JP2014212915A5 - - Google Patents

Claims (8)

An acceleration sensor that is mounted on the subject and detects acceleration information of at least two axes orthogonal to each other;
Based on the acceleration information, an axis determination unit that determines a main axis that is an axis to be referred to in order to determine the behavior of the subject;
A storage unit that stores a determination index that is an index for determining the behavior of the subject;
A discriminator for discriminating the behavior of the subject based on the acceleration information of the main axis and the discrimination index;
The axis determination unit determines the main axis based on the acceleration information .   The behavior determination apparatus according to claim 1, wherein the axis determination unit determines the main axis based on a change amount of the acceleration information. The major axis is within a predetermined time period, behavior determination device according to claim 1 or 2 times the amount of change exceeds a predetermined threshold value, characterized in that the axis of maximum. The amount of change is a difference between two acceleration information adjacent in time series in the orthogonal acceleration information of at least two axes orthogonal to each other, and the at least 2 orthogonal to each other by comparing the difference and the predetermined threshold value. The behavior determination apparatus according to claim 3 , wherein the main axis is determined from an axis. The determination unit analyzes at least periodicity and a power spectrum at a plurality of frequencies based on acceleration information of the main axis,
The discrimination index, action mode according to the periodicity, and behavioral determination according to any one of claims 1 to 4, characterized in that said a table containing actions mode corresponding to the distribution of the power spectrum apparatus. A pulse wave sensor for detecting the pulse of the subject;
The determination section, in consideration of the analysis result of the pulse information of the pulse wave sensor detects behavior discriminating apparatus according to any one of claims 1 to 5, characterized in that to determine the behavior of the subject . At least one of a GPS sensor for detecting position information, a pressure sensor for detecting ambient pressure information including atmospheric pressure, or a temperature sensor for detecting ambient temperature information including outside air temperature;
The determination unit, the position information, by adding at least one analysis result of said peripheral pressure information or the surrounding temperature information, claim 1-6, characterized in that to determine the behavior of the subject The behavior discrimination device according to one item. A behavior determination method executed by a behavior determination device equipped with an acceleration sensor that is mounted on a subject and detects acceleration information of at least two axes orthogonal to each other,
A detection step of detecting the acceleration information in time series;
An axis determining step for determining a main axis that is an axis mainly referred to from at least two orthogonal axes;
A determination step of determining the behavior with reference to a determination index serving as an index for determining the behavior of the subject from the acceleration information of the main axis,
In the axis determination step, the main axis is determined based on a change amount in the acceleration information.