DETERMINATION DEVICE, DETERMINATION METHOD, AND PROGRAM RECORDING MEDIUM

DETERMINATION DEVICE, DETERMINATION METHOD, AND PROGRAM RECORDING MEDIUM

A determination device includes: a sensor data reception unit that receives sensor data including acceleration in a travel direction of a user and in a gravity direction; a walking state discrimination unit that switches to a discrimination mode in response to the acceleration in the gravity directi...

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Hauptverfasser: HUANG, Chenhui, FUKUSHI, Kenichiro, IHARA, Kazuki, TONOUCHI, Noriyuki
Format: Patent
Sprache:eng
Schlagworte:
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
PHYSICS
TESTING
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creator HUANG, Chenhui
FUKUSHI, Kenichiro
IHARA, Kazuki
TONOUCHI, Noriyuki
description A determination device includes: a sensor data reception unit that receives sensor data including acceleration in a travel direction of a user and in a gravity direction; a walking state discrimination unit that switches to a discrimination mode in response to the acceleration in the gravity direction exceeding a first threshold in a power saving mode, and switches to a walk measurement mode in response to the acceleration in the travel direction exceeding a second threshold in the discrimination mode; a change trend detection unit that detects a change trend of peak values using log data of the peak values of the acceleration in the travel direction in the discrimination mode; a threshold change unit that changes the second threshold based on a detection result by the change trend detection unit; and a transmission unit that transmits the sensor data in the walk measurement mode.
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subjects INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
PHYSICS
TESTING
title DETERMINATION DEVICE, DETERMINATION METHOD, AND PROGRAM RECORDING MEDIUM
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