Abstract: The disclosure discloses a penetrating cushion damping device comprising a penetrator, and belongs to the field of in-situ penetrating exploration of extraterrestrial celestial bodies. A magnetic conductor encloses the non-penetrating end of the penetrator, a drag plate connected to the penetrator is provided at the lower end face of the magnetic conductor, and a magnetic source structure for generating magnetic force on the magnetic conductor is provided in the non-penetrating end of the penetrator. The disclosure utilizes the penetrating cushion anti-drag mode with the drag plate and the electromagnetic structure, which is self-adaptive to the flight penetration speed and compact in structure, reduces the jump probability, and further reduces the cushion resistance after the speed is reduced.

Abstract: The present application discloses a power distribution and monitoring integrated access door, comprising: a first door box side cabinet for supplying power to a cabinet, first and second compartments for power distribution being provided in the first door box side cabinet; a door lintel fixedly connected to the first door box side cabinet; and a door system used for isolating cold and hot channels and mounted below the door lintel and disposed on one side of the first door box side cabinet. In the present disclosure, by using the access door of a closed channel as a carrier, power distribution, monitoring, illumination control, access control and fire control are integrated together. Therefore, the power distribution and monitoring integrated access door of the present disclosure has the functions of power distribution, monitoring, illumination control, access control, and fire control in addition to the isolation of the hot and cold channels.

Abstract: A brazing apparatus and method for brazing an anode target plate of an X-ray generator are disclosed. The brazing apparatus comprises: a vacuum part for providing, during brazing, a vacuum environment at least for a target plate main body formed of an alloy, a brazing material, and a substrate; an induction brazing part for applying an induction current to the target plate main body, the brazing material and the substrate in the vacuum part so as to achieve heating to a temperature higher than the melting point of the brazing material, causing the substrate to be welded to the target plate main body through melting of the brazing material and a resulting reaction; and a directional energy welding part for applying a generated directional energy beam to a position of lower temperature determined on the target plate main body to perform heating.

Abstract: Evaluating the performance of an X-ray tube by: recording arcing events that occurred during the use of the X-ray tube; classifying the arcing events by severity; generating, on the basis of the classified arcing events, a first growth pattern for occurrences of arcing events; and determining a level of bubbles in the X-ray tube by finding, on the basis of the first growth pattern, a matching second growth pattern associated with a known level of bubbles in the X-ray tube. An X-ray tube may be checked and replaced in a timely manner, without the need for an on-site inspection, by remotely predicting trends or patterns for growth of levels of bubbles in the X-ray tube.

Abstract: The present disclosure provides an external parameter calibration method for robot sensors as well as an apparatus, robot and storage medium with the same. The method includes: obtaining first sensor data and second sensor data obtained through a first sensor and a second sensor of the robot by collecting position information of a calibration reference object and converting to a same coordinate system to obtain corresponding first converted sensor data and second converted sensor data, thereby determining a first coordinate and a second coordinate of a reference point of the calibration reference object; using the first coordinate and the second coordinate are as a set of coordinate data; repeating the above-mentioned steps to obtain N sets of the coordinate data to calculate the external parameter between the first sensor and the second sensor in response to a relative positional relationship between the robot and the calibration reference object being changed.

Abstract: A brazing apparatus and method for brazing an anode target plate of an X-ray generator are disclosed. The brazing apparatus comprises: a vacuum part for providing, during brazing, a vacuum environment at least for a target plate main body formed of an alloy, a brazing material, and a substrate; an induction brazing part for applying an induction current to the target plate main body, the brazing material and the substrate in the vacuum part so as to achieve heating to a temperature higher than the melting point of the brazing material, causing the substrate to be welded to the target plate main body through melting of the brazing material and a resulting reaction; and a directional energy welding part for applying a generated directional energy beam to a position of lower temperature determined on the target plate main body to perform heating.

Abstract: The present disclosure provides an external parameter calibration method for robot sensors as well as an apparatus, robot and storage medium with the same. The method includes: obtaining first sensor data and second sensor data obtained through a first sensor and a second sensor of the robot by collecting position information of a calibration reference object and converting to a same coordinate system to obtain corresponding first converted sensor data and second converted sensor data, thereby determining a first coordinate and a second coordinate of a reference point of the calibration reference object; using the first coordinate and the second coordinate are as a set of coordinate data; repeating the above-mentioned steps to obtain N sets of the coordinate data to calculate the external parameter between the first sensor and the second sensor in response to a relative positional relationship between the robot and the calibration reference object being changed.

Abstract: The present disclosure provides a movement control method for a robot as well as an apparatus and a robot using the same. The method includes: obtaining a starting position and an ending position of the robot, in response to a movement instruction being detected; determining a movement path of the robot based on the starting position and the ending position; obtaining pass qualification information of the robot, if the movement path intersects a line corresponding to a preset virtual wall; and moving the robot to the ending position according to the movement path, if the pass qualification information identifying the robot is allowed to traverse the virtual wall. By obtaining the pass qualification information, the robot can return to the working area from the non-working area in the case of an abnormality, while ensuring that the robot does not actively traverse from the working area to the non-working area.

Abstract: The present invention discloses a skylight operating system of a modular data center, so as to timely respond to a firefighting requirement of the modular data center to reduce occurrence of firefighting-related accidents. The skylight operating system comprises: an electric skylight; a firefighting environment index monitoring device arranged inside the modular data center; a monitoring and interacting device arranged in a monitoring room outside the modular data center, and connected with the electric skylight and the firefighting environment index monitoring device, the monitoring and interacting device adapted for receiving monitoring information of the firefighting environment index monitoring device, and opening the electric skylight upon determination that a firefighting-related issue occurs inside the modular data center.

Abstract: The present disclosure provides a pose determining method for a mobile robot as well as an apparatus and a mobile robot thereof. The method includes: obtaining a first position of a mobile robot in each local map after building an initial local map corresponding to a current environment and rotating; determining first environmental contour points of each of the local maps and corresponding first gradient directions, and obtaining a relative position of each of the first environmental contour points and the corresponding first position; building an angle histogram in each of the local maps; determining a second position of second environmental contour points of a global map and corresponding second gradient directions; and predicting a third position in the global map of the mobile robot, counting an appearance amount of the third positions, and determining a target pose of the mobile robot in the global map.

Abstract: The present disclosure provides a robot distance measuring method and apparatus as well as a robot using the same. The method includes: obtaining a plurality of relative position parameters of a robot from a plurality of ranging sensors; determining an installation distance between each two of the ranging sensors based on the plurality of relative position parameters; determining a sum of the installation distance of each looping arrangement of the plurality of ranging sensors based on the installation distance between each two of the ranging sensors; and enabling the plurality of ranging sensors sequentially to perform obstacle ranging according to a preset looping rule. Since the adjacent ranging sensors are avoided to range simultaneously or sequentially, the interference of the adjacent ranging sensors can be minimized, the accuracy of measuring the distance of the surrounding obstacles can be improved, thereby improving the navigation performance of the robot.

Abstract: The present disclosure provides an obstacle avoidance method and system for a robot having ranging sensors as well as a robot using the same. The method includes: obtaining detection data collected by the plurality of ranging sensors; obtaining a current position of the robot based on the collected detection data; determining whether historical detection data corresponding to the current position has been stored; planning a movement path of the robot based on the collected detection data and the historical detection data and generating movement path information of the movement path, if the historical detection data corresponding to the current position has been stored; and controlling the robot to move along an obstacle-free path based on the movement path information. The present disclosure can effectively break through the limitation of the sensor technology, reduce the detection blind zone, and effectively improve the obstacle avoidance efficiency of a robot.

Abstract: The present disclosure provides a pose determining method for a mobile robot as well as an apparatus and a mobile robot thereof. The method includes: obtaining a first position of a mobile robot in each local map after building an initial local map corresponding to a current environment and rotating; determining first environmental contour points of each of the local maps and corresponding first gradient directions, and obtaining a relative position of each of the first environmental contour points and the corresponding first position; building an angle histogram in each of the local maps; determining a second position of second environmental contour points of a global map and corresponding second gradient directions; and predicting a third position in the global map of the mobile robot, counting an appearance amount of the third positions, and determining a target pose of the mobile robot in the global map.

Abstract: A motion target direction angle obtaining method and a robot using the same. The method includes: creating an absolute coordinate system, and obtaining an absolute position coordinate of at least one point after the first point in the absolute coordinate system; creating a relative coordinate system with the first point as an origin, and obtaining a relative position coordinate corresponding to the at least one point In the relative coordinate system; calculating matrix parameters of a transformation matrix based on the absolute position coordinate of the at least one point and the relative position coordinate corresponding to the at least one point; and determining a direction angle of the motion target at the first point based on the matrix parameters. Combines an absolute portioning method and a relative positioning method to calculate the direction angle.

Abstract: The present disclosure provides a movement control method for a robot as well as an apparatus and a robot using the same. The method includes: obtaining a starting position and an ending position of the robot, in response to a movement instruction being detected; determining a movement path of the robot based on the starting position and the ending position; obtaining pass qualification information of the robot, if the movement path intersects a line corresponding to a preset virtual wall; and moving the robot to the ending position according to the movement path, if the pass qualification information identifying the robot is allowed to traverse the virtual wall. By obtaining the pass qualification information, the robot can return to the working area from the non-working area in the case of an abnormality, while ensuring that the robot does not actively traverse from the working area to the non-working area.

Abstract: The present invention discloses a skylight operating system of a modular data center, so as to timely respond to a firefighting requirement of the modular data center to reduce occurrence of firefighting-related accidents. The skylight operating system comprises: an electric skylight; a firefighting environment index monitoring device arranged inside the modular data center; a monitoring and interacting device arranged in a monitoring room outside the modular data center, and connected with the electric skylight and the firefighting environment index monitoring device, the monitoring and interacting device adapted for receiving monitoring information of the firefighting environment index monitoring device, and opening the electric skylight upon determination that a firefighting-related issue occurs inside the modular data center.

Abstract: The present disclosure provides an obstacle avoidance method and system for a robot having ranging sensors as well as a robot using the same. The method includes: obtaining detection data collected by the plurality of ranging sensors; obtaining a current position of the robot based on the collected detection data; determining whether historical detection data corresponding to the current position has been stored: planning a movement path of the robot based on the collected detection data and the historical detection data and generating movement path information of the movement path, if the historical detection data corresponding to the current position has been stored; and controlling the robot to move along an obstacle-free path based on the movement path information. The present disclosure can effectively break through the limitation of the sensor technology, reduce the detection blind zone, and effectively improve the obstacle avoidance efficiency of a robot.

Abstract: The present disclosure provides a robot distance measuring method and apparatus as well as a robot using the same. The method includes: obtaining a plurality of relative position parameters of a robot from a plurality of ranging sensors; determining an installation distance between each two of the ranging sensors based on the plurality of relative position parameters; determining a sum of the installation distance of each looping arrangement of the plurality of ranging sensors based on the installation distance between each two of the ranging sensors; and enabling the plurality of ranging sensors sequentially to perform obstacle ranging according to a preset looping rule. Since the adjacent ranging sensors are avoided to range simultaneously or sequentially, the interference of the adjacent ranging sensors can be minimized, the accuracy of measuring the distance of the surrounding obstacles can be improved, thereby improving the navigation performance of the robot.

Abstract: The present disclosure provides a motion target direction angle obtaining method and a robot using the same. The method includes: creating an absolute coordinate system, and obtaining an absolute position coordinate of at least one point after the first point in the absolute coordinate system; creating a relative coordinate system with the first point as an origin, and obtaining a relative position coordinate corresponding to the at least one point in the relative coordinate system; calculating matrix parameters of a transformation matrix based on the absolute position coordinate of the at least one point and the relative position coordinate corresponding to the at least one point; and determining a direction angle of the motion target at the first point based on the matrix parameters. The present disclosure combines an absolute positioning method and a relative positioning method to calculate the direction angle.

Abstract: The present disclosure provides a multi-channel parallel optical receiving device, including a carrier, a light receiving chip, a plurality of optoelectronic diodes disposed on a top surface of an end of the carrier, an optical fiber connector disposed in another end of the carrier, and an arrayed waveguide grating disposed on the top surface of the carrier. The plurality of optoelectronic diodes is electrically connected to the light receiving chip, and an input end of the arrayed waveguide grating is connected to the optical fiber connector for receiving an optical signal from the optical fiber. The optical signals are divided into multi-channel optical signals in parallel. The top surface of an output end of the arrayed waveguide grating is at a predetermined angle, causing the multi-channel optical signals to be reflected by the top surface and to photosensitive surfaces of the optoelectronic diodes arranged in parallel.