Abstract: According to one embodiment, a damaged region determination system of the embodiment includes a plurality of sensors, a position locator, and a determiner. The plurality of sensors detects elastic waves generated in a target object related to a railway which is a determination target of a damaged region. The position locator locates positions of sources of a plurality of elastic waves based on the plurality of elastic waves detected by each of the plurality of sensors. The determiner determines the damaged region in the target object based on the positions of the sources of the plurality of elastic waves.

Abstract: An apparatus for manufacturing a bagged electrode includes a conveying unit, a first bonding unit, a second bonding unit, and a separating unit. The conveying unit conveys an electrode in a manner interposed between a pair of long separator materials unwound from a pair of rolls. The first bonding unit bonds the pair of long separator materials outside the electrode along a conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The second bonding unit bonds the pair of long separator materials outside the electrode along a direction intersecting the conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The separating unit cuts the pair of long separator materials along the direction intersecting the conveyance direction to cut off the bagged electrode without stopping conveyance of the electrode and the pair of long separator materials.

Abstract: A stacking apparatus according to an embodiment includes a stacking table, a first guide member, a second guide member, and a vibrator. The stacking table includes a stacking surface on which sheets are sequentially stacked. The first guide member is provided to stand on the stacking table. The first guide member restricts position of edges in a first width direction of the sheets stacked on the stacking table. The second guide member is provided to stand on the stacking table. The second guide member restricts position of edges in a second width direction of the sheets stacked on the stacking table. The second width direction intersects with the first width direction. The vibrator applies micro-vibration to at least one of the first guide member and the second guide member.

Abstract: According to an embodiment, a stacking apparatus includes: a first precedent-stage conveyor unit that conveys first sheets; a second precedent-stage conveyor unit that conveys second sheets; a merging unit that guides, to a merge point, the first sheets output from the first precedent-stage conveyor unit and guides, to the merge point, the second sheets output from the second precedent-stage conveyor unit; a subsequent-stage conveyor unit that sequentially receives, at the merge point, the conveyed first sheets and the conveyed second sheets, and conveys the received first sheets and the received second sheets in order of the reception while lining up in a conveying direction; and a stacking unit that sequentially catches each of the first sheets and each of the second sheets and stacks, at a predetermined position, each of the first sheets and each of the second sheets in order of the catch.

Abstract: A condition monitoring system includes a power generator and a condition monitoring apparatus. The condition monitoring apparatus includes, voltage measuring circuit which measures a voltage value of power generated by the power generator, a data memory which stores a past voltage value measured by the voltage measuring circuit, a calculation circuit which calculates a difference between a current voltage value measured by the voltage measuring circuit and at least one past voltage value stored in the data memory, and a controller which determines an issue period indicating a period of time until a trigger signal is issued based on the difference calculated by the calculation circuit, and issues the trigger signal to the condition monitoring apparatus based on the issue period.

Abstract: A tension detection device according to an embodiment includes a base, a support member, a continuous body, an external force detection unit, and a tension detection unit. One end or both ends of the support member are fixed to the base. The support member has an external force measurement section integrally provided at the one end or both ends thereof. The continuous body is conveyed while wound around an outer circumference of the support member. The external force detection unit is provided at the external force measurement section of the support member. The external force detection unit detects an external force. The tension detection unit detects tension of the continuous body based on a detection result from the external force detection unit.

Abstract: According to one embodiment, a control apparatus for controlling a sensor that operates on power supplied by a power generator via an electric circuit including a rectifying and smoothing circuit converting AC power output from the power generator into DC power and a converter transforming an output voltage of the rectifying and smoothing circuit includes a first and a second signal generator and a controller. The first signal generator generates a first signal based on the output voltage of the rectifying and smoothing circuit. The second signal generator generates a second signal based on an output voltage of the converter. The controller switches an operation mode of the sensor between a sleep mode and an active mode based on the first and second signals.

Abstract: According to one embodiment, a damaged region determination system of the embodiment includes a plurality of sensors, a position locator, and a determiner. The plurality of sensors detects elastic waves generated in a target object related to a railway which is a determination target of a damaged region. The position locator locates positions of sources of a plurality of elastic waves based on the plurality of elastic waves detected by each of the plurality of sensors. The determiner determines the damaged region in the target object based on the positions of the sources of the plurality of elastic waves.

Abstract: According to one embodiment, an inspection system of an embodiment is an inspection system for inspecting a bogie including a plurality of side beams extending in a front-rear direction and disposed apart from each other in a left-right direction and a cross beam connecting the plurality of side beams. The inspection system includes one or more sensors and a position locator. The one or more sensors are installed on at least one of the plurality of side beams and the cross beam and detect elastic waves. The position locator identifies a beam in which the elastic waves have been generated or locates a position of an elastic wave source on the basis of the elastic waves detected by the one or more sensors.

Abstract: According to one embodiment, a control apparatus for controlling a sensor that operates on power supplied by a power generator via an electric circuit including a rectifying and smoothing circuit converting AC power output from the power generator into DC power and a converter transforming an output voltage of the rectifying and smoothing circuit includes a first and a second signal generator and a controller. The first signal generator generates a first signal based on the output voltage of the rectifying and smoothing circuit. The second signal generator generates a second signal based on an output voltage of the converter. The controller switches an operation mode of the sensor between a sleep mode and an active mode based on the first and second signals.

Abstract: According to one embodiment, a vibration generator includes first and second integrated elastic support bodies, a vibrator, and a coil. Each of the first and second integrated elastic support bodies includes an elastic beam part configured to undergo elastic deformation, and a support part supporting the elastic beam part, the elastic beam part and support part being integrally formed. The vibrator includes a magnet and a magnetic material, and is interposed between the first and second integrated elastic support bodies and supported so as to vibrate. The coil is located inside the vibrator, and interposed and supported between the first integrated elastic support body and the second integrated elastic support body.

Abstract: A condition monitoring system includes a power generator and a condition monitoring apparatus. The condition monitoring apparatus includes, voltage measuring circuit which measures a voltage value of power generated by the power generator, a data memory which stores a past voltage value measured by the voltage measuring circuit, a calculation circuit which calculates a difference between a current voltage value measured by the voltage measuring circuit and at least one past voltage value stored in the data memory, and a controller which determines an issue period indicating a period of time until a trigger signal is issued based on the difference calculated by the calculation circuit, and issues the trigger signal to the condition monitoring apparatus based on the issue period.

Abstract: A paper feeding device of an embodiment includes a paper feed cassette, an alignment component, a fan, and a fan guiding duct component. A paper bundle in which a plurality of sheets of paper are stacked can be placed on the paper feed cassette. The alignment component can align the paper bundle placed on the paper feed cassette. The fan is connected to the alignment component. The fan can generate airflow. The fan guiding duct component is connected to the alignment component. The fan guiding duct component is positioned above the paper bundle placed on the paper feed cassette. The fan guiding duct component generates a negative pressure between the fan guiding duct component and an uppermost sheet of paper in the paper bundle due to the airflow from the fan.

Abstract: A paper feeding device has a paper feed tray, a device body, a fan, a rectifying member, and a retreat mechanism. A paper bundle in which a plurality of sheets of paper are stacked can be placed on the paper feed tray. The rectifying member is positioned above the paper bundle placed on the paper feed tray in a state in which the paper feed tray is accommodated in an accommodating part of the device body. The rectifying member generates a negative pressure between the rectifying member and an uppermost sheet of paper of the paper bundle using airflow from the fan in a state in which the paper feed tray is accommodated in the accommodating part. The retreat mechanism displaces the rectifying member in conjunction with the paper feed tray so that the rectifying member retreats from the paper feed tray in at least one of a pull-out operation and a push-in operation of the paper feed tray.

Abstract: A conveyance apparatus according to an embodiment includes a fork unit, a lift unit, a movable cart unit, an auxiliary leg, and a distal end support mechanism. The lift unit is configured to drive the fork unit upward and downward. The movable cart unit is configured to support the lift unit and be movable on a traveling surface by driving a drive wheel. The auxiliary leg unit is provided for the movable cart unit, and is movable along a longitudinal direction of the fork unit and having an auxiliary wheel a position of which is changeable relative to the movable cart unit. The distal end support mechanism is provided on a distal end side of the fork unit and is switchable between a non-contact state with the traveling surface and a contact state with the traveling surface.

Abstract: According to an embodiment, a stacking apparatus includes: a first precedent-stage conveyor unit that conveys first sheets; a second precedent-stage conveyor unit that conveys second sheets; a merging unit that guides, to a merge point, the first sheets output from the first precedent-stage conveyor unit and guides, to the merge point, the second sheets output from the second precedent-stage conveyor unit; a subsequent-stage conveyor unit that sequentially receives, at the merge point, the conveyed first sheets and the conveyed second sheets, and conveys the received first sheets and the received second sheets in order of the reception while lining up in a conveying direction; and a stacking unit that sequentially catches each of the first sheets and each of the second sheets and stacks, at a predetermined position, each of the first sheets and each of the second sheets in order of the catch.

Abstract: A tension detection device according to an embodiment includes a base, a support member, a continuous body, an external force detection unit, and a tension detection unit. One end or both ends of the support member are fixed to the base. The support member has an external force measurement section integrally provided at the one end or both ends thereof. The continuous body is conveyed while wound around an outer circumference of the support member. The external force detection unit is provided at the external force measurement section of the support member. The external force detection unit detects an external force. The tension detection unit detects tension of the continuous body based on a detection result from the external force detection unit.

Abstract: An apparatus for manufacturing a bagged electrode includes a conveying unit, a first bonding unit, a second bonding unit, and a separating unit. The conveying unit conveys an electrode in a manner interposed between a pair of long separator materials unwound from a pair of rolls. The first bonding unit bonds the pair of long separator materials outside the electrode along a conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The second bonding unit bonds the pair of long separator materials outside the electrode along a direction intersecting the conveyance direction without stopping conveyance of the electrode and the pair of long separator materials. The separating unit cuts the pair of long separator materials along the direction intersecting the conveyance direction to cut off the bagged electrode without stopping conveyance of the electrode and the pair of long separator materials.

Abstract: A conveyance apparatus according to an embodiment includes a fork unit, a lift unit, a movable cart unit, an auxiliary leg, and a distal end support mechanism. The lift unit is configured to drive the fork unit upward and downward. The movable cart unit is configured to support the lift unit and be movable on a traveling surface by driving a drive wheel. The auxiliary leg unit is provided for the movable cart unit, and is movable along a longitudinal direction of the fork unit and having an auxiliary wheel a position of which is changeable relative to the movable cart unit. The distal end support mechanism is provided on a distal end side of the fork unit and is switchable between a non-contact state with the traveling surface and a contact state with the traveling surface.

Abstract: A paper feeding device of an embodiment includes a paper feed cassette, an alignment component, a fan, and a fan guiding duct component. A paper bundle in which a plurality of sheets of paper are stacked can be placed on the paper feed cassette. The alignment component can align the paper bundle placed on the paper feed cassette. The fan is connected to the alignment component. The fan can generate airflow. The fan guiding duct component is connected to the alignment component. The fan guiding duct component is positioned above the paper bundle placed on the paper feed cassette. The fan guiding duct component generates a negative pressure between the fan guiding duct component and an uppermost sheet of paper in the paper bundle due to the airflow from the fan.