Method, mobile device and computer storage medium for processing information

Patent metadata

Field	Value
Publication number	US-10222807-B2
Application number	US-201615325195-A
Country	US
Kind code	B2
Filing date	Oct 8, 2016
Priority date	Mar 31, 2016
Publication date	Mar 5, 2019
Grant date	Mar 5, 2019

Abstract

The disclosure discloses a method for processing information, comprising: collecting, at a preset frequency, location information of a target object tracked by a mobile device; extracting the piece of location information meeting a first condition from the collected pieces of location information, and saving the extracted piece of location information in a queue of target waypoints, wherein each piece of location information in the queue of target waypoints is configured to describe a target waypoint, and the pieces of location information of the target waypoints of the queue of target waypoints are arranged in the chronological order for collecting the pieces of location information; generating a corresponding control instruction according to the piece of location information of the target waypoint saved in the queue of target waypoints, wherein the control instruction is configured to control the mobile device to move towards the respective target waypoints described in the queue of target waypoints in order. The disclosure also discloses a mobile device and computer storage medium for implementing the method for processing information.

First claim

The invention claimed is:

1. A method for processing information, applied to a mobile device, comprising:
collecting, at a preset frequency, pieces of location information of a target object tracked by the mobile device, comprising:
transmitting, by the mobile device, through an Ultra Wideband (UWB) unit of the mobile device, a signal to the target object at the preset frequency;
receiving, by the mobile device, a reflected signal from a UWB beacon of the target object;
calculating, by the mobile device, a relative distance between the mobile device and the target object based on a time of flight (TOF) according to a transmission time of the signal and a reception time of the reflected signal; and
calculating, by the mobile device, a relative angle between the mobile device and the target object based on an angle of arrival (AOA) according to a transmission angle of the signal and an arrival angle of the signal reaching the target object;

extracting a piece of location information meeting a first condition from the collected pieces of location information, and saving the extracted piece of location information in a queue of target waypoints, wherein each piece of location information in the queue of target waypoints is configured to describe a target waypoint, and the pieces of location information of the target waypoints saved in the queue of target waypoints are arranged in the chronological order for collecting the pieces of location information; and
generating a corresponding control instruction according to the pieces of location information of the target waypoints saved in the queue of target waypoints, wherein the control instruction is configured to control the mobile device to move towards the respective target waypoints described in the queue of target waypoints in order.

2. The method for processing information according to claim 1 , wherein the extracting a piece of location information meeting a first condition from the collected pieces of location information and saving the extracted piece of location information in a queue of target waypoints comprises:
when a piece of location information of the target object is collected, judging whether the queue of target waypoints is null; if the queue of target waypoints is null, saving the collected piece of location information in the queue of target waypoints;
if the queue of target waypoints is not null, judging, according to the collected piece of location information and the latest location information saved in the queue of target waypoints, whether the first condition is met; when it is judged that the first condition is met, saving the collected piece of location information in the queue of target waypoints, and when it is judged that the first condition is not met, not saving the collected piece of location information in the queue of target waypoints.

3. The method for processing information according to claim 2 , wherein the judging, according to the collected piece of location information and the latest location information saved in the queue of target waypoints, whether the first condition is met comprises:
judging, according to the collected piece of location information and the latest location information saved in the queue of target waypoints, whether a distance between a target waypoint corresponding to the collected piece of location information and a target waypoint corresponding to the latest location information saved in the queue of target waypoints reaches a preset first distance threshold; wherein if the distance reaches the preset first distance threshold, it is judged that the first condition is met; if the distance fails to reach the preset first distance threshold, it is judged that the first condition is not met.

4. The method for processing information according to claim 3 , wherein the step that the pieces of location information of the target waypoints of the queue of target waypoints are arranged in the chronological order for collecting the pieces of location information comprises:
according to the chronological order for collecting the pieces of location information, arranging the collected oldest location information at an end of the queue of target waypoints and arranging the collected latest location information at a head of the queue of target waypoints, the pieces of location information being arranged from the end of the queue to the head of the queue in chronological order for collecting the pieces of the location information;
and after generating the control instruction, the method further comprises:
controlling, according to the control instruction, the mobile device to move towards the target waypoints corresponding to the respective pieces of location information from the end to the head of the queue of target waypoints in turn; and once the mobile device reaches the target waypoint corresponding to the piece of location information at the end of the queue, deleting the piece of location information at the end of the queue from the queue of target waypoints.

5. The method for processing information according to claim 2 , wherein the step that the pieces of location information of the target waypoints of the queue of target waypoints are arranged in the chronological order for collecting the pieces of location information comprises:
according to the chronological order for collecting the pieces of location information, arranging the collected oldest location information at an end of the queue of target waypoints and arranging the collected latest location information at a head of the queue of target waypoints, the pieces of location information being arranged from the end of the queue to the head of the queue in chronological order for collecting the pieces of the location information;
and after generating the control instruction, the method further comprises:
controlling, according to the control instruction, the mobile device to move towards the target waypoints corresponding to the respective pieces of location information from the end to the head of the queue of target waypoints in turn; and once the mobile device reaches the target waypoint corresponding to the piece of location information at the end of the queue, deleting the piece of location information at the end of the queue from the queue of target waypoints.

6. The method for processing information according to claim 1 , wherein the step that the pieces of location information of the target waypoints of the queue of target waypoints are arranged in the chronological order for collecting the pieces of location information comprises:
according to the chronological order for collecting the pieces of location information, arranging the collected oldest location information at an end of the queue of target waypoints and arranging the collected latest location information at a head of the queue of target waypoints, the pieces of location information being arranged from the end of the queue to the head of the queue in chronological order for collecting the pieces of the location information;
and after generating the control instruction, the method further comprises:
controlling, according to the control instruction, the mobile device to move towards the target waypoints corresponding to the respective pieces of location information from the end to the head of the queue of target waypoints in turn; and once the mobile device reaches the target waypoint corresponding to the piece of location information at the end of the queue, deleting the piece of location information at the end of the queue from the queue of target waypoints.

7. The method for processing information according to claim 6 , wherein the extracted piece of location information of the target waypoint saved in the queue of target waypoints comprise

Assignees

• Ninebot Beijing Tech Co Ltd

Inventors

• Dong Shiqian
• Wang Ye
• Pu Li

Classifications

• G05D1/02 Primary

  Control of position or course in two dimensions · CPC title

• G01C21/04

  by terrestrial means (G01C21/24, G01C21/26 take precedence) · CPC title

• H04W64/006

  with additional information processing, e.g. for direction or speed determination · CPC title

• G05D1/12 Primary

  Target-seeking control · CPC title

• H04W4/02

  Services making use of location information · CPC title