Seiko Epson Corporation

Ryosuke Imai

Masaki Motoyoshi

Toshinori Hiraide

Tetsuya Kawase

A motor control angle sensor includes a sensor that outputs a signal according to driving of a motor, an arithmetic processing unit, a motion history temporary memory unit, and a motion history storage unit, wherein the arithmetic processing unit generates position information data containing a position of the motor acquired based on the signal output from the sensor and a time when the position is acquired, repeats processing of storing the generated position information data in the motion history temporary memory unit, and, when an abnormality is sensed or a signal reporting an abnormality is received from an external apparatus, stores the position information data stored in the motion history temporary memory unit in the motion history storage unit.

Motor control angle sensor, motor control system, and control method for motor control angle sensor

A robot system includes a robot having an arm pivoting about a pivot axis (first pivot axis), a motor (first motor) pivoting the arm, a shaft (spline shaft) coupled to the arm and moving in an axial direction of a linear motion axis parallel to the pivot axis, and an inertial sensor provided in the arm or shaft, and a control apparatus having a control unit controlling the motor, wherein the inertial sensor detects an angular velocity about a roll axis orthogonal to the pivot axis and the linear motion axis or an acceleration in a tangential direction of a circle around the roll axis, and the control unit controls the motor based on information representing a pivot direction of the arm about the roll axis when the arm stops or decelerates and output from the inertial sensor.

Robot system, control apparatus, and control method

A robot system includes a robot having an arm including a first arm coupled to a base and pivoting about a first pivot axis and a second arm coupled to the first arm and pivoting about a second pivot axis parallel to the first pivot axis, and a first motor pivoting the first arm about the first pivot axis, and a control apparatus having a first motor control unit that controls the first motor. The robot has an inertial sensor that detects an angular velocity about a roll axis of the arm or an acceleration in a tangential direction of a circle around the roll axis, and the first motor control unit controls the first motor based on the angular velocity or acceleration.

A control device controlling a robot including a robot arm, a drive section causing the robot arm to pivot around a pivot axis, a shaft that is provided at a position of the robot arm different from the pivot axis and that moves parallel to the pivot axis, and an angular velocity sensor that is provided in the robot arm and that detects angular velocity around an axis orthogonal to an axial direction of the pivot axis and parallel to a plane including the pivot axis and an axis of the shaft, the control device includes a processor that is configured to control the robot, wherein the processor is configured to perform feedback control on the drive section based on the angular velocity.

Control device, robot, and robot system

A control device for controlling a robot including an arm driven via a reduction gear by a motor generating a drive force, the control device comprising a processor that is configured to execute computer-executable instructions so as to control a robot, wherein the processor is configured to perform speed control on the arm by using an input detection value from an input position detection sensor which detects an input side operation position of the reduction gear, and an output detection value from an output position detection sensor which detects an output side operation position of the reduction gear.

Control device and robot system

A SCARA robot includes a first arm configured to be moved in a direction different from a gravity direction; a first motor configured to drive the first arm; a first speed reducer, an input shaft of which is connected to the first motor and an output shaft of which is connected to the first arm; and a first output-side angle sensor configured to detect an operating position on an output side of the first speed reducer, wherein the first motor is controlled on the basis of an output of the first output-side angle sensor.

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Matsumoto, Japan

Ryosuke Imai