A stabilizer leg arrangement with a stabilizer leg (25), which is extensible by a hydraulic cylinder (27) into a supporting position in contact with the ground. A piston (32) divides the internal space of the hydraulic cylinder into first and second chambers (34, 35), wherein these chambers are configured to come into fluid communication with each other through a flow channel (41) in the hydraulic cylinder when the piston reaches an advanced end position and abuts against a stop surface. An electronic control device (72) is configured to establish information as to whether or not the stabilizer leg is in the supporting position while taking into account a measuring value (V1) related to the hydraulic pressure in the first chamber (34). The invention also relates to a corresponding method and a mobile working machine comprising such a stabilizer leg arrangement.

A support foot (100) comprising: a first body (105), a second body (110) slidingly coupled to the first body (105) along a predetermined sliding direction (A), an actuator device (150) adapted to actuate the second body (110) to slide with respect to the first body (105) along said sliding direction (A) between a retracted position and an advanced position, a third body (115) hinged to the first body (105) according to a hinging axis (B) orthogonal to the sliding direction (A) of the second body (110), and an actuation apparatus adapted to actuate the first body (105) to rotate with respect to the third body (115) around said hinging axis (B) between an active configuration and an inactive configuration, wherein said actuation apparatus comprises a mechanism adapted to transform a sliding of the second body (110) from the advanced position towards the retracted position into a corresponding rotation of the first body (105) from the active configuration to the inactive configuration.

A support foot (100) comprising: a first body (105), a second body (110) slidingly coupled to the first body (105) along a predetermined sliding direction (A), an actuator device (150) adapted to actuate the second body (110) to slide with respect to the first body (105) along said sliding direction (A) between a retracted position and an advanced position, a third body (115) hinged to the first body (105) according to a hinging axis (B) orthogonal to the sliding direction (A) of the second body (110), and an actuation apparatus adapted to actuate the first body (105) to rotate with respect to the third body (115) around said hinging axis (B) between an active configuration and an inactive configuration, wherein said actuation apparatus comprises a mechanism adapted to transform a sliding of the second body (110) from the advanced position towards the retracted position into a corresponding rotation of the first body (105) from the active configuration to the inactive configuration.

A trailer assembly includes first and second axles supporting first and second wheels which are coupled to first and second actuators of a steering system. The steering system includes a control circuit connected to the actuators and the control circuit includes a driving device configurable in a low speed maneuvering mode with: a synchronized sub-mode in which the actuators can be actuated in a synchronized manner to steer the wheels in a synchronized manner, and a desynchronized sub-mode in which the first and second actuators can be actuated individually and independently to steer only the first wheels or only the second wheels. A control device is connected to the driving device to: select one of the sub-modes in the low speed maneuvering mode, and select an actuation either of the first actuator or of the second actuator, in the desynchronized sub-mode.

A trailer assembly includes first and second axles supporting first and second wheels which are coupled to first and second actuators of a steering system. The steering system includes a control circuit connected to the actuators and the control circuit includes a driving device configurable in a low speed maneuvering mode with: a synchronized sub-mode in which the actuators can be actuated in a synchronized manner to steer the wheels in a synchronized manner, and a desynchronized sub-mode in which the first and second actuators can be actuated individually and independently to steer only the first wheels or only the second wheels. A control device is connected to the driving device to: select one of the sub-modes in the low speed maneuvering mode, and select an actuation either of the first actuator or of the second actuator, in the desynchronized sub-mode.

A system for optimizing a machine learning model. a machine learning model that generates predictions based on at least one input feature vector, each input feature vector having one or more vector values; and an optimization module with a processor and an associated memory, the optimization module being configured to: create at least one slice of the predictions based on at least one vector value, determine at least one optimization metric of the slice that is based on at least a total number of predictions for the vector value, and optimize the machine learning model based on the optimization metric.

A drilling platform for amphibious operations includes: a base, wherein drive tracks are arranged on both sides of the base, a propeller is disposed at a rear end of the base, and a driving assembly is disposed inside the base; two support cylinders are respectively disposed at two ends of the base; each of the support cylinders contains a sub-cylinder; a pushing cylinder is arranged on a bottom surface of the partition plate; a buoyancy adjustment assembly is provided at a bottom of the base, so as to provide buoyancy support for the base when the base is transferred from land to water. The present invention is suitable for drilling construction of pile foundations of water and land buildings, bridge piers, and transmission line electric tower pile foundations, as well as drilling of oil wells, wherein the drilling platform construction process at different drilling points is omitted.

A drilling platform for amphibious operations includes: a base, wherein drive tracks are arranged on both sides of the base, a propeller is disposed at a rear end of the base, and a driving assembly is disposed inside the base; two support cylinders are respectively disposed at two ends of the base; each of the support cylinders contains a sub-cylinder; a pushing cylinder is arranged on a bottom surface of the partition plate; a buoyancy adjustment assembly is provided at a bottom of the base, so as to provide buoyancy support for the base when the base is transferred from land to water. The present invention is suitable for drilling construction of pile foundations of water and land buildings, bridge piers, and transmission line electric tower pile foundations, as well as drilling of oil wells, wherein the drilling platform construction process at different drilling points is omitted.

The invention relates to a support assembly for supporting a vehicle including an articulated interconnecting assembly pivotable connectable to a lower part of the working machine; a telescopic arrangement connected to said articulated interconnecting assembly and including a guiding frame and a telescopic extension member displaceable arranged relative the guiding frame; a foot connected to said telescopic extension member; an articulated linkage arrangement having a linkage arm connectable at one end to a linear actuator for effecting a movement of said articulated interconnecting arrangement and at a second end pivotable connected to one end of a connecting rod, said connecting rod being pivotable connected to the telescopic extension member at a second end, wherein said telescopic extension member includes a channel for accommodating a portion of the connecting rod.

The invention relates to a support assembly for supporting a vehicle including an articulated interconnecting assembly pivotable connectable to a lower part of the working machine; a telescopic arrangement connected to said articulated interconnecting assembly and including a guiding frame and a telescopic extension member displaceable arranged relative the guiding frame; a foot connected to said telescopic extension member; an articulated linkage arrangement having a linkage arm connectable at one end to a linear actuator for effecting a movement of said articulated interconnecting arrangement and at a second end pivotable connected to one end of a connecting rod, said connecting rod being pivotable connected to the telescopic extension member at a second end, wherein said telescopic extension member includes a channel for accommodating a portion of the connecting rod.