Robot, robot system, and storage medium

1. A first robot, comprising:

a drive unit configured to move in a real space; and

processing circuitry configured to:

acquire sensing data related to a first monitoring target;

determine the first monitoring target is in a first abnormal state indicating that the first monitoring target is absent within a monitorable range of the first robot;

control, based on the determination that the first monitoring target is in the first abnormal state, transmission of a first alert mode transition request signal to a second robot;

control the drive unit based on a condition that the first monitoring target is included within the monitorable range of the first robot;

identify, based on the sensing data, a specific monitoring target associated with the first monitoring target;

transition to a group monitoring mode based on the identification of the specific monitoring target; and

execute a charging operation, based on monitor of the specific monitoring target by a third robot and transition of the third robot to the group monitoring mode.

2. The first robot according to claim 1 , wherein the processing circuitry is further configured to:

control reception of a second alert mode transition request signal related to a second monitoring target; and

transition to an alert mode based on the received second alert mode transition request signal.

3. The first robot according to claim 2 , wherein

the received second alert mode transition request signal includes identification information that indicates the second monitoring target,

the second monitoring target is absent within a monitorable range of the second robot, and

the processing circuitry, in the alert mode, is further configured to search for the second monitoring target indicated by the identification information.

4. The first robot according to claim 3 , wherein

the processing circuitry is further configured to control transmission of specific information to the second robot,

the specific information indicates that the search for the second monitoring target is successful, and

the second robot is a transmission source of the second alert mode transition request signal.

5. The first robot according to claim 2 , wherein in a case in which the second monitoring target is absent after being present within the monitorable range of the first robot, the processing circuitry is further configured to control transmission of the received second alert mode transition request signal to a fourth robot.

6. The first robot according to claim 2 , wherein

the processing circuitry is further configured to end the alert mode based on a successful search of the second monitoring target by the second robot, and

the second robot is a transmission source of the second alert mode transition request signal.

7. The first robot according to claim 2 , wherein the processing circuitry is further configured to determine a second abnormal state of the first monitoring target present within the monitorable range of the first robot.

8. The first robot according to claim 7 , wherein the processing circuitry is further configured to:

determine the second abnormal state of the first monitoring target based on the sensing data;

transition to the alert mode based on the second abnormal state of the first monitoring target; and

control output of a first notification indicating the second abnormal state of the first monitoring target.

9. The first robot according to claim 8 , wherein

the received second alert mode transition request signal includes specific information,

the processing circuitry is further configured to control output of a second notification to the first monitoring target, and

the second notification indicates the specific information.

10. The first robot according to claim 9 , wherein the processing circuitry, in the alert mode, is further configured to search for the second robot that is a transmission source of the second alert mode transition request signal.

11. The first robot according to claim 2 , wherein the processing circuitry is further configured to:

recognize a specific state of the first monitoring target based on the sensing data; and

transition to the alert mode based on the recognized specific state of the first monitoring target.

12. The first robot according to claim 11 , wherein the processing circuitry is further configured to:

recognize an emotion of the first monitoring target; and

transition to the alert mode based on the recognized emotion of the first monitoring target.

13. The first robot according to claim 11 , wherein the processing circuitry is further configured to:

recognize the specific state of the first monitoring target as a sleep state; and

transition to the alert mode based on the sleep state of the first monitoring target.

14. The first robot according to claim 2 , wherein

the second alert mode transition request signal includes position information of the second robot and information indicating an abnormal state of the second monitoring target, and

the second robot is a transmission source of the second alert mode transition request signal.

15. The first robot according to claim 1 , wherein the processing circuitry is further configured to release the condition based on the transition of the third robot to the group monitoring mode.

16. An information processing method, comprising:

in a first robot having a drive unit configured to move in a real space:

acquiring sensing data related to a monitoring target;

determining the monitoring target is in an abnormal state indicating that the monitoring target is absent within a monitorable range of the first robot;

controlling, based on the determination that the monitoring target is in the abnormal state, transmission of an alert mode transition request signal to a second robot;

controlling the drive unit based on a condition that the monitoring target is included within the monitorable range of the first robot;

identifying, based on the sensing data, a specific monitoring target associated with the monitoring target;

transitioning to a group monitoring mode based on the identification of the specific monitoring target; and

executing a charging operation, based on monitor of the specific monitoring target by a third robot and transition of the third robot to the group monitoring mode.