Mitsubishi Electric Corporation

Yukihiro Iuchi

Tomonori Sato

Daisuke Fujino

Tatsuya Ito

Tomoya Fujita

Goh Sato

Toshiaki Kimata

Naoki Nakamura

Kenji Nishiwaki

Kenji Okuma

Masaki Ryu

Shunro Ono

Susumu Hamamoto

A machine learning apparatus for learning a correction parameter used in correction of a command value that controls a motor in a motor drive system including a plurality of kinds of correction functions includes: a state observation unit that observes, as a state variable, each of a feature calculated on the basis of drive data and the kind of any of the correction functions of the motor drive system and the correction parameter; and a learning unit that learns the correction parameter for each of the correction functions according to a training data set created on the basis of the state variable.

Machine learning correction parameter adjustment apparatus and method for use with a motor drive control system

A numerical control apparatus includes: a program input unit that reads a tool distal end position and a tool posture and generates designated position sequences of the linear axis and designated position sequences of the rotation axis; a distal-end-position-curve generating unit that generates a tool distal end position curve concerning the tool distal end position; a tool-posture-curve generating unit that generates a tool posture curve concerning the tool posture associated with movements of the tool distal end position; an interpolation calculating unit that calculates an interpolation point of the tool distal end position, calculates an interpolation point of the tool posture, and calculates an interpolation point of a machine position of the linear axis; and an interpolation output unit that moves the linear axis to the calculated interpolation point of the machine position and moves the rotation axis to the calculated interpolation point of the tool posture.

Numerical control apparatus for multi-axial machine

In a numerical control devicewhich controls positions of respective axes of a machine tool according to a machining program, a commandinstructed to the machining programis analyzed by an analyzing unit, thereby obtaining movement dataand a movement type, an acceleration-deceleration data selection unitselects acceleration-deceleration dataaccording to the movement type, and an interpolation and acceleration-deceleration unitgenerates a position commandby performing an interpolation on a movement route, which is instructed to the movement data, according to a command speed and performing acceleration-deceleration according to the acceleration-deceleration data

Numerical control device

A numerical control device () of a machine tool capable of controlling its spindle rotating speed includes: a program analyzing unit () that reads ahead a machining program () by one block or more and analyzes a command for the machine tool; and a command determining unit () that determines, based on a result analyzed by the program analyzing unit (), whether a command posterior to a spindle control command causes any machining problem when the command is executed during a spindle rotating speed change, outputs a first command, in which some problem occurs in the machining, after the spindle rotating speed reaches the commanded rotating speed, and output a second command, which is other than the first command, before the spindle rotating speed reaches the commanded rotating speed.

A numerical control device has: a program reading unit reading a machining program; an inclined-surface setting unit setting an inclined-surface coordinate system regarding an inclined surface; an indexing-angle generating unit calculating an indexing angle where a tool used for machining of the inclined surface is oriented perpendicular to the inclined surface, and generating a move command. The program reading unit outputs an inclined-surface setting command instructing setting of the inclined-surface coordinate system, an inclined-surface indexing command instructing calculation of the indexing angle, and a tool selection command instructing selection of any of tools respectively having different mounting angles. The inclined-surface setting unit sets the inclined-surface coordinate system according to the inclined-surface setting command. The indexing-angle generating unit calculates, according to the inclined-surface indexing command, the indexing angle regarding the tool that is selected according to the tool selection command.

A numerical control apparatus includes a program analyzing unit configured to pre-fetch a tool replacement command and a post-replacement positioning command from a machining program and output these commands, a tool-replacement-command output unit configured to cause, based on the tool replacement command, a machine tool to execute a tool replacing operation, and a movement-command determining unit and an interpolating unit configured to start, when the post-replacement positioning command is an axis component command for positioning an axis related to the tool replacing operation, control of the axis based on the axis component command, after waiting for completion of the tool replacing operation, and start, when the post-replacement positioning command is an axis component command for positioning an axis unrelated to the tool replacing operation, control of the axis based on the axis component command, without waiting for the same.

Numerical control apparatus

A numerical control device for a working machine capable of controlling a tool posture relative to a workpiece using rotational driving of a rotary drive axis about a machine control point includes: an interpolation unit that performs an interpolation process on moving data generated from a machining program and outputs a position of the machine control point for each interpolation point; a coordinate transformation unit that transforms a position of the machine control point to a tool tip-point position; a stroke-limit determination unit that determines whether the position of the machine control point and the tool tip-point position fall within a range of a movable region, and selects and outputs a stroke limit signal indicating a stroke limit and a tool-posture changing command for instructing change of the tool posture; and a tool-posture changing unit that changes the tool posture in response to the tool-posture changing command.

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Tokyo, Japan

Yukihiro Iuchi