Train position detecting device
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United States of America Patent
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Jul 17, 2018
Grant Date -
Jan 11, 2018
app pub date -
Jan 21, 2016
filing date -
Jan 28, 2015
priority date (Note) -
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Abstract
A train position detecting device includes: a GPS position guarantee range calculation part for calculating, based on a result of measurement of a position of a train by GPS signals; a tachogenerator-position guarantee range calculation part for calculating, based on a result of measurement of a position of the train by a tachometer generator that measures a relative distance from a measurement carried out previously; and a position determination part that determines, between an end part of the GPS position guarantee range in the first-direction and an end part of the tachogenerator-position guarantee range in the first-direction, a position of an end part on the positive side of the second direction to be a position of the end part of the train in the first-direction.
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