A RFID tag unit is attached to a wheelset of a railcar and includes a RFID tag and an attaching member on which the RFID tag is mounted and which is attached to the wheelset. At least a portion of the attaching member which portion faces the RFID tag is made of a non-metal material. The attaching member is interposed between the RFID tag and the wheelset.

A detector detects physical quantities relating to an operation of a vehicle air-conditioning device at a predetermined sampling frequency to generate groups of time-series data items. A volatile tracking memory has a work area to which the groups of time-series data items for a tracking period is writable. A record holding power accumulator supplies, to the tracking memory, power used for holding in the work area the groups of time-series data items. A writer sequentially overwrites the groups of time-series data to the work area of the tracking memory and stops overwriting of the groups of time-series data items to the work area when an abnormality occurs in the vehicle air-conditioning device.

In one embodiment, a system includes a vehicle, one or more probes coupled to the vehicle, and a controller. The vehicle is operable to traverse a distance. The one or more probes are operable to measure wind pressure and generate one or more wind pressure measurements. The controller is operable to receive the one or more wind pressure measurements from the one or more probes, determine a wind angle relative to the vehicle using the one or more wind pressure measurements, and determine a wind speed relative to the vehicle using the one or more wind pressure measurements and the wind angle.

In one embodiment, a system includes a vehicle, one or more probes coupled to the vehicle, and a controller. The vehicle is operable to traverse a distance. The one or more probes are operable to measure wind pressure and generate one or more wind pressure measurements. The controller is operable to receive the one or more wind pressure measurements from the one or more probes, determine a wind angle relative to the vehicle using the one or more wind pressure measurements, and determine a wind speed relative to the vehicle using the one or more wind pressure measurements and the wind angle.

A display device is installed on a train including a plurality of carriages on at least one of which at least one imaging device is installed. The display device includes: one or more processors configured to cause the display device to function as an image processing circuitry, the image processing circuitry being configured to generate a display image based on at least one image captured by the imaging device and on relative positions of the carriage on which the imaging device is installed and a carriage on which the display device is installed; and a display configured to display the display image generated by the image processing circuitry.

A display device is installed on a train including a plurality of carriages on at least one of which at least one imaging device is installed. The display device includes: one or more processors configured to cause the display device to function as an image processing circuitry, the image processing circuitry being configured to generate a display image based on at least one image captured by the imaging device and on relative positions of the carriage on which the imaging device is installed and a carriage on which the display device is installed; and a display configured to display the display image generated by the image processing circuitry.

A method of assembling a railcar bogie includes: a positioning step of locking a wheelbase fixing jig to a pair of axle box devices to position the pair of axle box devices such that a wheelbase between a pair of wheelsets supported by the respective axle box devices becomes a predetermined designed value, the pair of axle box devices being arranged away from each other in a car longitudinal direction, the wheelbase fixing jig extending in the car longitudinal direction; a plate spring arranging step of making the pair of axle box devices support a plate spring extending in the car longitudinal direction; and a bogie frame arranging step of making a longitudinal direction middle portion of the plate spring support a bogie frame and coupling the bogie frame to the pair of axle box devices.

A method of assembling a railcar bogie includes: a positioning step of locking a wheelbase fixing jig to a pair of axle box devices to position the pair of axle box devices such that a wheelbase between a pair of wheelsets supported by the respective axle box devices becomes a predetermined designed value, the pair of axle box devices being arranged away from each other in a car longitudinal direction, the wheelbase fixing jig extending in the car longitudinal direction; a plate spring arranging step of making the pair of axle box devices support a plate spring extending in the car longitudinal direction; and a bogie frame arranging step of making a longitudinal direction middle portion of the plate spring support a bogie frame and coupling the bogie frame to the pair of axle box devices.

Providing an alert to a user of a multi-passenger mode of transport includes receiving first biometric information about the user and a destination for the user; receiving second biometric information about the user; based on the second biometric information, determining the destination for the user; based at least in part on the destination for the user, determining a first location within the multi-passenger mode of transport; and transmitting a first command to control a first display device proximate to the user, based on the first location.

Providing an alert to a user of a multi-passenger mode of transport includes receiving first biometric information about the user and a destination for the user; receiving second biometric information about the user; based on the second biometric information, determining the destination for the user; based at least in part on the destination for the user, determining a first location within the multi-passenger mode of transport; and transmitting a first command to control a first display device proximate to the user, based on the first location.