Abstract: A train equipment management system includes an information collection apparatus that collects individual identification numbers for identifying devices from identification tags attached to the devices installed in a train, collects device operation information indicating an operating condition of each device, and transmits, for each device, the individual identification number, the device operation information, a car number for identifying a car in which each device is installed, and a formation number for identifying the train, to a ground system; and the ground system that manages the formation number, the car number, and the device operation information in association with the individual identification number of each device.

Abstract: A device analysis apparatus includes: an operation data storage unit storing operation data indicating an operation state of a device; a feature quantity data generation unit generating feature quantity data of the device by using the operation data; a feature quantity data storage unit storing the feature quantity data; a first computation unit generating first data indicating behavior of the feature quantity data in units of a set term by using the feature quantity data stored in the feature quantity data storage unit; a second computation unit generating second data indicating behavior of latest feature quantity data by using one or more pieces of the latest feature quantity data newer than the feature quantity data used in generating the first data, among the feature quantity data stored in the feature quantity data storage unit; and a display unit displaying the first data and the second data in one graph.

Abstract: A deterioration diagnosis apparatus includes: a measurement condition storage unit in which first measurement conditions under which measurement is performed for diagnosing a state of a device installed on a train are stored; a measurement condition determination unit determining whether or not the first measurement conditions meet second measurement conditions in operation data that has been acquired from the train and includes a measurement result indicating the state of the device, the second measurement conditions being conditions under which the measurement result has been obtained; a difference condition extraction unit extracting a difference between the first measurement conditions and the second measurement conditions when it is determined that there is inconsistency between the first measurement conditions and the second measurement conditions; a control command generation unit generating a control command for eliminating the difference; and a control command transmission unit transmitting the contr

Abstract: An optical amplification system includes: an optical mixer which combined first light, second light, third light, and fourth light, then branches the combined lights, and outputs first combined light, second combined light, third combined light, and fourth combined light; a first brancher that branches the first combined light and outputs first excitation light and second excitation light; a second brancher that branches the second combined light and outputs third excitation light and fourth excitation light; a third brancher that branches the third combined light and outputs fifth excitation light and sixth excitation light; and a fourth brancher that branches the fourth combined light and outputs seventh excitation light and eighth excitation light.

Abstract: A data extraction apparatus includes a parameter analysis unit that performs analysis of learning text information, extracts words that serve as machine learning parameters, and classifies the words into types of parameters; a grouping settings display unit that finalizes search-target data and clustering conditions based on the parameters; at least one clustering training data extraction unit that extracts training data from a database based on the search-target data and the clustering conditions; at least one clustering unit that performs clustering based on the clustering condition on the training data; an applicable-clustering determination unit that performs analysis of search text information and identifies search-target data serving as a narrowing-down condition and which clustering unit is to be operated; and a search range specification unit that causes the clustering unit to operate and extracts a narrowed range of search-target data from the database based on an operation result.

Abstract: Provided is an optical amplifier, an optical relay and an optical communication system that can amplify signal light of a plurality of systems and that can realize a reduction in costs. This optical amplifier amplifies and outputs signal light of a plurality of systems, the amplifier including: a plurality of impurity-doped optical fiber amplification units; a plurality of excitation light sources; a plurality of excitation light demultiplexing units; a plurality of excitation light multiplexing/demultiplexing units; and a plurality of multiplexing units. The plurality of excitation light sources include at least a first excitation light source and a second excitation light source that are driven commonly by a first driving current, and a third excitation light source that is driven by a second driving current of a different system than the first driving current.

Abstract: A driving operation management system includes: an operator information accumulation unit that accumulates operator information; a mobile object information acquisition unit that acquires mobile object information; a driving operation reception unit that receives a driving operation of the operator; a service information management unit that acquires and associates the operator information and at least one of the mobile object information or operation information indicating the driving operation, and causes the acquired and associated information to be accumulated as service information; a service information accumulation unit that accumulates the service information; a determination logic setting unit that sets a determination logic for determining an operating state on the basis of the service information accumulated; a determination logic accumulation unit that accumulates the determination logic; and a determination unit that determines the operating state using the determination logic accumulated.

Abstract: A technique for outputting heterologous ions having the same per-nucleon energy at different timings by using one ion source is provided. An ion generation device includes: an ion generation energy setter that causes first ions and second ions generated by ionization in a vacuum chamber to be emitted in a mixed state from an opening; an electric-field voltage adjuster that imparts a same predetermined per-nucleon energy to each of the first and second ions by applying electric potential formed between the opening and extraction electrodes while switching the electric potential between first and second electric-field voltages; and an excitation current adjuster that causes the first and second ions to be outputted at different timings by supplying a coil of a separation electromagnet with an excitation current while switching the excitation current between first and second excitation currents.

Abstract: Included are: a unit that receives an indicated read range for an identification tag being affixed to one of devices installed in a train and storing an individual information item identifying the device; a unit that obtains a design information item indicating a model number of a device within the indicated read range and an installation position of the device with the model number in vehicles of the train; a unit that obtains a model number information item indicating a relationship between the model number and the individual information item; a reader that reads an individual information item of the device stored in an identification tag; and a unit that ascertains a model number of the device having the individual information item read and associates the installation position with the individual information item of the device having the model number when the device ascertained is present in the read range.

Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.

Abstract: A device analysis apparatus includes: an operation data storage unit storing operation data indicating an operation state of a device; a feature quantity data generation unit generating feature quantity data of the device by using the operation data; a feature quantity data storage unit storing the feature quantity data; a first computation unit generating first data indicating behavior of the feature quantity data in units of a set term by using the feature quantity data stored in the feature quantity data storage unit; a second computation unit generating second data indicating behavior of latest feature quantity data by using one or more pieces of the latest feature quantity data newer than the feature quantity data used in generating the first data, among the feature quantity data stored in the feature quantity data storage unit; and a display unit displaying the first data and the second data in one graph.

Abstract: Included are: a storage unit that stores device installation position information indicating installation positions for devices installed under floors of vehicles of a train, stores reading locations at each of which at least one individual information item identifying one of the devices is read from an identification tag storing the individual information item, each of the reading locations being where radio waves are emitted toward the identification tag affixed to corresponding one of the devices, and stores, correspondingly to radio wave strength for each of the plurality of the reading locations, at least one individual information item that is read with varied radio wave strengths in radio wave emission; and a position specifying unit that ascertains which device carrying the individual information item is in which installation position of the vehicles of the train and associates the installation position with the individual information item identified.

Abstract: A driving operation management system includes: an operator information accumulation unit that accumulates operator information; a mobile object information acquisition unit that acquires mobile object information; a driving operation reception unit that receives a driving operation of the operator; a service information management unit that acquires and associates the operator information and at least one of the mobile object information or operation information indicating the driving operation, and causes the acquired and associated information to be accumulated as service information; a service information accumulation unit that accumulates the service information; a determination logic setting unit that sets a determination logic for determining an operating state on the basis of the service information accumulated; a determination logic accumulation unit that accumulates the determination logic; and a determination unit that determines the operating state using the determination logic accumulated.

Abstract: A data extraction apparatus includes a parameter analysis unit that performs analysis of learning text information, extracts words that serve as machine learning parameters, and classifies the words into types of parameters; a grouping settings display unit that finalizes search-target data and clustering conditions based on the parameters; at least one clustering training data extraction unit that extracts training data from a database based on the search-target data and the clustering conditions; at least one clustering unit that performs clustering based on the clustering condition on the training data; an applicable-clustering determination unit that performs analysis of search text information and identifies search-target data serving as a narrowing-down condition and which clustering unit is to be operated; and a search range specification unit that causes the clustering unit to operate and extracts a narrowed range of search-target data from the database based on an operation result.

Abstract: An object is to provide an optical repeater that improves the fault tolerance of a plurality of excitation light sources while sharing the excitation light sources among a plurality of optical fibers. An optical repeater (100) includes excitation light sources (S1-S5), optical amplification units (A1-A5), and an optical distribution unit (10). The optical amplification units (A1-A5) amplify optical signals by using lights output from the excitation light sources (S1-S5). The optical distribution unit (10) includes a plurality of optical multiplexing/demultiplexing units. The optical distribution unit (10) is configured in such a manner that the lights from the four different excitation light sources in the excitation light sources (S1-S5) to be input to each of the light amplification units (A1-A5).

Abstract: A deterioration diagnosis apparatus includes: a measurement condition storage unit in which first measurement conditions under which measurement is performed for diagnosing a state of a device installed on a train are stored; a measurement condition determination unit determining whether or not the first measurement conditions meet second measurement conditions in operation data that has been acquired from the train and includes a measurement result indicating the state of the device, the second measurement conditions being conditions under which the measurement result has been obtained; a difference condition extraction unit extracting a difference between the first measurement conditions and the second measurement conditions when it is determined that there is inconsistency between the first measurement conditions and the second measurement conditions; a control command generation unit generating a control command for eliminating the difference; and a control command transmission unit transmitting the contr

Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.

Abstract: A technique for outputting heterologous ions having the same per-nucleon energy at different timings by using one ion source is provided. An ion generation device includes: an ion generation energy setter that causes first ions and second ions generated by ionization in a vacuum chamber to be emitted in a mixed state from an opening; an electric-field voltage adjuster that imparts a same predetermined per-nucleon energy to each of the first and second ions by applying electric potential formed between the opening and extraction electrodes while switching the electric potential between first and second electric-field voltages; and an excitation current adjuster that causes the first and second ions to be outputted at different timings by supplying a coil of a separation electromagnet with an excitation current while switching the excitation current between first and second excitation currents.

Abstract: Included are: a unit that receives an indicated read range for an identification tag being affixed to one of devices installed in a train and storing an individual information item identifying the device; a unit that obtains a design information item indicating a model number of a device within the indicated read range and an installation position of the device with the model number in vehicles of the train; a unit that obtains a model number information item indicating a relationship between the model number and the individual information item; a reader that reads an individual information item of the device stored in an identification tag; and a unit that ascertains a model number of the device having the individual information item read and associates the installation position with the individual information item of the device having the model number when the device ascertained is present in the read range.

Abstract: Included are: a storage unit that stores device installation position information indicating installation positions for devices installed under floors of vehicles of a train, stores reading locations at each of which at least one individual information item identifying one of the devices is read from an identification tag storing the individual information item, each of the reading locations being where radio waves are emitted toward the identification tag affixed to corresponding one of the devices, and stores, correspondingly to radio wave strength for each of the plurality of the reading locations, at least one individual information item that is read with varied radio wave strengths in radio wave emission; and a position specifying unit that ascertains which device carrying the individual information item is in which installation position of the vehicles of the train and associates the installation position with the individual information item identified.