Mitsubishi Electric Corporation

Makoto Tokumaru

Satoshi Nakamura

Akira Nakanishi

Masashi Asuka

Koji Shiratsuchi

Satoru Matsuoka

A spinning and sliding detection device in a train includes: a change detection unit that periodically acquires a first detected value from a speed sensor, calculates a first change amount, using the first detected values, periodically acquires a second detected value from an acceleration sensor, calculates a second change amount, using the second detected values, and selects a change mode from a plurality of change modes defined for determining whether spinning or sliding has occurred at the train, using the first change amount, the second change amount, a first threshold, and a second threshold and outputs the selected change mode; and a spinning and sliding determination unit that determines whether spinning or sliding has occurred at the train and determines whether an anomaly has occurred in either the speed sensor or the acceleration sensor, based on the change mode acquired from the change detection unit.

Spinning and sliding detection device and spinning and sliding detection method

An on-board apparatus to be installed on a train, the apparatus including; an on-board control device that controls running and stopping of the train during operation of the train; and an on-board wireless device that performs wireless communication with a ground apparatus, and starts the on-board control device when receiving a first signal from the ground apparatus while the train is staying overnight, the first signal notifying that the train moves, wherein while the train is staying overnight, the on-board control device is started under the control of the on-board wireless device, and performs control so as to stop the train.

On-board apparatus, ground apparatus, and train control system

A train control system includes: an image information conversion device that is mounted on a train and outputs first image information obtained by adding train information to image information imaged by an imaging device capable of capturing an area in front of the train; and an obstacle detection device that is installed on the ground and includes: an image information storage unit that records the first image information output from the image information conversion device; an image information comparison unit that compares the first image information with second image information recorded in the image information storage unit; and an image information result output unit that outputs a result from the image information comparison unit.

Train control system and obstacle detection device

A train operation control apparatus mounted on a train includes: a non-contact range sensor that measures a first train interval between a rear end of a preceding train traveling ahead of the train and a head of the train; another non-contact range sensor that measures a second train interval between a head of a following train traveling behind the train and a rear end of the train; and on-board control transmission apparatus that, when being instructed to start control using the second train interval, controls operation of the train using the second train interval on the basis of an instruction from an operation management apparatus that controls operation of a plurality of trains including the train, the preceding train, and the following train.

Train operation control apparatus, operation management apparatus, train control system, and train operation method

The present invention includes an on-board control apparatus that generates train position information using ground coil position information and train speed information and outputs the train position information, and a ground control apparatus that receives the train position information outputted by the on-board control apparatus, identifies a position of a train using the train position information and stored track information, generates train control data having a size corresponding to the identified position of the train, and outputs the train control data toward the train.

Train control system, ground control apparatus, and on-board control apparatus

A platform-door control system includes an on-board control apparatus provided in a train, and a platform-door control apparatus. The on-board control apparatus includes: a ground-coil information storage unit to store information on a ground coil located on a track on which the train runs; a train-position detection unit to detect a position of the train; a train stop-position specification unit to determine a train stop position on the basis of stored information on the ground coil, and train position information detected by the train-position detection unit; a vehicle-door specification unit to determine a vehicle door of the train to be opened/closed, on the basis of the determined train stop position; and a vehicle-door information output unit to output determined vehicle door information of the train. The platform-door control apparatus receives the vehicle door information output from the vehicle-door information output unit, and controls platform doors installed at a station.

On-board control apparatus and platform-door control system

A ground base device includes a schedule timetable storage unit storing a received schedule timetable periodically transmitted from the central control device; a departure-obstructed condition determination unit determining whether a departure-obstructed condition of a train is resolved and outputting departure-obstructed condition cancel signal when the departure-obstructed condition is resolved; a departure time control unit outputting departure-time appropriate signal when current time is departure time based on the schedule timetable upon receiving the departure-obstructed condition cancel signal; a departure interval control unit outputting departure-interval appropriate signal when intervals between the train and preceding and following trains are a threshold value or more upon receiving the departure-time appropriate signal; and a departure instruction signal output unit outputting a departure instruction signal upon receiving the departure-interval appropriate signal, and, when the central control device fails, the departure time control unit uses the schedule timetable received when the central control device is normal.

Ground base device, unmanned operation system, operation system, and unmanned operation method

A speed control device that controls a speed of a train using a tacho-generator includes a calculating unit that calculates, when a pulse count signal obtained by conversion from an AC voltage signal that is outputted from the tacho-generator and corresponds to a rotating speed of a wheel of the train cannot be detected, a first speed using notch information, route data, and car characteristic data and calculates, when the pulse count signal can be detected, a second speed using the pulse count signal. The speed control device includes a position calculating unit that calculates a position of the train using the speed calculated by the calculating unit.

Speed control device, wireless train control system, and speed control method

A train operation control system includes: a headcount estimation device that estimates the number of people in a train and the number of people on a platform by using video data outputted from a plurality of on-board cameras and a plurality of ground cameras; and a train rescheduling device that predicts a dwell time required for passengers to board and detrain from the train using the estimated headcount information estimated by the headcount estimation device and schedule information stored in an operation management device, and accordingly performs train operation rescheduling. The train operation control system can predict the dwell time accurately and accordingly perform train operation rescheduling even when the number of passengers fluctuates.

Train operation control system and train operation control method

A speed control device includes: a first calculation unit to calculate first location information and first speed information from output of a speed generator; a second calculation unit to calculate second location information and second speed information from output of a speed sensor; a route database storage unit to store information to select one of a calculation result of the first calculation unit and a calculation result of the second calculation unit in accordance with a location of a vehicle; and a selection unit to select one of the calculation results on the basis of the information of the route database storage unit to output the information as location information and speed information, in which speed of the vehicle is determined on the basis of the location information and speed information.

Speed control device

An onboard apparatus includes: a route database that stores start and end distances from a start point and a section length of the radiowave-reception difficult area; and an onboard control device that checks the rout database to determine whether the own train is in the radiowave-reception difficult area, and when the own train is not in the radiowave-reception difficult area, confirms whether position information has been obtained from a GPS receiver, and when the position information has not been obtained from the GPS receiver, executes control to stop the own train based on a running distance and a determination threshold for determining whether to stop the own train. When the own train is in the radiowave-reception difficult area, the onboard control device does not confirm whether the position information has been obtained from the GPS receiver, and updates a train position based on information from a speed power-generator.

Onboard apparatus and train-position calculation method

A train-position locating device includes an onboard control device incorporated in a train and a ground control device installed on a ground. The onboard control device decides a track on which a train is present based on position information and a result of a nearest track search, transmits identification information for identifying the own train and track information to the ground control device, and shifts to an onboard-oriented train control mode when receiving a response indicating 'position is located' from the ground control device. The ground control device transmits a response indicating 'tentative position is normal' to the onboard control device when another train located to be present on a track is not present on the tentative position, and transmits the response indicating &#x201c;position is located&#x201d; to the onboard control device when a change from a previous track to the changed track is correct.

Train-position locating device and train-position locating method

An automatic train control device including a ground control device that computes a target stop position of a train, and in-vehicle control devices that receive the target stop position transmitted from the ground control device and compute speed control patterns to control the speed of the trains, respectively. On a route, a radio-equipped train that wirelessly transmits train ID&#x2022;train position to the ground control device and a radio-unequipped train coexist. The ground control device manages on-rail information acquired from each track circuit, the train ID&#x2022;train position, a train ID, and a train type in association with each other, calculates stop track circuit information, and calculates the target stop position for the radio-equipped train.

Growing community of inventors

Tokyo, Japan

Makoto Tokumaru