Abstract: A diagnosis device includes a first acquiring unit acquires, from a target device, context information corresponding to a current operation; a second acquiring unit acquires detection information output from a detecting unit that detects a physical quantity that changes according to operations performed by the target device; a first transmitting unit transmits the acquired context information to a learning device; a second transmitting unit transmits the acquired detection information to the learning device; a third acquiring unit acquires a model corresponding to the transmitted context information, from the learning device that determines whether any pieces of context information are identical or similar to each other and combines models generated from pieces of the detection information corresponding to the pieces of identical or similar context information; and a first determining unit determines whether an operation performed by the target device is normal by using the detection information and the model

Abstract: A communication device includes a first communication unit configured to perform communication using a first scheme; a second communication unit configured to perform communication using a second scheme; a first acquirer configured to acquire, through communication using the second scheme, first information that indicates an area that allows communication using the first scheme in a first area for communication using the first scheme; a second acquirer configured to acquire second information that indicates an area that allows communication using the first scheme in an acoustic communication area; a comparator configured to compare the first information with the second information to determine whether a current position is within the area indicated by the first information; and a setupper configured to, when the current position is within the area, perform a process for establishing a communication line in accordance with the first scheme using setup information.

Abstract: The wheel drive motor according to the invention includes a motor shaft (35) having a large diameter portion (35d) located at a central part in the axial direction and a small diameter portion (35b) located on a first side in the axial direction, a bearing (36b) rotatably supporting the small diameter portion (35b), and a rotor (24) secured to an outer circumferential surface (35j) of the large diameter portion (35d). An end part (24p) of the rotor (24) located on the first side in the axial direction projects over an end face (35e) of the large diameter portion (35d) located on the first side in the axial direction toward the side on which the small diameter portion (35b) is.

Abstract: A diagnosis device includes a first acquiring unit acquires, from a target device, context information corresponding to a current operation; a second acquiring unit acquires detection information output from a detecting unit that detects a physical quantity that changes according to operations performed by the target device; a first transmitting unit transmits the acquired context information to a learning device; a second transmitting unit transmits the acquired detection information to the learning device; a third acquiring unit acquires a model corresponding to the transmitted context information, from the learning device that determines whether any pieces of context information are identical or similar to each other and combines models generated from pieces of the detection information corresponding to the pieces of identical or similar context information; and a first determining unit determines whether an operation performed by the target device is normal by using the detection information and the model

Abstract: A communication device includes: a first communication unit that performs communication with another communication device using a first communication scheme that enables communication in a first range. The first communication unit performs, when having determined that the other communication device received transmitted certain information, communication with the other communication device in a second range that is different from the first range and in which the other communication device is capable of receiving the certain information. The communication device relays communication from the other communication device to another device disposed outside the second range.

Abstract: An in-wheel motor drive device includes: a motor part; a speed reduction part; a wheel bearing part; and a casing, the motor part including: a stator, which is fixed to the casing; a rotation shaft of a motor, which is rotatably supported on the casing through intermediation of a plurality of rolling bearings; and a rotor, which is mounted to the rotation shaft of the motor, the rotation shaft of the motor being configured to rotationally drive an input shaft of a speed reducer, the speed reduction part being configured to reduce a speed of rotation of the input shaft of the speed reducer to transmit the rotation to an output shaft of the speed reducer, the wheel bearing part being connected to the output shaft of the speed reducer, the rotation shaft of the motor being made of case hardening steel and subjected to carburizing, quenching, and tempering.

Abstract: A communication device includes a first communication unit configured to execute radio communication by using a first communication method, the first communication method allowing the radio communication to be executed within a first communication range; a second communication unit configured to execute radio communication by using a second communication method, the second communication method allowing the radio communication to be executed within a second communication range; and a permission processing unit configured to generate communication permission information to permit executing the radio communication by the first communication method, wherein the second communication unit is configured to receive setting information for establishing the radio communication by the first communication method, and wherein the first communication unit is configured to execute the radio communication by using the first communication method with another communication device that receives the setting information and the c

Abstract: Provided is an in-wheel motor drive device, including a casing configured to hold a motor part, a speed reduction part, and a wheel bearing part, the motor part including; a stator, which is fixed to the casing; a rotation shaft of a motor, which is rotatably supported on the casing through intermediation of rolling bearings; and a rotor, which is mounted to the rotation shaft of the motor. The rolling bearing has a radial internal clearance of from 8 ?m to 25 ?m before being mounted into the motor part. The rotation shaft of the motor is rotatably supported on the casing through intermediation of a plurality of rolling bearings. The rotation shaft of the motor and the rolling bearings configured to support the rotation shaft of the motor are fitted to each other by transition fit or interference fit.

Abstract: A communication device includes: a first communication unit that performs communication with another communication device using a first communication scheme that enables communication in a first range. The first communication unit performs, when having determined that the other communication device received transmitted certain information, communication with the other communication device in a second range that is different from the first range and in which the other communication device is capable of receiving the certain information. The communication device relays communication from the other communication device to another device disposed outside the second range.

Abstract: A communication device includes: a first communication unit that performs wireless communication through a first communication scheme; a second communication unit that performs wireless communication through a second communication scheme in a second communication range; and a connecting module configured to establish a communication connection that forms an external network. The second communication unit transmits setup information for establishing a communication line through the first communication scheme. The first communication unit performs wireless communication through the first communication scheme with another communication device that has received the setup information. The connecting module forms an exclusive external network to establish a communication connection with an external device disposed in a communication system that exists at a physically different place.

Abstract: A communication device includes: a communication unit that performs communication with another communication device in a first range through a first communication scheme; and a detecting unit that detects prescribed information within a second range different from the first range. When the detecting unit detects the prescribed information, the communication unit performs communication with the other communication device within the second range through the first communication scheme.

Abstract: A communication device includes a first communication unit configured to perform communication using a first scheme; a second communication unit configured to perform communication using a second scheme; a first acquirer configured to acquire, through communication using the second scheme, first information that indicates an area that allows communication using the first scheme in a first area for communication using the first scheme; a second acquirer configured to acquire second information that indicates an area that allows communication using the first scheme in an acoustic communication area; a comparator configured to compare the first information with the second information to determine whether a current position is within the area indicated by the first information; and a setupper configured to, when the current position is within the area, perform a process for establishing a communication line in accordance with the first scheme using setup information.

Abstract: Provided is an in-wheel motor drive device, including a casing configured to hold a motor part, a speed reduction part, and a wheel bearing part, the motor part including; a stator, which is fixed to the casing; a rotation shaft of a motor, which is rotatably supported on the casing through intermediation of rolling bearings; and a rotor, which is mounted to the rotation shaft of the motor. The rolling bearing has a radial internal clearance of from 8 ?m to 25 ?m before being mounted into the motor part. The rotation shaft of the motor is rotatably supported on the casing through intermediation of a plurality of rolling bearings. The rotation shaft of the motor and the rolling bearings configured to support the rotation shaft of the motor are fitted to each other by transition fit or interference fit.

Abstract: An in-wheel motor drive device includes: a motor part; a speed reduction part; a wheel bearing part; and a casing, the motor part including: a stator, which is fixed to the casing; a rotation shaft of a motor, which is rotatably supported on the casing through intermediation of a plurality of rolling bearings; and a rotor, which is mounted to the rotation shaft of the motor, the rotation shaft of the motor being configured to rotationally drive an input shaft of a speed reducer, the speed reduction part being configured to reduce a speed of rotation of the input shaft of the speed reducer to transmit the rotation to an output shaft of the speed reducer, the wheel bearing part being connected to the output shaft of the speed reducer, the rotation shaft of the motor being made of case hardening steel and subjected to carburizing, quenching, and tempering.

Abstract: The wheel drive motor according to the invention includes a motor shaft (35) having a large diameter portion (35d) located at a central part in the axial direction and a small diameter portion (35b) located on a first side in the axial direction, a bearing (36b) rotatably supporting the small diameter portion (35b), and a rotor (24) secured to an outer circumferential surface (35j) of the large diameter portion (35d). An end part (24p) of the rotor (24) located on the first side in the axial direction projects over an end face (35e) of the large diameter portion (35d) located on the first side in the axial direction toward the side on which the small diameter portion (35b) is.

Abstract: A cam follower for a rocker arm includes a cylindrical outer ring (11) having an outer circumference surface abutting on a cam, a support shaft (6) to support the outer ring (11), a plurality of rollers (12) arranged in an annular region between the support shaft (6) and the outer ring (11), and a side plate (16) composed of a ring-shaped disk penetrated by the support shaft (6), opposed to an end face (15) of the roller (12), and having an outer diameter Ds smaller than an inner diameter Dr of the outer ring (11). The side plate (16) is arranged at each end of the roller (12), and a relationship Lr<Lk+2t is satisfied in which Lk represents a shaft length of the roller (12), Lr represents a shaft length of the outer ring (11), and t represents a thickness of the side plate (16).

Abstract: Provided is a rolling stock having a car body formed by joining side structures to an underframe, end structures, and a roof structure, the side structures having lower portions inclined toward an inside of the car body, the rolling stock having a structure allowing lower end portions of side posts of the side structures and side beams of the underframe to be securely joined. Side beams 21 in an underframe 20 of a rolling stock and lower end portions of side posts 31 having lower portions inclined toward an inside of a car body are joined by means of joint members 71. Each joint member 71 has a side-beam fixation plate portion fixed to an outer face of the side beam and a side-post fixation plate portion fixed to a side face of a lower end portion of the side post.

Abstract: A communication device includes a first communication unit configured to execute radio communication by using a first communication method, the first communication method allowing the radio communication to be executed within a first communication range; a second communication unit configured to execute radio communication by using a second communication method, the second communication method allowing the radio communication to be executed within a second communication range; and a permission processing unit configured to generate communication permission information to permit executing the radio communication by the first communication method, wherein the second communication unit is configured to receive setting information for establishing the radio communication by the first communication method, and wherein the first communication unit is configured to execute the radio communication by using the first communication method with another communication device that receives the setting information and the c

Abstract: A communication device includes a first communication unit to execute radio communication by a first communication scheme allowing execution of the radio communication within a first communication range; a second communication unit to execute radio communication by using a second communication scheme allowing execution of the radio communication within a second communication range; a setting information retrieval unit to obtain, upon detecting that the communication device is within a predetermined area, setting information for establishing the radio communication by the first communication scheme; and a disconnection processing unit to disconnect radio communication with another communication device, wherein the first communication unit executes radio communication with the other communication device that obtains the setting information, and wherein, upon detecting that the communication device is not located within the second communication range, the disconnection processing unit disconnects the radio commu

Abstract: Provided is a rolling stock having a car body formed by joining side structures to an underframe, end structures, and a roof structure, the side structures having lower portions inclined toward an inside of the car body, the rolling stock having a structure allowing lower end portions of side posts of the side structures and side beams of the underframe to be securely joined. Side beams 21 in an underframe 20 of a rolling stock and lower end portions of side posts 31 having lower portions inclined toward an inside of a car body are joined by means of joint members 71. Each joint member 71 has a side-beam fixation plate portion fixed to an outer face of the side beam and a side-post fixation plate portion fixed to a side face of a lower end portion of the side post.