Behavior identification device, air conditioner, and robot control device
The present invention provides a behavior identification device that can identify various behaviors without specifically defining a component constituting a behavior in advance. The behavior identification device comprising: a sensor-value obtaining unit ( 10 ) that obtains the sensor value and calculates a sensor value distribution that is a distribution of the sensor value measured within a predetermined time; a component database ( 42 ) that stores therein a set of basic distributions that are basic components constituting the sensor value distribution; a ratio calculating unit ( 21 ) that calculates a first component ratio that is a ratio of each of the basic distributions included in the sensor value distribution; a component ratio database ( 43 ) that stores therein a second component ratio that is the ratio determined in association with a behavior to be identified; and an identification unit ( 22 ) that compares the first component ratio to the second component ratio to identify the behavior, wherein the basic distribution is calculated as a sensor value distribution that is a base when each sensor value distribution is assumed to be a vector based on a set of the sensor value distributions obtained in advance for each of a plurality of types of the behavior.
1. An air conditioner comprising:
a behavior identification device that identifies a behavior of a target using a sensor value measured by a sensor for the behavior of the target, the behavior identification device including:
processing circuitry configured to obtain the sensor value and calculate a sensor value distribution that is a distribution of the sensor value measured within a predetermined time,
a component memory that stores therein a set of basic distributions that are basic components constituting the sensor value distribution, and
a component ratio memory, wherein
the processing circuitry is configured to calculate a first component ratio that is a ratio of each of the basic distributions included in the sensor value distribution,
the component ratio memory stores therein a second component ratio that is the ratio determined in association with a behavior to be identified,
the processing circuitry is configured to compare the first component ratio to the second component ratio to identify the behavior,
the basic distribution is calculated as a sensor value distribution that is a base when each sensor value distribution is assumed to be a vector based on a set of the sensor value distributions obtained in advance for each of a plurality of types of the behavior, and
the air conditioner identifies a biological index corresponding to the behavior of the target to control an operation of an outdoor unit or an indoor unit.
2. The air conditioner according to claim 1 , wherein the processing circuitry is configured to calculate the basic distribution and control storing of the basic distribution in the component memory.
3. The air conditioner according to claim 2 , wherein the processing circuitry is configured to store a ratio of each of the basic distributions included in the sensor value distribution obtained in advance and control storing of the ratio in the component ratio memory in association with the behavior when the sensor value is obtained.
4. The air conditioner according to claim 3 , wherein the processing circuitry is configured to
estimate the basic distribution and a ratio of each of the basic distributions included in the sensor value distribution obtained in advance, and
evaluate the basic distribution and the ratio that are estimated and control storing of the basic distribution in the component database only when an evaluation result satisfies a predetermined evaluation criteria.
5. The air conditioner according to claim 4 , wherein the processing circuitry is configured to calculate an average value of a ratio of the basic distribution included in the sensor value distribution obtained in advance for each of the basic distributions, and determine that an evaluation result satisfies the evaluation criteria when all of the average values calculated exceed a predetermined ratio.
6. The air conditioner according to claim 5 wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
7. The air conditioner according to claim 4 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
8. The air conditioner according to claim 3 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
9. The air conditioner according to claim 8 , wherein the processing circuitry is configured to compare the basic distributions calculated in different behavior modes and integrate a plurality of the basic distributions that are similar to each other.
10. The air conditioner according to claim 2 , wherein the processing circuitry is configured to
estimate the basic distribution and a ratio of each of the basic distributions included in the sensor value distribution obtained in advance, and
evaluate the basic distribution and the ratio that are estimated and control storing of the basic distribution in the component memory only when an evaluation result satisfies a predetermined evaluation criteria.
11. The air conditioner according to claim 10 , wherein the processing circuitry is configured to calculate an average value of a ratio of the basic distribution included in the sensor value distribution obtained in advance for each of the basic distributions, and determine that an evaluation result satisfies the evaluation criteria when all of the average values calculated exceed a predetermined ratio.
12. The air conditioner according to claim 11 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
13. The air conditioner according to claim 10 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
14. The air conditioner according to claim 2 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
15. The air conditioner according to claim 14 , wherein the processing circuitry is configured to compare the basic distributions calculated in different behavior modes and integrate a plurality of the basic distributions that are similar to each other.
16. The air conditioner according to claim 1 , wherein the processing circuitry is configured to detect a behavior mode of a target, and calculate the basic distribution for each behavior mode based on the sensor value distribution obtained for each behavior mode of the target.
17. The air conditioner according to claim 16 , wherein the processing circuitry is configured to compare the basic distributions calculated in different behavior modes and integrate a plurality of the basic distributions that are similar to each other.
18. The air conditioner according to claim 1 wherein the processing circuitry is configured to
obtain the sensor value from each of different sensors, and
identify a behavior based on a plurality of identification results.
19. A robot control device comprising:
a behavior identification device that identifies a behavior of a target using a sensor value measured by a sensor for the behavior of the target, the behavior identification device including:
processing circuitry configured to obtain the sensor value and calculate a sensor value distribution that is a distribution of the sensor value measured within a predetermined time,
a component memory that stores therein a set of basic distributions that are basic components constituting the sensor value distribution, and
a component ratio memory, wherein
the processing circuitry is configured to calculate a first component ratio that is a ratio of each of the basic distributions included in the sensor value distribution,
the component ratio memory stores therein a second component ratio that is the ratio determined in association with a behavior to be identified,
the processing circuitry is configured to compare the first component ratio to the second component ratio to identify the behavior,
the basic distribution is calculated as a sensor value distribution that is a base when each sensor value distribution is assumed to be a vector based on a set of the sensor value distributions obtained in advance for each of a plurality of types of the behavior, and
the robot control device identifies a safe behavior that is set in advance as the behavior of the target, a dangerous behavior that is set in advance, and a deviant behavior that is not set in advance to control an operation of a robot based on an identification result.