Moving robot and operating method for same
First Claim
Patent Images
1. A moving robot configured to move along a support surface, the moving robot comprising:
- a photographing unit provided on a bottom surface of the moving robot for photographing sequential images of the support surface using incident light;
at least one light source unit provided on the moving robot for radiating light onto a corresponding region of the support surface to be photographed by the photographing unit;
a controller configured to compare the sequential images captured by the photographing unit and to control the at least one light source unit based on a result of the comparison; and
a light source controller coupled to the at least one light source unit and configured to control a magnitude of current or voltage input from the at least one light source unit, and to control a radiation angle of light radiated from the at least one light source unit in response to a control command generated by the controller.
1 Assignment
0 Petitions
Accused Products
Abstract
There are provided a moving robot and a method of operating the same. A bottom surface is photographed to sense a moving distance and a moving direction based on input image data. The amount of light radiated to photograph the bottom surface is sensed to feedback control the light emission degree of a light source unit. The light source unit is controlled when errors are generated in sensing the image data. Therefore, the sensing ratio of the photographed image is improved so that correctness of calculating the position of the moving robot is improved.
-
Citations
10 Claims
-
1. A moving robot configured to move along a support surface, the moving robot comprising:
-
a photographing unit provided on a bottom surface of the moving robot for photographing sequential images of the support surface using incident light; at least one light source unit provided on the moving robot for radiating light onto a corresponding region of the support surface to be photographed by the photographing unit; a controller configured to compare the sequential images captured by the photographing unit and to control the at least one light source unit based on a result of the comparison; and a light source controller coupled to the at least one light source unit and configured to control a magnitude of current or voltage input from the at least one light source unit, and to control a radiation angle of light radiated from the at least one light source unit in response to a control command generated by the controller. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method of operating a moving robot, the method comprising:
-
comparing image data captured by a photographing unit, provided on a bottom surface of the moving robot, over time and calculating a corresponding moving distance of the moving robot along a support surface; controlling a light source for radiating light onto the support surface, comprising adjusting at least one setting of the light source when the image data captured by the photographing unit is unreadable and the corresponding moving distance along the support surface cannot be calculated, and then re-capturing the image data, wherein re-capturing the image data comprises; measuring a distance to the support surface; comparing the measured distance to a reference distance; and controlling a radiation angle of light emitted by the light source when the measured distance is greater than the reference distance; and comparing the image data re-captured by the photographing unit to calculate the moving distance. - View Dependent Claims (9, 10)
-
Specification