Abstract: This application provide a method for controlling the landing of a legged robot on a plane. The legged robot includes a base and at least two robotic legs, each leg including at least one joint. The method includes: determining a first expected moving trajectory and a second expected moving trajectory corresponding to the legged robot in response to determining that the legged robot is going to contact a plane, the first expected moving trajectory indicating an expected moving trajectory of a center of mass of the legged robot and an expected moving trajectory of a change in a tilt angle of the legged robot, and the second expected moving trajectory indicating an expected moving trajectory of a foot end of each robotic leg; and controlling, based on a dynamic model and the first and second moving trajectories, an action of each joint after the legged robot contacts the plane.

Abstract: A swing-up motion method of a robot includes: receiving a swing-up motion instruction; controlling, in response to the swing-up motion instruction, first leg parts of a robot to be in a suspended state, performing a leg retraction movement of the first leg parts, and at the end of the suspended state, placing first mechanical wheels on knee joints of the first leg parts on the ground; and controlling second leg parts of the robot to be suspended and keeping stable in a balanced state by using the first mechanical wheels as force-bearing balance points.

Abstract: A method including obtaining an optimization request at a coordinating engine. The method also can include triggering engines to process the optimization request. At least one of the engines divides the optimization request into subproblems. At least a portion of the engines solve the subproblems. Respective instances of at least one of the engines are triggered to handle respective ones of the subproblems. Each of the engines provides a dynamic algorithmic flow using modularized algorithmic solvers. The dynamic algorithmic flow is adjusted based on a respective input to each of the engines. The method additionally can include outputting, from the coordinating engine, one or more results in response to the optimization request, based on results for the subproblems generated by the engines. Other embodiments are described.

Abstract: Aspects of the disclosure include a method and an apparatus. The method includes generating second relational data indicating a relationship between a movement duration and force(s) applied to a legged robot and third relational data indicating a relationship between the force(s) and a predicted rotational angle of the legged robot. The second relational data includes a vector C to be determined. Fourth relational data is generated based on the third relational data. The fourth relational data indicates a positive correlation between a target value J associated with C and a status data error between predicted status data and target status data. C that minimizes J is determined based on the second relational data and the fourth relational data. First relational data with the determined C representing a movement trajectory of a torso of the legged robot is determined. The legged robot is caused to move based on the movement trajectory.

Abstract: The present disclosure discloses a motion control method and apparatus for a legged robot, a legged robot, a computer-readable storage medium, and a computer program product. The legged robot includes at least two foot-ends. The method includes: receiving a bound instruction for the legged robot in response to the foot-ends of the legged robot standing in unit regions that are independent from one another, the bound instruction being used for instructing the legged robot to bound to a target unit region from at least two unit regions in which the legged robot is currently located; and controlling the legged robot to bound to the target unit region in response to the bound instruction, a distance between any two foot-ends of the legged robot in the target unit region being less than a distance between two corresponding foot-ends before bounding.

Abstract: In a state estimation method for a legged robot, first sensor information and second sensor information of the legged robot are received. First state information of the legged robot for a period of time is determined, via a first Kalman filter, based on the first sensor information and the second sensor information. Third sensor information of the legged robot is received. Second state information of the legged robot is determined, via a second Kalman filter, based on the third sensor information and the first state information for the period of time. First state information of the legged robot at a current time is updated based on the second state information of the legged robot, to determine state information of the legged robot at the current time.

Abstract: This application discloses a mobile robot and a method for controlling motion of the mobile robot. The mobile robot includes a first wheel part having a telescopic leg portion, a second wheel part having a telescopic leg portion, and a base part connected to the first wheel part and the second wheel part. The method includes: controlling the first wheel part and the second wheel part to be in a standing balance state, wherein the base part is parallel to a horizontal reference plane in the standing balance state; and controlling the mobile robot to perform bipedal-like motion based on the standing balance state, wherein, during the bipedal-like motion, the first wheel part and the second wheel part alternately touch the ground while the base part obliquely swinging.

Abstract: In a motion control method of a mobile robot, a tactile touch operation on a sensing device of the mobile robot is received. The mobile robot is controlled to perform an interactive motion of a plurality of interactive motions that is associated with the tactile touch operation. Each of the plurality of interactive motions is associated with a respective predefined tactile touch operation. The interactive motion corresponds to the tactile touch operation. At least one of a wheel portion or a base portion of the mobile robot performs a motion during the interactive motion. Apparatus and non-transitory computer-readable storage medium counterpart embodiments are also contemplated.

Abstract: The present disclosure relates to a high-nickel positive electrode material and a preparation method therefor and a lithium ion battery, wherein a general chemical formula of the high-nickel positive electrode material is represented by formula (1): LixNi1?(a+b+c+d+e+f)CoaM1bM2cM3dM4eM5fO2 (1), where 0.95?x?1.2, 0?a?0.15, 0?b?0.10, 0?c?0.05, 0?d?0.05, 0?e?0.05, 0?f?0.05, and 0<a+b+c+d+e+f?0.2.

Abstract: An automatic identification and classification production line for mobile terminal liquid crystal display (LCD) screens includes a size and posture identification adjustment part, a model identification part, and a classification storage device. The size and posture identification adjustment part can transport a mobile terminal LCD screen, identify front and back surfaces of the mobile terminal LCD screen, size of the mobile terminal LCD screen, and orientation of the mobile terminal LCD screen, and adjust the front surface of the mobile terminal LCD screen to face up and the orientation of the mobile terminal LCD screen to be the same as the transportation direction during transportation. The model identification part transports the mobile terminal LCD screen after adjustment of the posture, and identifies model of the mobile terminal LCD screen according to the size during transportation. The classification storage device classifies and stores mobile terminal LCD screens according to different models.

Abstract: An anomaly detection method for time series data includes: obtaining a plurality of pieces of feature information of time series data; generating a target feature combination based on the plurality of pieces of feature information; and performing anomaly result detection based on the target feature combination.

Abstract: Aspects of the disclosure relate to evaluating pullovers for autonomous vehicles. In one instance, a set of potential pullover locations within a predetermined distance of a destination may be identified. Whether any of the potential pullover locations of the set include one or more of a plurality of predetermined types of regions of interest where a vehicle should not park for an extended period of time may be determined. A pullover location is identified based on the determination. The identified pullover location may be compared to a pullover location identified by autonomous vehicle control software in order to evaluate the pullover location identified by the autonomous vehicle control software.

Abstract: A welding path generating system and a welding path generating method are provided. The welding path generating system includes an image sensor, a storage device, and a processor. The image sensor obtains a sensing image of a welding target. The storage device stores a vision analysis module, an analysis module, and a path planning module. The processor is coupled to the storage device and the image sensor. The processor executes the vision analysis module to analyze the sensing image and create scan data. The processor executes the analysis module to identify weld bead profile information according to the scan data. The processor executes the path planning module to generate welding path information according to the weld bead profile information.

Abstract: A robot control method includes: controlling an end effector of the robot to collide with a target object in a process of the end effector moving to the target object; controlling the end effector to rotate relative to the target object, to adjust the target object to a target pose corresponding to a pick-up action; and controlling the end effector to pick up the target object after the target object is adjusted to the target pose; wherein the end effector is in motion during an entire phase from the end effector colliding with the target object to picking up the target object.

Abstract: A method for controlling a legged robot is performed by an electronic device. The legged robot includes a base and at least two robotic legs. Each of the robotic legs includes at least one joint. The method includes: determining a first expected moving trajectory corresponding to the legged robot and determining a second expected moving trajectory corresponding to the legged robot in response to the legged robot falling to contact a plane, the first expected moving trajectory indicating an expected moving trajectory of a center of mass of the legged robot, and the second expected moving trajectory indicating an expected moving trajectory of a foot end of each of the at least two robotic legs; and controlling, based on a dynamic model corresponding to the legged robot, the first expected moving trajectory, and the second expected moving trajectory, an action of each joint after the legged robot contacts the plane.

Abstract: A method for determining a spatial relationship, includes: obtaining a calculation request for the spatial relationship, the calculation request including a polygonal region and a set of report points; determining a plurality of first coded values corresponding to the polygonal region; determining a plurality of second coded values corresponding to the set of report points and a group of report points corresponding to each of the plurality of second coded values; determining a second coded value matching each of the plurality of first coded values by sorting and matching the plurality of first coded values and the plurality of second coded values respectively; and determining a relationship between the polygonal region and each report point in the set of report points according to a group of report points corresponding to the second coded value matching each of the plurality of first coded values.

Abstract: Aspects involve a stretchable composite film including a polymer material having at least a portion of the polymer material being densified through covalently-attached fluorination molecules. In certain specific examples, fluorinated molecules are covalently attached to a surface region, in the form of a layer or film (e.g., polymer semiconductor (PSC) film of a transistor substrate) to facilitate operational stability and/or to encapsulation performance (e.g., stretchability-related performance). In certain other specific examples, the surface region and a fluorinated layer are used in a cooperative configuration to provide stability in the PSC film in one or more harsh environments characterized by one or more of humid air, and immersion of the PSC film in a bio-based fluid.

Abstract: Aspects of the disclosure relate to evaluating pullovers for autonomous vehicles. In one instance, a set of potential pullover locations within a predetermined distance of a destination may be identified. Whether any of the potential pullover locations of the set include one or more of a plurality of predetermined types of regions of interest where a vehicle should not park for an extended period of time may be determined. A pullover location is identified based on the determination. The identified pullover location may be compared to a pullover location identified by autonomous vehicle control software in order to evaluate the pullover location identified by the autonomous vehicle control software.

Abstract: A method for determining a plurality of layers of bounding boxes of an object includes determining a polyhedron capable of accommodating the object therein as a first-layer bounding box. The method also includes selecting one vertex from a plurality of vertices of the first-layer bounding box as a target vertex, and determining, by processing circuitry of a computing device, a support plane of the object. The support plane has a normal vector that has a specific direction corresponding to the target vertex and that is closest to the target vertex, the support plane being a plane passing through a point on a surface of the object such that the object is completely located on one side of the support plane. The method further includes cutting the first-layer bounding box based on at least the support plane to form a smaller bounding box, as a second-layer bounding box.

Abstract: The present disclosure relates to the technical field of computers, and provides a nearest neighbor trajectory query method and apparatus, an electronic device, and a readable storage medium. The nearest neighbor trajectory query method comprises: acquiring a first trajectory to be queried, and determining spatial position information of the first trajectory; generating a trajectory signature according to a positional relationship between the spatial position information of the first trajectory and a region to be queried; determining a spatial position index code of the first trajectory by means of XZ-Ordering; and constructing a spatial range index of the first trajectory according to the trajectory signature and the spatial position index code.