A surface compactor machine includes a cylindrical drum defining a cylindrical space in an interior portion of the cylindrical drum and having a central axis of rotation, and a counterweight in the cylindrical space. The compactor further includes a non-driven support wheel affixed to the counterweight and in contact with an underlying portion of an interior surface of the cylindrical drum beneath the counterweight. A drive motor is provided in the cylindrical space, and a drive wheel is mechanically rotatable by the drive motor. The drive wheel contacts an inner surface of the cylindrical drum such that rotation of the drive wheel by the drive motor urges the cylindrical drum to rotate about the central axis of rotation.

A compactor roller for a soil compactor comprises a roller shell (24), rotatable about a roller axis of rotation (W) and surrounding a roller interior (23), an oscillation/vibration assembly (28) arranged in the roller interior (23), wherein the oscillation/vibration assembly (28) comprises a first oscillation/vibration unit (30) with at least one drivable first unbalanced mass (50, 50′) for rotation about a first oscillation/vibration axis of rotation (D.sub.1), and a second oscillation/vibration unit (32) with at least one drivable second unbalanced mass (52, 52′) for rotation about a second oscillation/vibration axis of rotation (D.sub.2.) A center of mass of a second unbalanced mass part of the at least one first unbalanced mass (50, 50′) and/or a center of mass of a second unbalanced mass part of the at least one second unbalanced mass (52, 52′) moves, during the movement of the respective second unbalanced mass part (62, 86) between two end positions about the assigned oscillation/vibration axis of rotation (D.sub.1, D.sub.2) in an angle of less than 180°.

A compaction device for compacting a soil region includes at least one vibration unit and/or oscillation unit able to be driven by an electric drive motor. A soil contacting unit comprises at least one soil contacting element in contact with the soil region. The soil contacting unit comprises at least the electric drive motor and the vibration unit and/or the oscillation unit. At least one power supply unit supplies the electric drive motor with electric drive power. At least one electric plug device for releasably and electrically connecting the electric drive motor is provided between the electric drive motor and the power supply unit. At least one fixing device for releasably and mechanically fixing to the power supply unit is provided between the soil contacting element of the soil contacting unit and the power supply unit.

An electronic control unit for a compactor obtains a planned operating profile of the compactor, generates a predicted power expenditure schedule for the compactor based on the planned operating profile, determines, based on the predicted power expenditure schedule, that a predicted energy expenditure of the compactor exceeds an available energy of the compactor, generates a modified operating profile in response to determining that the predicted energy expenditure of the compactor exceeds the available energy of the compactor, and operates the compactor according to the modified operating profile.

A system and method of organizing, managing, and controlling one or more construction vehicles (automated and/or semiautomated) to perform one or more construction tasks within a construction site is provided. The system includes a software platform programmed to control the one or more unmanned construction vehicles via a transmitter and a navigation system. The locations, routes, and general functionalities of the construction vehicles are automatically controlled.

A construction-vehicle autonomous travel control device to correct a steering angle so as to direct to a target point set on a target track includes: an expected arrival point calculator to calculate an expected arrival point of a vehicle to arrive after a predetermined time based on a vehicle speed and a steering angle; and a corrected steering angle calculator to calculate a corrected steering angle so as to direct the expected arrival point to the target point.

A work vehicle including a tank (31,131) formed so as to extend from a rear part of a vehicle body toward a center, wherein the tank includes: a first storage tank (32) located on the rear side of the vehicle body, and stores stored fluid (9); a second storage tank (34) located on a side close to the center in the front-rear direction of the vehicle body, and stores the fluid; a partition part (36) that separates the first storage tank and the second storage tank; a discharge member (49) that has a discharge opening (49a) extending and opened inside the second storage tank, and discharges, from the second storage tank, the fluid stored in the second storage tank; and a hollow tube member (60) that has a first end communicated with the first storage tank through the partition part so as to enable the stored fluid to flow, and a second end having a hollow tube opening (62) extending and opened toward the center of the vehicle body inside the second storage tank, wherein the hollow tube opening of the hollow tube member is located on the central side of the vehicle body with respect to the discharge opening of the discharge member.

A method for compacting asphalt material (A) by means of at least one soil compactor (10) having at least one compactor roller with a motion generation arrangement assigned to the same, comprising the measures: a) detection of an asphalt temperature of the asphalt material (A) to be compacted, b) static compaction of the asphalt material (A) with a deactivated motion generation arrangement of the at least one compactor roller, if the asphalt temperature lies above an upper threshold temperature (O), c) static compaction of the asphalt material (A) with a deactivated motion generation arrangement of the at least one compactor roller, if the asphalt temperature lies below a lower threshold temperature (U),
wherein the upper threshold temperature (O) and/or the lower threshold temperature (U) is/are set depending on at least one surroundings parameter (T) influencing the cooling behavior of the asphalt material to be compacted.

In some implementations, a monitoring system may include a steering system of a machine, a sensor configured to detect movements of the steering system that are indicative of a steering angle of the machine, and a controller. The controller may be configured to monitor, via the sensor, the steering angle of the machine. The controller may be configured to determine, based on monitoring the steering angle, that the steering angle satisfies a threshold that is indicative of the steering angle being excessive for an operation of the machine. The controller may be configured to cause, based on the steering angle satisfying the threshold, the machine to provide an indication that the steering angle is excessive.

An oscillation module for a compacting roller of a soil compactor includes a plate-like carrier, at least two oscillation mass units supported on the carrier at a distance from one another, and an oscillation drive motor supported on the carrier. The carrier has a connection formation for firmly connecting the carrier to a carrier structure of a compacting roller. Each oscillation mass unit includes an imbalance mass rotatably supported on the carrier about an oscillation axis of rotation. Each imbalance mass of each oscillation mass unit can be driven by the oscillation drive motor for rotation about the respectively assigned oscillation axis of rotation.