Robot comprising lidar sensor and method controlling robot
An electronic device includes: a first sensor mounted inside a body of the electronic device; a second sensor configured to sense a posture of the body; an optical device configured to: reflect light output from the first sensor by using a mirror, and output the reflected light to an outside of the electronic device through a transparent region in the electronic device; a processor configured to: obtain information on the posture of the body through the second sensor, obtain information on a tilting angle of the mirror based on the obtained posture of the body and a refractive index of the transparent region, and control the mirror based on the obtained information on the tilting angle.
1 . An electronic device comprising:
a first sensor mounted inside a body of the electronic device;
a second sensor configured to sense a posture of the body;
an optical device configured to:
reflect light output from the first sensor by using at least one mirror, and
output the reflected light to an outside of the electronic device through a transparent region in the electronic device; and
a processor configured to:
obtain information on the posture of the body through the second sensor,
obtain information on a tilting angle of the at least one mirror based on the obtained information on the posture of the body and based on a refractive index of the transparent region, and
control the at least one mirror based on the obtained information on the tilting angle.
2 . The electronic device of claim 1 , wherein the electronic device is a robot.
3 . The electronic device of claim 1 , wherein the first sensor is a light detection and ranging (LiDAR) sensor.
4 . The electronic device of claim 1 , further comprising a memory configured to store information on a plurality of tilting angles corresponding to a plurality of postures of the body obtained based on the refractive index of the transparent region,
wherein the processor is further configured to obtain information on the tilting angle corresponding to the obtained information on the posture of the body among the information on the plurality of tilting angles corresponding to the plurality of postures of the body.
5 . The electronic device of claim 4 , wherein the plurality of tilting angles are angles to enable lights reflected by the at least one mirror from a posture of the plurality of postures of the body to be refracted by the transparent region and output in a direction parallel with a ground.
6 . The electronic device of claim 1 , further comprising:
a left wheel on a left side of the body, and
a right wheel on a right side of the body.
7 . The electronic device of claim 6 , wherein the left wheel and the right wheel are 360-degree rotatable,
wherein a shape of the electronic device is spherical, and
wherein the first sensor outputs the light while rotating at 360 degrees.
8 . The electronic device of claim 6 , wherein the transparent region comprises:
a first transparent region provided at a position corresponding to a position of the first sensor on a front surface of the body or a rear surface of the body, and
a second transparent region provided in the left wheel or the right wheel.
9 . The electronic device of claim 1 , wherein the transparent region comprises a material that passes the light output from the first sensor.
10 . The electronic device of claim 1 , wherein the first sensor comprises:
a light emitting element configured to output the light; and
a light receiving element configured to, based on the output light being reflected by an object, receive the reflected light,
wherein the at least one mirror comprises:
a first mirror configured to adjust a first angle and provided in front of the light emitting element; and
a second mirror configured to adjust a second angle and provided in front of the light receiving element.
11 . The electronic device of claim 10 , wherein the processor is further configured to adjust the first angle of the first mirror and the second angle of the second mirror to the obtained tilting angle.
12 . A method performed by an electronic device, the method comprising:
obtaining information on a posture of a body;
obtaining information on a tilting angle of at least one mirror based on the obtained information on the posture of the body and based on a refractive index of a transparent region in the electronic device;
controlling the at least one mirror based on the obtained information on the tilting angle; and
reflecting light output from a first sensor through the at least one mirror and outputting the reflected light to an outside of the electronic device through the transparent region.
13 . The method of claim 12 , wherein the reflecting light output from the first sensor comprises reflecting light output from a light detection and ranging (LiDAR) sensor.
14 . The method of claim 12 , wherein the obtaining information on the tilting angle of the at least one mirror comprises obtaining information on the tilting angle corresponding to the obtained information on the posture of the body among information on a plurality of tilting angles corresponding to a plurality of postures of the body.
15 . The method of claim 14 , wherein the plurality of tilting angles are angles to enable lights reflected by the at least one mirror from a posture of the plurality of postures of the body to be refracted by the transparent region and output in a direction parallel with a ground.
16 . The method of claim 12 , wherein a left wheel and a right wheel are provided on left and right sides of the body constituting a central portion of the electronic device,
wherein a shape of the electronic device comprising the body, the left wheel, and the right wheel has a spherical shape, and
wherein the first sensor outputs the light while rotating 360 degrees.
17 . The method of claim 16 , wherein the left wheel and the right wheel are 360-degree rotatable.
18 . The method of claim 16 , wherein the transparent region comprises:
a first transparent region provided at a position corresponding to a position of the first sensor on a front surface or a rear surface of the body, and
a second transparent region provided in the left wheel or the right wheel.
19 . The method of claim 12 , wherein the first sensor comprises:
a light emitting element configured to output the light; and
a light receiving element configured to, based on the output light being reflected by an object, receive the reflected light,
wherein the at least one mirror comprises:
a first mirror configured to adjust a first angle and provided in front of the light emitting element; and
a second mirror configured to adjust a second angle and provided in front of the light receiving element.
20 . The method of claim 19 , wherein the controlling comprises adjusting the first angle of the first mirror and the second angle of second mirror to the obtained tilting angle.