IP Library › Granted Patent US 10,325,500
Granted Patent B2
US 10,325,500 · App. 15/615,699 · Granted Jun 18, 2019

Method and apparatus for detecting blind spot of unmanned vehicle

Inventor: Xiaoyan Guo (Beijing, CN)
Assignee: Baidu Online Network Technology (Beijing) Co., Ltd
G08G1/167G01S7/4021G01S13/04G01S13/931G05D1/0238G05D1/0257B60R11/04B60R2011/0084B60Y2200/40G01S2007/403G01S2013/9332G05D1/0088
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 10,325,500
App. No.
15/615,699
Granted
Jun 18, 2019
Kind
B2
Abstract

The present disclosure discloses a method and apparatus for detecting blind zone of an unmanned vehicle. A specific embodiment of the method comprises: receiving a detection initiating request, the detection initiating request including: a position of the vertical shaft, a length of the vertical shaft and a set movement speed of the vertical shaft; detecting the vertical shaft; determining an anticipated detection time based on the position of the vertical shaft and the set movement speed; recording an actual detection time in response to detecting the vertical shaft; determining a missed detection position of the vertical shaft based on a time difference between the actual detection time and the anticipated detection time and the set movement speed, in response to confirming the actual detection time being different from the anticipated detection time; and determining a blind zone based on the length of the vertical shaft and the missed detection position.

Claims (35)

1. A method for detecting blind zone of an unmanned vehicle, the unmanned vehicle and one end of a telescopic crossbar being connected by a pivot, another end of the telescopic crossbar being connected to a telescopic vertical shaft, the telescopic vertical shaft being perpendicular to the telescopic crossbar and the ground, and the telescopic crossbar rotating about the pivot to drive the telescopic vertical shaft to move, the method comprising:

receiving a detection initiating request, the detection initiating request including: a position of the telescopic vertical shaft, a length of the telescopic vertical shaft and a set movement speed of the telescopic vertical shaft; and

performing the following detection steps: detecting the telescopic vertical shaft; determining an anticipated detection time based on the position of the telescopic vertical shaft and the set movement speed; recording an actual detection time in response to detecting the telescopic vertical shaft; determining a missed detection position of the telescopic vertical shaft based on a time difference between the actual detection time and the anticipated detection time and the set movement speed, in response to confirming the actual detection time being different from the anticipated detection time; and determining a blind zone based on the length of the telescopic vertical shaft and the missed detection position.

2. The method according to claim 1 , the method further comprising:

receiving a crossbar length change detection request, wherein the crossbar length change detection request includes a detection initiating time when a current length of the telescopic crossbar is changed, a position of the telescopic vertical shaft after the current length of the telescopic crossbar is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar is changed; and

performing the above detection steps according to the detection initiating time when the current length of the telescopic crossbar is changed.

3. The method according to claim 1 , the method further comprising:

receiving a crossbar length and vertical shaft length change detection request, wherein the crossbar length and vertical shaft length change detection request includes a detection initiating time when a current length of the telescopic crossbar and the telescopic vertical shaft is changed, a length of the telescopic vertical shaft after the current change, a position of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed; and

performing the above detection steps according to the detection initiating time when the current length of the telescopic crossbar and the telescopic vertical shaft is changed.

4. The method according to claim 2 , wherein the length of the telescopic vertical shaft is a preset minimum length of the telescopic vertical shaft.

5. The method according to claim 3 , wherein a length of the telescopic crossbar is proportional to the length of the telescopic vertical shaft.

6. An apparatus for detecting blind zone of an unmanned vehicle, the unmanned vehicle and one end of a telescopic crossbar being connected by a pivot, another end of the telescopic crossbar being connected to a telescopic vertical shaft, the telescopic vertical shaft being perpendicular to the telescopic crossbar and the ground, and the telescopic crossbar rotating about the pivot to drive the telescopic vertical shaft to move, the apparatus comprising:

at least one processor; and

a memory storing instructions, which when executed by the at least one processor, cause the at least one processor to perform operations, the operations comprising:

receiving a detection initiating request, wherein the detection initiating request includes: a position of the telescopic vertical shaft, a length of the telescopic vertical shaft and a set movement speed of the telescopic vertical shaft; and

performing the following detection steps: detecting the telescopic vertical shaft; determining an anticipated detection time based on the position of the telescopic vertical shaft and the set movement speed; recording an actual detection time in response to detecting the telescopic vertical shaft; determining a missed detection position of the telescopic vertical shaft based on a time difference between the actual detection time and the anticipated detection time and the set movement speed, in response to confirming the actual detection time being different from the anticipated detection time; and determining a blind zone based on the length of the telescopic vertical shaft and the missed detection position.

7. The apparatus according to claim 6 , the operations further comprising:

receiving a crossbar length change detection request, wherein the crossbar length change detection request includes a detection initiating time when a current length of the telescopic crossbar is changed; a position of the telescopic vertical shaft after the current length of the telescopic crossbar is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar is changed; and

performing the above detection steps according to the detection initiating time when the current length of the telescopic crossbar is changed.

8. The apparatus according to claim 6 , the operations further comprising:

receiving a crossbar length and vertical shaft length change detection request, wherein the crossbar length and vertical shaft length change detection request includes a detection initiating time when a current length of the telescopic crossbar and the telescopic vertical shaft is changed, a length of the telescopic vertical shaft after the current change, a position of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed; and

performing the above detection steps according to the detection initiating time when the current length of the telescopic crossbar and the telescopic vertical shaft is changed.

9. The apparatus according to claim 7 , wherein the length of the telescopic vertical shaft is a preset minimum length of the telescopic vertical shaft.

10. The apparatus according to claim 8 , wherein a length of the telescopic crossbar is proportional to the length of the telescopic vertical shaft.

11. A non-transitory computer storage medium storing a computer program, which when executed by one or more processors, cause the one or more processors to perform operations for detecting blind zone of an unmanned vehicle, the unmanned vehicle and one end of a telescopic crossbar being connected by a pivot, another end of the telescopic crossbar being connected to a telescopic vertical shaft the telescopic vertical shaft being perpendicular to the telescopic crossbar and the ground, and the telescopic crossbar rotating about the pivot to drive the telescopic vertical shaft to move, the operations comprising:

receiving a detection initiating request, the detection initiating request including: a position of the telescopic vertical shaft, a length of the telescopic vertical shaft and a set movement speed of the telescopic vertical shaft; and

performing the following detection steps: detecting the telescopic vertical shaft; determining an anticipated detection time based on the position of the telescopic vertical shaft and the set movement speed; recording an actual detection time in response to detecting the telescopic vertical shaft; determining a missed detection position of the telescopic vertical shaft based on a time difference between the actual detection time and the anticipated detection time and the set movement speed, in response to confirming the actual detection time being different from the anticipated detection time; and determining a blind zone based on the length of the telescopic vertical shaft and the missed detection position.

12. The non-transitory computer storage medium according to claim 11 , the operations further comprising:

receiving a crossbar length change detection request, wherein the crossbar length change detection request includes a detection initiating time when a current length of the telescopic crossbar is changed, a position of the telescopic vertical shaft after the current length of the telescopic crossbar is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar is changed; and

performing the above detection steps according to the detection initiating time when the current length of the telescopic crossbar is changed.

13. The non-transitory computer storage medium according to claim 11 , the operations further comprising:

receiving a crossbar length and vertical shaft length change detection request, wherein the crossbar length and vertical shaft length change detection request includes a detection initiating time when a current length of the telescopic crossbar and the telescopic vertical shaft is changed, a length of the telescopic vertical shaft after the current change, a position of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed and a set movement speed of the telescopic vertical shaft after the current length of the telescopic crossbar and the telescopic vertical shaft is changed; and

performing the above detection steps according to the detection initiating time when the current length of the crossbar and the vertical shaft is changed.

14. The non-transitory computer storage medium according to claim 12 , wherein the length of the telescopic vertical shaft is a preset minimum length of the telescopic vertical shaft.

15. The non-transitory computer storage medium according to claim 13 , wherein a length of the telescopic crossbar is proportional to the length of the telescopic vertical shaft.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 8, 2017
From: GUO, XIAOYAN
To: BAIDU ONLINE NETWORK TECHNOLOGY (BEIJING) CO., LTD.
Reel/Frame 042646/0753 →
Priority Claims (1)
CN 2016 1 1079840 · Nov 30, 2016 · national
Continuity (1)
Related Publication 20180151079A1 · May 31, 2018