Method for controlling robot, storage medium and electronic device

Patent metadata

Field	Value
Publication number	US-11766776-B2
Application number	US-202017032351-A
Country	US
Kind code	B2
Filing date	Sep 25, 2020
Priority date	Aug 31, 2018
Publication date	Sep 26, 2023
Grant date	Sep 26, 2023

Abstract

Embodiments of the present application provide a method based on an optical fiber communication network for controlling a robot, a storage medium and an electronic device. The method includes: converting an acquired electrical control signal of the robot to an optical control signal; broadcasting the optical control signal over a downlink of the optical fiber communication network; filtering the optical control signal based on a port identifier to obtain an optical control signal corresponding to the port identifier; converting the optical control signal corresponding to the port identifier to an electrical control signal; and sending the electrical control signal to an actuator of the robot. According to the embodiments of the present application, the number of wirings inside the robot is reduced, the wiring complexity is reduced, and the bandwidth for communication and anti-electromagnetic interference capabilities in the control system are improved.

First claim

What is claimed is:

1. A method based on an optical fiber communication network for controlling a robot, comprising:
converting an acquired electrical control signal of the robot to an optical control signal;
broadcasting the optical control signal over a downlink of the optical fiber communication network;
filtering the optical control signal based on a port identifier to obtain an optical control signal corresponding to the port identifier;
converting the optical control signal corresponding to the port identifier to an electrical control signal; and
sending the electrical control signal to an actuator of the robot.

2. The method according to claim 1 , wherein the converting an acquired electrical control signal of the robot to an optical control signal comprises:
modulating the electrical control signal on an optical carrier to obtain the optical control signal.

3. The method according to claim 1 , wherein the downlink of the optical fiber communication network has a frame length of 125 μs.

4. The method according to claim 1 , wherein the converting the optical control signal corresponding to the port identifier to an electrical control signal comprises:
demodulating the optical control signal to obtain the electrical control signal.

5. The method according to claim 1 , further comprising;
converting acquired sensed data to optically-sensed data;
sending the optically-sensed data over an uplink of the optical fiber communication network;
encapsulating the optically-sensed data based on predetermined timeslot configuration information to obtain an uplink optically-sensed data stream;
converting the uplink optically-sensed data stream to a sensed data stream; and
sending the sensed data stream to a control system of the robot.

6. The method according to claim 5 , wherein the converting acquired sensed data to optically-sensed data comprises:
modulating the sensed data on an optical carrier to obtain the optically-sensed data.

7. The method according to claim 5 , wherein the encapsulating the optically-sensed data based on predetermined timeslot configuration information to obtain an uplink optically-sensed data stream comprises:
encapsulating the optically-sensed data in a predetermined sequence based on an uplink bandwidth allocation field carried in the downlink to generate the uplink optically-sensed data stream.

8. The method according to claim 5 , wherein the converting the uplink optically-sensed data stream to a sensed data stream comprises:
demodulating the optically-sensed data stream to obtain the sensed data stream.

9. A non-transitory computer readable storage medium having executable programming instructions stored thereon, wherein the executable programming instructions is executable to perform the steps of:
converting an acquired electrical control signal of the robot to an optical control signal;
broadcasting the optical control signal over a downlink of the optical fiber communication network;
filtering the optical control signal based on a port identifier to obtain an optical control signal corresponding to the port identifier;
converting the optical control signal corresponding to the port identifier to an electrical control signal; and
sending the electrical control signal to an actuator of the robot.

10. The storage medium according to claim 9 , wherein the converting an acquired electrical control signal of the robot to an optical control signal comprises:
modulating the electrical control signal on an optical carrier to obtain the optical control signal.

11. The storage medium according to claim 9 , wherein the downlink of the optical fiber communication network has a frame length of 125 μs.

12. The storage medium according to claim 9 , wherein the converting the optical control signal corresponding to the port identifier to an electrical control signal comprises;
demodulating the optical control signal to obtain the electrical control signal.

13. The storage medium according to claim 9 , wherein the executable programming instructions is further executable to perform the steps of:
converting acquired sensed data to optically-sensed data;
sending the optically-sensed data over an uplink of the optical fiber communication network;
encapsulating the optically-sensed data based on predetermined timeslot configuration information to obtain an uplink optically-sensed data stream;
converting the uplink optically-sensed data stream to a sensed data stream; and
sending the sensed data stream to a control system of the robot.

14. The storage medium according to claim 13 , wherein the converting acquired sensed data to optically-sensed data comprises:
modulating the sensed data on an optical carrier to obtain the optically-sensed data.

15. The storage medium according to claim 13 , wherein the encapsulating the optically-sensed data based on predetermined timeslot configuration information to obtain an uplink optically-sensed data stream comprises:
encapsulating the optically-sensed data in a predetermined sequence based on an uplink bandwidth allocation field carried in the downlink to generate the uplink optically-sensed data stream.

16. The storage medium according to claim 13 , wherein the converting the uplink optically-sensed data stream to a sensed data stream comprises:
demodulating the optically-sensed data stream to obtain the sensed data stream.

17. An electronic device, comprising:
a processing unit; and
a storage unit, configured to store instructions executable by the processing unit;
wherein the processing unit is configured to perform the following operations by executing the executable instructions:
converting an acquired electrical control signal of the robot to an optical control signal;
broadcasting the optical control signal over a downlink of the optical fiber communication network;
filtering the optical control signal based on a port identifier to obtain an optical control signal corresponding to the port identifier;
converting the optical control signal corresponding to the port identifier to an electrical control signal; and
sending the electrical control signal to an actuator of the robot.

18. The electronic device according to claim 17 , wherein the converting an acquired electrical control signal of the robot to an optical control signal comprises:
modulating the electrical control signal on an optical carrier to obtain the optical control signal.

19. The electronic device according to claim 17 , wherein the downlink of the optical fiber communication network has a frame length of 125 μs.

20. The electronic device according to claim 17 , wherein the converting the optical control signal corresponding to the port identifier to an electrical control signal comprises:
demodulating the optical control signal to obtain the electrical controlsignal.

Assignees

• Cloudminds Shenzhen Robotics Systems Co Ltd
• Cloudminds Robotics Co Ltd

Inventors

• Huang William Xiao-Qing
• Zhang Yong
• Wei Xubin

Classifications

• B25J9/161 Primary

  Hardware, e.g. neural networks, fuzzy logic, interfaces, processor · CPC title

• B25J13/006

  by means of a wireless system for controlling one or several manipulators · CPC title

• B25J19/025

  including optical fibres · CPC title

• G08C23/06

  through light guides, e.g. optical fibres · CPC title

• H04B10/25 Primary

  Arrangements specific to fibre transmission · CPC title