There is provided for a calibration method for an operation apparatus. The operation apparatus comprises a first moving body unit capable of pivoting about a horizontally extending axis, a first driving unit configured to drive the first moving body unit, and a first detection unit configured to detect a pivot position of the first moving body unit. The method comprises aligning the first moving body unit to one reference position selected from a plurality of predetermined reference positions, determining the reference position by comparing a driving parameter value of the first driving unit at the one reference position with determination parameter values respectively preset for the plurality of reference positions, and registering, as reference position information for calculating the pivot position, position information of the one reference position determined in the determining and detection value information of the first detection unit.

A substrate misalignment compensation method includes obtaining first coordinates for an amount of movement of a substrate transfer apparatus and second coordinates measured by a plurality of sensors installed on the substrate transfer apparatus while moving the substrate transfer apparatus in one direction, calculating a calibration value of the substrate transfer apparatus by using an equation of a circle for the first coordinates and an equation of a line for the second coordinates, and calculating the center of a circle for a substrate based on the calibration value of the substrate transfer apparatus and compensating for misalignment of the substrate by using the center of the circle.

A device for measuring repeated positioning precision of a robotic arm is introduced. Using an optical speckle three-dimensional displacement sensor developed by the inventor, and with collaboration of an optical speckle image three-dimensional positioning base built with an optical speckle coordinate database and having low thermal expansion, an optical speckle three-dimensional absolute positioning space is established. The optical speckle three-dimensional displacement sensor is installed on an end effector of a robotic arm, the robotic arm is moved to have the optical speckle three-dimensional displacement sensor enter an optical speckle three-dimensional absolute positioning space, an optical speckle image of a positioning point is captured and compared with a coordinate optical speckle image in the optical speckle coordinate database, and current three-dimensional absolute positioning coordinates of the end effector of the robotic arm can be obtained.

Provided is a distributed robot management system, including: a first fleet of robots at a first facility; and a robot management server system remote from the first facility and communicatively coupled with the first fleet of robots via a network, wherein the robot management server system is configured to: provide configuration information to the first fleet of robots, maintain a remote representation of state of robots in the first fleet of robots, receive and store data from the first fleet of robots, and provide computing resources by which robots in the first fleet of robots are trained.

Methods, systems, and apparatus, including computer programs encoded on computer storage media, for measuring and reporting calibration accuracy of robots and sensors assigned to perform a task in an operating environment. One of the methods includes receiving a request to perform a calibration process for one or more robots in an operating environment; in response, performing the calibration process including executing a calibration program that generates movement data representing movements by the one or more robots within the operating environment; computing a measure of calibration accuracy from the movement data; receiving an input program to be executed in the operating environment; determining that the measure of calibration accuracy does not satisfy an accuracy tolerance of the input program; and in response, generating a notification representing that the measure of calibration accuracy generated from performing the calibration process does not satisfy the accuracy tolerance of the input program.

A method of calibrating a tool of an industrial robot, the method including positioning a tool center point of the tool in relation to a reference target in at least one calibration position of the robot; for each calibration position, recording a joint position of at least one joint of the robot; calculating tool data based on the at least one joint position in each calibration position and based on a kinematic model of the robot, the tool data including a definition of the tool center point; determining an error of the calculated tool data; and modifying at least one kinematic parameter of the robot based on the error to reduce the error. A control system for calibrating a tool of an industrial robot and an industrial robot including the control system, are also provided.

Disclosed is a calibration device including: a position information acquiring unit (101) for acquiring position information showing the position and the posture of control target equipment; a force information acquiring unit (102) for acquiring information about a force applied to the control target equipment from a detection result of a force sensor (5) disposed in the control target equipment; a first estimating unit (104) for estimating the force applied to the control target equipment from the acquired position information by using a physical model, to acquire estimated force information; and a second estimating unit (105) for estimating a linear or nonlinear model on the basis of the acquired position information, the acquired force information, and the acquired estimated force information.

In some embodiments, correcting an alignment error between an end effector of a tool associated with a slave and a master actuator associated with a master in a robotic system involves receiving at the master, master actuator orientation signals (R.sub.MCURR) representing the orientation of the master actuator relative to a master reference frame and generating end effector orientation signals (R.sub.EENEW) representing the end effector orientation relative to a slave reference frame, producing control signals based on the end effector orientation signals, receiving an enablement signal for selectively enabling the control signals to be transmitted from the master to the slave, responsive to a transition of the enablement signal from not active state to active state, computing the master-slave misalignment signals (R.sub.Δ) as a difference between the master actuator orientation signals (R.sub.MCURR) and the end effector orientation signals (R.sub.EENEW), and adjusting the master-slave misalignment signals (R.sub.Δ) to reduce the alignment difference.

A method and system are disclosed herein. The system includes a measuring device detecting a position and a travel distance of movement of the robot, a communication circuit, a memory, and a processor. The processor implements the method, including: specifying a robot coordinate system of the robot based on the measured position data, generating, using the processor, robot reference position data by converting the measured position data based on the specified robot coordinate system, performing, using the processor, position-based parameter optimization based on the robot reference position data, and storing, using a memory, a parameter optimized through the position-based parameter optimization; and transmitting, using a communication circuit, the stored optimized parameter to the robot to actuate movement of the robot based on the stored optimized parameter.

A method of operating a mobile construction robot includes placing an optical tracker on an architectural construction site and parking a driving platform of the robot on the site. An end effector of the robot is moved in first and second positions and the first and second positions of the end effector relative to the driving platform are measured. An optical marker mounted to the end effector is tracked in the first and second positions of the end effector with the optical tracker and the first and second positions of the optical marker relative to the optical tracker is measured with the optical tracker. A position and an orientation of the driving platform is determined based on the measured first and second position of the end effector relative to the driving platform and the measured first and second position of the optical marker relative to the optical tracker.