A modular configurable robot, comprising robot modules comprising a coupling mechanism including an electrical coupling member comprising a network communication signal connection, an arrangement forming upon coupling an orientation signal, an integrated circuit comprising a microcontroller circuit with unique identification code and I/O ports coupled to said electrical coupling to receive orientation electrical signal, a communication slave module comprising ports and registers storing state values of the ports, one port pre-designated as input, the ports being open or closed depending on the port state, the robot comprising a master communication module forming with said slave modules a master slave communication network topology, a server hosting a database of robot module parameters, accessible by unique identification code, said master module retrieving from said communication slave module the unique identification code, and from the database robot module parameters, and from said microcontroller circuit said information of a relative orientation.

A robot system including: a robot manipulator that includes links interconnected by joints with degrees of freedom that are at least partially redundant to one another; an operating unit configured to detect an input from a user with respect to at least one selected direction of a force; and a control unit configured to receive the input from the operating unit, determine components of a transpose of a Jacobian matrix associated with a respective selected direction for a predetermined position and/or orientation of a distal end of the robot manipulator in a null space such that a first metric based on the components satisfies one of following criteria: unequal to zero, greater than a specified limit, or a maximum, and control the robot manipulator to move a subset of the links in the null space so as to assume a pose according to the components as determined.

A joint acceleration planning method, a redundant robot using the same, and a computer readable storage medium are provided. The method includes: obtaining an optimization objective function, a joint acceleration inequation constraint function and a joint acceleration equation constraint function corresponding to the optimization target from a quadratic programming function library, where the optimization objective function is an objective function obtained based on the upper and lower limits of the optimization target and a Euclidean distance algorithm; and obtaining a joint acceleration planning result by performing a quadratic optimization solving on a joint acceleration of each of the target joints of the robot at time k according to the end Cartesian space speed at time k+1, the joint parameter set of the target joints of the robot at time k, the sampling period, the optimization objective function, the joint acceleration inequation constraint function, and the joint acceleration equation constraint function.

The present disclosure provides a redundant robotic arm control method, a redundant robotic arm, and a computer readable storage medium. The method includes: obtaining an external force acting on an end of the robotic arm and an external torque acting on each joint; calculating a first joint speed of each joint based on a degree of influence of the joint on the end in each motion dimension and the external force acting on the end; determining a zero space speed of each joint corresponding to a current position of the end based on a link torque of an external force acting on a link with respect to the joint; calculating a total joint speed based on the first joint speed and the zero space speed; and controlling the robotic arm to the move according to the total joint speed.

A method of controlling a robot includes: obtaining an inertia matrix and a slack variable of the robot, and determining a momentum equation of the robot according to the inertia matrix and the slack variable; obtaining reference joint angles corresponding to a reference action of the robot; determining an optimization objective function of the momentum equation according to a first preset weight coefficient of the slack variable and a second preset weight coefficient of the reference joint angles; and determining joint angles of the robot according to the optimization objective function, and driving the robot to move according to the joint angles of the robot.

A controller for robot arms and the like having mechanical singularities identities paths near the singularities and modifies those paths to avoid excessive joint movement according to a minimization of tool orientation deviation to produce alternative paths that minimize changes in the tool orientation such as can affect application such as welding, sealant application, coating and the like.

A method for monitoring a kinematically redundant robot includes detecting joint forces acting in the joints of the robot, determining an external work force between a robot-permanent reference point and an environment based on the detected joint forces, determining a further monitoring variable that is at least substantially independent of an external force acting on the robot-permanent reference point based on the detected joint forces, and monitoring the determined external work force and the determined further monitoring variable.

Systems and a method for teaching a robot in reaching a given target location. The system and method include receiving inputs on a representation of a given target location to be reached by the robot. A check is made whether the given target location is singular. If the given target location is non-singular, the teaching of the robot is effected by associating with the given target location a selected configuration. If the given target is singular, the teaching of the robot is effected by associating with the given target location an assigned joint-values solution.

Embodiments of the present disclosure are directed towards a robotic system. The system may include a robot configured to receive an initial constrained approach for performing a robot task. The system may further include a graphical user interface in communication with the robot. The graphical user interface may be configured to allow a user to interact with the robot to determine an allowable range of robot poses associated with the robot task. The allowable range of robot poses may include fewer constraints than the initial constrained approach. The allowable range of poses may be based upon, at least in part, one or more degrees of symmetry associated with a workpiece associated with the robot task or an end effector associated with the robot. The system may also include a processor configured to communicate the allowable range of robot poses to the robot.

The present disclosure provides a robotic arm control method as well as an apparatus and a terminal device using the same. The method includes: obtaining a current joint angle of each of M joints of the robotic arm; obtaining a reference included angle based on the current joint angle of each of the M joints of the robotic arm; determining an expected included angle corresponding to the robotic arm within a target angle range based on the reference included angle and the preset included angle related evaluation function; and controlling the robotic arm based on the target joint angles of the M joints.