FLEXIV LTD.

A robot system and a color control method thereof are disclosed. The robot system includes at least two robots and a server that are connected to a communication network. The server is configured to run an IDE and display a GUI of the IDE to provide a VPL tool use the VPL tool to select first and second initial VPL blocks respectively corresponding to the first and second robots; acquire first color information indicating a first color and second color information indicating a second color respectively from the first and second initial VPL blocks; and send the first and second color information to the first and second robots, respectively. The first or second robot controls, in response to the received first or second color information, the plurality of light-emitting devices thereof to display the first or second color.

Disclosed are a sealing device, an apparatus and a robot having the same. The sealing device for use between first and second members includes a first sealing component configured to be sealingly connected to the first member; and a second sealing component configured to be sealingly connected to the second member. The first and second sealing components are configured to form at least one dynamic seal with each other in a circumferential direction of the first and second members. The apparatus includes the sealing device. The robot includes a robot arm including at least a first link and the sealing device, wherein the first member is the first link and the second member is a second link, a base or an end-effector connected to the first link.

The present disclosure relates to a method for calibrating an articulated robot, a computer device and a non-temporary computer-readable storage medium. The method includes: acquiring desired trajectory information regarding a desired trajectory of the end-effector; acquiring load information regarding a load subjected by the articulated robot, the load including a gravity load, an inertial load and an external load; obtaining, based on the desired trajectory information, joint position data indicating a joint position of the articulated robot; obtaining, based on the joint position data and the load information, end position change data indicating an end position change of the end-effector; and compensating, based on the end position change data, a position error of the end-effector according to a predetermined compensation strategy.

A parallel robot includes a base, a moving platform, a plurality of branch chains, a plurality of driving devices, a plurality of transmission devices, a plurality of force/torque sensors, and a control device. The transmission device includes an output end. Each branch chain includes a first end connected to the output end and a second end connected to the moving platform. The driving device is configured to drive the transmission device to move. The force/torque sensor is configured to sense the force and/or torque between the driving device and the output end. The control device is configured to adjust a power of the driving device according to the force and/or torque sensed by the force/torque sensor, a target force or displacement to be loaded on the moving platform, and a preset rule until the force and/or torque sensed by the force/torque sensor matches the target force or displacement.

A method for suppressing vibration of a control signal for force control includes: acquiring a first output signal of a force sensing device, the first output signal including at least one of a force signal and a torque signal; processing, by an analog differential circuit, the first output signal to obtain a second output signal corresponding to a differential component of at least one of the force signal and the torque signal; and suppressing, by using the second output signal, vibration of the control signal for force control.

A method for determining an external force applied to a robotic arm, wherein the robotic arm includes a plurality of links, a plurality of joints and a plurality of 6-DOF force and torque sensors. In the method, inertial property parameters and motion state parameters of each link are determined. An inertial force and an inertial torque at the center of mass of a target link are determined. Forces and torques between the two ends of the target link and the corresponding joints are acquired respectively by the 6-DOF force and torque sensors. The external force applied to the target link is determined according to the inertial force and the inertial torque at the center of mass of the target link, and the forces and the torques between the two ends of the target link and the corresponding joints.

A robot teleoperation method, a robot and a storage medium are disclosed. The method includes: acquiring an image of a target object, and generating a point cloud of the target object according to the image; establishing a virtual fixture based on a geometric feature corresponding to the point cloud; the virtual fixture including at least one of a forbidden region virtual fixture or a guidance virtual fixture; determining a reference point of the virtual fixture and a control point of the robot, and determining a virtual force of the virtual fixture acting on the control point according to a distance between the reference point and the control point; and determining a control force applied to the control point based on the virtual force.

The present application relates to a cable detection method, a robot and a storage device. The method includes: acquiring an RGB image of a cable and a corresponding depth image; performing image segmentation on the RGB image, and merging pixel points in the RGB image, which are adjacent in position and have similar pixel features, into super-pixels; determining a target similarity between at least some of the super-pixels and the adjacent super-pixels, and detecting cables in the RGB image according to the target similarity between at least some of the super-pixels and the adjacent super-pixels; determining whether the cables are overlapped; and when it is detected that the cables are overlapped, determining an overlapping relationship between the detected cables according to the depth image.

A method for aligning a robot end with a target object includes: acquiring a target direction for a surface to be aligned; selecting a control point, and establishing a coordinate system of the control point; controlling the surface to move along a direction such that the z-axis points in the target direction; rotating, when the surface is determined to be in contact with the target object, the surface with respect to the target object actively and keeping the surface in contact with the target object, and acquiring a first displacement of the control point; determining a relationship between the first displacement and the z-axis; determining, based on the relationship between the first displacement and the z-axis, whether a current rotation direction is a correct alignment direction; and controlling, based on the determination, the surface to be rotated.