3851results about "Joints" patented technology

The invention includes systems and methods for relating to improved body structures for robots. A robot assembly includes a base member (e.g., a pelvis base). The robot assembly includes a first hip member rotatably connected to the pelvis base. The first hip member is connected to a first electric actuator configured to rotate the first hip member about a first hip axis relative to the pelvis base. A first intermediate member is rotatably connected to the first hip member. The first intermediate member is connected to a second electric actuator configured to rotate the first intermediate member about a second hip axis relative to the first hip member. A first leg member is rotatably connected to the first intermediate member. The first leg member is connected to a third electric actuator configured to rotate the first leg member about a third hip axis relative to the first intermediate member.

A humanoid robot leg that may include a shank, an ankle that includes an ankle joint that is configured to perform yaw and pitch rotations, a knee joint, multiple ankle related (AR) rotational motors that are in mechanical communication, via multiple AR transmission mechanisms, with the ankle joint, and a knee related (KR) rotational motor that is in mechanical communication, via a KR transmission mechanism, with the knee joint. The multiple AR rotational motors and the KR rotational motor are positioned above the knee joint.

A humanoid robot includes a torso, a left arm assembly coupled to the torso and having a first reference line, a left wrist coupled to the left arm assembly and including at least a rotational axis, and a left end effector coupled to the left wrist. The left end effector is configured to move about the rotational axis and includes a finger assembly with a second reference line and at least two degrees of freedom, and a thumb assembly with at least three degrees of freedom. A first angle is formed between the first and second reference lines when the left wrist is in a first configuration, and a second angle is formed when the left wrist is in a second configuration. Both the first and second angles are greater than 70 degrees, and the difference between the first and second angles is greater than 150 degrees.

The present disclosure provides a humanoid robot with an arrangement of components that allows the robot to mimic the movements, functionality and capabilities of a human being. The robot includes a torso coupled to a waist, an arm assembly, and a head assembly. A pelvis is coupled to the waist and has left and right actuator mounts. Left and right hip assemblies are coupled to the respective actuator mounts. Each hip assembly includes a hip pitch actuator assembly, a hip roll actuator assembly, and a leg twist actuator assembly. The hip pitch actuator assembly has a portion positioned within the pelvis and is coupled to the actuator mount. The hip roll actuator assembly is coupled to the hip pitch actuator assembly, with a non-90 degree angle formed between their axes. The leg twist actuator assembly is coupled to the hip roll actuator assembly and positioned below extents of both the hip pitch and hip roll actuator assemblies.

A dynamically updated automatic makeup application system and method. The system comprises a machine with an airbrush mounted on a robotic arm movable in 5 degrees of freedom, an airbrush mounted on said robotic arm. The system implements a makeup application plan on a subject using the machine, to achieve a desired look for the subject, or perform corrective makeup. The system is configured to automatically and dynamically updating the makeup application plan during implementation thereof in response to identifying, based on the sensor readings, a movement of the subject. The airbrush is attachable to multiple alternative nozzles, with different air pressure levels and different materials in accordance with the makeup application plan. The system designs and fabricates four-dimensional (4D) stencils to be attached to the subject while applying makeup in accordance with the makeup application plan.

A robotic torso for a humanoid robot includes a first torso member having an axial axis aligned with a reference axis and a second torso member having at least one mounting portion for at least one humanoid component. The robotic torso includes a series of actuators arranged in a column between the first torso member and the second torso member and coupling the first torso member to the second torso member. Each of the actuators has a rotatable member defining a rotational axis. The rotational axes of each adjacent pair of actuators in the series of actuators are orthogonal to each other.

The invention discloses a five-finger bionic dexterous hand with distributed touch perception and a control method. The five-finger bionic dexterous hand comprises a palm part; fingers of the thumb unit, the index finger unit, the middle finger unit, the ring finger unit and the little finger unit respectively comprise a three-stage series flexion and extension mechanism which is sequentially composed of a third knuckle, a second knuckle and a first knuckle from a metacarpophalangeal joint, and each three-stage series flexion and extension mechanism has three flexion and extension freedom degrees and one deflection freedom degree; the tendon rope driving units are arranged in the palm part; the palm center camera is integrated on the front face of the palm part and used for collecting visual information of an operation area; the 15 air pressure type touch sensor modules are installed on the third knuckles, the second knuckles and the first knuckles of all the finger units in a distributed mode, and each air pressure type touch sensor module is integrated with a pressure and temperature double sensing unit and used for sensing contact pressure and environment temperature; the control module is integrated on the back face of the palm part and is in signal connection with the palm center camera, the air pressure type touch sensor modules and the tendon rope driving unit.

The invention is suitable for the technical field of fault detection, and provides a fault detection method and device for a joint module and electronic equipment. The joint module comprises a motor, a speed reducer connected with the motor, a first encoder arranged between the motor and the speed reducer, and a second encoder arranged at the output end of the speed reducer. The fault detection method comprises the following steps: identifying a position difference between a rotor of the motor and an output shaft of the speed reducer based on the first encoder and the second encoder; and according to the position difference and a preset difference threshold value, whether the joint module has a fault or not is determined, and the difference threshold value is associated with the gear meshing clearance of the speed reducer. According to the embodiment of the invention, whether the joint module has a fault or not can be accurately detected.

The invention discloses a flexible robot motion control system and method based on a visual language action model, and the system comprises visual sensors which are disposed at a plurality of joints of a flexible robot, and are used for observing the multi-joint sensing information of the flexible robot; the remote voice input unit is installed on the flexible robot body and used for inputting a voice instruction of remote operation to the flexible robot; the motion control module based on the VLA framework is mounted in the flexible robot and used for controlling the flexible robot to act based on a visual language action model according to the multi-joint sensing information and the voice instruction; through the design of the intelligent control system, the complexity of the system is remarkably reduced, the control precision and flexibility are optimized, the coordination control problem of complex body segment units is solved, high-performance autonomous motion control is achieved, the system cost is reduced, the adaptability of the robot in diversified environments is enhanced, and the robot can be widely deployed in complex application scenes.

The joint module comprises a motor and a harmonic reducer, the motor comprises a shell, a stator assembly and a rotor assembly, the shell comprises an outer shell and an inner oil cavity, a first oil port and a second oil port are formed in the two ends of the inner oil cavity respectively, the stator assembly is fixed to the inner side of the inner oil cavity, and the rotor assembly is fixed to the outer side of the inner oil cavity. The rotor assembly comprises a rotating shaft and a rotor hub arranged on the rotating shaft, the rotor hub comprises an inner shell and an outer shell, the inner shell and the outer shell are fixed through a connecting piece, an oil stirring channel is formed, the harmonic reducer comprises a wave generator, a flexible gear, a supporting bearing outer ring and a supporting bearing inner ring, and the rotating shaft is connected with the wave generator. The wave generator drives the flexible gear to deform, the flexible gear is fixed to the rear end cover, the outer ring of the supporting bearing is fixed to the rear end cover, and a gear ring is arranged on the inner wall of the inner ring of the supporting bearing and is in staggered tooth transmission with the flexible gear. Oil liquid is in direct contact with a stator heating source, the stator heat dissipation efficiency is improved, the rotor hub drives the oil liquid to flow, and the heat exchange efficiency is improved.

A flexible sensor and a method of detecting biaxial wrist joint motion and a robotic arm are provided; the flexible sensor of detecting biaxial wrist joint motion includes a light-proof sleeve, a protective layer, a strip-shaped transparent conductive hydrogel, a light intensity sensor, a light source, and a resistance detection module; the transparent conductive hydrogel is arranged in an inner cavity of the light-proof sleeve; the protective layer is arranged between an inner side wall of the light-proof sleeve and the transparent conductive hydrogel; the light intensity sensor and the light source are arranged at two ends of the strip-shaped transparent conductive hydrogel, respectively; the resistance detection module is connected to the two ends of the strip-shaped transparent conductive hydrogel; a longitudinal section of the strip-shaped transparent conductive hydrogel is in a form of a rectangle with unequal length and width.

The invention discloses a pipeline robot motion control method and system, and relates to the technical field of robot control. The method comprises the steps that in response to a direction instruction triggered by an operator through a remote end, state data, collected by an internal sensor module, of a pipeline robot body and pipeline environment data collected by an external sensor module are obtained; based on the direction instruction, the state data and the pipeline environment data, utilizing a pre-trained strategy model to generate a control instruction of each driving motor; and adjusting the running state of each driving motor according to the control instruction. Autonomous motion control over the pipeline robot can be achieved in the complex pipeline environment, manual dependence is reduced, and the motion stability, the load capacity and the passing efficiency of the robot are improved.

Disclosed is a birfield flexible variable-stiffness continuum robot unit and a continuum robot. In the birfield flexible variable-stiffness continuum robot unit, main structural units are interconnected to constitute a continuum manipulator; joint connecting structures connect the two adjacent main structural units; a front-end unit is arranged at a foremost end of the manipulator; and a rear-end unit is arranged at a rearmost end of the manipulator. When in use, birfield joint design is adopted, a single joint has two degrees of freedom, is more flexible and variable, and the adjacent structural units rotate around a center of a sphere, so that modeling is simpler and more convenient; connection design of flexible springs is further adopted, certain stiffness is provided for the manipulator, and thus the manipulator has a variable-stiffness characteristic; and meanwhile, a roll ball structure makes the manipulator have high torsional resistance.

The disclosed humanoid robot is designed to perform diverse, human-like tasks in various environments, from industrial assembly and customer service to every day household chores. These robots possess anthropomorphic features including a head, torso, arms, legs, and hands, enabling complex motions with over 60 degrees of freedom. The upper portion houses over 70% of the DoF, allowing dexterous manipulation, while the central and lower portions are optimized for battery storage and efficient movement. More than 30 electric actuators (mostly rotary) power the humanoid robot, with a strategic arrangement that minimizes mechanical singularities and facilitates tasks such as deep squats and precise reaching. This configuration reduces cost, weight, and maintenance while improving performance and capabilities of said humanoid robot.

The invention discloses a double-stator single-rotor planetary reduction type joint module which comprises a hollow shaft, a driver assembly, an axial magnetic flux motor, a planetary reducer and an output shaft, and the driver assembly, the axial magnetic flux motor and the planetary reducer are sequentially arranged on the hollow shaft in the axial direction; the axial magnetic flux motor comprises a rotor assembly and two stator assemblies. The two stator assemblies are symmetrically arranged on the two different sides of the rotor assembly in the axial direction. The rotor assembly comprises a rotor supporting plate and a plurality of magnetic steels, and the plurality of magnetic steels are circumferentially distributed on the rotor supporting plate; the stator assembly comprises a stator iron core and a plurality of stator windings, the stator iron core comprises a yoke part iron core and a plurality of tooth part iron cores, and each stator winding is wound on the corresponding tooth part iron core. According to the joint module, wiring can be facilitated, the integration level can be improved, the torque density of the joint module is effectively improved, and the heat dissipation performance is good.

The invention relates to an all-humanoid robot motion redirection method and device based on motion capture equipment, and the method comprises the steps: converting a human body posture quaternion collected by the motion capture equipment into a rotation matrix, and achieving the precise mapping from a Cartesian space to a robot joint space in combination with an Euler angle decomposition strategy; a quaternion-disassembled joint angle is used as an initial solution, various physical constraints are introduced in real time according to the actual supporting state of the robot, and the lower limb joint angle is corrected online by constructing and solving an inverse kinematics problem with various constraints, so that the robot reproduces the action of an operator, and the joint angle of the lower limb can be corrected online. And the requirements of joint limiting, self-collision avoidance, dynamic balance and the like are strictly met, so that the accuracy of motion simulation and the stability of the system are effectively unified.

This disclosure sets forth a robotic end effector for acquiring and managing an article, such as an item of luggage. The robotic end effector can include an extendable arm comprising a first support member, a capture device comprising a guide member having a plurality of apertures formed therein with a rod slideably supported in each aperture of the guide member. The capture device can further include a biasing member associated with one or more rods and being configured to bias the one or more rods in a first direction relative to the guide member. The article interface system can include an actuatable article engagement device. The actuatable article engagement device can itself include an article interface surface. The actuatable article engagement device can be operated to interface with an article to facilitate movement of the article toward the capture device.

A robot kinetic parameter identification method based on double-layer iteration and friction compensation comprises the following steps: S1, establishing a kinetic model of a robot, and performing linearization processing on the kinetic model to obtain a linearization model represented by an observation matrix and an inertial parameter vector; s2, designing an excitation trajectory for the linearized model by adopting improved Fourier series of a quintic polynomial, and setting constraint conditions of joint positions, speeds and accelerated speeds; s3, the robot is controlled to move according to the excitation track, and joint state data of the robot are collected and subjected to noise reduction processing; and defining the noise-reduced driving torque as a measurement torque. According to the robot kinetic parameter identification method based on double-layer iteration and friction compensation, the physical feasibility of the robot kinetic parameters can be ensured, the friction model is improved to identify the friction parameters, the friction model is fitted by adopting the radial basis function neural network, and the precision of subsequent robot control is ensured.

A multi-degree-of-freedom bionic dexterous hand includes a palm structure, a bionic thumb, a multifunctional bionic finger, and a dexterous bionic finger. The bionic thumb includes a first phalanx structure and a rotary disk, the rotary disk is configured to rotate on the palm structure, the first phalanx structure is hinged to the rotary disk, and the rotation axis of the rotary disk is not parallel to the rotation axis of the first phalanx structure. The multifunctional bionic finger includes a second phalanx structure, the second phalanx structure is universally hinged to the palm structure, and the second phalanx structure can perform the flexion-extension movement and the swinging movement. The dexterous bionic finger includes a third phalanx structure, the third phalanx structure is hinged to the palm structure, and the third phalanx structure can perform the flexion-extension movement.

A snake-arm robot assembly may include a first link and a second link with a joint formed therebetween including first and second contact portions in rolling contact with one another to allow the first and second links to pivot with respect to one another. The first and second contact portions are configured to contact one another at first and second contact points corresponding to a first orientation and third and fourth contact points corresponding to a second orientation. The joint may be configured such that a line of action of a net force acting on the joint is incident with a first reference line extending between the first and second contact points with the links in the first orientation, and the line of action is incident with a second reference line extending between the third and fourth contact points when the links are in the second orientation.

The invention discloses an integrated joint motor module and a robot. The joint motor module comprises an output mechanism used for outputting rotation power; the speed reduction and sensing mechanism is used for improving torque output and detecting output torque; the power mechanism is used for providing power; the control mechanism is used for controlling the power mechanism to work according to the position information, the rotating speed information and the output torque; the power mechanism comprises a motor rotor, a motor stator, a rotating shaft, a stator shell cover, a first bearing, a bearing pressing ring and an axial elastic deformation piece. The bearing pressing ring is arranged between the first bearing and the stator shell cover, and the axial elastic deformation piece is arranged between the bearing pressing ring and the stator shell cover; the control mechanism comprises an encoder rotor, an encoder stator and a driver. According to the motor module, the axial elastic deformation piece is arranged between the bearing pressing ring of the power mechanism and the stator shell cover, so that the relative position between the encoder rotor and the encoder stator below the stator shell cover is stable, and the size of the motor module is reduced.

The invention discloses a wheelchair humanoid robot controlled by humanoid mechanical arms. The wheelchair humanoid robot comprises a chassis, a robot trunk, the two mechanical arms and a control calculation unit. The chassis comprises four independent driving wheels; a wheelchair seat is arranged on the robot trunk; the mechanical arm is a seven-axis mechanical arm and comprises three tail end joints and an operation tail end. The control calculation unit is provided with an operation control moving mode; in the operation control movement mode, the control calculation unit senses the operation intention of a user on the operation tail end by collecting data of the joint position sensor and the force feedback sensor, generates a movement command of the chassis through mapping of the operation intention, and converts the movement command into a wheel speed control command of the independent driving wheels. The tail end joint of the mechanical arm serves as a sensing and input device, the independent driving wheel chassis serves as an execution device, and the whole system has the advantages of being high in freedom degree, natural in interaction, safe, smooth and high in space adaptability through cooperation of the two devices.

Methods and apparatus for controlling a robot (e.g., having a set of continuous rotation joints) to perform extra human behaviors are provided. The method includes receiving task information to perform a task, determining, using a control system of the robot, a motion plan for the robot to perform the task, wherein the motion plan includes rotation about one or more joints of the robot (e.g., about at least one of the continuous rotation joints in the set of continuous rotation joints) to efficiently perform the task using extra human behaviors.

The invention relates to the technical field of modular robots, in particular to a modular robot hand rigidity joint control system which comprises a track analysis module, a rigidity adaptation module, a signal interference recognition module, a track correction module and a safety boundary module. According to the invention, through multi-dimensional real-time data acquisition and analysis, real-time identification of track continuous fluctuation and joint stiffness adjustment requirements is realized, upper and lower boundaries of the stiffness are dynamically adjusted along with changes of action node states and environmental parameters, and joint angular velocity, interaction force, sampling signal amplitude and reverse jump characteristics are comprehensively processed; a feedback channel is directly established in the signal disturbance and rigidity control process, after signal characteristic changes are accurately recognized, fine-grained synchronous response and track and signal characteristic linkage correction are achieved through sampling frequency and joint parameters, the action process is matched with a complex environment and an unstable state in real time, and flexibility and movement safety are enhanced.

A cleaning system for cleaning an electronic device includes an enclosure and at least one robot positioned within the enclosure. Each robot includes a robotic arm and an end effector coupled to the robotic arm. The cleaning system includes at least one nozzle positioned within the enclosure and at least one dry ice blasting machine configured to eject dry ice particles from the at least one nozzle. The robot is configured to position the electronic device proximate to the at least one nozzle to clean the electronic device with the dry ice particles that are ejected from the at least one nozzle.

The invention relates to a humanoid robot foot based on a human arch, and aims to solve the problems that a foot structure of a biped humanoid robot is insufficient in the aspects of stability, rigidity, flexibility, energy efficiency, diversity, ergonomics and the like. The five toes, the first metal vertical plate and the second metal vertical plate are fixed to the sole metal plate, the hallux toe sleeve is sleeved on the toes and connected with the toes through the first elastic metal driving rod, and the final toe sleeve is sleeved on the toes and connected with the toes through the second elastic metal driving rod. A first C-shaped connecting rod connected with a first elastic metal driving rod and a second elastic metal driving rod is inserted into the front portion of an ankle connecting block, the bottom of the ankle connecting block is connected with a heel metal plate through a plurality of spring columns, and a second C-shaped connecting rod is inserted into the rear portion of the ankle connecting block. And the second C-shaped connecting rod is fixed with the heel metal plate through the heel elastic metal driving rod. According to the scheme, the shoe sole has better adaptability and balance.

The invention discloses a joint module of a humanoid robot. The joint module comprises a shell, a first cooling pipeline, a motor and a speed reducing mechanism, wherein the motor and the speed reducing mechanism are coaxially arranged in the shell; the motor comprises a main shaft rotationally arranged in the shell, and a first rotor, a stator and a second rotor which are sequentially arranged along the axial direction of the main shaft; the annular base of the stator is fixed in the inner cavity of the shell; the main shaft is coaxially arranged on the inner ring of the annular base, and the two ends of the main shaft extend out of the stator and are connected with the double rotors respectively. Stator iron cores which are distributed at intervals along the circumferential direction are arranged on the annular base; the shell is provided with an internal oil way, and the internal oil way comprises a spiral oil way surrounding the periphery of the speed reducing mechanism. And the first cooling pipeline is annularly fixed on the inner ring of the stator. On the basis that a single-stator double-rotor motor structure is adopted, the first cooling pipeline is arranged on the stator, and the spiral oil way is arranged on the periphery of the speed reducing mechanism in a surrounding mode, so that the joint module is effectively cooled, and the service life of the joint module is prolonged.

The utility model provides a double-magnet-ring encoder integrated robot joint and a robot. The double-magnet-ring encoder integrated robot joint comprises a speed reducer assembly, a driving assembly, a double-magnet-ring encoder assembly and an end cover assembly. Wherein the speed reducer assembly is fixedly connected with the driving assembly, and the double-magnetic-ring encoder assembly is fixedly connected with the end cover assembly through the driving assembly; the double-magnetic-ring encoder assembly comprises an outer magnetic ring rotor seat 9, an inner magnetic ring rotor seat 13, a driving plate 14, an inner magnetic ring 15, an outer magnetic ring 16 and a stator seat 17; compared with an integrated joint in the prior art, under the same size, the rotation precision is higher, position sensors are arranged at the input end and the output end, closed-loop control is achieved, and a control panel sends out instructions more accurately; the double-magnet-ring encoder is very compact in assembly, and is convenient for automatic installation after mass production; according to the utility model, the encoder part and the motor part are more modularized, the independence of the encoder part and the motor part is stronger, and higher interchangeability can be realized when customer orders are dealt with on a production line.