roller drum rotatably coupled to the machine frame and rotatable about a drum axis oriented generally transverse to a direction of travel of the compactor machine; a first lidar sensor on a front of the machine; a second lidar sensor on a first side of the machine; and a third lidar sensor on a second side of the machine; wherein the first, second and the third lidar sensors are positioned such that 360 degree lidar coverage is provided around the articulated compactor machine.

ULTRASONIC SENSORS FOR WORK MACHINE OBSTACLE DETECTION

A work machine includes a frame, a sensor assembly, and an ultrasonic sensor. The frame includes a first portion and a second portion that includes a front bumper and is configured to pivot with respect to the first portion for steering the work machine. The sensor assembly is positioned on the first portion or the second portion of the frame and is configured to sense data for detection of obstacles within a first area around the work machine. The ultrasonic sensor is positioned on the front bumper of the second portion and is configured to sense data for detection of obstacles within a second area around the work machine, the second area outside the first area when the second portion is in an articulated position with respect to the first portion.

ULTRASONIC SENSORS FOR WORK MACHINE OBSTACLE DETECTION

A work machine includes a frame, a sensor assembly, and an ultrasonic sensor. The frame includes a first portion and a second portion that includes a front bumper and is configured to pivot with respect to the first portion for steering the work machine. The sensor assembly is positioned on the first portion or the second portion of the frame and is configured to sense data for detection of obstacles within a first area around the work machine. The ultrasonic sensor is positioned on the front bumper of the second portion and is configured to sense data for detection of obstacles within a second area around the work machine, the second area outside the first area when the second portion is in an articulated position with respect to the first portion.