Abstract: A misfire determination apparatus for an internal combustion engine including a rotational speed detector detecting a rotational speed of an engine and a microprocessor. The microprocessor is configured to perform calculating a misfire parameter having a correlation with a change amount of the rotational speed in a combustion stroke of each of a plurality of cylinders and increasing as an increase amount of the rotational speed is large based on the rotational speed detected by the rotational speed detector, and determining that a single-cylinder misfire has occurred when the misfire parameter is less than a first predetermined value, while determining that the single-cylinder misfire or a multi-cylinder misfire has occurred when the misfire parameter is less than a second predetermined value greater than the first predetermined value.

Abstract: A robot includes a base and a robot main body. The robot main body includes a plurality of structural members driven by a plurality of actuators. The base includes a housing into which a control cable drawn, a first opening portion provided on a lower surface of the housing, and a second opening portion provided on a side surface of the housing. The first opening portion is configured capable of selectively attaching/detaching either one of a first connector plate including a connector to which a tip end portion of the control cable can be attached and a first lid portion not including the connector. The second opening portion is configured capable of selectively attaching/detaching either one of a second connector plate including a connector to which a tip end portion of the control cable can be attached and a second lid portion not including the connector.

Abstract: A robot device includes a robot and a controller. The robot includes a base, an arm body, and a plurality of actuators. The arm body comprises a multi joint structure composed of a plurality of arm elements. The plurality of actuators is configured to drive the plurality of arm elements. The controller is configured to control operations of the plurality of actuators. Each of the plurality of arm elements includes a frame member and an elastic outer skin. The frame member is configured to constitute a support structure at least for gravity. The elastic outer skin is constituted by an elastic body and arranged so as to form a surface outer skin of the arm element while covering the frame member.

Abstract: The disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft to which a roller gear cam is provided and an output shaft to which cam followers configured to sequentially engage with the roller gear cam is provided on an outer periphery, extending along a direction orthogonal to the input shaft, and is configured to employ one of a field system or an armature as a rotator and the other of the field system or the armature as a stator, including a rotating shaft that is fixed to the rotator and integrally formed as a single shaft with the input shaft of the reduction device.

Abstract: A robot apparatus includes an arm that includes an outer skin and a detector that detects the deformation of the outer skin. The detector includes a sending unit that sends a signal, a receiving unit that receives the signal, and a transmission route that is provided along the outer skin so as to lead the signal. The detector detects the deformation of the outer skin based on whether a signal reaches the receiving unit.

Abstract: A robot system according to embodiments includes a robot including an arm, and a work table. On the work table, an object used for work performed by the robot by using the arm is placed. The arm of the robot includes a first arm portion, a second arm portion, and a third arm portion. The first arm portion supports an end effector to be rotatable about a first rotation axis at a distal end thereof. The second arm portion supports a base end of the first arm portion to be swingable about a second rotation axis substantially perpendicular to the first rotation axis. The third arm portion supports a base end of the second arm portion to be swingable about a third rotation axis substantially perpendicular to the second rotation axis.

Abstract: This disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft and an output shaft and employs one of a field system and an armature as a rotor and the other of the field system and the armature as a stator, including a rotating shaft to which the rotor is fixed and that is coaxially connected to the input shaft of the reduction device, and a bearing support member configured to support bearings that rotatably support the input shaft of the reduction device, wherein the stator is provided to the bearing support member.

Abstract: A robot apparatus includes an arm that includes an outer skin and a detector that detects the deformation of the outer skin. The detector includes a sending unit that sends a signal, a receiving unit that receives the signal, and a transmission route that is provided along the outer skin so as to lead the signal. The detector detects the deformation of the outer skin based on whether a signal reaches the receiving unit.

Abstract: A robot includes an arm body. The arm body includes a multi-joint structure. A motor is configured to generate a rotation driving force for driving specific ones of arm elements. A brake device comprises a brake shaft arranged in parallel with a motor shaft. A reduction device is configured to reduce a speed of rotation of the motor shaft and to transmit the rotation to the specific arm elements. A first transmission mechanism includes a first brake pulley provided on the brake shaft, a motor pulley provided on the motor shaft, and a first belt wound between the first brake pulley and the motor pulley. A second transmission mechanism includes a second brake pulley provided on the brake shaft, a reduction device pulley provided on the input shaft of the reduction device, and a second belt wound between the second brake pulley and the reduction device pulley.

Abstract: A robot includes a plurality of arm elements, a joint portion, and a motor. The joint portion is configured to connect the adjacent arm elements to each other so that they are movable with respect to each other. The motor is configured to generate a driving force to the joint portion. The outer shell of the motor is connected to the arm element, capable of transmitting stress to the arm element, and the motor is connected to the arm element or the joint portion, capable of transmitting stress to the arm element or the joint portion.

Abstract: A robot device includes a robot and a controller. The robot includes a base, an arm body, and a plurality of actuators. The arm body comprises a multi joint structure composed of a plurality of arm elements. The plurality of actuators is configured to drive the plurality of arm elements. The controller is configured to control operations of the plurality of actuators. Each of the plurality of arm elements includes a frame member and an elastic outer skin. The frame member is configured to constitute a support structure at least for gravity. The elastic outer skin is constituted by an elastic body and arranged so as to form a surface outer skin of the arm element while covering the frame member.

Abstract: A robot includes a base, an arm portion, and a wrist portion with a multi-joint structure. The wrist portion includes a first wrist element, a second wrist element, a third wrist element, a first bevel gear set, and a second bevel gear set. The first wrist element is supported around a first axis line orthogonal to a longitudinal direction of the wrist portion. The second wrist element is supported swingably around a second axis line orthogonal to the longitudinal direction of the wrist portion. The third wrist element is supported rotatably around a third axis line along the longitudinal direction of the wrist portion. The first bevel gear set is configured to reduce a rotation speed of a first driving motor driving the first wrist element. The second bevel gear set is configured to reduce a rotation speed of a second driving motor for driving the second wrist element.

Abstract: A robot includes a base and a robot main body. The robot main body includes a plurality of structural members driven by a plurality of actuators. The base includes a housing into which a control cable drawn, a first opening portion provided on a lower surface of the housing, and a second opening portion provided on a side surface of the housing. The first opening portion is configured capable of selectively attaching/detaching either one of a first connector plate including a connector to which a tip end portion of the control cable can be attached and a first lid portion not including the connector. The second opening portion is configured capable of selectively attaching/detaching either one of a second connector plate including a connector to which a tip end portion of the control cable can be attached and a second lid portion not including the connector.

Abstract: This disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft and an output shaft and employs one of a field system and an armature as a rotor and the other of the field system and the armature as a stator, including a rotating shaft to which the rotor is fixed and that is coaxially connected to the input shaft of the reduction device, and a bearing support member configured to support bearings that rotatably support the input shaft of the reduction device, wherein the stator is provided to the bearing support member.

Abstract: The disclosure discloses a rotating electrical machine that is integrally formed with a reduction device having an input shaft to which a roller gear cam is provided and an output shaft to which cam followers configured to sequentially engage with the roller gear cam is provided on an outer periphery, extending along a direction orthogonal to the input shaft, and is configured to employ one of a field system or an armature as a rotator and the other of the field system or the armature as a stator, including a rotating shaft that is fixed to the rotator and integrally formed as a single shaft with the input shaft of the reduction device.