Abstract: A hydraulic system (400) for a construction machine, the system comprising a hydraulic pump (410), a hydraulic tank (420), one or more actuator control valves (430, 440) arranged to control respective actuators on the construction machine, and a control unit (300) arranged to configure respective valve positions of the actuator control valves and to control a hydraulic flow generated by the pump (410), wherein at least one of the actuator control valves (430, 440) is a pressure compensated flow control valve, and where, in a first mode of operation, the control unit (300) is arranged to control the hydraulic pump (410) to deliver a hydraulic flow at a pre-determined flow level at or below a total flow requirement of the actuators.

Abstract: A control device for controlling one or more actuators (110, 120, 130, 140) on a construction machine (100), the control device comprising a control input arrangement configured to receive a manual control command from an operator for controlling the one or more actuators, and to output a coordinate indicative of the manual control command as function of time, the control device further comprising a processing unit arranged to determine a first time derivative of the coordinate, and a transmitter arranged to transmit the coordinate and the first time derivative of the coordinate to an actuator control unit of the construction machine, thereby enabling compensation for time delay between the control device and the construction machine by the actuator control unit, wherein the time delay T to be compensated for is based on a pre-determined calibration setting.

Abstract: The present disclosure relates to a vehicular work machine (10) comprising a first electric motor arrangement (31) comprising one or more electric motors (21, 21?), and a second electric motor arrangement (32) comprising one or more electric motors (22, 22?) separate from said one or more electric motors (21, 21?) of the first electric motor arrangement (31). The vehicular work machine (10) further comprises a power connection (8) adapted to be connected to an external electric power source (17), an energy storage arrangement (23) and a hydraulic pump assembly (24) that is adapted to power hydraulic devices (5, 18, 19, 20) comprised in the vehicular work machine (10). At least one electric motor (21, 21?; 22, 22?) in each electric motor arrangement (31, 32) is adapted to propel the hydraulic pump assembly (24).

Abstract: The present disclosure relates to a vehicular work machine (10) that is adapted for handling at least two different interchangeable tools (4). The machine (10) also comprises a user control device (11) and a water supply arrangement (31) that is adapted to distribute water for retaining dust that is created when a tool (4) is used, The water supply arrangement (31) comprises a controllable valve (24) that is arranged to control the flow of the water that is distributed via at least one nozzle (29). The user control device (11) is arranged for selection of a desired tool, where at least one selectable tool is associated with a certain predefined water setting. Each water setting relates to a certain relative flow of distributed water during a certain time that is related to the time said tool (4) is chosen and performing a certain work procedure, and/or to the time said tool (4) is chosen and ready to perform a certain work procedure.

Abstract: Industrial vacuum cleaner configured for servicing at least one construction tool, said vacuum cleaner comprising a vacuum inlet, wherein said vacuum cleaner further comprises a controller and connected to said controller a wireless transceiver, a memory, and at least one location and/or orientation sensor configured for detection of vacuum cleaner location and/or localization of other objects in relation to the vacuum cleaner and wherein the vacuum cleaner further comprises means for propulsion controlled by said controller.

Abstract: A carrier comprising a hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry an accessory through the use of the hydraulic cylinder and wherein the controller is configured to: receive piston position information; determine a direction of movement of the piston; and if the piston position equals a stop distance from an end wall of the hydraulic cylinder in the direction of movement, abort the movement.

Abstract: A carrier comprising at least one hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinder and wherein the controller is configured to: receive control input for moving the tool; receive piston position information for at least one piston of the at least one cylinders; determine a current angle for the tool based on the piston position information; and determine that the current angle approximates a desired angle, and in response thereto halt the tool at the desired angle. According to an aspect the controller may be configured to detect and determine the position of a subject relative the carrier based on hydraulic pressure information and tool operational information. Further, the application concerns methods applied with the embodiments of said carrier.

Abstract: An apparatus (e.g., robotic vehicle, control device, headpiece, etc.) including processing circuitry (110) configured to receive robotic-vehicle-positioning-information indicative of robotic vehicle position data of a robotic vehicle (20) transiting a work area at one or more locations on the work area; receive operator-positioning-information indicative of operator position data of an operator controlling the robotic vehicle (20); generate a virtual line-of-sight vector (70) based on the operator-positioning-information; generate a virtual sight area (80) based on the virtual line-of-sight vector (70) and a predetermined sight area parameter; determine if the virtual sight area (80) intersects with the robotic-vehicle-positioning-information; and initiate one or more precautionary measures when the virtual sight area (80) does not intersect with the robotic-vehicle-positioning-information.

Abstract: A construction site status monitoring device is provided including processing circuitry configured to receive sensor data associated with a construction site from a scout device and generate a site map based on the sensor data for deployment of the construction device.

Abstract: Industrial vacuum cleaner configured for servicing at least one construction tool, said vacuum cleaner comprising a vacuum inlet, wherein said vacuum cleaner further comprises a controller and connected to said controller a wireless transceiver, a memory, and at least one location and/or orientation sensor configured for detection of vacuum cleaner location and/or localization of other objects in relation to the vacuum cleaner and wherein the vacuum cleaner further comprises means for propulsion controlled by said controller.

Abstract: A remote controlled demolition robot (10) comprising a controller (17) and at least one actuator (12) controlled through a hydraulic system (400) comprising at least one valve (13a) and a hydraulic gas accumulator (440), wherein the controller (17) is configured to determine a fluid flow in the hydraulic system (400), determine if the determined fluid flow in the hydraulic system is above a first threshold, and if so discharge the accumulator (440) to provide power to the actuator (12); and determine if the determined fluid flow in the hydraulic system is below a second threshold, and if so charge the accumulator (440) for buffering power in the hydraulic system (400).

Abstract: A carrier comprising at least one hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinder and wherein the controller is configured to: receive control input for moving the tool; receive piston position information for at least one piston of the at least one cylinders; determine a current angle for the tool based on the piston position information; and determine that the current angle approximates a desired angle, and in response thereto halt the tool at the desired angle. According to an aspect the controller may be configured to detect and determine the position of a subject relative the carrier based on hydraulic pressure information and tool operational information. Further, the application concerns methods applied with the embodiments of said carrier.

Abstract: Industrial vacuum cleaner configured for servicing at least one construction tool (2), said vacuum cleaner (1) comprising a vacuum inlet (3), wherein said vacuum cleaner (1) further comprises a controller (8) and connected to said controller (8) a wireless transceiver (10), a memory (12), and at least one location and/or orientation sensor (11) configured for detection of vacuum cleaner location and/or localization of other objects in relation to the vacuum cleaner (1) and wherein the vacuum cleaner (1) further comprises means for propulsion (13) controlled by said controller (8).

Abstract: A carrier comprising at least one hydraulic cylinder having a piston, a controller and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinder and wherein the controller is configured to: receive control input for moving the tool; receive piston position information for at least one piston of the at least one cylinders; determine a current angle for the tool based on the piston position information; and determine that the current angle approximates a desired angle, and in response thereto halt the tool at the desired angle. According to an aspect the controller may be configured to detect and determine the position of a subject relative the carrier based on hydraulic pressure information and tool operational information. Further, the application concerns methods applied with the embodiments of said carrier.

Abstract: A carrier comprising at least a first hydraulic cylinder and a second hydraulic cylinder both having each a piston and a piston position sensor, wherein the carrier is arranged to carry a tool through the use of the hydraulic cylinders and wherein the controller is configured to: receive control information to move the tool in a direction along a working line; receive position information for the first cylinder; receive position information for the second cylinder; determine if the working line for the tool is maintained, and, if the working line is not maintained, then adapt for the movement of the first cylinder by providing control of the second cylinder to maintain the working line for the tool and thereby feeding the tool along the working line.

Abstract: The present disclosure relates to a vehicular work machine (10) comprising a first electric motor arrangement (31) comprising one or more electric motors (21, 21?), and a second electric motor arrangement (32) comprising one or more electric motors (22, 22?) separate from said one or more electric motors (21, 21?) of the first electric motor arrangement (31). The vehicular work machine (10) further comprises a power connection (8) adapted to be connected to an external electric power source (17), an energy storage arrangement (23) and a hydraulic pump assembly (24) that is adapted to power hydraulic devices (5, 18, 19, 20) comprised in the vehicular work machine (10). At least one electric motor (21, 21?; 22, 22?) in each electric motor arrangement (31, 32) is adapted to propel the hydraulic pump assembly (24).

Abstract: An implement coupling device (1) on a working machine (2) comprises a coupling means (11) provided with a first shaft (21); an engagement means (12) provided with a second shaft (22) arranged parallel to the first shaft (21); at least one linkage (13, 14) comprising a first portion (23, 24) connected to the first shaft (21) and second portion (25, 26) connected to the second shaft (22), which first and second portions are connected by a pivot joint (27); and a wedge (28) means arranged to be removably mounted between the first and second portions (23, 24; 25, 26), wherein the coupling means (11) and the engagement means (12) are displaceable relative to each other in a direction at right angles to the first and second shafts (21, 22) to attach or release the implement.

Abstract: A remote controlled demolition robot (10) comprising a controller (17) and at least one control switch (24, 25, 26) for providing a control signal that is received by the controller (17), wherein the controller (17) is configured to control the operation of a corresponding robot part (10a, 11, 14, 15). The controller (17) is further configured to: receive a pressure sensor reading from a pressure sensor (13b) for a proportional hydraulic valve (13a), said pressure sensor reading indicating a standby pressure; provide the control signal to the valve (13a); and increase a signal level of the control signal provided to the valve (13a) until a change in the pressure is detected; determine a starting offset for the valve (13a), said starting offset corresponding to the current signal level of the control signal.

Abstract: The present disclosure relates to a vehicular work machine (10) that is adapted for handling at least two different interchangeable tools (4). The machine (10) also comprises a user control device (11) and a water supply arrangement (31) that is adapted to distribute water for retaining dust that is created when a tool (4) is used, The water supply arrangement (31) comprises a controllable valve (24) that is arranged to control the flow of the water that is distributed via at least one nozzle (29). The user control device (11) is arranged for selection of a desired tool, where at least one selectable tool is associated with a certain predefined water setting. Each water setting relates to a certain relative flow of distributed water during a certain time that is related to the time said tool (4) is chosen and performing a certain work procedure, and/or to the time said tool (4) is chosen and ready to perform a certain work procedure.

Abstract: A remote controlled demolition robot (10) comprising a controller (17) and at least one actuator (12) controlled through a hydraulic system (400) comprising at least one valve (13a) connected to a corresponding actuator for a tool (11b) and a pump (410). The controller (17) is configured to operate in a first mode wherein the fluid flow is controlled through the at least one valve (13a), wherein said valve (13a) is a proportional valve, receive a pressure indication indicating a pressure in the hydraulic system (400) and determine if the pressure in the hydraulic system (400) is above a first mode threshold and/or if a pressure change fulfills a first mode condition, and if so operate in a second mode wherein the at least one valve (13a) is in an opened state and the fluid flow is controlled through the pump (410).