System for gathering and transmitting object distance data
Provided is a map generation system including a vehicle such as a robot and a remote control apparatus, wherein the vehicle includes a distance sensor configured to output object-distance data; and a processor configured to transmit to the remote control apparatus the object-distance data excluding a portion of data about object-distances which are shorter than a predetermined object-distance, and the remote control apparatus is configured to generate a map based on the object-distance data received from the processor.
1. A map generation system comprising a vehicle and a remote control apparatus,
wherein the vehicle comprises:
a distance sensor configured to output object-distance data; and
a processor configured to transmit to the remote control apparatus the object-distance data excluding a portion of data of object-distances which are shorter than a predetermined object-distance, and
wherein the remote control apparatus is configured to generate a map based on the object-distance data received from the processor, and
wherein an exclusion ratio of the portion of data to be excluded from the transmission to a total amount of the data of the object-distances which are shorter than the predetermined object-distance varies according to a traveling speed of the vehicle.
2. The system of claim 1 , wherein the distance sensor is configured to output the object-distance data of different heights for each of a plurality of channels regarding each of a plurality of scan points while panning and tilting.
3. The system of claim 1 , wherein the exclusion ratio is set to be inversely proportional to the traveling speed of the vehicle.
4. The system of claim 1 , wherein the exclusion ratio of the portion of data to be excluded from transmission to the total amount of the data of the object-distances which are shorter than the predetermined object-distance also varies according to a distance between the remote control apparatus and the vehicle.
5. The system of claim 4 , wherein the exclusion ratio is set to be inversely proportional to the distance between the remote control apparatus and the vehicle.
6. The system of claim 1 , further comprising at least one wireless repeater installed between the vehicle and the remote control apparatus, and configured to relay the object-distance data transmitted from the processor to the remote control apparatus.
7. The system of claim 1 , further comprising a plurality of wireless repeaters installed between the vehicle and the remote control apparatus, and configured to relay the object-distance data transmitted from the processor to the remote control apparatus at respective data transmission rates set differently according to locations of the wireless repeaters.
8. The system of claim 7 , wherein a data transmission rate of a first wireless repeater which is installed closer to the remote control apparatus than a second wireless repeater, among the wireless repeaters, has a lower data transmission rate than the second wireless repeater.
9. The system of claim 6 , wherein the vehicle is a robot comprising a wireless communication interface through which the processor is configured to transmit the object-distance data to the remote control apparatus.
10. A system for data gathering and transmission, the system comprising a vehicle and a remote control apparatus,
wherein the vehicle comprises:
a distance sensor configured to detect object distances and output object-distance data; and
a processor configured to transmit to the remote control apparatus the object-distance data excluding a portion of data of object-distances which are shorter than a predetermined object-distance,
wherein the remote control apparatus is configured to generate a map based on the object-distance data received from the processor, and
wherein an exclusion ratio of the portion of data to be excluded from the transmission to a total amount of the data of the object-distances which are shorter than the predetermined object-distance varies according to a traveling speed of the vehicle.
11. The system of claim 10 , wherein the exclusion ratio of the portion of data to be excluded from the transmission to the total amount of the data of the object-distances which are shorter than the predetermined object-distance also varies according to a distance between the remote control apparatus and the vehicle while the vehicle is being driven to detect the object-distances.
12. The system of claim 11 , wherein the exclusion ratio is set to be inversely proportional to the traveling speed of the vehicle or the distance between the remote control apparatus and the vehicle while the vehicle is being driven to detect the object-distances.
13. The system of claim 10 , further comprising a plurality of wireless repeaters installed between the vehicle and the remote control apparatus, and configured to relay the object-distance data transmitted from the processor to the remote control apparatus at respective data transmission rates set differently according to locations of the wireless repeaters.
14. The system of claim 13 , wherein a data transmission rate of a first wireless repeater which is installed closer to the remote control apparatus than a second wireless repeater, among the wireless repeaters, has a lower data transmission rate than the second wireless repeater.
15. A robot comprising:
a distance sensor configured to detect object distances and output object-distance data;
an input/output interface; and
a processor configured to transmit, through the input/output interface, the object-distance data excluding a portion of data of object-distances which are shorter than a predetermined object-distance, to a remote control apparatus,
wherein the remote control apparatus is configured to generate a map based on the object-distance data received from the processor, and
wherein an exclusion ratio of the portion of data to be excluded from the transmission to a total amount of the data of the object-distances which are shorter than the predetermined object-distance varies according to a traveling speed of the robot.
16. The robot of claim 15 , wherein the exclusion ratio of the portion of data to be excluded from the transmission to the total amount of the data of the object-distances which are shorter than the predetermined object-distance varies according to the traveling speed of the robot while the robot is being driven to detect the object-distances.
17. The robot of claim 16 , wherein the exclusion ratio is set to be inversely proportional to the traveling speed of the robot while the robot is being driven to detect the object-distances.
18. The robot of claim 15 , wherein the exclusion ratio of the portion of data to be excluded from the transmission to the total amount of the data of the object-distances which are shorter than the predetermined object-distance also varies according to a distance between the remote control apparatus and the robot while the robot is being driven to detect the object-distances.
19. The robot of claim 18 , wherein the exclusion ratio is set to be inversely proportional to the distance between the remote control apparatus and the robot while the robot is being driven to detect the object-distances.