Omron Corporation

Tetsuya Akagi

Kazunori Osako

Minoru Hashimoto

Satoru Shimokawa

Ryuichi Jimbo

Toshiyuki Higuchi

Yoshiharu Tani

Kazuma Mishima

Kiyoshi Imai

Toshinori Sato

Teruyuki Nakayama

Xiaoguang Ning

Takayoshi Takahara

Ikuo Matsukawa

Shunkichi Sasaki

Kazushige Matsuoka

Kazuhiro Kudo

Daichi Kamisono

Tatsuya Iida

Takeshi Shoji

Fumihiko Misumi

Tsuyoshi Matsumoto

Yasushi Miyake

Takao Uemura

Taku Yamamoto

Shunsuke Ito

Masatoshi Takeshima

A technique shortens the time taken to adjust a protection area. An area setting device includes a setting unit that sets a protection area in at least a part of a surrounding environment of a robot to detect an entry of an object, an obtainer that obtains surrounding information about the robot, and a storage prestoring a set value for the protection area and the surrounding information associated with each other. The setting unit sets the protection area based on the set value read from the storage.

Area setting device, rack, control system, area setting method, and non-transitory computer readable medium storing program

A control system () includes: a control device () that controls a robot (); a three-dimensional sensor () that acquires positional information of a worker and the robot (), which are included in a viewing-field area in a three-dimensional space; and a support device () that provides a user interface () for virtually setting a cooperation region in which the worker and the robot () are allowed to work. The control device () controls stopping or the speed of the robot () on the basis of whether or not the position of the worker or the robot () calculated on the basis of the positional information is included in the cooperation region, which is set by using the user interface (), as well as the relative positional relationship between the worker and the robot () calculated on the basis of the positional information.

Control system, control method, and control unit

A highly reliable determination device to determine the distance to an object even if general-purpose optical distance measurement modules or the like are used. The determination device determines that an abnormality has occurred in at least one of a plurality of optical distance measurement modules when the distances respectively indicated by the optical distance measurement modules deviate from each other by a predetermined length or more.

Determination device and control method of determination device

This motor control devices provided with: a motor control unit which generates a command value on the basis of a motor drive command acquired from a PLC over a communication line; a drive unit which supplies motor drive voltage according to the command value; an interruption unit which interrupts transmission of the drive signal to the motor; a safety input unit which receives an emergency stop input operation over a control signal line; a reset input unit which receives a reset input operation; a determination unit which determines whether or not safety is maintained on the basis of input to the safety input unit; and a safety control unit which, when the safety input unit receives an emergency stop input operation, performs interruption processing of the drive signal through the interruption unit, and when the reset input unit receives a reset input operation, performs restart processing if safety is maintained.

Motor control device

This motor control device is provided with a motor control unit which, on the basis of an operation command signal for driving the motor and a feedback signal from the encoder corresponding to motor operation, generates a command value relating to operation of the motor in accordance with a prescribed feedback method such that operation of the motor follows the operation command signal. The occurrence of an error is determined on the basis of the result of comparing a prescribed feedback value, which is calculated from the feedback signal from the encoder, and an operation command value, which is calculated from the operation command signal, and, on the basis of this determination result, interruption processing of the drive signal is performed. By means of this configuration, it is possible to improve safety performance of the motor control device without hampering the safety performance of the encoder.

This motor control device is provided with a motor control unit which, on the basis of an operation command signal for driving the motor and a feedback signal from the encoder corresponding to motor operation, generates a command value relating to operation of the motor in accordance with a prescribed feedback method such that operation of the motor follows the operation command signal. Interruption processing of the drive signal is performed on the basis of the comparison result of a prescribed feedback value, which is calculated from the feedback signal from the encoder, and a control calculation value, which, comparable with a prescribed feedback value, is calculated during the process of generation of the command value by the motor control unit. By means of this configuration, it is possible to improve safety performance of the motor control device without hampering the safety performance of the encoder.

A motor control device comprising a motor control unit that, on the basis of an operation command signal for driving a motor and a feedback signal, from an encoder, corresponding to the operation of the motor, generates a command value pertaining to the operation of the motor in accordance with a prescribed feedback scheme so that the operation of the motor follows the operation command signal, wherein interrupt processing of a drive signal is executed by an interrupt unit on the basis of a comparison result of two items pertaining to a prescribed feedback value calculated using the feedback signal from the encoder, and to a state calculation value that is calculated on the basis of the operation command signal and that pertains to an operating state of the motor comparable with the prescribed feedback value.

A safety control device, a method of controlling safety control device, and a recording medium are provided. A detection zone in which the safety of an operator can be secured and a decrease in an operation rate of a machine can be minimized is set. A safety controller sets a detection zone for executing a safety operation when it is determined that an operator has entered for each operator.

Safety control device, method of controlling safety control device, and recording medium

A monitoring system, a monitoring device, and a monitoring method are provided. The monitoring system includes a detection part that detects a position of a worker intruded into a work area, a first specifying part that specifies a worker movable area on the basis of a position of the worker, an image capturing part that captures an image of an area including at least the worker movable area and a predetermined robot occupied area, a second specifying part that specifies a robot movable area from the image of the area, a third specifying part that specifies a human body area of the worker from the image of the area, a measuring part that measures the distance between the robot movable area and the human body area, and a restricting part that restricts movement of the robot when the distance is equal to or less than a predetermined distance.

Monitoring system, monitoring device, and monitoring method

A monitoring system, a monitoring device, and a monitoring method that can facilitate designing of a working environment are provided. Positions of a worker and a robot in a three-dimensional space are specified, at least one protection area to secure safe work of the worker and the robot is set, whether at least one of the worker and the robot intrudes into the protection area is determined, the motion of the robot is limited when at least one of the worker and the robot intrudes into the protection area, a protection area for executing the determination is being switched from multiple set protection areas, and it is possible to set the protection area when the worker works in a common area in which a work area of the worker and a work area of the robot overlap and set the protection area when the robot works in the common area.

A door switch includes a casing, a cam, the cam being caused to operate by manipulation of a manipulation key, and a detection unit for detecting an operating state of the cam. The casing houses at least a part of the cam and the detection unit. The cam is configured to be caused to operated by insert manipulation of inserting the manipulation key into the casing when the manipulation key has a shape adapted to a shape of the cam, and not to be caused to operate by the insert manipulation when the manipulation key does not have a shape adapted to the shape of the cam. The door switch can be adapted to Category 2 of ISO 13849-1.

Switch

To provide a multi-optical axis photoelectric sensor and a multi-optical axis photoelectric sensor system, which enable function setting by an extremely simple operation, and further make it unnecessary to increase the size of a housing or to separately prepare a PC or a function setting tool. The multi-optical axis photoelectric sensor has: a columnar housing, from one end of which in the longitudinal direction an electric cord is pulled out, and at the other end of which in the longitudinal direction a plug-in type socket is provided, and a plug piece detachably attachable to the socket of the columnar housing. Particular information to serve as a function determining element on the columnar housing side is incorporated in the plug piece in a manner referenceable from a processing circuit on the columnar housing side via the socket. Further, the processing circuit on the columnar housing side is set so as to determine a function based upon particular information in the plug piece referenced via the socket.

Multi-optical axis photoelectric sensor system

The present invention provides a multiple-optical-axis photoelectric sensor in which an error in detection of an object caused by disturbance light is prevented easily and efficiently by adjusting a light projection/reception cycle in accordance with a state where mutual interference is recognized. In the invention, by detecting a range in which mutual interference occurs, that is, the position in which disturbance light is detected, which is either a first-half period or a latter-half period of a whole light projecting/receiving operation period, whether the phase is advanced or delayed is determined. For a period according to the position of the optical axis in which incidence of disturbance light is recognized or the number of optical axes in which incidence of disturbance light is recognized continuously, a scheduled next sync timing is changed.

Multiple-optical-axis photoelectric sensor

A multi-beam photoelectric sensor is disclosed which can be fabricated by selecting the length of a light projection/light-receiving columnar member and the number and pitches of optical axes in accordance with the width of a hazardous area of an object or the diameter of the minimum object to be detected. A projector string or a photo-detector string includes an optical module string having an alignment of a plurality of optical modules with an optical system for one optical axis, a light projection circuit for one optical axis and a plurality of flip-flops corresponding to one stage of a shift register, integrated with each other, and a flat cable. The flip-flops in the adjacent optical modules are connected in cascade by the adjacent module conduction wires thereby to make up a shift register. The optical modules making the optical module string are sequentially activated by the data sequentially sent by the shift register.

Area monitoring multi-beam photoelectric sensor

An optical multi-axis optoelectronic sensor, in which a phototransmitting sensor head having a plurality of phototransmitters arranged thereon and a photoreceiving sensor head having a plurality of photoreceivers arranged thereon are disposed opposite to each other, comprises: first device for inputting distance data equivalent to a distance between the sensor heads; second device for determining detection sensitivity based on the distance data input by the first device; and third device for setting the detection sensitivity determined by the second device.

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Kyoto, Japan

Tetsuya Akagi