초록 ▼

To provide a livestock management system, a sensor apparatus, and an estimation method for a state of a livestock animal with which states of livestock animals can be easily and accurately estimated. A livestock management system according to the present technology includes a management apparatus. T

To provide a livestock management system, a sensor apparatus, and an estimation method for a state of a livestock animal with which states of livestock animals can be easily and accurately estimated. A livestock management system according to the present technology includes a management apparatus. The management apparatus includes a reception unit that receives power generation information from a sensor apparatus attachable to a livestock animal. The sensor apparatus includes a power generation unit, a transmission unit, and a control unit. The power generation unit generates electric power in a manner that depends on a surrounding environment. The transmission unit transmits the power generation information of the power generation unit with the electric power generated by the power generation unit. The control unit estimates a state of the livestock animal on the basis of the power generation information.

대표청구항 ▼

1. A livestock management system, comprising: a sensor apparatus attachable to a livestock animal,wherein the sensor apparatus comprises: a power generation unit configured to generate electric power based on a surrounding environment of the livestock animal; anda transmission unit configured to: tr

1. A livestock management system, comprising: a sensor apparatus attachable to a livestock animal,wherein the sensor apparatus comprises: a power generation unit configured to generate electric power based on a surrounding environment of the livestock animal; anda transmission unit configured to: transmit power generation information of the power generation unit with the electric power generated by the power generation unit; andswitch between a stand-by state and a transmission state based on the electric power supplied from the power generation unit,wherein in the transmission state, the transmission unit is further configured to transmit an identifier allocated to the sensor apparatus as the power generation information; anda management apparatus comprising: a reception unit configured to receive the power generation information from the sensor apparatus; anda control unit configured to estimate a state of the livestock animal based on the power generation information. 2. The livestock management system according to claim 1, further comprising a plurality of sensor apparatuses attachable to a plurality of livestock animals,wherein each sensor apparatus of the plurality of sensor apparatuses comprises: the power generation unit; andthe transmission unit,wherein the reception unit is further configured to receive the power generation information from each sensor apparatus of the plurality of sensor apparatuses. 3. The livestock management system according to claim 2, wherein the control unit is further configured to: generate relative indication data about the plurality of livestock animals to which the plurality of sensor apparatuses are respectively attached,wherein the relative indication data is generated based on a plurality of pieces of the power generation information transmitted by the plurality of sensor apparatuses;compare the relative indication data with a piece of the power generation information of the plurality of pieces of the power generation information; andestimate the state of the livestock animal that corresponds to the piece of the power generation information. 4. The livestock management system according to claim 1, wherein the control unit is further configured to estimate the state of the livestock animal based on a reception frequency of the power generation information, andwherein the power generation information includes the identifier transmitted by the sensor apparatus. 5. The livestock management system according to claim 1, wherein the power generation unit is further configured to generate the electric power with energy based on at least one of light, heat, vibration, radio waves including a far electromagnetic field and a near electromagnetic field, or particular organic and inorganic matters. 6. The livestock management system according to claim 1, wherein the control unit is further configured to estimate at least one of a staying place, an activity amount, a behavior, and presence/absence of fever of the livestock animal or presence/absence of particular organic and inorganic matters, based on the power generation information. 7. The livestock management system according to claim 1, wherein the control unit is further configured to estimate that the livestock animal is in estrus based on the power generation information. 8. The livestock management system according to claim 1, wherein the control unit is further configured to estimate meat quality of the livestock animal based on the power generation information. 9. The livestock management system according to claim 1, wherein the control unit is further configured to generate a control signal based on the estimated state of the livestock animal, andthe control signal is configured to control an external apparatus. 10. The livestock management system according to claim 1, wherein the management apparatus further includes a storage unit configured to store sample power generation information acquired from the sensor apparatus attached to a livestock animal sample, andsample actual data indicating an actual state of the sample livestock animal,wherein the control unit is further configured to estimate the state of the livestock animal based on an algorithm,wherein the algorithm is configured to estimate the state of the livestock animal based on the power generation information, andwherein the algorithm is generated based on machine learning using the sample power generation information and the sample actual data as learning data. 11. The livestock management system according to claim 10, wherein the control unit is further configured to: estimate a state of a first livestock animal based on the algorithm and first power generation information acquired from a first sensor apparatus attachable to the first livestock animal;store first actual data indicating an actual state of the first livestock animal in the storage unit;determine satisfaction of a first condition by estimation accuracy of the algorithm based on an assessment result of the estimated state of the first livestock animal with respect to the first actual data;based on a determination that the first condition is unsatisfied by the estimation accuracy of the algorithm, correct the algorithm based on the assessment result; andestimate a state of a second livestock animal based on the corrected algorithm and second power generation information acquired from a second sensor apparatus attached to the second livestock animal. 12. The livestock management system according to claim 11, wherein the control unit is further configured to: determine, after estimation of the state of the second livestock animal, satisfaction of a second condition regarding a correction period of the algorithm;store, based on the determination that the second condition is satisfied, second actual data indicating an actual state of the second livestock animal in the storage unit; anddetermine satisfaction of the first condition by the estimation accuracy of the algorithm based on an assessment result of the estimated state of the second livestock animal with respect to the second actual data. 13. The livestock management system according to claim 1, wherein the control unit is further configured to: set, based on environment information indicating the surrounding environment of the livestock animal, a state estimation algorithm corresponding to a situation in which the livestock animal is placed; andestimate the state of the livestock animal based on the set state estimation algorithm. 14. The livestock management system according to claim 1, wherein the sensor apparatus further includes: a power storage element configured to store the electric power generated by the power generation unit; anda casing configured to accommodate the power generation unit,wherein the casing has a gas-tight structure that prevents an external gas and an external liquid from entering the casing and at least a part of the casing is formed of a light-transmissive material,wherein the power generation unit comprises: a solar power generator; anda vibration power generator, andwherein the transmission unit is further configured to transmit the power generation information via wireless communication. 15. The livestock management system according to claim 14, wherein the power storage element is constituted by a capacitor. 16. The livestock management system according to claim 1, further comprising a communication apparatus configured to: communicate with each of the transmission unit and the reception unit; andtransmit the power generation information transmitted from the transmission unit to the reception unit. 17. A sensor apparatus, comprising: a casing attachable to a livestock animal;a power generation unit accommodated in the casing,wherein the power generation unit is configured to generate electric power based on a surrounding environment of the livestock animal;a transmission unit configured to: transmit power generation information of the power generation unit with the electric power generated by the power generation unit; andswitch between a stand-by state and a transmission state based on the electric power supplied from the power generation unit,wherein in the transmission state, the transmission unit is further configured to transmit an identifier allocated to the sensor apparatus as the power generation information; anda control unit accommodated in the casing, wherein the control unit is configured to estimate a state of the livestock animal based on the power generation information. 18. An estimation method for a state of a livestock animal, the method comprising: generating, by a power generation unit of a sensor apparatus attached to the livestock animal, electric power based on a surrounding environment of the livestock animal;transmitting, by a transmission unit of the sensor apparatus, power generation information of the power generation unit with the generated electric power;switching, by the transmission unit, between a stand-by state and a transmission state based on the electric power;transmitting, by the transmission unit in the transmission state, an identifier allocated to the sensor apparatus as the power generation information; andestimating, by a control unit of the sensor apparatus, the state of the livestock animal based on the power generation information.