B25J9/106

ROBOT UNIT
20200094421 · 2020-03-26 ·

A robot unit includes a robot body which is an arm-type robot having a plurality of arms coupled via joints, and in which one or more connecting portions are provided on a surface of at least one of the arms, and one or more auxiliary parts which are attachable and detachable to and from the arms via the connecting portions and which control or support movement of at least one of the joints.

ARTICULATED MECHANISM WITH COMPACT TORQUE SENSOR
20200086479 · 2020-03-19 ·

A motorized joint unit comprises a pair of shells defining an inner cavity, the pair of shells adapted to be connected to adjacent links of an articulated mechanism. A rotor and stator in the inner cavity are actuatable to cause a relative rotation therebetween. A shaft connected to the rotor to rotate with the rotor relative to the stator. A support coupled to the shaft by a mechanism, the support being connected to one of the shells to impart a rotation of the shaft to the shell, the support defining an annular wall. One or more strain gauges are located on said annular wall of the support. A printed circuit board (PCB) is applied against the annular wall and electrically connected to the at least one strain gauge, the PCB adapted to be electrically linked to a controller.

ARTICULATED MECHANISM WITH PROTECTIVE SLEEVE AT JOINT
20200086507 · 2020-03-19 ·

An assembly of links and motorized joint unit comprises two or more links. The links have a tubular body, one or both ends of the tubular body being an open end. A motorized joint unit has a first portion received in the open end of the tubular body of a first of the links so as to be secured relative to the first of the links. A second portion is rotatable relative to the first portion by actuation of the motorized joint unit, the second portion received in the open end of the tubular body of a second of the links, the motorized joint unit secured relative to the second of the links. A protective sleeve has a tubular body mounted over part of the motorized joint unit to cover a gap between the first and the second of the links, the protective sleeve having a rigid annular member and a flexible annular member, the flexible annular member foldable onto the rigid annular member.

ROBOT CONTROL METHOD, LEGGED ROBOT USING THE SAME, AND COMPUTER-READABLE STORAGE MEDIUM
20240025038 · 2024-01-25 ·

A robot control method, a legged robot using the same, and a computer-readable storage medium are provided. The method includes: obtaining a motion parameter of a driving mechanism of a target part of the robot; and obtaining an end pose of the target part by processing the motion parameter of the driving mechanism according to a preset forward kinematics solving model, where the forward kinematics solving model is a neural network model trained by a preset training sample set constructed according to a preset inverse kinematics function relationship. In this manner, a complex forward kinematics solving process can be transformed into a relatively simple inverse kinematics solving process and neural network model processing process, which reduces the computational complexity, shortens the computational time, thereby meeting the demand for real-time control of the robot.

Joint structure of robot

A joint structure of a robot according to an embodiment may include first link member, a second link member, a first movable link and a second movable link, disposed so as to intersect with each other and configured to rotatably couple the first link member to the second link member, and a linear-movement actuator connected at a base-end part thereof to the first link member, and connected at a tip-end part thereof to the first movable link. The second link member relatively pivots to the first link member by the linear-movement actuator advancing and retreating.

Robot control apparatus, robot control system, and robot control method

A robot control apparatus includes a drive controller configured to control a plurality of motors which are configured to drive a plurality of link mechanisms of a parallel link robot, respectively, and abnormality determination circuitry configured to determine based on state data of the plurality of motors whether at least one of collision of the parallel link robot and dislocation in the link mechanisms occurs.

HUMAN-LIKE DIRECT DRIVE ROBOT
20200083763 · 2020-03-12 ·

The present disclosure relates to a motor, in particular a compact, lightweight and high torque motor. The rotor comprises a Halbach array magnet structure in which the projected magnetic field is directed toward the rotation axis of the motor and the stator comprises a plurality of poles within the Halbach array. The individual magnets making up the Halbach array have a thickness in the radial direction, with respect to the rotation axis, which is determined to be the minimum thickness required to stop demagnetisation of the magnets when the maximum current to generate peak torque output of the motor is driven through the stator at the maximum expected temperature at which the motor will be used.

Translational parallel manipulators and methods of operating the same

In one aspect, a translational parallel manipulator is provided and includes a fixed platform including three guide members. The three guide members include first ends and second ends, and the first ends of the three guide members are all coupled to each other and the second ends of the three guide members are all spaced-apart from each other. The manipulator also includes a movable platform spaced-apart from the fixed platform and three serial subchains coupled between the three guide members and the movable platform. In one aspect, a translational parallel manipulator is provided and includes a fixed platform, a movable platform spaced-apart from the fixed platform, and a plurality of subchains coupled between the fixed platform and the movable platform. At least one of the plurality of subchains includes no more than four one degree-of-freedom joints.

Methods and Apparatus for Shape Transformation of Multi-Linkage Structure
20200072276 · 2020-03-05 ·

A modular structure may comprise multiple mechanical linkages. The structure may undergo two-dimensional or three-dimensional shape transformations, such as bending, twisting, shearing, uniform scaling, and anisotropic scaling. These shape transformations may be actuated by applying force to one or more specific locations in the structure. Each of the linkages in the modular structure may comprise a four-bar linkage. The exact shape transformation that the structure undergoes may be determined by the type and location of the linkages in the structure.

Rotational driving mechanism in a robot
10576624 · 2020-03-03 · ·

A rotational driving mechanism for driving a first member and a second member, which are part of a robot, to rotate relatively on a predetermined rotational driving plane by means of a linear motion actuator having a linear motion output shaft, includes: a first link unit with which the output shaft is connected, and which is arranged so as to be rotatable with respect to the first member through a first rotation shaft, and which is also arranged so as to be rotatable with respect to the second member side through a second rotation shaft; a second link unit which is connected with a first support shaft arranged at the first member side, and which is connected with a second support shaft arranged at the second member side, with a center distance between the first support shaft and the second support shaft being made constant.