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).

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: 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 demolition robot control device is provided including processing circuitry configured to receive control data indicative of a selected transportation mode of a plurality of transportation modes and cause an adjustment of a demolition robot configuration based on the control data. The plurality of transportation modes includes a work mode, a transport mode, and an inclined surface mode. A demolition robot control system is also disclosed.

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 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 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).

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 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 invention relates to an implement coupling device (1) on a working machine (2), which device 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 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: The invention relates to an arrangement for a wheel for a wheelchair comprising a planetary gear integrated with the aforementioned wheelchair wheel. A sun wheel, planet wheel and ring wheel incorporated in the gear are accommodated in a hub comprising a hub inner part and a hub outer part, which parts are rotatably supported relative to one another, are carried by a main shaft capable of attachment to the wheelchair. The aforementioned hub parts are supported by means of bearing devices acting around the periphery of the hub, which devices are so arranged on the one hand as to support the hub parts radially relative to one another, and are so arranged on the other hand as to provide axial locking of the hub parts relative to one another. In accordance with the invention, the bearing device is formed from a number of grooves extending around the periphery of said hub parts inside which grooves rolling devices or a plain bearing component are so arranged as to act.