Hyper-tube system using vehicle position detection

Patent metadata

Field	Value
Publication number	US-11525912-B2
Application number	US-201816652557-A
Country	US
Kind code	B2
Filing date	Dec 10, 2018
Priority date	May 14, 2018
Publication date	Dec 13, 2022
Grant date	Dec 13, 2022

Abstract

The present disclosure provides a hypertube system for detecting a position of a hypertube vehicle, including a hypertube vehicle, a tube configured to surround a travel path of the hypertube vehicle, At least one LiDAR sensor each mounted on an inner wall of the tube and including a laser transmitter configured to irradiate a laser beam toward the hypertube vehicle and a laser receiver configured to detect a laser, and a reflector configured to reflect the laser irradiated from the LiDAR sensor, wherein the reflector may be disposed in the hypertube vehicle, and wherein the laser beam reflected from the reflector reaches the laser receiver of the LiDAR sensor to be used in detecting the position of the hypertube vehicle.

First claim

The invention claimed is:

1. A hypertube system for detecting a position of a hypertube vehicle, comprising:
a hypertube vehicle;
a tube configured to surround a travel path of the hypertube vehicle;
a LiDAR sensor mounted on an inner wall of the tube and including a laser transmitter configured to irradiate a laser beam toward the hypertube vehicle and a laser receiver configured to detect the laser beam;
a reflector configured to reflect the laser beam irradiated from the LiDAR sensor; and
a sensor repositioning structure coupled to the LiDAR sensor and the tube, and configured to prevent the LiDAR sensor from being broken away,
wherein the laser beam reflected from the reflector reaches the laser receiver of the LiDAR sensor to be used in detecting the position of the hypertube vehicle, and
wherein the sensor repositioning structure is configured to change a placement of the LiDAR sensor according to the hypertube vehicle progressing so as to prevent contact or collision between the LiDAR sensor and the hypertube vehicle.

2. The hypertube system of claim 1 , wherein the reflector is disposed on the hypertube vehicle.

3. The hypertube system of claim 1 , further comprising:
a laser absorber disposed inside the tube to cover all or a portion of inner surfaces of the tube and configured to absorb the laser beam reflected from the reflector.

4. The hypertube system of claim 1 , wherein the LiDAR sensor comprises multiple LiDAR sensors that are disposed on the inner wall of the tube, and wherein the multiple LiDAR sensors are disposed opposite to each other about a central axis of the tube.

5. The hypertube system of claim 1 , further comprising:
an angle adjuster configured to change a travel path of the laser beam transmitted from the laser transmitter and a travel path of the laser beam reflected from the reflector.

6. The hypertube system of claim 1 , wherein the LiDAR sensor is arranged to face the reflector in a horizontal direction, and wherein a path of the laser beam transmitted from the laser transmitter to the reflector is approximately parallel to a ground plane or a heading direction of the hypertube vehicle.

7. The hypertube system of claim 6 , wherein the LiDAR sensor comprises at least one rearward LiDAR sensor situated rearward of the heading direction of the hypertube vehicle where the at least one rearward LiDAR sensor is disposed to be approximately parallel to the ground plane or the heading direction of the hypertube vehicle, and at least one forward LiDAR sensor situated in front of the heading direction of the hypertube vehicle where the at least one forward LiDAR sensor is repositioned to get out of the travel path of the hypertube vehicle.

8. A hypertube control apparatus for controlling an operation of a hypertube vehicle by detecting a position of the hypertube vehicle, the hypertube control apparatus comprising:
a superconductor electromagnet installed in the hypertube vehicle;
an air-core linear synchronous motor configured to interact with the superconductor electromagnet to regulate a movement of the hypertube vehicle;
a LiDAR sensor including a laser transmitter configured to irradiate a laser beam and a laser receiver configured to receive a reflected laser beam after reflection of the laser beam from a reflector on the hypertube vehicle;
at least one processor configured to control a direction and a speed of the hypertube vehicle based on information contained in the reflected laser beam that is received by the laser receiver,
wherein the LiDAR sensor is arranged to face the reflector in a horizontal direction, and wherein a path of the laser beam transmitted from the laser transmitter to the reflector is approximately parallel to a ground plane and a heading direction of the hypertube vehicle.

9. The hypertube control apparatus of claim 8 , wherein the information contained in the reflected laser beam comprises a travel distance and a travel time of the reflected laser beam.

10. The hypertube control apparatus of claim 8 , wherein the at least one processor is configured to control the direction and the speed of the hypertube vehicle by controlling a three-phase current flowing in the air-core linear synchronous motor.

11. A method of detecting a position of a hypertube vehicle, comprising:
performing a laser irradiation by a LiDAR sensor for irradiating a laser beam to the hypertube vehicle;
performing a laser reception by the LiDAR sensor for receiving the laser beam reflected from a reflector on the hypertube vehicle;
performing a laser information analysis comprising collecting and interpreting information contained in the laser beam received by the performing of the laser reception; and
performing a vehicle position detection comprising detecting an operational information about the hypertube vehicle from the performing of the laser information analysis,
wherein the LiDAR sensor is arranged to face the reflector in a horizontal direction, and wherein a path of the laser beam transmitted from the LiDAR sensor to the reflector is approximately parallel to a ground plane and a heading direction of the hypertube vehicle.

12. The method of claim 11 , further comprising:
performing an electric current control comprising:
determining, based on information obtained by the performing of the vehicle position detection, a current value to be applied to an air-core linear synchronous motor providing power to the hypertube vehicle so as to control an operation of the hypertube vehicle; and
applying the current value to the air-core linear synchronous motor.

13. The method of claim 11 , further comprising:
performing a vehicle operation control comprising controlling a speed and the heading direction of the hypertube vehicle based on information obtained by the performing of the vehicle position detection.

14. A hypertube system for detecting a position of a hypertube vehicle, comprising:
a hypertube vehicle;
a tube configured to surround a travel path of the hypertube vehicle;
a LiDAR sensor including a laser transmitter configured to irradiate a laser beam for detecting the position of the hypertube vehicle toward the hypertube vehicle and a laser receiver configured to detect the laser beam; and
a sensor repositioning structure coupled to the LiDAR sensor and the tube, and configured to prevent the LiDAR sensor from being broken away,
wherein the LiDAR sensor is disposed outside the tube.

15. The hypertube system of claim 14 , wherein the tube comprises:
a laser penetrator configured to pass the laser beam irradiated from the LiDAR sensor; and
a laser refractor configured to change a travel path of the laser beam.

16. The hypertube system of claim 14 , further comprising:
a cooler configured to cool the LiDAR sensor.

17. The hypertube system of claim 14 , wherein the hypertube vehicle comprises a reflector configured to reflect the laser beam irradiated from the LiDAR sensor.

18. The hypertube system of claim 17 , further comprising:
a laser absorber disposed inside the tube to cover inner surfaces of the tube and configured to absorb the laser beam reflected from the reflector.

19. The hypertube system of claim 14 , wherein a position detection of the hypertube vehicle by the LiDAR sensor is obtained in a form of obtained data from a single measurement about the laser beam received by the laser receiver.

20. The hypertube system of claim 19 , wherein multiple LiDAR sensors are disposed in adjacent regions, and wherein the obtained data is corr

Assignees

• Korea Railroad Res Institute

Inventors

• Choi Suyong
• Choi Jaeheon
• Lim Jungyoul
• Lee Changyoung
• Lee Kwansup
• Jang Yongjun
• Jo Jeongmin
• Lee Jinho
• Ok Minhwan
• Kim Jaehoon
• Kim Leehyeon

Classifications

• B60L15/20

  for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed · CPC title

• B61B13/08

  Sliding or levitation systems (vehicles with air cushions between rails and vehicles B60V3/04) · CPC title

• B60L2220/14

  Synchronous machines · CPC title

• B61B13/10 Primary

  Tunnel systems (pneumatic tubes conveyors B65G {; B61C15/045 takes precedence}) · CPC title

• B61L25/02

  Indicating or recording positions or identities of vehicles or trains · CPC title