Abstract: A motor drive device includes: a converter that converts AC power supplied from an AC power source into DC power and outputs the DC power to a DC link; a capacitor installed in the DC link; an inverter that converts the DC power at the DC link into AC power for driving a motor and outputs the AC power; a charging circuit that has a charging resistor for preventing inrush current during the period of pre-charging of the capacitor; a charging control unit that controls the pre-charging of the capacitor executed by the charging circuit; and an abnormality determination unit that determines, during the period of pre-charging of the capacitor, whether an abnormality has occurred, on the basis of a measurement value of the voltage of the capacitor and/or a measurement value of the current flowing through the DC link.

Abstract: A wrist cover covers a wrist of a robot. The wrist includes a first wrist element, a second wrist element, and a third wrist element coupled in series and rotatable with respect to one another. The wrist cover includes: a rotating seal member that is fixed to the second wrist element, thereby sealing a ring-shaped gap between the second wrist element and the third wrist element while allowing relative rotation between the second wrist element and the third wrist element; and a flexible bag-shaped cover body that has a first opening arranged so that the first wrist element is passed therethrough, and a second opening arranged so that the third wrist element is passed therethrough. The cover body and the rotating seal member are attached with a space between a peripheral edge of the second opening and the first rotating seal member being sealed over the entire periphery thereof.

Abstract: An image processing apparatus includes a graphical image generator that generates a first graphical image and a second graphical image, and a mode switching unit that switches between a first display mode and a second display mode so that a display displays the first graphical image or the second graphical image. Each graphical image includes a color wheel indicating a two-dimensional color space of hue and saturation and a lightness bar indicating a one-dimensional color space of lightness. In the first graphical image, each position in the color wheel and the lightness bar is indicated by the hue and saturation indicated by that position. In the second graphical image, a distribution of colors included in the color image in the color space of hue and saturation or the color space of lightness is superposed on the color wheel and the lightness bar.

Abstract: A robot includes a wrist unit that has a tool attached to a distal end face thereof and that changes the orientation of the tool, the tool performing work on a work target device secured to an installation surface; and a movable unit that changes the three-dimensional position of the wrist unit. The movable unit includes an arm that has a longitudinal axis and the wrist unit is attached to the distal end thereof, and a visual sensor that has a field of view oriented in a direction intersecting the longitudinal axis of the arm is attached to the a positon closer to the base end than the distal end face of the wrist unit is.

Abstract: A robot controller for controlling a robot includes a reception unit configured to receive, by wireless communication, transmission data containing an operation command for the robot, a delay detection unit configured to detect a delay of the received transmission data from a scheduled arrival time, and a speed setting unit configured to set, when the delay is detected, a movement speed when the robot moves in accordance with the operation command to a 2nd speed which is less than a 1st speed set when the delay is not detected and which is greater than zero.

Abstract: An apparatus configured to facilitate identifying a factor for a defect if the defect occurs in a finished surface of the workpiece. An apparatus includes a movement path generation section configured to generate the movement path of the industrial machine when performing a work on a workpiece; a running information acquisition section configured to acquire running information of the industrial machine when performing a work on the workpiece; and an image data generation section configured to generate the image data in which a first point on the movement path corresponding to a change point of first running information, and a second point on the movement path corresponding to a change point of second running information different from the first running information are highlighted on the movement path in display forms visually different from each other.

Abstract: There is provided a robot arm that includes a proximal unit and a distal unit configured to be connected to the proximal unit, the proximal unit having a multiple-connection interface connectable to a plurality of types of distal units different in shape. The connection interface is provided in an end face of the proximal unit with an annular connection interface disposed concentrically.

Abstract: An articulated robot including a base, an arm supported so as to be rotatable about a predetermined axis with respect to the base and rotatable within a rotational angle range smaller than ±180°, and a hollow shaft that is disposed outside the rotational angle range and stands upward from the base to be parallel to the axis. A cable body is wired from the base to the arm through an inside of the shaft. The articulated robot includes a stopper embedded in a side surface of the shaft, the stopper against which a side surface of the arm rotated beyond the rotational angle range abuts.

Abstract: A machine tool including a base, a slider that is supported to be linearly movable in a direction with respect to the base, a ball screw configured to cause the slider to linearly move with respect to the base, and a chain-like carrier used for wiring a movable wire body between the base and the slider. The carrier is disposed between the base and the slider and curved in a U-shape around an axis extending in a direction in which the base and the slider are apart from each other, one end of the carrier is fixed to the slider and an other end of the carrier is fixed to the base, and a curved portion of the carrier, which is curved in the U-shape, is disposed at a position where the curved portion crosses an extension line of an axis of the ball screw.

Abstract: A method for producing an arm structure in which the arm structure is produced by: forming an arm precursor member having an external shape of the arm structure by, in a state in which a die is closed with a metal pipe member being disposed in a cavity thereof, pressurizing the pipe member with liquid supplied to an inside thereof to cause an external surface of the thus expanded pipe member to be pressed against an inner surface of the cavity; and forming a flange portion to be attached to a driven body by machining at least an end of the formed arm precursor member.

Abstract: This control device includes a force sensor, and a parameter calculation unit for calculating a moving direction for moving a first workpiece, and the position of a workpiece end point when performing force control. An operator causes a robot to bring the workpiece end point of the first workpiece into contact with a corner of a second workpiece. The force sensor detects a force in a period in which the first workpiece is pressed along a pressing direction. The parameter calculation unit calculates the moving direction and the position of the workpiece end point, on the basis of forces detected by the force sensor for a plurality of pressing directions.

Abstract: For the purpose of achieving a further reduction in weight while maintaining strength and of reducing the manufacturing cost, the present invention provides a robot arm including: a long cylindrical arm body; and mounting interface portions that are fixed at both sides of the arm body and that are used to mount the robot arm to another member. At least sections of outer surfaces of the arm body and the mounting interface portions are formed of a resin. A first part that has one of the mounting interface portions and a section of the arm body and a second part that has the other one of the mounting interface portions and a section of the arm body are joined to each other.

Abstract: An I/O unit comprises: a plurality of first-stage-side terminals for connecting to a master unit or another I/O unit; a plurality of second-stage-side terminals that are provided in order to connect to the other I/O unit, and are connected to mutually distinct first-stage-side terminals; and a slave process circuit that performs signal processing and is connected to one of the plurality of first-stage-side terminals and to the second-stage-side terminal connected to that first-stage-side terminal.

Abstract: A master unit for transmitting signals to devices connected to I/O units is divided into: a connector module having a first connector and a main module having a master processing circuit, a second connector, a branch terminal, and a power supply part. The second connector and the master processing circuit are connected by first connection terminals provided to the connector module and the main module.

Abstract: Provided is a control device for a synchronous motor, the control device including a DC excitation command generation unit which generates a command for sending a DC current with a fixed current phase to a synchronous motor, and controls the magnitude of the DC current so as to apply deceleration torque to a rotor of the synchronous motor on the basis of at least one among the angular acceleration and the angular velocity of the rotor; and a magnetic pole position acquisition unit that acquires, as information indicating the magnetic pole position, the angular position of the rotor based on the output signal when a predetermined detection end condition is satisfied.

Abstract: An I/O unit comprises: two front-stage terminals; a slave processing circuit; two rear-stage terminals; and a selection circuit for selecting whether to connect the front-stage terminal and the rear-stage terminal, and the front-stage terminal and the rear-stage terminal, or to connect the front-stage terminal and the rear-stage terminal, and the front-stage terminal and the rear-stage terminal. The selection circuit connects to the rear-stage terminal via the slave processing circuit.

Abstract: An operation system for industrial machinery comprises: an information acquisition unit which acquires machine identification information corresponding to an industrial machine; a machine identification unit which identifies the industrial machine on the basis of the acquired machine identification information; a model projection unit which projects a model corresponding to the identified industrial machine into a virtual space; a distance/direction calculation unit which calculates the distance and direction, of a user observing the model, with respect to the projected model; a gesture observation unit which observes the gesture of the user as an instruction from the user to the identified industrial machine; an instruction determination unit which determines whether or not a user can give an instruction; and an operation instruction unit which operates the identified industrial machine on the basis of the observed gesture of the user, when the determination result is positive.

Abstract: An image processing system that detects a picture of an object from an image in which the object is captured includes: a first detector that detects a picture of the object from the image based on a model pattern representing a feature of the picture of the object; a learning device that learns a learning model using the image used for detection by the first detector as input data, and using a detection result by the first detector as training data; and a second detector that detects the picture of the object from the image based on the learning model learned by the learning device.

Abstract: An I/O unit comprises: a preceding stage-side mainstream terminal and a preceding stage-side branch terminal that are connected to preceding-stage master units; a next stage-side branch terminal that is connected to the preceding-stage branch terminal and connected to another I/O unit; a slave processing circuit that is connected to the preceding stage-side branch terminal and the next stage-side branch terminal; and a next stage-side mainstream terminal connected to the preceding stage-side mainstream terminal and a master unit in the next stage.

Abstract: This positioner comprises: a first member; a rotating table supported to rotate about an axis relative to the first member; a motor that is parallel to and offset from the axis and drives the rotating table; a reducer disposed between the first member and the rotating table, reducing the rotation of the motor and transmitting the reduced rotation to the rotating table; and a power cable for supplying power to the rotating table. The first member and the reducer are provided with a hollow section passing therethrough. A current collector brush is attachable to and detachable from one end of the power cable. The power cable extends, from the first member in a direction away from the rotating table. After being bent into a U-shape, the power cable passes through the hollow section along the axis, and one end of the power cable is detachably secured to the rotating table.