Abstract: Various factors may cause an error between the shape of a workpiece machined by an industrial machine and the target shape of the workpiece. An image analysis device includes a first image generating section that generates first image data indicating a first distribution of locations on a workpiece of an error between a shape of the workpiece machined by an industrial machine and a pre-prepared target shape of the workpiece; a second image generating section that generates second image data indicating a second distribution of locations on the workpiece of an error between a command transmitted to the industrial machine for machining the workpiece and feedback from the industrial machine corresponding to the command; and a correlation acquisition section that obtains a correlation between the first distribution and the second distribution, based on the first image data and the second image data.

Abstract: Provided is a technique capable of detecting an abnormality of an industrial machine when performing full-closed control on one axis by a plurality of motors in the industrial machine.

Abstract: Provided is a display device that can automatically identify and display a vibration site and a vibration axis using empty processing.

Abstract: A motor control device includes: a position command section configured to generate a position command for a control object; a position detecting section configured to detect a position of the control object or a position of a motor configured to drive the control object; and a position control section configured to control a position of the motor based on the position command and the detected position of the control object or the motor, in which at least one of the position command section and the position control section includes a vibration suppression filter configured to approximate a reverse characteristic of a vibration characteristic generated between the motor and the control object, and the vibration suppression filter changes a vibration suppression frequency according to at least one of the position and a mass of the control object.

Abstract: A spindle vibration measuring system which measures vibration of a spindle in a machining device that performs a cutting or abrading process on a workpiece. The machining device has a workpiece holder that holds the workpiece, the spindle that holds a tool, and a moving mechanism that relatively moves the workpiece holder and the spindle. The spindle vibration measuring system acquires positional variation data or vibration data of the moving mechanism when the spindle rotates, and a result related to vibration of the spindle to output or store based on the positional variation data or the vibration data.

Abstract: A control device includes: a command generating unit that generates a command for a motor, a correction-amount calculating unit that performs correction-amount calculation processing for calculating a correction amount for the command on the basis of elastic parameters of elastic elements; and a stage detecting unit that detects the fact that a transition has been made from a first stage in which a driving force generated by the motor acts on the first elastic element to a second stage in which the driving force acts on the second elastic element via the first elastic element. When the transition from the first stage to the second stage is detected, the correction-amount calculating unit switches from first correction-amount calculation processing based on the first elastic parameter of the first elastic element to second correction-amount calculation processing based on the second elastic parameter of the second elastic element and the first elastic parameter.

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: The present invention addresses the problem of, when an abnormality has occurred in one detector, switching to feedback control based on a detector in which an abnormality has not occurred. This motor control device 100 is provided with a first abnormality detection unit 115 that detects an abnormality in a separate detector 154 as the detector or a feedback cable 1541 thereof, a second abnormality detection unit 116 that detects an abnormality in an encoder 151 of a motor as the detector or a feedback cable 1511 thereof, and a switching unit 111 that switches from full-closed control to semi-closed control, or to control using only the separate detector. When either of the first abnormality detection unit 115 or the second abnormality detection unit 116 has detected an abnormality, the switching unit 111 switches to control using only any detector in which an abnormality has not occurred.

Abstract: An object is to make it possible to acquire a parameter or a first physical quantity that has been learned and an evaluation function value and thereby check the progress or the result of machine learning. An output device includes: an information acquisition unit which acquires, from a machine learning device that performs machine learning on a servo control device for controlling a servo motor driving the axis of a machine tool, a robot or an industrial machine, a parameter or a first physical quantity of a constituent element of the servo control device that is being machine learned or has been machine learned and an evaluation function value; and an output unit which outputs information indicating a relationship between the acquired parameter, the first physical quantity or a second physical quantity determined from the parameter and the evaluation function value.

Abstract: Provided is a control device capable of automatically determining whether or not an inertia estimation function needs to be activated. The control device 10 is for an electric motor and comprises: a first inertia estimation unit 11 that estimates whether or not there has been a change in the inertia of an object to be driven, on the basis of at least one among first information pertaining to an operation program or operation settings for a device comprising the electric motor, second information obtained from a detection device for detecting the shape of the object to be driven by the electric motor, and third information indicating the operation state of the electric motor; and a second inertia estimation unit 12 that estimates the inertia of the object to be driven if the first inertia estimation unit 11 has estimated that there has been a change in the inertia of the object to be driven.

Abstract: The present invention addresses the problem of providing a display device with which it is possible to display a location in a machining path at which a step occurs that is large enough to affect machining precision without actual machining, and to be able to accurately and at low cost predict the occurrence of the step in the machining path. The problem can be resolved with a display device with which: time-series data is acquired for the position of a driven body or an electric motor on each axis of a machine tool; machining paths are calculated based on the acquired time-series data for the position of the driven body or electric motor on each axis; based on the calculation result for the machining paths, a height reference plane is set for each machining path; the heights from the reference planes of adjacent machining paths are compared; and the locations on the machining paths in which height differences occur that are greater than or equal to a set threshold value are displayed.

Abstract: Regarding a backlash amount measurement system provided in the servo control device of the drive motor of machine tools and industrial machines, a technical problem is to accurately measure the backlash amount at the time of inversion of a drive shaft by means of a backlash amount measurement system having a simpler configuration with a small number of detectors. The above technical problem can be solved by a backlash amount measuring unit equipped with an inversion detection unit which detects the start of inversion of the shaft, an arrival detection unit which detects that the backlash end has been reached from the start of inversion, and a time/distance measurement unit which measures the time from when the inversion detection unit detects the start of inversion until the arrival detection unit detects that the backlash end has been reached, or the movement distance.

Abstract: A control device includes a feedback acquisition section that acquires a feedback value from an industrial machine driven by an operation of an electric motor, a correction section that corrects a command for operating the electric motor, based on the feedback value, a filter section that performs, on the feedback value to be supplied to the correction section, filtering for reducing a value in a frequency band predetermined, a driving state determination section that determines whether or not a driving state of the industrial machine is changed, and a filter switching section that switches the frequency band of the filtering to be performed by the filter section from a first frequency band to a second frequency band, when the driving state is determined to be changed.

Abstract: This display device comprises a determination unit and a display unit 18. The determination unit monitors the trajectory difference between an actual trajectory and a trajectory in a machining program for a spindle, and: determines, with regard to a site at which the trajectory difference is small and the actual speed of the spindle is small relative to the maximum value setting for a command speed, whether accuracy can be maintained even if the command speed is increased; and/or determines, with regard to a site at which the trajectory difference is small and the actual acceleration of the spindle is small relative to the maximum value setting for a command acceleration, whether accuracy can be maintained even if the command acceleration is increased. The display unit 18 displays the site in a highlighted manner.

Abstract: The invention provides a servomotor controller that makes it possible to reduce compensation delay even when a dead band is provided. The servomotor controller includes a motion acquiring unit that acquires a motion of the servomotor, an acceleration amount acquiring unit that acquires an acceleration amount of the servomotor, a compensating unit that compensates a motion of the servomotor, and a compensation start determining unit that determines a start of the compensation by the compensating unit responsive to the motion of the servomotor, wherein the compensation start determining unit has a dead band unit that sets a dead band range which is a range of a predetermined value relative to the motion of the servomotor, and the dead band unit changes the dead band range based on the acceleration amount acquired by the acceleration amount acquiring unit.

Abstract: The present disclosure is intended to enable a user to grasp a state of load on an arithmetic processing unit (100, 200) so that the user can stop an excessive function of the arithmetic processing unit (100, 200), or can transfer part of arithmetic processes to another arithmetic processing unit (100, 200) with a small load. Included are the arithmetic processing unit (100, 200) that executes a plurality of processes related to servo control processing; and an observation unit (300) that determines at least one of point-of-time information about start of each of the processes executed by the arithmetic processing unit or point-of-time information about end of each of the processes executed by the arithmetic processing unit; and an output unit (400) that calculates information about usage of the arithmetic processing unit based on the point-of-time information determined by the observation unit, and outputs the calculated information.

Abstract: A machine learning device which performs machine learning to optimize at least one of a coefficient of a filter and a feedback gain, the machine learning device comprising: a state information acquiring unit which acquires state information including the at least one of the coefficient and the feedback gain and including input/output gain and input/output phase delay of a servo control device; an action information output unit which outputs action information including adjustment information for the at least one of the coefficient and the feedback gain; a reward output unit which obtains and outputs a reward on the basis of whether a Nyquist plot calculated from the input/output gain and the input/output phase delay passes through the inside of a closed curve; and a value function updating unit which updates a value function on the basis of the value of the reward, the state information, and the action information.

Abstract: Various factors may cause an error between the shape of a workpiece machined by an industrial machine and the target shape of the workpiece. An image analysis device includes a first image generating section that generates first image data indicating a first distribution of locations on a workpiece of an error between a shape of the workpiece machined by an industrial machine and a pre-prepared target shape of the workpiece; a second image generating section that generates second image data indicating a second distribution of locations on the workpiece of an error between a command transmitted to the industrial machine for machining the workpiece and feedback from the industrial machine corresponding to the command; and a correlation acquisition section that obtains a correlation between the first distribution and the second distribution, based on the first image data and the second image data.

Abstract: A plurality of evaluation functions and a machine learning result of each of the evaluation functions are output so that a relation between the evaluation function and the learning result can be ascertained. An output device includes: an output unit that outputs a plurality of evaluation functions used by a machine learning device that performs machine learning of parameters of components of a servo control device that controls a servo motor that drives an axis of a machine tool, a robot, or an industrial machine and a machine learning result of each of the evaluation functions; and an information acquisition unit that acquires the machine learning result from at least one of the servo control device and the machine learning device.

Abstract: Provided is a control device capable of automatically determining whether or not an inertia estimation function needs to be activated. The control device 10 is for an electric motor and comprises: a first inertia estimation unit 11 that estimates whether or not there has been a change in the inertia of an object to be driven, on the basis of at least one among first information pertaining to an operation program or operation settings for a device comprising the electric motor, second information obtained from a detection device for detecting the shape of the object to be driven by the electric motor, and third information indicating the operation state of the electric motor; and a second inertia estimation unit 12 that estimates the inertia of the object to be driven if the first inertia estimation unit 11 has estimated that there has been a change in the inertia of the object to be driven.